Watts gauges with copper alloy sensing elements are not suitable for applications involving highly corrosive fluids and high viscosity fluids that tend to crystallize 美國(guó)瓦茨儀表采用銅合金感應(yīng)元件,不適用于強(qiáng)腐蝕性液體和易結(jié)晶的高粘性液體。
The numerical simulation computations of the three dimensional viscosity fluids are done to research the turbomachinery properties , which includes the determination of the computation equation , the finite mesh and the determination of boundary conditions 進(jìn)行了水輪機(jī)葉片切割前后轉(zhuǎn)輪內(nèi)部三維粘性流的數(shù)值模擬計(jì)算,其中包括方程的確立、方程的變換和離散、邊界條件的確定。
Fem equation of fluid - solid coupled vibration was constituted by analyzing fem equation of incompressible viscosity fluid and elastomer . based on the equation , vibration characteristics of vane in the air and frequency and swing of fluid - solid coupling vibration are calculated by using ansys 本論文通過(guò)對(duì)不可壓縮粘性流體的有限元方程和彈性體振動(dòng)的有限元方程的分析,得到了彈性體與粘性流體流固耦合的有限元方程。
Complete air piston pump contains pneumatic motor and piston pump , the ratio of piston area of pneumatic motor and plunger ' s sectional area of piston pump is transforming times of pump pressure ; the higher times , the more pressure can deliver higher viscosity fluid , and achieve the delivery aim 完整的氣動(dòng)柱塞泵包含有氣動(dòng)馬達(dá)與柱塞泵兩部分,氣動(dòng)馬達(dá)中的活塞面積與柱塞泵活塞的截面積比值,就是泵壓力轉(zhuǎn)換的倍數(shù);愈高的倍數(shù)就能以愈大的壓力輸送愈高黏度的流體,達(dá)到輸送的目標(biāo)。
Air piston pump adopts the theory that " pressure " applying force on various areas and can produce various " acting force " , the pump takes the origin that the compressed air is compressed energy , and transforms the pressure of compressed air into more fluid pressure , pressing fluid move in order to achieve the aim of high viscosity and ultra - viscosity fluid 氣動(dòng)柱塞泵是利用“壓力”在不同的面積上施力,產(chǎn)生不同“作用壓力”的原理,以壓縮空氣為壓力能量的來(lái)源,將壓縮空氣的壓力轉(zhuǎn)換成更大的流體壓力,壓迫流體移動(dòng),進(jìn)而達(dá)到輸送高黏度及超高黏度流體的目的。