Based on the Reynolds stress model CFD numerical simulation method, the experimental study of the inflow field and separation feature of nine forms of entrance structures of the oil-water separation hydrocyclone including vortex curved entrance and Archimedes spiral entrance is carried out and four kinds of ideal optimized entrance structures are obtained.

采用雷諾應(yīng)力模型CFD數(shù)值模擬方法欧美人成在线视频免费一级A片，對(duì)渦線形曲面入口、阿基米德螺旋線形入口等9種油水旋流分離器入口結(jié)構(gòu)形式的內(nèi)流場和分離特性進(jìn)行了試驗(yàn)研究，得出比較理想的4種優(yōu)化入口結(jié)構(gòu)形式。

According to this, a new structure-the oil-water cyclone separator with the spatial Archimedes spiral cord imported flow channel and conduction current spiral-is proposed.

研究表明欧美专区第1页，采出液在進(jìn)口處的相互流動(dòng)干擾對(duì)油水分離效果有重要影響，據(jù)此提出一種新型結(jié)構(gòu)－帶有空間阿基米德螺旋線進(jìn)口流道和導(dǎo)流螺旋的油水旋流分離器一级亚州视频欧美视频。

Bloor M I G Axially symmetric flow models for hydrocyclones Oxford,Cranfield:BHRA-Elsevier , 1987,null

劉曉敏%蔣明虎%王尊策%趙立新%李楓動(dòng)態(tài)水力旋流器圓管螺旋流場特性研究石油學(xué)報(bào)操射了视频在线播放， 2003，2

The simulation Connection of distributary ratio and separate efficiency compared with the experimentation data and the relative error is within 15%.

從而說明本文所采用的數(shù)學(xué)模型及算法對(duì)復(fù)合式水力旋流器內(nèi)部流場的數(shù)值計(jì)算是可行的久久AV无码精品人妻系。

The flow field can be controlled and adjusted by rotary strength, flowrate ratio of jet to suction, entrance dip angle and width.

旋流強(qiáng)度、射抽流量比影音先锋来5566AV资源、噴口傾角或?qū)挾鹊榷寄軐?duì)該流場的形狀和控制能力進(jìn)行調(diào)節(jié)免费黄色视频精品在线观看。

For solving this problem in analytic way, we mark some assumptions for simplification: Assuming this is incompressible and irrotational flow in three-dimensional flow field.

如以無旋流與密度為定值考慮之，可獲得不同沿岸斜面形狀之流場解析解黄色网页在线欧美。

With the numerical calculation,the two phase media equoconcentration distribution map and t...

研究結(jié)果表明91看片婬黄大片涩爱，數(shù)值計(jì)算得到的各種圖完全符合已知的旋流器流場分布規(guī)律。

The numerical results show that the secondary flow is enhanced in the cross section vertical to the mainstream for the revised burner, the gas tangential velocity component increases, and the rotational flow is intensified.

結(jié)果表明：改進(jìn)后的燃燒器明顯地增加了垂直于主流方向截面上的二次流激情图片久久久，氣體的切向分速度增大国产91av天堂，旋流程度增強(qiáng)，能夠有效地改善煤氣和空氣的混合效果国产孕妇一级毛片久久。

The underflow is led back into the filtrate tank and it is used in process again.

廢水旋流站組底流被返回過濾箱欧洲性爱精品图片，然后再被利用在工藝流程中。

Hot wire anenometry is used to measure the instantaneous velocity, and the measured data are filtered and transformed by fast Fourier transform method to get the frequency of precessing vortex core.

對(duì)于旋流設(shè)備中產(chǎn)生的旋進(jìn)渦核現(xiàn)象www.akhm.黄片一级，可以利用恒溫式熱線風(fēng)速儀測量氣流瞬時(shí)速度产精品久久，對(duì)速度信號(hào)進(jìn)行濾波和FFT變換，從而得到PVC的頻譜特性大地影视app官网。