Effect of temperature-dependent air properties on the accuracy of numerical simulations of thermal airflows over pinned heat sinks

被引：15

作者：

Al-Damook, Amer ^{[1
,2
]}

Summers, J. L. ^{[1
]}

Kapur, N. ^{[1
]}

Thompson, H. ^{[1
]}

机构：

[1] Univ Leeds, Sch Mech Engn, Leeds LS2 9JT, W Yorkshire, England

[2] Univ Anbar, MOHESR, HCED, Dept Mech Engn, Ramadi, Iraq

来源：

INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2016年 / 78卷

关键词：

Temperature-dependent air properties; Conjugate heat transfer; Turbulent airflow; Pinned heat sink; PERFORMANCE ANALYSIS; EXCHANGER; FINS;

D O I：

10.1016/j.icheatmasstransfer.2016.08.020

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The importance of accounting for the temperature dependence of air properties in numerical simulations of air flows over pinned heat sinks is demonstrated by comparisons with recently published experiments. Numerical simulations, based on a conjugate heat transfer analysis, using the RANS-based modified k-omega turbulence model, with temperature-dependent air properties, are shown to be in significantly better agreement with experimental measurements of pressure drop, heat transfer coefficient, and heat sink base temperature, than those which employ constant air properties. (C) 2016 Published by Elsevier Ltd.

引用

页码：163 / 167

页数：5

共 50 条

[1] A numerical investigation of thermal airflows over strip fin heat sinks
Al-Sallami, Waleed
Al-Damook, Amer
Thompson, H. M.
[J]. INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, 2016, 75 : 183 - 191
[2] THERMAL RESISTANCE OF HEAT SINKS WITH TEMPERATURE-DEPENDENT CONDUCTIVITY
JOYCE, WB
[J]. SOLID-STATE ELECTRONICS, 1975, 18 (04) : 321 - 322
[3] The effect of temperature-dependent thermal conductivity in heat transfer simulations of frozen biomaterials
Rabin, Y
[J]. CRYO-LETTERS, 2000, 21 (03) : 163 - 170
[4] Numerical modeling of sublimation heat and mass transfer with convective interface and temperature-dependent thermal properties
Chaurasiya, Vikas
[J]. INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, 2024, 159
[5] Heat matters when matter heats - The effect of temperature-dependent material properties on metal cutting simulations
Laakso, Sampsa Vili Antero
[J]. JOURNAL OF MANUFACTURING PROCESSES, 2017, 27 : 261 - 275
[6] Effect of temperature-dependent properties on thermoelastic problems with thermal relaxations
[J]. He, Tianhu (heth@lut.cn), 1600, Huazhong University of Science and Technology (27):
[7] Effect of Temperature-Dependent Properties on Thermoelastic Problems with Thermal Relaxations
Tianhu He
Shuanhu Shi
[J]. Acta Mechanica Solida Sinica, 2014, 27 : 412 - 419
[8] EFFECT OF TEMPERATURE-DEPENDENT PROPERTIES ON THERMOELASTIC PROBLEMS WITH THERMAL RELAXATIONS
He, Tianhu
Shi, Shuanhu
[J]. ACTA MECHANICA SOLIDA SINICA, 2014, 27 (04) : 412 - 419
[9] EFFECT OF TEMPERATURE-DEPENDENT PROPERTIES ON THERMOELASTIC PROBLEMS WITH THERMAL RELAXATIONS
Tianhu He
Shuanhu Shi
[J]. Acta Mechanica Solida Sinica, 2014, 27 (04) : 412 - 419
[10] HEAT TRANSFER OF THIN FINS WITH TEMPERATURE-DEPENDENT THERMAL PROPERTIES AND INTERNAL HEAT GENERATION
HUNG, HM
APPL, FC
[J]. JOURNAL OF HEAT TRANSFER, 1967, 89 (02): : 155 - &

← 1 2 3 4 5 →