Comparative investigation of strut cavity and wall cavity in supersonic flows
Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Dhankarghare, A.A. [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
|---|
| Übergeordnetes Werk: |
Enthalten in: Mo1474 The Role of EUS Examination and EUS-Guided Fine Needle Aspiration Biopsy for Evaluation of Gastric Subepithelial Lesions: a Large Single Center Experience - Baysal, Birol ELSEVIER, 2015, Amsterdam [u.a.] |
|---|---|
| Übergeordnetes Werk: |
volume:124 ; year:2022 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.ast.2022.107520 |
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ELV057568383 |
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| 245 | 1 | 0 | |a Comparative investigation of strut cavity and wall cavity in supersonic flows |
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| 520 | |a Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. | ||
| 520 | |a Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. | ||
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10.1016/j.ast.2022.107520 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001787.pica (DE-627)ELV057568383 (ELSEVIER)S1270-9638(22)00194-8 DE-627 ger DE-627 rakwb eng 610 VZ 600 670 VZ 51.00 bkl Dhankarghare, A.A. verfasserin aut Comparative investigation of strut cavity and wall cavity in supersonic flows 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. Jayachandran, T. oth Muruganandam, T.M. oth Enthalten in Elsevier Science Baysal, Birol ELSEVIER Mo1474 The Role of EUS Examination and EUS-Guided Fine Needle Aspiration Biopsy for Evaluation of Gastric Subepithelial Lesions: a Large Single Center Experience 2015 Amsterdam [u.a.] (DE-627)ELV013466232 volume:124 year:2022 pages:0 https://doi.org/10.1016/j.ast.2022.107520 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_40 51.00 Werkstoffkunde: Allgemeines VZ AR 124 2022 0 |
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10.1016/j.ast.2022.107520 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001787.pica (DE-627)ELV057568383 (ELSEVIER)S1270-9638(22)00194-8 DE-627 ger DE-627 rakwb eng 610 VZ 600 670 VZ 51.00 bkl Dhankarghare, A.A. verfasserin aut Comparative investigation of strut cavity and wall cavity in supersonic flows 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. Jayachandran, T. oth Muruganandam, T.M. oth Enthalten in Elsevier Science Baysal, Birol ELSEVIER Mo1474 The Role of EUS Examination and EUS-Guided Fine Needle Aspiration Biopsy for Evaluation of Gastric Subepithelial Lesions: a Large Single Center Experience 2015 Amsterdam [u.a.] (DE-627)ELV013466232 volume:124 year:2022 pages:0 https://doi.org/10.1016/j.ast.2022.107520 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_40 51.00 Werkstoffkunde: Allgemeines VZ AR 124 2022 0 |
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10.1016/j.ast.2022.107520 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001787.pica (DE-627)ELV057568383 (ELSEVIER)S1270-9638(22)00194-8 DE-627 ger DE-627 rakwb eng 610 VZ 600 670 VZ 51.00 bkl Dhankarghare, A.A. verfasserin aut Comparative investigation of strut cavity and wall cavity in supersonic flows 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. Jayachandran, T. oth Muruganandam, T.M. oth Enthalten in Elsevier Science Baysal, Birol ELSEVIER Mo1474 The Role of EUS Examination and EUS-Guided Fine Needle Aspiration Biopsy for Evaluation of Gastric Subepithelial Lesions: a Large Single Center Experience 2015 Amsterdam [u.a.] (DE-627)ELV013466232 volume:124 year:2022 pages:0 https://doi.org/10.1016/j.ast.2022.107520 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_40 51.00 Werkstoffkunde: Allgemeines VZ AR 124 2022 0 |
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Mo1474 The Role of EUS Examination and EUS-Guided Fine Needle Aspiration Biopsy for Evaluation of Gastric Subepithelial Lesions: a Large Single Center Experience |
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Comparative investigation of strut cavity and wall cavity in supersonic flows |
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Comparative investigation of strut cavity and wall cavity in supersonic flows |
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Dhankarghare, A.A. |
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Mo1474 The Role of EUS Examination and EUS-Guided Fine Needle Aspiration Biopsy for Evaluation of Gastric Subepithelial Lesions: a Large Single Center Experience |
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Mo1474 The Role of EUS Examination and EUS-Guided Fine Needle Aspiration Biopsy for Evaluation of Gastric Subepithelial Lesions: a Large Single Center Experience |
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comparative investigation of strut cavity and wall cavity in supersonic flows |
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Comparative investigation of strut cavity and wall cavity in supersonic flows |
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Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. |
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Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. |
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Cavities have been extensively studied as flame holding devices for scramjets. Wall cavities are known to have issues of fuel nonuniformity and flame close to the wall. Although strut offers an option to deliver fuel in the core flow, it lacks the mixing efficiency provided by the cavity. This work attempts to combine a strut and a cavity into a strut cavity and compare it with the wall cavity for different Mach numbers and aspect ratios, using numerical simulations. Flow features, vortex movement, and oscillation behavior are investigated and compared. Both cavities exhibited oscillations for lower values of Mach numbers and aspect ratios, while oscillations were found to decrease for high values. The wall cavity showed a higher propensity to oscillations compared to the strut cavity. The process regarding the generation of the waves inside the cavity has been revisited. Both the unstable shear layer and the vortex shedding contribute to the generation of the waves inside the cavity. This merges the previous two theories on the wave generation inside the cavity in the supersonic flows. |
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Comparative investigation of strut cavity and wall cavity in supersonic flows |
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Jayachandran, T. Muruganandam, T.M. |
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