Influence of gellant and drag-reducing agent on the ignition characteristics of typical liquid hydrocarbon fuels
This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexen...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Glushkov, D.O. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Schlagwörter: |
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| Umfang: |
14 |
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| Übergeordnetes Werk: |
Enthalten in: Sa1204 Does Intravenous Toradol Lower the Risk for Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis? - Al-Hamid, Hussein ELSEVIER, 2016, journal of the International Academy of Astronautics, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:177 ; year:2020 ; pages:66-79 ; extent:14 |
| Links: |
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| DOI / URN: |
10.1016/j.actaastro.2020.07.018 |
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| Katalog-ID: |
ELV052398439 |
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| 245 | 1 | 0 | |a Influence of gellant and drag-reducing agent on the ignition characteristics of typical liquid hydrocarbon fuels |
| 264 | 1 | |c 2020transfer abstract | |
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| 520 | |a This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. | ||
| 520 | |a This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. | ||
| 650 | 7 | |a Polyhexene |2 Elsevier | |
| 650 | 7 | |a Diesel fuel |2 Elsevier | |
| 650 | 7 | |a Fumed silica |2 Elsevier | |
| 650 | 7 | |a Kerosene |2 Elsevier | |
| 650 | 7 | |a Ignition |2 Elsevier | |
| 650 | 7 | |a Gel fuel |2 Elsevier | |
| 700 | 1 | |a Kuznetsov, G.V. |4 oth | |
| 700 | 1 | |a Nigay, A.G. |4 oth | |
| 700 | 1 | |a Yanovsky, V.A. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Al-Hamid, Hussein ELSEVIER |t Sa1204 Does Intravenous Toradol Lower the Risk for Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis? |d 2016 |d journal of the International Academy of Astronautics |g Amsterdam [u.a.] |w (DE-627)ELV014615371 |
| 773 | 1 | 8 | |g volume:177 |g year:2020 |g pages:66-79 |g extent:14 |
| 856 | 4 | 0 | |u https://doi.org/10.1016/j.actaastro.2020.07.018 |3 Volltext |
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10.1016/j.actaastro.2020.07.018 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001230.pica (DE-627)ELV052398439 (ELSEVIER)S0094-5765(20)30436-7 DE-627 ger DE-627 rakwb eng 610 VZ 600 670 VZ 51.00 bkl Glushkov, D.O. verfasserin aut Influence of gellant and drag-reducing agent on the ignition characteristics of typical liquid hydrocarbon fuels 2020transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. Polyhexene Elsevier Diesel fuel Elsevier Fumed silica Elsevier Kerosene Elsevier Ignition Elsevier Gel fuel Elsevier Kuznetsov, G.V. oth Nigay, A.G. oth Yanovsky, V.A. oth Enthalten in Elsevier Science Al-Hamid, Hussein ELSEVIER Sa1204 Does Intravenous Toradol Lower the Risk for Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis? 2016 journal of the International Academy of Astronautics Amsterdam [u.a.] (DE-627)ELV014615371 volume:177 year:2020 pages:66-79 extent:14 https://doi.org/10.1016/j.actaastro.2020.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_40 GBV_ILN_105 GBV_ILN_2021 51.00 Werkstoffkunde: Allgemeines VZ AR 177 2020 66-79 14 |
| spelling |
10.1016/j.actaastro.2020.07.018 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001230.pica (DE-627)ELV052398439 (ELSEVIER)S0094-5765(20)30436-7 DE-627 ger DE-627 rakwb eng 610 VZ 600 670 VZ 51.00 bkl Glushkov, D.O. verfasserin aut Influence of gellant and drag-reducing agent on the ignition characteristics of typical liquid hydrocarbon fuels 2020transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. Polyhexene Elsevier Diesel fuel Elsevier Fumed silica Elsevier Kerosene Elsevier Ignition Elsevier Gel fuel Elsevier Kuznetsov, G.V. oth Nigay, A.G. oth Yanovsky, V.A. oth Enthalten in Elsevier Science Al-Hamid, Hussein ELSEVIER Sa1204 Does Intravenous Toradol Lower the Risk for Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis? 2016 journal of the International Academy of Astronautics Amsterdam [u.a.] (DE-627)ELV014615371 volume:177 year:2020 pages:66-79 extent:14 https://doi.org/10.1016/j.actaastro.2020.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_40 GBV_ILN_105 GBV_ILN_2021 51.00 Werkstoffkunde: Allgemeines VZ AR 177 2020 66-79 14 |
| allfields_unstemmed |
10.1016/j.actaastro.2020.07.018 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001230.pica (DE-627)ELV052398439 (ELSEVIER)S0094-5765(20)30436-7 DE-627 ger DE-627 rakwb eng 610 VZ 600 670 VZ 51.00 bkl Glushkov, D.O. verfasserin aut Influence of gellant and drag-reducing agent on the ignition characteristics of typical liquid hydrocarbon fuels 2020transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. Polyhexene Elsevier Diesel fuel Elsevier Fumed silica Elsevier Kerosene Elsevier Ignition Elsevier Gel fuel Elsevier Kuznetsov, G.V. oth Nigay, A.G. oth Yanovsky, V.A. oth Enthalten in Elsevier Science Al-Hamid, Hussein ELSEVIER Sa1204 Does Intravenous Toradol Lower the Risk for Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis? 2016 journal of the International Academy of Astronautics Amsterdam [u.a.] (DE-627)ELV014615371 volume:177 year:2020 pages:66-79 extent:14 https://doi.org/10.1016/j.actaastro.2020.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_40 GBV_ILN_105 GBV_ILN_2021 51.00 Werkstoffkunde: Allgemeines VZ AR 177 2020 66-79 14 |
| allfieldsGer |
10.1016/j.actaastro.2020.07.018 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001230.pica (DE-627)ELV052398439 (ELSEVIER)S0094-5765(20)30436-7 DE-627 ger DE-627 rakwb eng 610 VZ 600 670 VZ 51.00 bkl Glushkov, D.O. verfasserin aut Influence of gellant and drag-reducing agent on the ignition characteristics of typical liquid hydrocarbon fuels 2020transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. Polyhexene Elsevier Diesel fuel Elsevier Fumed silica Elsevier Kerosene Elsevier Ignition Elsevier Gel fuel Elsevier Kuznetsov, G.V. oth Nigay, A.G. oth Yanovsky, V.A. oth Enthalten in Elsevier Science Al-Hamid, Hussein ELSEVIER Sa1204 Does Intravenous Toradol Lower the Risk for Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis? 2016 journal of the International Academy of Astronautics Amsterdam [u.a.] (DE-627)ELV014615371 volume:177 year:2020 pages:66-79 extent:14 https://doi.org/10.1016/j.actaastro.2020.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_40 GBV_ILN_105 GBV_ILN_2021 51.00 Werkstoffkunde: Allgemeines VZ AR 177 2020 66-79 14 |
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The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. Polyhexene Elsevier Diesel fuel Elsevier Fumed silica Elsevier Kerosene Elsevier Ignition Elsevier Gel fuel Elsevier Kuznetsov, G.V. oth Nigay, A.G. oth Yanovsky, V.A. oth Enthalten in Elsevier Science Al-Hamid, Hussein ELSEVIER Sa1204 Does Intravenous Toradol Lower the Risk for Post- Endoscopic Retrograde Cholangiopancreatography Pancreatitis? 2016 journal of the International Academy of Astronautics Amsterdam [u.a.] (DE-627)ELV014615371 volume:177 year:2020 pages:66-79 extent:14 https://doi.org/10.1016/j.actaastro.2020.07.018 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_40 GBV_ILN_105 GBV_ILN_2021 51.00 Werkstoffkunde: Allgemeines VZ AR 177 2020 66-79 14 |
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Influence of gellant and drag-reducing agent on the ignition characteristics of typical liquid hydrocarbon fuels |
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This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. |
| abstractGer |
This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. |
| abstract_unstemmed |
This experimental research studies the ignition of fuel particles (droplets) in a high-temperature air medium. Two groups of fuel compositions are considered: the first one is based on kerosene, the second one is based on diesel fuel, with gellant (silicon dioxide) and drag-reducing agent (polyhexene) added to them, respectively. The following compositions were used: K-100 (100% kerosene), K-99 (1 wt% silicon dioxide), K-95 (5 wt% silicon dioxide), K-90 (10 wt% silicon dioxide), K-85 (15 wt% silicon dioxide), D-100 (100% diesel fuel), D-FTA (0.04 wt% ForeFTA drag-reducing agent according to TU 2458-002-10022,712-2015), and D-FTA02 (0.04 wt% ForeFTA-02 drag-reducing agent according to TU 20.59.42-015-10022,712-2018). Fuels K-100, D-100, D-FTA, and D-FTA02 behave like Newtonian fluids with constant viscosity vs. shear rate. Kerosene gels K-99 and K-95 behave like non-Newtonian fluids, exhibiting a shear-thinning property, and decrease in viscosity with an increase in the shear rate. Kerosene gels K-90 and K-85 are incapable of flowing and appear to be “solids”. Single fuel particles (droplets) were ignited in a heated air medium at temperatures 873–1273 K. Using a system of high-speed video recording, we established that at various initial temperatures of the compositions, different in the concentrations and appearance of fuel components, an identical set of physical and chemical processes occurs during the induction period, whose duration corresponds to the ignition delay time. These are roughly the same as the processes, occurring when liquid fuels are ignited in a normal state (without gellants or agents). The lowest temperature of heated air, at which fuel compositions are ignited, is 873 K. This value can be notionally referred to as the auto-ignition temperature of fuel when conducting the experiments under the said conditions. The ignition delay times for K-100 and K-99 droplets are identical, whereas for K-95, K-90, and K-85, they are 10–30% longer than the induction period for liquid fuel droplets in a normal state. Compositions based on diesel fuel with 0.04% of drag-reducing agent feature puffing of droplets, when heated, though this process does not affect ignition delay times as the main process characteristic. |
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| title_short |
Influence of gellant and drag-reducing agent on the ignition characteristics of typical liquid hydrocarbon fuels |
| url |
https://doi.org/10.1016/j.actaastro.2020.07.018 |
| remote_bool |
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| author2 |
Kuznetsov, G.V. Nigay, A.G. Yanovsky, V.A. |
| author2Str |
Kuznetsov, G.V. Nigay, A.G. Yanovsky, V.A. |
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| doi_str |
10.1016/j.actaastro.2020.07.018 |
| up_date |
2024-07-06T22:55:08.345Z |
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