Heat transfer in the flow with forced pulsations in a rib-roughened channel

被引：1

作者：

Davletshin, I. A. ^{[1
,2
]}

Gazizov, I. M. ^{[2
]}

Paereliy, A. A. ^{[1
]}

机构：

[1] RAS, Kazan Sci Ctr, Fed Res Ctr, Kazan 420111, Russia

[2] Tupolev Kazan Natl Res Tech Univ KAI, Kazan 420111, Russia

来源：

ALL-RUSSIAN CONFERENCE XXXIV SIBERIAN THERMOPHYSICAL SEMINAR, DEDICATED TO THE 85TH ANNIVERSARY OF ACADEMICIAN A. K. REBROV | 2018年 / 1105卷

基金：

俄罗斯科学基金会;

关键词：

D O I：

10.1088/1742-6596/1105/1/012022

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Heat transfer in pulsating air flow in a rib-roughened channel has been studied experimentally. Heat transfer was estimated using the technique of simultaneous wall heating and wall temperature measurement by the same copper tracks. Distributions of heat transfer coefficient over the channel wall in steady and pulsating regimes of flow have been obtained. 30% augmentation of heat transfer compared with the steady flow values has been revealed in pulsating flow. The frequency range of (0-100) Hz and the relative amplitude of forced velocity pulsations of 0.3 have been studied.

引用

页数：5

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