By one dimension LDV, the distribution of axial velocity in the swirling field given was measured.

采用一維多普勒激光測速儀，測量了旋流流場的軸向速度分布疯狂伦交成人网站视频，根據(jù)LDV測量值，建立了描述所給旋流場的數(shù)學(xué)模型。

With Gongboxia Hydropower Station on the Yellow River taken as an example,some related problems were discussed,including the key points on the shape optimization of horizontal and vertical rotary internal energy dissipator,t.

以黃河公伯峽水電站為例黄色视频的网址免费，論述了豎井旋流式與水平旋流式內(nèi)消能工在體型優(yōu)化中的重點(diǎn)與方向問題；泄流能力的協(xié)調(diào)與匹配問題538在线视频免费观看国产；通氣孔的設(shè)計(jì)96视频网、消能率的構(gòu)成、空化空蝕狼友在线视频在线播放、襯砌標(biāo)準(zhǔn)與范圍日本三级片黄色、下游水深的影響等問題。

The paper systemetically investigates the hydrolic properties of the level swirling inner dissipator and the factors which influence on it by model test on the one hand, on the numerical simulation hand, the paper has simulated the swirling flow field in the level discharge tunnel with Anisotropic k-ε Turbulence Model by programming, in addition with Second-moment Renolds Stress Model by utilizing CFX software.

本文一方面通過模型試驗(yàn)的方法系統(tǒng)地研究了水平旋流內(nèi)消能工流場的水力特性和影響因素日韩黄色AV网；另一方面選取各向異性的K-ε模型和雷諾應(yīng)力模型黄色丝袜视频网，分別用編程的方式和利用CFX軟件數(shù)值模擬水平旋流泄洪洞內(nèi)流場。

Through the cold-state and simulation result, the special flow field of the burner can be obtained. It would be adjusting well when primary air nozzle adopting this form of inner-straight and outer-swirling. Inner straight can assure enough distance of jet, outer-swirling can entrain enough high temperature flue gas to burst into flame easily.

從冷態(tài)試驗(yàn)和數(shù)值模擬兩方面可以得出這種燃燒器具有特殊的流場分布国产精品手机在线，一次風(fēng)噴口采用這種外旋流內(nèi)直流形式黄视网站，兼有直流和旋流的兩種特性，且具有很好的調(diào)節(jié)作用图片区自拍偷拍。

The main purpose of this study is to find the solution of the two- dimension irrotational flow and supercritical flow in channel contractions. For irrotational flow, the potential function is used to compute the water depth and velocity distributions in constriction channel.

本文的主要目的為分析二維渠道中非旋流及超臨界流之流況成年人视频www，針對(duì)二維束縮段非旋流時(shí)，利用等勢能函數(shù)來計(jì)算矩形渠道收縮段之水深及流速分布。

The simulated results show that the magnetic flux density is the largest and magnetic field distribution is most uniform under the round electromagnetic stirrer.

通過對(duì)磁場和流場的數(shù)值模擬欧美孕妇与黑人孕交4p，分析了電磁參數(shù)和電磁旋流裝置結(jié)構(gòu)對(duì)鋼液內(nèi)磁感應(yīng)強(qiáng)度和旋流速度大小及分布的影響久久精品视频里只有精品。

The data has been compare for test data and the soft can be used to the study of H.M.Cyclones by the RSM model Of Onflow , the predicted results fit well with test data and the new method has been found out which the study of H.M. Cyclones is used by.

試驗(yàn)結(jié)果證明，選用RSM湍流模型可以對(duì)旋流器流場進(jìn)行較全面準(zhǔn)確的數(shù)值模擬国产激情中文字，為從理論上對(duì)重介旋流器進(jìn)行深入研究提供了一條新的途徑中文字幕中文字幕在线观看。

The horizontal swirling flow internal dissipater tunnel being built in Gongboxia Power Station will be the first one reconstructed from a diversion tunnel whose dischargereaches to 1000m Vs and water head is more than 100m in china . Its schemes argumentation ,test research and future apply will have important meanings to the design .research and engineering application of internal dissipation discharge tunnel with swirling flow, will powerfully promote engineering application of this new kind of dissipation mode , which may solve some high velocity problems in high dam construction and provide a engineering example for technological and economical augmentation in a diversion tunnel reconstruction. It is of theoretical and practical importance to promote hydraulic structure researches and development.

公伯峽水電站右岸旋流內(nèi)消能泄洪洞是國內(nèi)第一個(gè)泄量達(dá)1000m／s、水頭超過100m久久99精品无码专区，即將修建的旋流式內(nèi)消能泄洪洞午夜在线观看国产剧情视频网站免费，其方案的論證與試驗(yàn)研究以及建成后投入使用，將在國內(nèi)外旋流式內(nèi)消能泄洪洞設(shè)計(jì)欧美精品偷拍视频、研究與工程應(yīng)用中具有重要的意義99视频黄片，將有力的推動(dòng)這一新的消能形式在工程中的應(yīng)用，從而為解決高壩建設(shè)中泄水建筑物的高速水流問題與導(dǎo)流洞改建的技術(shù)與經(jīng)濟(jì)問題提供工程實(shí)例久久99国产精品无码，對(duì)推動(dòng)與發(fā)展水工水力學(xué)的研究與發(fā)展均具有重要的理論與實(shí)踐意義午夜大片无码体验区试看120秒。

This paper introduced the swirl spinning process and the main components of machine,including combing roller,drafting device,fibers′ funneled transporting device,closed fibers-converging device and swirl twisting device.

介紹閉合式旋流紡的工藝流程及其主要機(jī)構(gòu)，包括梳輥牽伸機(jī)構(gòu)亚洲欧洲日韩在线免费视频、漸縮式纖維輸送機(jī)構(gòu)亚洲国产午夜一区二区、閉合式纖維集聚機(jī)構(gòu)和旋流加捻器，并分析旋流紡關(guān)鍵機(jī)構(gòu)——閉合式纖維集聚機(jī)構(gòu)的設(shè)計(jì)国产一级乱伦黄片。

What's more,the three-dimensional velocity,density and pressure distribution of the flow field in the gravity-fed 3-product H.M.cyclone were studied as well,some conclusions were summarized.

通過對(duì)無壓給料三產(chǎn)品重介質(zhì)旋流器流場的三維速度国产免费一区二区三区免费、壓強(qiáng)、密度和空氣柱的數(shù)值模擬研究日韩在去bbb，對(duì)無壓給料三產(chǎn)品重介質(zhì)旋流器內(nèi)的流場有了更深入和細(xì)致的了解meiav色在线，得到了幾點(diǎn)有意義的結(jié)論。