Fluctuation of heat transfer in shock wave/turbulent boundary-layer interaction

Masanori Hayashi, Shigeru Aso, Anzhong Tan

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A new method for the measurement of heat-transfer rate with high spatial resolution and fast response is applied to the measurements of the fluctuating heat fluxes in the interaction regions of oblique incident shock waves and turbulent boundary layers. Experiments are performed under these testing conditions of Mach number of 4, wall temperature condition TW/T0 of 0.56, and Reynolds number of 1.26 × 107. Measurements are made for both unseparated and separated boundary-layer conditions. For the case of an unseparated boundary layer, fluctuations of heat flux become strong near the impingement point of the incident shock wave, and no intermittency phenomenon is observed. For the case of a separated boundary layer, significant fluctuations of heat flux are observed throughout the interaction region. These fluctuations are very strong, especially near the separation and reattachment points. Near the separation point, intermittency of heat transfer is observed.

Original languageEnglish
Pages (from-to)399-404
Number of pages6
JournalAIAA Journal
Volume27
Issue number4
DOIs
Publication statusPublished - Jan 1 1989

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

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