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2017-09-03View Original

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Reply #22017-09-03
Translate the following texts from chinese_simplified to french. Return ONLY a valid json array of translated strings in the same order. No markdown formatting, no explanations.
Reply #32017-09-03
1
Reply #42017-09-03
user
Reply #52017-09-03
Translate the following texts from chinese_simplified to french. Return ONLY a valid json array of translated strings in the same order. No markdown formatting, no explanations.
Reply #62017-09-04
1
Reply #72017-09-04
我这样理解: 1.在泄漏口处,无论泄露量的大小,温度都是280度 2.当泄漏量大的时候,会将主管道泄压,造成压力下降。如果是过热蒸汽,那么影响不大;如果是饱和蒸汽,那么会有凝液出来泄漏口处温度会下降 3.当蒸汽从泄漏口出来的时候,立即有两种趋势驱动温度。一个是对外做功,与外界的热交换;另一个是蒸汽冷凝变成液滴,放出潜热 4.具体这两种趋势是相对立的,一种是降温,一种是升温。具体蒸汽是升温还是降温,需要看哪种趋势占主导作用 5.第一种趋势,与外界温度、压力、管线压力、温度有关系,跟泄漏量无关,所以都是一样的。第二种趋势与做功时间、泄露量有关。也就是说:刚出泄漏口的时候,蒸汽是升温的,而随着距离泄漏口越远,温度开始下降。而这个距离是跟泄漏量有关的。 我想象了一下模型,就跟火苗的模型是一样的,只是等温线是相反的。
Reply #82017-09-11
你没搞错,4MPA?什么概念?

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