Robust Thermal Performance of a Flat-Plate Oscillating Heat Pipe During High-Gravity Loading

被引：41

作者：

Thompson, S. M. ^{[1
]}

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

Smoot, C. D. ^{[1
]}

Wilson, C. A. ^{[1
]}

Ma, H. B. ^{[1
]}

Young, R. M. ^{[2
]}

Greenberg, L. ^{[2
]}

Osick, B. R. ^{[2
]}

Van Campen, S. ^{[2
]}

Morgan, B. C. ^{[3
]}

Sharar, D. ^{[3
]}

Jankowski, N. ^{[3
]}

机构：

[1] Univ Missouri, Dept Mech & Aerosp Engn, Columbia, MO 65211 USA

[2] Northrop Grumman Corp, Linthicum, MD 21090 USA

[3] USA, Res Lab, Adelphi, MD 20783 USA

来源：

JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 2011年 / 133卷 / 10期

关键词：

oscillating/pulsating heat pipes; high gravity; flat-plate heat pipe; effective thermal conductivity;

D O I：

10.1115/1.4004076

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The thermal performance of a miniature, three-dimensional flatplate oscillating heat pipe (3D FP-OHP) was experimentally investigated during high-gravity loading with nonfavorable evaporator positioning. The heat pipe had dimensions of 3.0 x 3.0 x 0.254 cm(3) and utilized a novel design concept incorporating a two-layer channel arrangement. The device was charged with acetone and tested at a heat input of 95 W within a spin-table centrifuge. It was found that the heat pipe operated and performed near-independent of the investigated hypergravity loading up to 10 g. Results show that at ten times the acceleration due to gravity (10 g), the effective thermal conductivity was almost constant and even slightly increased which is very different from a conventional heat pipe. The gravity-independent heat transfer performance provides a unique feature of OHPs. [DOI: 10.1115/1.4004076]

引用

页数：5

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