热科学学报(英文版)2007,Vol.16Issue(2):186-191,6.
Study of Transition from Laminar to Turbulent Boundary Layer on a Tilted Flat Plate Using Heat Transfer Measurements
Study of Transition from Laminar to Turbulent Boundary Layer on a Tilted Flat Plate Using Heat Transfer Measurements
E.Sanz 1C.Nicot 1R.Point 1F.Plaza1
作者信息
- 1. Laboratoire de Mécanique des Fluides et Acoustique, LMFA (ECL - UCB - INSA Lyon - CNRS) 36, Avenue Guy de Collongue, 69134 Ecully. France
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摘要
Abstract
The boundary layer transition over a flat tilted plate has been studied by means of heat transfer measurements. A heat flux sensor has been developed, in order to measure the efficiency of convective heat transfer for various types of surfaces or flows. Its operation at constant temperature allows direct and fast measurements of heat flux. The present paper reports the development of the sensor and presents its application to the study of transition in a boundary layer depending on the angle of incidence of the external flow. An exponential relationship between critical Reynolds number and pressure gradient parameter has been found.关键词
convective heat flux/boundary layer/transition/pressure gradientKey words
convective heat flux/boundary layer/transition/pressure gradient分类
数理科学引用本文复制引用
E.Sanz,C.Nicot,R.Point,F.Plaza..Study of Transition from Laminar to Turbulent Boundary Layer on a Tilted Flat Plate Using Heat Transfer Measurements[J].热科学学报(英文版),2007,16(2):186-191,6.