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증기 분사 펌프 외부가 차갑다

2016-07-14View Original

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저희 단위에서 진공을 만들 때 사용하는 저압 증기 분사 펌프의 외부는 매우 차가운데, 어떻게 된 걸까요?인젝션 증기는 1.0Mpa, 250도 섭씨로, 당연히 매우 뜨거워야 하지 않을까요?
Reply #22016-07-18
기체가 액화될 때 열이 방출되는 것과 비슷하게, 액체가 기화될 때는 열을 흡수하는 것과 같은 건가요?이런 펌프는 접해본 적이 없어요....게다가 당신은 진공 상태이니 열 전달 효과가 매우 낮을 테고, 그래서 발열하지 않을 것입니다

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