Analysis of entrainment in a sudden-expansion channel with wall mass transfer

Jing Tang Yang; Shih Chao Lee; Yei Chin Chao

doi:10.2514/2.6136

Analysis of entrainment in a sudden-expansion channel with wall mass transfer

Jing Tang Yang, Shih Chao Lee, Yei Chin Chao

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The effects of lateral injection rate on the inlet mainstream that deflects the reattachment point upstream were investigated with special focus on the intimately relation between the maximal reverse rate and the entrainment fluid. The analysis revealed that the enhancement of blowing rate suppresses apparently the strongest reversal strength because of the enlargement of the corner eddy and the lift of the main recirculating bubble from the porous wall. For the case without injection, about 15.63% of the new shear layer was deflected upstream the reattachment point, whereas approximately 12.5 and 7.5% of the new shear layer were deflected upstream for the flow fields B and C.

Original language	English
Pages (from-to)	514-516
Number of pages	3
Journal	Journal of Propulsion and Power
Volume	19
Issue number	3
DOIs	https://doi.org/10.2514/2.6136
Publication status	Published - 2003

All Science Journal Classification (ASJC) codes

Aerospace Engineering
Fuel Technology
Mechanical Engineering
Space and Planetary Science

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10.2514/2.6136

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abstract = "The effects of lateral injection rate on the inlet mainstream that deflects the reattachment point upstream were investigated with special focus on the intimately relation between the maximal reverse rate and the entrainment fluid. The analysis revealed that the enhancement of blowing rate suppresses apparently the strongest reversal strength because of the enlargement of the corner eddy and the lift of the main recirculating bubble from the porous wall. For the case without injection, about 15.63% of the new shear layer was deflected upstream the reattachment point, whereas approximately 12.5 and 7.5% of the new shear layer were deflected upstream for the flow fields B and C.",

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AB - The effects of lateral injection rate on the inlet mainstream that deflects the reattachment point upstream were investigated with special focus on the intimately relation between the maximal reverse rate and the entrainment fluid. The analysis revealed that the enhancement of blowing rate suppresses apparently the strongest reversal strength because of the enlargement of the corner eddy and the lift of the main recirculating bubble from the porous wall. For the case without injection, about 15.63% of the new shear layer was deflected upstream the reattachment point, whereas approximately 12.5 and 7.5% of the new shear layer were deflected upstream for the flow fields B and C.

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Analysis of entrainment in a sudden-expansion channel with wall mass transfer

Abstract

All Science Journal Classification (ASJC) codes

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