Performance-Dryout Limits of Oscillating Heat Pipes: A Comprehensive Theoretical and Experimental Determination

被引：0

作者：

Diaz-Caraveo, Cesar ^{[1
]}

Wolk, Kieran ^{[2
]}

Miesner, Spencer ^{[3
]}

Montemayor, Maxwell ^{[4
]}

Rodriguez, Arturo ^{[1
]}

Kumar, Vinod ^{[1
]}

Munoz, Jorge A. ^{[1
]}

Daimaru, Takuro ^{[5
]}

Furst, Benjamin I. ^{[5
]}

Roberts, Scott N. ^{[5
]}

机构：

[1] Univ Texas Paso, El Paso, TX 79968 USA

[2] Univ Calif Angeles, Los Angeles, CA 90095 USA

[3] Calif State Univ Angeles, Los Angeles, CA 90032 USA

[4] CALTECH, Pasadena, CA 91125 USA

[5] CALTECH, NASA Jet Prop Lab, Pasadena, CA 91109 USA

来源：

JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER | 2024年

基金：

美国国家科学基金会;

关键词：

Oscillating Heat Pipe; Aerospace Sciences; Heating; Ventilating; and Air Conditioning; Convection Heat Transfer Coefficient; Thermocouples; Thermodynamic Properties; Electronics Cooling; Research Facilities and Instrumentation; Fluid Mechanics; Computer-Aided Manufacturing; PART;

D O I：

10.2514/1.T6955

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The performance limits of oscillating heat pipes (OHPs) have been the subject of research in recent years in order to understand their limitations and allow their broad application in the aerospace field. The present work describes the experimental determination of the performance dryout limits for an additively manufactured OHP geometry filled with R-134a and R-123, as well as the performance limits theoretical predictions using a recently developed analytical approach. Thermal experiments were carried out using a constant-temperature cold-plate approach at three cold plate temperatures, allowing the OHP device to reach steady state for each power step. Results show good agreement for the performance limits predictions with experimental data for both working fluids R-134a and R-123, opening the way for the analytical framework to be used in the design and development of OHPs.

引用

页码：289 / 299

页数：11

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