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In order to develop a compact intermediate heat exchanger which is applicable for high temperatures above 900degC, assuming HTGR (high temperature gas cooled reactor), a heat exchanger module made of SiCf/SiC composite has been designed, fabricated and tested with LiPb-He double loop. The heat transfer from liquid metal to gas has been measured, and heat transfer of >1.3 kW and reasonable heat exchange performance are obtained with 10 cm times 10 cm times 3 cm test module. The results also show that the heat transfer from the IHX module to fluid is predominant in overall heat transfer coefficient.
Date of Conference: 1-5 June 2009