Reducing Risks Associated with Hot Gas Defrost and Avoiding the Liquid Hammer Effect

In a paper titled “Research on risk of hot gas defrosting and liquid hammer in ammonia refrigeration,” Yitai Ma and Haoxiang Gu from the Key Laboratory of Efficient Utilization of Low and Medium Grade Energy in China, gave an overview of the safety requirements for ammonia refrigeration. The paper was presented at the Gustav Lorentzen 2014 Conference on Natural Refrigerants, which also included a paper focused on hot gas defrosting and the risk of liquid hammer phenomenon.

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