Performance of the Directly-Irradiated Annular Pressurized Receiver (DIAPR) Operating at 20 Bar and 1,200°C
Author:
Kribus A.1, Doron P.1, Rubin R.2, Reuven R.3, Taragan E.3, Duchan S.3, Karni J.1
Affiliation:
1. Weizmann Institute of Science, Environmental Sciences and Energy Research Dept., Rehovot 76100, Israel 2. Weizmann Institute of Science, Solar Facilities Unit, Rehovot 76100, Israel 3. Rotem Industries Ltd., P.O. Box 9046, Beer-Sheva 84190, Israel
Abstract
The Directly Irradiated Annular Pressurized Receiver (DIAPR) is a volumetric (directly-irradiated) windowed cavity receiver, designed for operation at a pressure of 10–30 bar, exit gas temperature of up to 1,300°C, and aperture radiation flux of up to 10 MW/m2. This paper presents test results obtained under various irradiation conditions and flow rates. Inlet aperture flux was up to 5 MW/m2; exit air temperatures of up to 1,200°C were obtained, while operating at pressures of 17–20 bar. Estimated receiver efficiency in these tests was in the range of 0.7–0.9. The absorber and window temperatures were 200-400°C below the permitted maximum, indicating that higher air exit temperatures are possible.
Publisher
ASME International
Subject
Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment
Reference16 articles.
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