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2019-09-05View Original

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Reply #22019-09-06
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Reply #32019-09-06
Translate the following texts from chinese_simplified to portuguese. Return ONLY JSON array of translated strings in the same same same same order. No markdown formatting,
Reply #42019-09-06
膨胀都会吸热。包括从液相变为气相的膨胀,和气相高压变为低压的膨胀。比如液氮气化会吸热,瓶装的15MpaN2放出去的过程也会吸热,只不过如果方的比较慢的话看不出来
Reply #52019-09-06
研究一下水和水蒸汽气液平衡就明白了。临界温度以下,液体自发汽化说明气相分压低于饱和蒸气压,当达到饱和时,呈气体液化和汽化达到平衡,环境不变,无外功,此状态不会被打破。
Reply #62019-09-06
基本上高壓液體洩漏出來會吸熱然後壓力變低轉變成氣態 若然還要從氣態變成液態 請壓縮方式進行(壓縮後會高溫,還要把熱量移除) ------------------------------------------------------------- 吸熱會不會至0度C,答案是會 丙烯洩漏會結冰...
Reply #72019-09-06
气液平衡,能量守恒,纠结这个还不如去多读读这方面的书籍。
Reply #82019-09-07
一般液化气体气化温度很低,都是零下很多度,虽然气化时吸收热量导致环境温度到零下,但该温度是不足以让气化的气体在冷凝成液体的,这个基本不需要担心,但是有一定,因为吸热环境温度降到零下,导致气化器上结霜冻,这样会影响气化器的效率,所有最好清理下汽化器。
Reply #92019-09-07
觉得你有点太纠结了 这个不是重点吧 照这样说,气体零度就可以把气体都冷凝下来 不太可能吧 只是很少一部分会吧 水蒸气影响比较大吧
Reply #102019-12-20
能达到液化温度就不会气化。

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