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2017-05-14View Original

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Reply #22017-05-14
继续翻译
Reply #32017-05-14
1 通过加热饱和蒸汽使其温度高于对应压力下的饱和蒸汽温度,即可得到过热蒸汽。
Reply #42017-05-14
. 通俗地说,就是温度和压力都升高了,特别是温度较高时,不含水的蒸汽。
Reply #52017-05-14
99 见到的过 哈,过热蒸汽有两种来源:一个是饱和蒸汽再加热,温度升高. 压力不变(流速增加);另一个是高压蒸汽降压. 压力大幅度降低. 而温度不会有显著变化。
Reply #62017-05-15
. 5 饱和蒸汽在不同压力下有不同的温度. 当温度达到饱和蒸汽时. 再通过加热使蒸汽温度上升. 就形成了 哈 . 但是 . 在饱和压力相同情况下. 哈 . 蒸汽的密度要小一点。
Reply #72017-05-15
. 6 在饱和状态下的液体称为饱和液体. 其对应的蒸汽是饱和蒸汽. 但是最初只是湿饱和蒸汽. 待饱和水中的水分完全蒸发后才是干饱和蒸汽。蒸汽从不饱和到湿饱和干饱和的过程温度是不增加的(湿饱和到干饱和温度保持不变). 幃饱和之后继续加热则温度会上升. 成为 哈 . 蒸气。
Reply #82017-05-21
. 7 简单理解就是 哈 . 就是比饱和蒸汽温度高. 不管高多少都叫 哈 . 蒸汽!
Reply #92017-05-31
. 8 当液相全部变为气相后. 再加热. 就得到 哈 . 蒸汽。但是我觉得 哈 . 蒸汽的压力应该比最后的饱和蒸气压高一点吧。
Reply #102017-06-08
. 9 哈 . 哈 . 哈 . 通过节流无法制备 哈 . 蒒汽。

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