NDLI: An Investigation of Flat-Plate Oscillating Heat Pipes

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Cheng, Peng Thompson, Scott Boswell, Joe Ma, Hongbin
Copyright Year	2010
Abstract	The heat transfer performance of flat-plate oscillating heat pipes (FP-OHPs) was investigated experimentally and theoretically. Two layers of channels were created by machining grooves on both sides of copper plate, in order to increase the channel number per unit volume. The channels had rectangular cross-sections with hydraulic diameters ranging from 0.762 mm to 1.389 mm. Acetone, water and diamond/acetone, gold/water and diamond/water nanofluids were tested as working fluids. It was found that the FP-OHP’s thermal resistance depended on the power input and operating temperature. The FP-OHP charged with pure water achieved a thermal resistance of 0.078°C/W while removing 560 W with a heat flux of 86.8 W/cm2. The thermal resistance was further decreased when nanofluid was used as the working fluid. A mathematical model predicting the heat transfer performance was developed to predict the effects of channel dimension, heating mode, working fluid and operating temperature on the thermal performance of the FP-OHP. Results presented here will assist in optimization of the FP-OHP and provide a better understanding of heat transfer mechanisms occurring in an OHPs.
Sponsorship	Heat Transfer Division
Starting Page	385
Ending Page	391
Page Count	7
File Format	PDF
ISBN	9780791849408
DOI	10.1115/IHTC14-22706
e-ISBN	9780791838792
Volume Number	2010 14th International Heat Transfer Conference, Volume 5
Conference Proceedings	2010 14th International Heat Transfer Conference
Language	English
Publisher Date	2010-08-08
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Water Flat plates Diamonds Nanofluids Machining Dimensions Heat flux Optimization Fluids Cross section (physics) Thermal resistance Heating Heat pipes Copper Heat transfer Operating temperature
Content Type	Text
Resource Type	Article

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