游動閥 的英文怎麼說
中文拼音 [yóudòngfá]
游動閥
英文
travelling assembly-
The gips / gdps series of automatic shut - off valves are safety devices designed to stop the flow of gas when the downstream pressure of the valve reaches a value larger than and / or smaller than the preset operating limit
升壓感應關斷型?與gdps ?降壓感應關斷型?系列自動關斷閥為安全設備，設計當此閥下游壓力達到大於或?和?小於預定操作限度的壓力值時，來中斷瓦斯流動。It solved successfully long - term existent issues in pneumatic speed limiters of high idle speed, large power loss, and swinging of speed at home by means of designing the brand - new - in - structure valve - located device ? am - spring mechanism
由於設計了結構新穎的閥門定位裝置? ?凸輪-彈簧機構，解決了國內現有氣動式限速器長期存在的空載轉速高，功率損失大，游車等問題。Therefore, this paper studies three kindsvalves such like bufferfly valve, brake valve and ball valve, with the numerical simulation method by cfx which is often used to simulate the fluid. by the simulation of three kinds of valves, we can kown dynamic characteristic of them. in this paper, i not only simulate for three kinds of valves, but also analyse cause of flow - noise and give respectively mathematical model of main noise sources in piping system such as pupm and valve
本文通過cfx軟體，用數值模擬的方法，對海水管路系統中常見的三種閥門（蝶閥、閘閥、球閥）流動特性及噪聲進行了模擬分析，闡明閥門噪聲產生的機理，建立了泵和閥門等噪聲源的數學模型，並對管路系統中涉及到的邊界條件做了適當的處理，分析了閥門下游的渦聲。Heavy hammer also fall towards downstream side licking oil cylinder valve disc valve body control box oil cylinder
重錘（也可倒向下游側）鎖定油缸蝶板閥體集成控制箱擺動油缸Relief vent will discharge water when, during no - flow periods, ( 1 ) the first check valve is fouled or ( 2 ) the inlet pressure to the device drops sufficiently due to upstream pressure fluctuations
如果在無流動期間，安全閥排氣口有水排出，則原因可能是， （ 1 ）第一止回閥受到污染，或（ 2 ）由於上游壓力波動造成裝置的進口壓力下降太大。The simulation shows that the valve throttle area should be little as possible but must be more than 40 % of pipe section area ; when the total length of pipe is same, and the flow quantity is enough, pipe before primary valve should be thin and long, and the pipe after primary valve should be thick and short, the upriver and downriver small pressure fluctuation will badly lead to waterdrammer pressure rising, and spending more time in establishing pressure and flow quantity
模擬表明，閥門過流面積在滿足大於管道截面積40 %的條件下應盡可能小;在管道總長一定並滿足流量要求的條件下，主閥前應採取長而細的管道，閥后則應採用短而粗的管道;上下游微小的壓力波動都會嚴重增大開關閥門引起的水擊，並使壓力、流量的建立需要更長的時間。In addition to enabling a smart grid, the same communications network will deliver superior consumer broadband service, including a range of services such as interactive gaming and emerging multimedia applications
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