variable pressure drop 中文意思是什麼
variable pressure drop
解釋
可變壓降-
This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective
本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷，利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法，提出了在液壓系統中加一個定差減壓閥的新思路，較好地解決了液壓伺服系統存在的上述問題。 -
The experimental results show that the distribution of the radial static pressure behind the model cascade can be controlled by changing the diameter, number and distribution of the holes at different radius of the full circled backboard with the holes properly ， and the experiments variable enthalpy drop in the model cascade can be realized by using out - circled backboard or in - circled backboard which are set on the different distances from the trailing edge of the model cascade
實驗結果表明，適當選擇全環鉆孔擋板不同半徑處的鉆孔率、鉆孔直徑與分佈，可調節靜葉后徑向靜壓分佈，採用外環或內環擋板，並將其分別置於靜葉的近、中、遠下游，可實現靜葉柵的變焓降實驗。 -
It was found that there are lower pressure drop and better distribution in the radically variable cell diameter converter and the inlet loss of catalytic converter may be neglected when the velocity in cell passage is low
結果發現，三效催化器微元通道孔徑沿徑向的不同組合可以達到既不增加壓降、流速分佈又均勻的效果，而且在所計算的軸對稱三效催化器結構中，在通常的流量范圍內其進口損失可以忽略。 -
Application of variable pressure drop method to steady flow test for port of ic engines
應用變壓差技術的氣道穩流試驗研究
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