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 journalArticlepeer-review

3 Citations (Scopus)


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 languageEnglish
Pages (from-to)514-516
Number of pages3
JournalJournal of Propulsion and Power
Issue number3
Publication statusPublished - 2003

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Fuel Technology
  • Mechanical Engineering
  • Space and Planetary Science


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