Mass transport in flow through asymmetric stenosis

Takuji Ishikawa, Shuzo Oshima, Ryuichiro Yamane

Research output: Contribution to journalArticlepeer-review


Pulsatile flow and mass transport between flat plates with asymmetric stenosis is analyzed numerically. The fluid is assumed to be Newtonian and incompressible, and the flow is assumed to be periodic in time. The effect of asymmetric stenosis on mass transport is investigated. Flow pattern, concentration pattern and distribution of wall concentration are obtained. It is found that the asymmetry of stenosis increases concentration on the wall downstream of stenosis. In high Schmidt number flow, concentration on the wall of asymmetric stenosis recovers in smaller Stokes number compared with that of symmetric stenosis.

Original languageEnglish
Pages (from-to)1644-1651
Number of pages8
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Issue number647
Publication statusPublished - 2000 Jul


  • Bio-fluid mechanics
  • Diffusion
  • Fluid dynamics
  • Numerical analysis
  • Pulsation


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