CONTACT ANGLE MEASUREMENTS FOR ADVANCED THERMAL MANAGEMENT TECHNOLOGIES

被引：29

作者：

Smith, Sally M. ^{[1
]}

Taft, Brenton S. ^{[1
]}

Moulton, Jacob ^{[1
]}

机构：

[1] US Air Force, Res Lab Space Vehicles Directorate, Kirtland AFB, NM 87117 USA

来源：

FRONTIERS IN HEAT AND MASS TRANSFER | 2014年 / 5卷 / 01期

关键词：

Wettability; Hysteresis; Interfacial Phenomena; Refrigerants; Oscillating Heat Pipe;

D O I：

10.5098/hmt.5.6

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This study investigates the wettability of fluid-solid interactions of interest for oscillating heat pipe (OHP) applications. Measurements were taken using two techniques: the sessile drop method and capillary rise at a vertical plate. Tested surface materials include copper, aluminum, and Teflon PFA. The working fluids tested were water, acetone, R-134a, and HFO-1234yf. A novel low-pressure experimental setup was developed for refrigerant testing. Results show that the refrigerants have significantly lower hysteresis than the water and acetone-based systems, which is thought to lead to better heat transfer in OHP design.

引用

页数：9

共 46 条

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