Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects
Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D)...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Li, Weihong [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017transfer abstract |
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| Umfang: |
14 |
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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:121 ; year:2017 ; pages:410-423 ; extent:14 |
| Links: |
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| DOI / URN: |
10.1016/j.ijthermalsci.2017.08.001 |
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| Katalog-ID: |
ELV036067644 |
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| 245 | 1 | 0 | |a Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects |
| 264 | 1 | |c 2017transfer abstract | |
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| 520 | |a Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. | ||
| 520 | |a Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. | ||
| 700 | 1 | |a Li, Xueying |4 oth | |
| 700 | 1 | |a Ren, Jing |4 oth | |
| 700 | 1 | |a Jiang, Hongde |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.2017.08.001 doi GBVA2017018000010.pica (DE-627)ELV036067644 (ELSEVIER)S1290-0729(17)30606-3 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Li, Weihong verfasserin aut Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects 2017transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Li, Xueying oth Ren, Jing oth Jiang, Hongde 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:121 year:2017 pages:410-423 extent:14 https://doi.org/10.1016/j.ijthermalsci.2017.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 121 2017 410-423 14 045F 530 |
| spelling |
10.1016/j.ijthermalsci.2017.08.001 doi GBVA2017018000010.pica (DE-627)ELV036067644 (ELSEVIER)S1290-0729(17)30606-3 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Li, Weihong verfasserin aut Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects 2017transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Li, Xueying oth Ren, Jing oth Jiang, Hongde 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:121 year:2017 pages:410-423 extent:14 https://doi.org/10.1016/j.ijthermalsci.2017.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 121 2017 410-423 14 045F 530 |
| allfields_unstemmed |
10.1016/j.ijthermalsci.2017.08.001 doi GBVA2017018000010.pica (DE-627)ELV036067644 (ELSEVIER)S1290-0729(17)30606-3 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Li, Weihong verfasserin aut Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects 2017transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Li, Xueying oth Ren, Jing oth Jiang, Hongde 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:121 year:2017 pages:410-423 extent:14 https://doi.org/10.1016/j.ijthermalsci.2017.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 121 2017 410-423 14 045F 530 |
| allfieldsGer |
10.1016/j.ijthermalsci.2017.08.001 doi GBVA2017018000010.pica (DE-627)ELV036067644 (ELSEVIER)S1290-0729(17)30606-3 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Li, Weihong verfasserin aut Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects 2017transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Li, Xueying oth Ren, Jing oth Jiang, Hongde 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:121 year:2017 pages:410-423 extent:14 https://doi.org/10.1016/j.ijthermalsci.2017.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 121 2017 410-423 14 045F 530 |
| allfieldsSound |
10.1016/j.ijthermalsci.2017.08.001 doi GBVA2017018000010.pica (DE-627)ELV036067644 (ELSEVIER)S1290-0729(17)30606-3 DE-627 ger DE-627 rakwb eng 530 620 530 DE-600 620 DE-600 610 VZ 610 VZ 44.44 bkl Li, Weihong verfasserin aut Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects 2017transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. Li, Xueying oth Ren, Jing oth Jiang, Hongde 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:121 year:2017 pages:410-423 extent:14 https://doi.org/10.1016/j.ijthermalsci.2017.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.44 Parasitologie Medizin VZ AR 121 2017 410-423 14 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:121 year:2017 pages:410-423 extent:14 |
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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:121 year:2017 pages:410-423 extent:14 |
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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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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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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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large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects |
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Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects |
| abstract |
Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. |
| abstractGer |
Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. |
| abstract_unstemmed |
Compound angle hole film cooling with varying length-to-diameter ratio and internal crossflow orientations is investigated by large eddy simulation (LES). The film density ratio is 1.5, and the blowing ratio ranges from 0.4 to 1.2. The compound angle of 45° and three length-to-diameter ratios (L/D) from 0.5 to 5 are chosen for the simulations. In addition to the vertical inflow through the plenum, internal crossflow orientations that are perpendicular to and parallel to the mainstream flow are investigated. The prediction accuracy is validated by the reported hydrodynamic data and present film effectiveness data measured by pressure sensitive paint (PSP). Results show that compound angle hole film effectiveness generally shows a decreasing trend as length-to-diameter ratio increases, which is contrary to the cylindrical hole. This is associated with the fact that length-to-diameter ratio influences the in-tube flow behavior, formation of Kelvin-Helmholtz (K-H) structures, and development of single asymmetric main vortex (SAMV). The internal crossflow orientation is demonstrated to have a significant effect on the in-tube flow behavior and the film cooling effectiveness. The perpendicular-counter flow and parallel-inline flow cases are found to provide more uniform hole exit velocity distributions than other internal crossflow orientations and vertical inflow case. Also found is that uniform hole exit velocity distribution provides favorable influence on the film effectiveness. |
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Large eddy simulation of compound angle hole film cooling with hole length-to-diameter ratio and internal crossflow orientation effects |
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