Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method
The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation,...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ma, Qiao [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2018transfer abstract |
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| Umfang: |
12 |
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| Übergeordnetes Werk: |
Enthalten in: Role of sulfur in combating arsenic stress through upregulation of important proteins, and - Amna, Syeda ELSEVIER, 2020, an international journal on the science and technology of wet and dry particulate systems, Amsterdam [u.a.] |
|---|---|
| Übergeordnetes Werk: |
volume:338 ; year:2018 ; pages:446-457 ; extent:12 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.powtec.2018.07.012 |
|---|
| Katalog-ID: |
ELV043895034 |
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| 520 | |a The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. | ||
| 520 | |a The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. | ||
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10.1016/j.powtec.2018.07.012 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001012.pica (DE-627)ELV043895034 (ELSEVIER)S0032-5910(18)30506-0 DE-627 ger DE-627 rakwb eng 630 640 580 VZ BIODIV DE-30 fid 42.00 bkl Ma, Qiao verfasserin aut Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method 2018transfer abstract 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. Lei, Fulin oth Xiao, Yunhan oth Enthalten in Elsevier Science Amna, Syeda ELSEVIER Role of sulfur in combating arsenic stress through upregulation of important proteins, and 2020 an international journal on the science and technology of wet and dry particulate systems Amsterdam [u.a.] (DE-627)ELV005093252 volume:338 year:2018 pages:446-457 extent:12 https://doi.org/10.1016/j.powtec.2018.07.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV 42.00 Biologie: Allgemeines VZ AR 338 2018 446-457 12 |
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10.1016/j.powtec.2018.07.012 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001012.pica (DE-627)ELV043895034 (ELSEVIER)S0032-5910(18)30506-0 DE-627 ger DE-627 rakwb eng 630 640 580 VZ BIODIV DE-30 fid 42.00 bkl Ma, Qiao verfasserin aut Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method 2018transfer abstract 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. Lei, Fulin oth Xiao, Yunhan oth Enthalten in Elsevier Science Amna, Syeda ELSEVIER Role of sulfur in combating arsenic stress through upregulation of important proteins, and 2020 an international journal on the science and technology of wet and dry particulate systems Amsterdam [u.a.] (DE-627)ELV005093252 volume:338 year:2018 pages:446-457 extent:12 https://doi.org/10.1016/j.powtec.2018.07.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV 42.00 Biologie: Allgemeines VZ AR 338 2018 446-457 12 |
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10.1016/j.powtec.2018.07.012 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001012.pica (DE-627)ELV043895034 (ELSEVIER)S0032-5910(18)30506-0 DE-627 ger DE-627 rakwb eng 630 640 580 VZ BIODIV DE-30 fid 42.00 bkl Ma, Qiao verfasserin aut Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method 2018transfer abstract 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. Lei, Fulin oth Xiao, Yunhan oth Enthalten in Elsevier Science Amna, Syeda ELSEVIER Role of sulfur in combating arsenic stress through upregulation of important proteins, and 2020 an international journal on the science and technology of wet and dry particulate systems Amsterdam [u.a.] (DE-627)ELV005093252 volume:338 year:2018 pages:446-457 extent:12 https://doi.org/10.1016/j.powtec.2018.07.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV 42.00 Biologie: Allgemeines VZ AR 338 2018 446-457 12 |
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10.1016/j.powtec.2018.07.012 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001012.pica (DE-627)ELV043895034 (ELSEVIER)S0032-5910(18)30506-0 DE-627 ger DE-627 rakwb eng 630 640 580 VZ BIODIV DE-30 fid 42.00 bkl Ma, Qiao verfasserin aut Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method 2018transfer abstract 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. Lei, Fulin oth Xiao, Yunhan oth Enthalten in Elsevier Science Amna, Syeda ELSEVIER Role of sulfur in combating arsenic stress through upregulation of important proteins, and 2020 an international journal on the science and technology of wet and dry particulate systems Amsterdam [u.a.] (DE-627)ELV005093252 volume:338 year:2018 pages:446-457 extent:12 https://doi.org/10.1016/j.powtec.2018.07.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV 42.00 Biologie: Allgemeines VZ AR 338 2018 446-457 12 |
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10.1016/j.powtec.2018.07.012 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001012.pica (DE-627)ELV043895034 (ELSEVIER)S0032-5910(18)30506-0 DE-627 ger DE-627 rakwb eng 630 640 580 VZ BIODIV DE-30 fid 42.00 bkl Ma, Qiao verfasserin aut Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method 2018transfer abstract 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. Lei, Fulin oth Xiao, Yunhan oth Enthalten in Elsevier Science Amna, Syeda ELSEVIER Role of sulfur in combating arsenic stress through upregulation of important proteins, and 2020 an international journal on the science and technology of wet and dry particulate systems Amsterdam [u.a.] (DE-627)ELV005093252 volume:338 year:2018 pages:446-457 extent:12 https://doi.org/10.1016/j.powtec.2018.07.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV 42.00 Biologie: Allgemeines VZ AR 338 2018 446-457 12 |
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Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method |
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Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method |
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Role of sulfur in combating arsenic stress through upregulation of important proteins, and |
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numerical analysis of operating conditions for establishing high-density circulating fluidized bed by cpfd method |
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Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method |
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The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. |
| abstractGer |
The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. |
| abstract_unstemmed |
The effects of operating conditions on the gas-solid hydrodynamics in a high-density CFB are numerically studied using the computational particle fluid dynamics approach. With the increase of standpipe bottom aeration rate, the solids circulation rate increases within the range of stable operation, while the packed bed height in the standpipe decreases. The same tendency is found for the standpipe aeration rate, however, it is more efficient than the bottom aeration rate to increase solids flux. With the increase of the solids inventory, the solids flux shows a parabolic relation with it, however, the standpipe pressure drop increases almost linearly under the fixed aeration conditions. The riser flowrate has only small effect on solids circulation behavior. The aeration distribution in the valve has little influence on solids flux, however, it affects significantly the valve pressure drop and transient flow behavior. The number of aeration ports on the standpipe does not influence solids flux much, but it affects the hydrodynamics stability of the standpipe. |
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Numerical analysis of operating conditions for establishing high-density circulating fluidized bed by CPFD method |
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