Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement
The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated usin...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Afroz, Farhana [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2013transfer abstract |
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| Umfang: |
13 |
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| Übergeordnetes Werk: |
Enthalten in: 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS - 2011, IJTS, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:74 ; year:2013 ; pages:1-13 ; extent:13 |
| Links: |
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| DOI / URN: |
10.1016/j.ijthermalsci.2013.07.004 |
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| Katalog-ID: |
ELV039027945 |
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| 245 | 1 | 0 | |a Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement |
| 264 | 1 | |c 2013transfer abstract | |
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| 520 | |a The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. | ||
| 520 | |a The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. | ||
| 650 | 7 | |a Turbulent flow |2 Elsevier | |
| 650 | 7 | |a SST k–ω model |2 Elsevier | |
| 650 | 7 | |a Twin oblique jet impingement |2 Elsevier | |
| 650 | 7 | |a Jet impingement heat transfer |2 Elsevier | |
| 650 | 7 | |a Flat surface impingement |2 Elsevier | |
| 650 | 7 | |a RNG k–ε model |2 Elsevier | |
| 700 | 1 | |a Sharif, M.A.R. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |t 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS |d 2011 |d IJTS |g Amsterdam [u.a.] |w (DE-627)ELV015685845 |
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10.1016/j.ijthermalsci.2013.07.004 doi GBVA2013018000015.pica (DE-627)ELV039027945 (ELSEVIER)S1290-0729(13)00161-0 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Afroz, Farhana verfasserin aut Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement 2013transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. Turbulent flow Elsevier SST k–ω model Elsevier Twin oblique jet impingement Elsevier Jet impingement heat transfer Elsevier Flat surface impingement Elsevier RNG k–ε model Elsevier Sharif, M.A.R. oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:74 year:2013 pages:1-13 extent:13 https://doi.org/10.1016/j.ijthermalsci.2013.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 74 2013 1-13 13 045F 530 |
| spelling |
10.1016/j.ijthermalsci.2013.07.004 doi GBVA2013018000015.pica (DE-627)ELV039027945 (ELSEVIER)S1290-0729(13)00161-0 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Afroz, Farhana verfasserin aut Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement 2013transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. Turbulent flow Elsevier SST k–ω model Elsevier Twin oblique jet impingement Elsevier Jet impingement heat transfer Elsevier Flat surface impingement Elsevier RNG k–ε model Elsevier Sharif, M.A.R. oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:74 year:2013 pages:1-13 extent:13 https://doi.org/10.1016/j.ijthermalsci.2013.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 74 2013 1-13 13 045F 530 |
| allfields_unstemmed |
10.1016/j.ijthermalsci.2013.07.004 doi GBVA2013018000015.pica (DE-627)ELV039027945 (ELSEVIER)S1290-0729(13)00161-0 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Afroz, Farhana verfasserin aut Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement 2013transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. Turbulent flow Elsevier SST k–ω model Elsevier Twin oblique jet impingement Elsevier Jet impingement heat transfer Elsevier Flat surface impingement Elsevier RNG k–ε model Elsevier Sharif, M.A.R. oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:74 year:2013 pages:1-13 extent:13 https://doi.org/10.1016/j.ijthermalsci.2013.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 74 2013 1-13 13 045F 530 |
| allfieldsGer |
10.1016/j.ijthermalsci.2013.07.004 doi GBVA2013018000015.pica (DE-627)ELV039027945 (ELSEVIER)S1290-0729(13)00161-0 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Afroz, Farhana verfasserin aut Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement 2013transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. Turbulent flow Elsevier SST k–ω model Elsevier Twin oblique jet impingement Elsevier Jet impingement heat transfer Elsevier Flat surface impingement Elsevier RNG k–ε model Elsevier Sharif, M.A.R. oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:74 year:2013 pages:1-13 extent:13 https://doi.org/10.1016/j.ijthermalsci.2013.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 74 2013 1-13 13 045F 530 |
| allfieldsSound |
10.1016/j.ijthermalsci.2013.07.004 doi GBVA2013018000015.pica (DE-627)ELV039027945 (ELSEVIER)S1290-0729(13)00161-0 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Afroz, Farhana verfasserin aut Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement 2013transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. Turbulent flow Elsevier SST k–ω model Elsevier Twin oblique jet impingement Elsevier Jet impingement heat transfer Elsevier Flat surface impingement Elsevier RNG k–ε model Elsevier Sharif, M.A.R. oth Enthalten in Elsevier Science 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS 2011 IJTS Amsterdam [u.a.] (DE-627)ELV015685845 volume:74 year:2013 pages:1-13 extent:13 https://doi.org/10.1016/j.ijthermalsci.2013.07.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 74 2013 1-13 13 045F 530 |
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Enthalten in 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS Amsterdam [u.a.] volume:74 year:2013 pages:1-13 extent:13 |
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Enthalten in 4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS Amsterdam [u.a.] volume:74 year:2013 pages:1-13 extent:13 |
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Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement |
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4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS |
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numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement |
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Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement |
| abstract |
The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. |
| abstractGer |
The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. |
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The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance. |
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Numerical study of heat transfer from an isothermally heated flat surface due to turbulent twin oblique confined slot-jet impingement |
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Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">The heat transfer from an isothermally heated flat surface due to two-dimensional turbulent twin oblique confined slot-jet impingement is studied numerically using the ANSYS FLUENT commercial code. Initially the flow and thermal fields for a normal confined slot-jet impingement are investigated using the RNG k–ε model and the SST k–ω model, and their performance is evaluated against experimental data. The local Nusselt number distribution predicted by the SST k–ω model agrees notably better with the existing experimental data. Subsequently, the SST k–ω model is employed to study the twin oblique impinging jet heat transfer problem. Systematic parametric study is conducted by varying the jet exit Reynolds number (Re = 23,000 and 50,000), the jet-to-jet separation distance (L = 0, 2, and 4), the jet exit to the target plate distance (H = 2.6, 4, and 6), and the inclination angle of the jet to the impingement surface (45° ≤ φ ≤ 90°). Results indicate that, as the impingement angle is reduced from 90° (normal impingement), the peak Nusselt number at the impingement surface is gradually reduced and its location slightly shifts away from the jet axis with a corresponding slight decrease of the average Nusselt number for any combination of Re, L, and H. The average Nusselt number is a strong direct function of the Reynolds number and the impingement angle whereas it is a weak inverse function of the jet to target plate separation distance.</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Turbulent flow</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">SST k–ω model</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Twin oblique jet impingement</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Jet impingement heat transfer</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Flat surface impingement</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">RNG k–ε model</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sharif, M.A.R.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Elsevier Science</subfield><subfield code="t">4 ONCE DAILY ALISPORIVIR (DEB025) PLUS PEGIFNALFA2A/RIBAVIRIN RESULTS IN SUPERIOR SUSTAINED VIROLOGIC RESPONSE (SVR24) IN CHRONIC HEPATITIS C GENOTYPE 1 TREATMENT NAIVE PATIENTS</subfield><subfield code="d">2011</subfield><subfield code="d">IJTS</subfield><subfield code="g">Amsterdam [u.a.]</subfield><subfield code="w">(DE-627)ELV015685845</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:74</subfield><subfield code="g">year:2013</subfield><subfield code="g">pages:1-13</subfield><subfield code="g">extent:13</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.ijthermalsci.2013.07.004</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">44.44</subfield><subfield code="j">Parasitologie</subfield><subfield code="x">Medizin</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">74</subfield><subfield code="j">2013</subfield><subfield code="h">1-13</subfield><subfield code="g">13</subfield></datafield><datafield tag="953" ind1=" " ind2=" "><subfield code="2">045F</subfield><subfield code="a">530</subfield></datafield></record></collection>
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