Electronics Cooling System and Component Design According to the Second Law

被引：1

作者：

Gielen, Ruben ^{[1
]}

Baelmans, Martine ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Dept Mech Engn, B-3001 Heverlee, Belgium

来源：

JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 2014年 / 136卷 / 05期

关键词：

component; design; entropy generation minimization; electronics cooling; second law; system; ENTROPY GENERATION MINIMIZATION; FINITE-TIME THERMODYNAMICS; HEAT SINKS; EXERGY ANALYSIS; THERMAL DESIGN; 2ND-LAW ANALYSIS; REYNOLDS-NUMBER; POWER-PLANTS; OPTIMIZATION; ENERGY;

D O I：

10.1115/1.4026058

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This work focuses on a comparison of second law based component design on one hand and second law based system design on the other within the context of electronics cooling. Typical electronics cooling components such as a heat sink and a heat exchanger are modeled and designed towards minimum entropy generation on individual level and on system level. A comparison of these levels allows us to qualify and quantify the influences among components induced by a system. Simultaneously, this article endeavors to be an illustrated assessment of the usefulness of efficiency criteria on component level. It turns out that the results of this work reveal a substantial influence of system dependencies on the optimal component design. As such a note of caution is raised about second law based component design which does not take into account the system in which a component has to operate.

引用

页数：11

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