Refrigeration and Air Conditioning Knowledge Discussion-Evaporator

Рет қаралды 12,501

4 жыл бұрын

What I want to share with you today is Evaporator
Including evaporator principle, heat transfer coefficient
Dry type, flooded evaporator ~
Bare tube, plate and finned evaporator!
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Пікірлер: 19

@user-dv5fj9cv5c 2 жыл бұрын

影片很好

@WenyuTan-kh3pe 15 күн бұрын

I got a lot out of it.

@flyinginthecouldy 4 жыл бұрын

又來了熱交換!!!!!

@user-pp6rl2ko6y Жыл бұрын

好可愛😂

@user-qz6lp1vm6p Жыл бұрын

😁

@cheliu1744 3 жыл бұрын

影片很好，讓我回想一下以前學的理論課，如果有空氣線圖解說更好~

@user-qz6lp1vm6p 3 жыл бұрын

感謝!!💪 我們也會製作空氣線圖解說~ 歡迎訂閱頻道，才不會錯過內容喔!😀

@user-mt5qd5si2d 2 жыл бұрын

請問冰機系統這個月開始有冷凝趨緊溫度及蒸發器出水溫度過高異常，冷凝器銅管已清洗過及水質調整。請問還有可能是什麼問題造成？謝謝

@user-fk9op9zr3k 4 жыл бұрын

想請問 1.冷媒進入蒸發器的時候會液態變成氣態,是因為帶走物質的熱,導致冷媒吸入熱,才液態變成氣態嗎? 那這樣冷媒是不是會很熱呢? 2.想請問蒸發器是如何帶走物質的熱的? 是直接冷卻物質嗎? 3.想請問蒸發器到壓縮機這一段路,冷媒是高溫還是常溫還是低溫抱歉問題有點多QQ 目前是學生讀到這章節有點不懂

@user-qz6lp1vm6p 4 жыл бұрын

您好建議可以看一下講解莫里爾線圖的影片，可以更了解冷媒循環的情形 👉kzfaq.info/get/bejne/nteZmLWH0brYnI0.html 1. 冷媒經過膨脹閥，少部分液體會汽化成氣體。進入蒸發器入口端的冷媒，會是氣液共存的狀態，少部分因為壓力下降而汽化所以進入蒸發器入口的點是接近飽和液體線 (但在氣液共存區) 蒸發器內的冷媒進行的是相變化，帶走的熱是蒸發時的潛熱。所以溫度不會改變~冷媒不會很熱! 2. 蒸發器提供設定值(蒸發溫度、蒸發壓力)，讓冷媒經過蒸發器時，在設定的溫度壓力下蒸發(進行相變化，由液態轉為氣態) 相變化的蒸發潛熱帶走環境的熱，讓環境溫度下降，沒有直接去冷卻物質。 3. 壓縮機走的是等熵路線[絕熱過程]，會走到過熱蒸汽的點冷媒在蒸發器還是低溫的，進入壓縮機溫度開始增加，到冷凝器是高溫的。

@flyinginthecouldy 3 жыл бұрын

建立溫差【熱流動】、而非【熱交換】!!!!!