This paper presents a numerical study of the thermal performance of a storage tank with nozzle injection and its improvement-a guide tube. The cooling performance of the storage system with guide tube is enhanced. The key geometric parameters are further optimized by analyzing a series of cases for different geometry settings. The optimized ranges of dimensionless parameters has been obtained and studied respectively. This research provides guidelines for geometrical optimization of the cryogenic storage tank and helps to improve its cooling performance.
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