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张跃simple

银虫 (小有名气)

[求助] 关于储热材料比热容选择的问题

现在在设计储热材料的时候,大多优选比热容大的材料,这样在相同温升下,储存的热量多
但是,就储热来讲,不应该温度越高越好么,毕竟温度越高,能量的品质就越高。
就拿导热油来讲,如果我选择较低的比热,那么相同质量流量换热下来,其温度肯定比较高比热的导热油温度高。
从这个层面来讲,是不是比热选择越低越好呢!请各位老师赐教!
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