Experiments and Analysis on the Molten Salt Direct Absorption Receiver Concept

[+] Author and Article Information
M. S. Bohn

Solar Energy Research Institute, Golden, CO 80401

K. Y. Wang

General Electric Corporate R&D, Schenectady, NY

J. Sol. Energy Eng 110(1), 45-51 (Feb 01, 1988) (7 pages) doi:10.1115/1.3268236 History: Received December 01, 1986; Online November 11, 2009


This paper presents results of experiments on the Direct Absorption Receiver (DAR) concept using molten salt as the working fluid. The DAR concept may result in a solar central receiver that costs 50 percent less than the current tube receiver and has significantly lower operational and maintenance costs. These experiments were aimed at determining whether the DAR concept is technically feasible and were carried out at the Advanced Components Test Facility, Atlanta, GA. Results are based on several days of operating with solar flux ranging up to 50 W/cm2 and also on a numerical model that is capable of predicting the thermal performance of the DAR salt film. Issues relating to thermal efficiency, absorber-to-salt heat transfer, and salt film stability are addressed.

Copyright © 1988 by ASME
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