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Methods and analysis of fluid to fluid modeling of critical heat flux
Pages: 26-28
Year: Issue:  2
Journal: Energy Conservation

Keyword:  临界热流密度相似理论流体模化方法制冷剂;
Abstract: 为比较模化工质和实际工质的参数,计算R12、R22、R123、R134a、水在液气密度比172~4条件下的压力变化范围,简单介绍流体模化理论基础并评述已有典型临界热流密度流体模化模型的特点.分析认为氟利昂类物质汽化潜热低,温度压力参数比高温高压水蒸气低一个数量级,作为模化工质可降低实验困难70%~80%,节能80%左右,考虑到环保性能,替代制冷剂R134a等可作为理想的模化工质.最后讨论了CHF流...
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