pressure pin 中文意思是什麼
pressure pin
解釋
氣墊上壓力頂桿-
The applied pressure acts on a diaphragm which in turn moves the anode pin.
施加的壓力作用在一個膜片上，於是該膜片就移動陽極管腳。 -
This " paper mainly researches on the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture
課題主要對撞針型高壓小孔徑離心式噴嘴的霧化加濕性能進行研究。 -
However, the related research is rarely reported on the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture
但當前對該類型噴嘴加濕性能的相關研究還較少見諸報道。 -
As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。 -
Based on the theory analysis and experiment work, the paper studies the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture. compared with the traditional air washer, the high efficiency and energy saving character of this kind of nozzle is stood out
課題從理論和試驗兩方面分析研究了撞針型高壓小孔徑離心式噴嘴的霧化加濕性能，並將其與傳統噴水室加濕系統進行能耗比較，突出了撞針型高壓小孔徑離心式噴嘴高效節能的特點。 -
Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high
通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。 -
Integrated the work on theory and experiment, the paper provides technical performance material at large about the automating and humidifying character of the centrifugal nozzle with firing pin type, high pressure and little aperture to the manufacture and user. with the valuable reference during the selecting the equipment and ascertaining the parameters, the users could select and control the humid parameter
課題的理論與試驗兩方面工作相結合，為撞針型高壓小孔徑離心式噴嘴的霧化加濕性能提供了較為詳細的技術性能資料，為生產廠家和用戶在設備選型和參數選擇過程中，提供了有價值的參考，便於用戶正確而經濟地選擇、控制濕度參數，有效調節噴嘴孔徑、噴水初溫和噴水壓力的大小。 -
The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。 -
Drop tight seating is accomplished over the full pressure range because a slight clearance at the pivot pin assures complete seating between the disc ring and body ring
由於在樞軸銷上的空隙很小，所以在整個壓力范圍內都可以實現漏斗形緊密閥座密封，確保閥瓣環和閥體環之間的閥座密封的完整性。 -
The results proved that : ( 1 ) because of the material ' s difference of primer - 9 and primer - 5, the maximum stress of primer - 5 is larger than primer - 9 but the maximum displacement is smaller than primer - 9. ( 2 ) because of the unrenewable shape changing of primer - 9 after impacting by the pin, it will cracking under high pressure more easily. so, the paper give the suggestion that the designer should decrease the depth of impacting by pin in the case of the primer be fired successfully
對底- 9底火、底部被擊針撞擊后的第- 9底火和底- 5底火在膛壓作用下分別進行了有限元數值分析，計算表明： （ 1 ）底- 5底火底部擊針撞擊部位為火帽座，其材料為鋼帶，底- 9底部承受撞擊部位為底火體，其材料為冷拉退火圓鋼，由於材料強度不同，承受壓力能力和變形能力不同：雖然在膛壓作用過程中底- 5底火的最大應力值比底- 9底火的大，但底- 5底火的最大位移量卻比底- 9底火的小得多。 -
Using gap elements to simulate the practical worki n g situation of a piston, a new finite element contact model is proposed both th e stress and deformation of the piston and the pressure distribution between the p iston and the pin are obtained the contact area and the pressure distribution v ary with the stiffness of the pin and the clearance between the piston and the p in
該文使用間隙元模擬活塞的實際工作狀態，提出活塞的有限元接觸模型，不僅可以得到活塞的應力和變形，還可以計算出活塞與活塞銷之間的壓力分佈以及銷的剛度、銷與銷座的間隙變化對接觸區域的大小和壓力分佈的影響 -
Abstract : using gap elements to simulate the practical worki n g situation of a piston, a new finite element contact model is proposed both th e stress and deformation of the piston and the pressure distribution between the p iston and the pin are obtained the contact area and the pressure distribution v ary with the stiffness of the pin and the clearance between the piston and the p in
文摘:該文使用間隙元模擬活塞的實際工作狀態，提出活塞的有限元接觸模型，不僅可以得到活塞的應力和變形，還可以計算出活塞與活塞銷之間的壓力分佈以及銷的剛度、銷與銷座的間隙變化對接觸區域的大小和壓力分佈的影響 -
The present results indicate that the diamond element always yields the highest heat transfer, followed by cube and waterdrop pin - fin. however, the pressure drop for the diamond pin is higher compared to the cube and waterdrop pin - fin. arrays with geometric parameters x / d = 2. 7 elements generally cause the greater heat transfer and pressure loss than those with x / d = 3. 3 and x / d = 4
研究結果表明：鉆石形擾流柱排換熱最強，方形次之，液滴形最弱，相應地鉆石形擾流柱排壓力損失也最大，方形次之，液滴形最弱；小間距（ x / d = 2 . 7 ）在換熱較強的同時壓力損失也高於其他兩種間距。 -
The main parts in the upper structure that bear pressure are of pipe truss structure and pin shaft link
本機上部結構的主要受壓構件為管絎結構，銷軸連接。 -
The effects of pin shape and array configuration on the heat transfer and pressure drop of short pin - fin arrays have been investigated experimentally
本文通過試驗的方法研究了柱形和柱間距對叉排型短擾流柱排內的壓力損失和換熱的影響。 -
A parameter has been defined to account for both the heat transfer enhancement and pressure loss caused by different shapes and configuration of pin fin arrays and the optimization analysis shows that cube - shaped pin - fin arrays can be viable alternatives for pedestal cooling in a blade trailing edge
本文提出了一個強化換熱有效性系數來綜合考慮擾流柱換熱和壓力損失的效果，並用它對各種擾流柱進行了優化分析，優化結果表明方形擾流柱排在渦輪葉片尾緣區冷卻結構設計中是優先考慮的一種結構型式。 -
Pressure regulator valve pin
減壓器閥針 -
Fault description ( reason ) : high voltage detected at intake manifold pressure sensor signal pin
故障描述（原因） ：檢測到進氣歧管壓力傳感器信號電壓值高。 -
Experimental investigation on heat transfer and pressure drop of pin - shaped - fin tube bank
針形肋管束的傳熱特性和阻力特性的試驗研究 -
The results show that the switch operates more steadily at trigger mode than at self - breakdown mode and its operating voltage range is related to such factors as the position of the trigger pin and gas pressure. it ' s also revealed that the switch has excellent operating characteristics, expecially low jitter and low misfire rate, when it operates at about eighty percent of self - breakdown voltage
研究結果表明：開關在自擊穿工作下的工作穩定性遠小於觸發工作時，開關工作范圍與觸發針位置和氣壓等因素有關；開關電壓選擇在自擊穿電壓的大約80 %時，開關抖動小、誤觸發率低，具有較好的工作特性。
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