Design of a Plane-Type Bidirectional Thermal Diode

[+] Author and Article Information
K. Chen

Department of Mechanical and Industrial Engineering, University of Utah, Salt Lake City, UT 84112

J. Sol. Energy Eng 110(4), 299-305 (Nov 01, 1988) (7 pages) doi:10.1115/1.3268271 History: Received April 01, 1986; Revised June 01, 1988; Online November 11, 2009


The design of a plane-type, bidirectional thermal diode is presented. This diode is composed of two vertical plates and several fluid-filled loops with their horizontal segments soldered to the vertical plates. This invention is simple in construction and low in cost. The direction of heat transfer in the invented thermal diode can be easily reversed. These features of the present invention make it very attractive to solar energy utilization. Natural convection analysis for thermosyphon operations was adopted for heat transfer calculations of the fluid-filled loops. A one-dimensional heat transfer analysis was employed to estimate the heat transfer rate and ratio of heat transfer rates of the diode under forward and reverse bias.

Copyright © 1988 by ASME
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