風扇P/Q曲線 - 3C
By Margaret
at 2018-07-15T22:05
at 2018-07-15T22:05
Table of Contents
在板上看到一篇推文提到P/Q曲線,
一開始完全看不懂,想說為啥風壓愈大反而風流量愈小,
後來爬了一些文才知道這是一種實驗的數據,
好像就類似這樣
https://imgur.com/LsvIhCe
https://imgur.com/PvITD07
https://imgur.com/FYud5in
壓力指的是靜壓;環境壓力,
P/Q曲線中最大靜壓的狀態是,風扇吹向一個密閉空間;
https://imgur.com/mADHQbD
而最大風流量的狀態是指,風扇吹向完全開放的空間,
https://imgur.com/fP9hLDK
我的問題來了,圖表中淺藍色的區塊,指的應該就是風扇吸氣方向有濾網的狀態,
https://imgur.com/B3jaOld
應該就是這張圖的測試
https://imgur.com/PvITD07
而紅色的區塊沒理解錯的話,應該是指沒有濾網且風扇吹向完全開放的空間?
那麼依照在板上看到的這張圖,
https://imgur.com/RYYu7HB
NF-S12A在吹向完全開放的空間時,氣流量應該要是最大的,
那麼為什麼S12A在圖標中紅色的區塊只有75CFM,
遠遠不及A12x25的90CFM呢?
是不是我的理解哪裡有錯誤,還請大大們糾正。
--
一開始完全看不懂,想說為啥風壓愈大反而風流量愈小,
後來爬了一些文才知道這是一種實驗的數據,
好像就類似這樣
https://imgur.com/LsvIhCe
https://imgur.com/PvITD07
https://imgur.com/FYud5in
壓力指的是靜壓;環境壓力,
P/Q曲線中最大靜壓的狀態是,風扇吹向一個密閉空間;
https://imgur.com/mADHQbD
而最大風流量的狀態是指,風扇吹向完全開放的空間,
https://imgur.com/fP9hLDK
我的問題來了,圖表中淺藍色的區塊,指的應該就是風扇吸氣方向有濾網的狀態,
https://imgur.com/B3jaOld
應該就是這張圖的測試
https://imgur.com/PvITD07
而紅色的區塊沒理解錯的話,應該是指沒有濾網且風扇吹向完全開放的空間?
那麼依照在板上看到的這張圖,
https://imgur.com/RYYu7HB
NF-S12A在吹向完全開放的空間時,氣流量應該要是最大的,
那麼為什麼S12A在圖標中紅色的區塊只有75CFM,
遠遠不及A12x25的90CFM呢?
是不是我的理解哪裡有錯誤,還請大大們糾正。
--
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