The fluid flows and heat coupled calculation method is used. The standards two equations turbulence models, velocity and pressure coupled arithmetic are used.According to the results of numerical simulation analysis the local coefficient distribution changes along the pin fins.Study the effection that its height and shape of the pin fins have on the average Nu and the average number of pressure loss coefficient Eu.The circle-shaped and elliptic-shaped pin fins have different circumcolumnar regional,therefore the mixed conditions are effected.

數(shù)值計算中采用標(biāo)準(zhǔn)雙方程湍流模型野狼福利视频，速度壓力耦合算法小h片在线播放免费网站；根據(jù)數(shù)值模擬的結(jié)果分析沿擾流元的局部換熱系數(shù)分布變化2012免费观看在线播放，研究其擾流柱高度及形狀對擾流柱通道平均努賽爾特數(shù)Nu和平均壓力損失系數(shù)Eu的影響美女a黄色视频，圓形和橢圓形擾流柱的繞流尾渦影響的區(qū)域的不同對擾流柱群內(nèi)流體混合狀況的影響。

An oil supply structure for vortex-type compressor is composed of oil lifter, rotary shaft and its oil channel, and the eccentrical part inserting slot and pin slot on movable vortex disk, and features that said two slots are communicated with each other via through oil hole for decreasing the abrasion between steel pin and pin slot.

通過渦旋式壓縮機的供油結(jié)構(gòu)人人操人人爱爱，壓縮機運轉(zhuǎn)中通過旋轉(zhuǎn)軸的油路提升噴出的油經(jīng)過機油通孔向動渦盤的銷槽與鋼銷的銷之間供給充分的機油国产级特妇黄A片，使動渦盤的銷槽與插入在銷槽內(nèi)的鋼銷的銷之間進行順利的移動，同時降低它們之間的磨損在线观看中文字幕亚洲。

The results show that 530℃ temper pin's wear rate is larger than other pin's under various conditions, and at a rate of 1.33 m/s, originality pin's friction coefficient is lowest and wear rate is least owing to lubrication oxidation film.

研究結(jié)果表明：530℃回火銷在各種條件下磨損均較其他三銷大www.aaa4a.com；原始銷在速度為1.33m/s時由於生成了具有潤滑作用的氧化膜而摩擦系數(shù)低，磨損率最小欧美一级二级在线。

The suspension system of claim 1, wherein said mounting means includes an upper spring seat secured to said horizontal section, said upper spring seat further includes a pin guide for receiving a hanger pin which provides said pivot, an upper axle cap pivotally located on said hanger pin and a lower axle cap secured to said upper axle cap to captively retain said axle therebetween.

懸掛系統(tǒng)的索賠1 黄色视频在线观看免费入口，其中說，越來越多的手段包括一個座位上春說91日韩在线观看视频，擔(dān)保一级黄色片欧美，以橫向節(jié)說，春季座位上還包括了一個引腳指導(dǎo)收到了衣架引腳提供了支點說欧美一区二区色视频，上軸帽至關(guān)重要說欧美自拍日韩经典，位于衣架引腳和較低的車軸帽擔(dān)保說，上軸帽欧美一级在线看片，以captively保留車軸therebetween說亚洲日韩中文字幕一区二区。

Its chief products include: F type straight pin,U type hitch pin,brad nail,T pin,steel chain rivets and riveting gun,with an integrated annual production of 3,000 tons.

主要產(chǎn)品有：F型直釘、U型碼釘亚洲激情图片小说视频区、蚊釘免费一国产一级A片户外、T釘、鋼排釘以及氣動打槍等看久久久久久久久特级毛片，綜合年產(chǎn)量3000余噸午夜18。

The XLR-type jack is wired pin 2 HOT, pin 3 COLD and pin 1 GROUND.

XLR類型插頭的2腳為同相端，3腳為反相端在线高清无码不卡，1腳是地www色色色色色色。

The XLR-type jack is wired pin 2 HOT, pin 3 COLD and pin 1 GROUND.

XLR型接口的2腳接同相端，3腳接反相端欧美在线人一区二区三区视频，1腳接地亚洲黄色欧美。

My roomies told me that, in a midnight I said:"My ICBC bank card's PIN code is...... PIN code is......is.....", without result being "Is" for long time, which made them crazy. Heard that, I ran out in a hurry and changed my PIN code.

以前聽寢室哥們告訴我，半夜里我突然說道：我的工商卡密碼是……密碼是……是……結(jié)果&是&了好久都沒&是&出來亚洲日韩国产高清mp4，把那兩個哥們急得免费欧美日韩一区二区视频，聽后我巨寒，馬上出去把密碼換了99h久久久精品。

By abration experiment, the impact action between pin and particle is studied, and the impact position is revealed according to abrated position and abrated degree in a pin, by which the structure design of GLS pin mill is suggested based on this analysis.

采用顆粒與銷棒相互沖擊碰撞的磨蝕實驗91超碰在线播放，根據(jù)銷棒的磨蝕位置及磨蝕程度，分析了顆粒在粉碎過程中與銷棒碰撞的部位激情亚洲欧美另类录音，研究了顆粒與銷棒相互作用的規(guī)律美日韩国产综合一区www，揭示了顆粒在銷棒粉碎機中的粉碎機理，由此提出了銷棒粉碎機結(jié)構(gòu)設(shè)計的改進措施午夜理论片高清电影。

Firstly, the piston pin boss bearing, the piston pin and the connecting rod small end bearings were taken as a whole system, and the fourth-order Runge-Kutta method was used to solve the rotation speed of the piston pin operating in hydrodynamic lubrication.

首先一夲道一区二区免费视频，將活塞銷孔軸承與活塞銷及連桿小頭軸承作為一個系統(tǒng)，利用四階的龍格庫塔方法求解了活塞銷在流體潤滑狀態(tài)下的轉(zhuǎn)動速度小蝌蚪永久免费无码视频。