Journal
ANNALS OF NUCLEAR ENERGY
Volume 180, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anucene.2022.109486
Keywords
High heat flux; Liquid metal; Electromagnetic pump; Minichannel heat sink; Convective heat transfer
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This paper presents a novel conception of a high-performance double spiral electromagnetic pump (DS-EMP) for efficiently driving liquid metal (LM) fluid with minimum volume. The driving characteristics of DS-EMP have been investigated through mathematical modeling and experimental testing, showing that the performance can be regulated by changing the number of spiral flow channels.
This paper reports a novel conception of the high-performance double spiral electromagnetic pump (DS-EMP) to efficiently drive liquid metal (LM) fluid with minimum volume. The mathematic model and experimental test methods have been adopted to investigate the driving characteristics of DS-EMP. The result shows that the performance of DS-EMP can be regulated by changing the number of the spiral flow channel. Increasing the number of spiral flow channels is conducive to achieving a high-pressure head. Reducing the number of spiral flow channels is beneficial for obtaining a large flow rate. The experimental result indicates that it can provide the maximum pressure head of 76.5 kPa @200A and the corresponding maximum flow rate of 2.19 L/min with a compact volume of 0.8 L. The LM cooling loop driven by DS-EMP was established to achieve efficient cooling of 156 W/cm2 (755 W) heat flux with a flow rate of 1.86 L/min.
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