過程閥 的英文怎麼說
中文拼音 [guòchéngfá]
過程閥
英文
pv process value-
First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well
文中針對氣動技術本身的特性及優點，如：可壓縮，具有緩沖性；能耗損失小，便於遠距離輸送；流量大、流速高，執行元件響應速度快等，以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的，設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器，並將其成功地運用到振動篩上，取得了較好的效果。By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。The pneumatic - valve structure with simple, reliable operation, export thrust large maintenance convenient and inexpensive, such as fire blast merits pneumatic - valve widely used for chemical, oil, metallurgical, electrical, textile and other industrial production processes autopilot and remote control
由於氣動調節閥具有結構簡單，動作可靠，輸出推力大，維修方便，防火防爆和價廉等優點，氣動調節閥廣泛應用於化工、石油、冶金、電力、輕紡等工業生產過程的自動調節和遠程控制中。In addition, in the previous design, the leak of fuel is serious during the valve ' s operation, which is impermissible for the credibility of sealing. in the newly design, by using ansys, the reason that causes the leak has been analyzed in detail. it is found out where the key part is and some suggestions are put forward to improve the structure of the valve
其次，由於在前期設計中，電磁閥在工作過程中泄漏較嚴重，在優化研究中，採用有限元分析的方法對電磁閥研配部件間的泄漏情況進行了研究，對機加工精度、研配長度對密封可靠性的影響進行了分析，找出了泄漏最嚴重的部位，並提出了改進措施。Industrial - process control valves - flow capacity - sizing equations for fluid flow through multistage control valves with interstage recovery
工業過程式控制制閥.流通能力.通過有段間恢復功能的多段控制閥的流體流量的校準公式Industrial - process control valves - part 2 - 5 : flow capacity ; sizing equations for fluid flow through multistage control valves with interstage recovery
工業過程式控制制閥.第2 - 5部分:流通能力.通過有段間恢復能力的多段控制閥門的流體流量的校準公式Industrial - process control valves - part 2 - 5 : flow capacity - sizing equations for fluid flow through multistage control valves with interstage recovery
工業過程式控制制閥.第2 - 5部分:流通能力.通過有段間恢復能力的多段控制閥門的流體流量的校準公式Industrial process control valves - part 2 - 5 : flow capacity - sizing equations for fluid flow through multistage control valves with interstage recovery iec 60534 - 2 - 5 : 2003 ; german version en 60534 - 2 - 5 : 2003
工業過程式控制制閥.第2 - 5部分:流通能力.通過有段間恢復Then a vsc controller using on - off valve and two potentiometers are designed for cushioning control system. it can realize the balanced, no shock, no reversing cushioning. experiments under different air pressure, load mass are carried out, and the results prove that the vsc controller can be used in pneumatic cushioning
第五章首先介紹了變結構控制的原理和應用發展情況，然後針對本實驗系統設計了一個使用開關閥和端位位移傳感器的變結構控制方案，實現緩沖過程的平穩無沖擊和無回彈要求，並在不同氣源壓力、不同負載質量下分析了控制性能的變化，實驗結果證明緩沖控制採用變結構控制是可行的，並具有很強的魯棒性。Numerical simulation and analysis of the 3 - d flow and opening - closing processes in control valve
調節閥內三維流動與啟閉過程的數值模擬及分析Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper
在查閱大量國內外相關文獻的基礎上，本文綜述了國內外對該系統研究概況，闡述了該類系統原理和特點;闡述了矢量控制的基本原理，並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型，並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊，加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題，本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。Analysis on defects and filling process of tial based alloy exhaust valve during the centrifugal foundry process in permanent mold
基合金充型過程及排氣閥門內部缺陷分析Therefore, based on a thorough study on the theory of technology evolution in triz, ten patterns of evolution are presented and twenty - three paths of evolution are summarized. the evolution process of butterfly valve ' s seal structure is analyzed based on the background of the home - produced butterfly valve ' s technology
為此，在對triz中技術進化理論進行了深入研究的基礎上，提出了十種進化模式，總結了23條進化路線，並以國內的蝶閥技術現狀為背景，研究了蝶閥密封結構的進化過程，提出了改進方案。The air thermal cnergy water heater creates the new generation hot water cquipments. it makes use of the negative card promise successfully, drieing a hot pump with the elcctrie power. equiping through a hot pump medium of compesing parts evaporate a machine. hot pump, congealed machine and inflate valve, urge the work quality completes evaporationt absorb calories within air continuously compress compress congealed reduce expenses evaporate of the thermody name energy cirenlation proess, transfer the calories in the environment to the water thus in, transfer the in great quantities free calories in the air to the life to use a water in
空氣節能熱水器是創新一代熱水設備，它成功地運用逆卡諾原理，用電能驅動熱泵，通過熱泵裝置中的構成部件-蒸發器，熱泵，冷凝器和膨脹閥，促使工質不斷完成蒸發（吸收空氣中的熱量）壓縮冷凝節流蒸發的熱力循環過程，從而環境的熱量轉移到水中，將空氣中大量免費的熱量轉移到生活中水中In the hydraulic transmission systems, after the valve is suddenly open and shut off, there will be a fluid transient in the form of pressure pulsation propagating along the pipeline
液壓系統中，閥門的快速開啟或關閉會在管路中發生壓力瞬態脈動過程。Industrial - process control valves. part 5 : marking
工業過程式控制制閥第5部分:標志Industrial - process control valves - part 5 : marking
工業過程式控制制閥.第5部分:標記Abstract : in this paper, the existed problem of oil discharge s crew at the bottom of internal combustion engine oil reservoir is pointed out, th e consequence is analysed, then puts forward the performance objective required i n the course of draining failure oil on the base of the article, the special oil discharge valve of internal lubricating oil is introduced
文摘:指出了內燃機油底殼上放油螺絲在使用中存在的問題，分析由此而引起的後果，提出了排放失效機油過程中所需達到的要求，介紹了內燃機機油專用放油閥門。The offers advised here cover among other things field, japan, process, henceforth also valves, relays and additionally process. individual price request can also be received with ash & alain by mail
以自己高精確度著稱的工業型企業ash & alain是一家製造場，日本，整流器、整流管、閥、閥門， [英]處理機、處理程序，過程工序，繼電器、中繼站的現代化的、靈活的合作夥伴。請您訪問我們的主頁，獲悉其它的當前信息。Based on the theory of valve stroking, the mathematical models and their numerical methods of valve stroking in specified time with pressure constraint are proposed for the hydraulic pipe - turbine system in pumped storage plants, the models and their solving methods are also proposed for the complex hydraulic pipe - turbine systems with the practical programmes under the conditions of hydraulic transients
摘要對于整體可控的水力機組系統，在過渡過程計算中可直接應用閥調節原理，本文提出了不帶調壓室的簡單管道及分叉管道系統限時閥調節和限壓閥調節數學模型及其求解方法，並對此進行算例分析。分享友人