超流閥 的英文怎麼說
中文拼音 [chāoliúfá]
超流閥
英文
excess flow valve-
The experiment ' s results show that the total and plat efficiency of the compound tray is over 100 %, the highest efficiency can be up to 122 % within the range of f factor i ~ 2. 5m / s ( kg / m3 ) i / 2, it is far higher than the efficiency of dual flow tray, sieve tray and valve tray
實驗表明,復合塔的全塔效率和單板效率在f因子1 2 . 5m s ( kg m3 ) 」 』范圍內,可超過100 ,最高效率達122 ,遠高於穿流篩板、篩板和浮閥塔板的效率。When the governing valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod increased, meanwhile, it ' s time of rise, time to peak and the governing time all increased. at the same time, the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased
當出口節流調速系統的回油路上串接調速閥時,隨階躍負載的增加,在相同流量閥開度、相同溢流閥調節壓力的情況下,液壓缸有桿腔壓力p _ 2 ( t )的超調量是增加的,上升時間、峰值時間以及調整時間也是增加的;液壓缸無桿腔壓力p _ 1 ( t )的超調量是增加的。Closer throttling, creating higher pressure drops may cause cavitation or excessive velocities which could cause high noise levels, vibration and possible damage to the valve or adjacent piping
如果節流較小,將因此產生更高的壓降將可能導致空穴現象或超快流速,從而導致噪音太高,振動劇烈,可能損壞閥門或相鄰的管路。The operation measures for controlling over - filling ( over - emptying ) are feasible ; the hoisting loads of valve and miter gate are less than their design values respectively ; but, there exists cavitation phenomenon needed to pay attention to the first crossover culvert when the value is near and after whole opening
控制超灌(泄)操作方式可行;閥門、人字門啟閉力均小於設計值;閥門接近全開至全開后,輸水廊道第一分流口有空化現象。When the electrohydraulic push rod works, if the external force suffered by the piston rod is more than the setting output torque, the piston moves to the end ; oil pressure in the oil pipeline increases rapidly to the setting value, the safety valve overflows rapidly, to achieve overload protection
電液推桿工作時,當活塞桿所受外力超過調定的輸出力距活塞運動到終點;油路中的油壓迅速增高至調定值,安全閥迅速溢流,實現過載保護。And then, in the simulation of three - dimensional, the application of o - type grid and hybrid grid are used in two relatively complicated structures make the total amounts of grids and the time of grid generation reduced greatly. moreover the hexahedron grids are placed in most areas to provide higher precision. through the comparison between the results of two - dimensional and three - dimensional simulation, we knew two - dimensional calculating is not adequate
本文用簡單、方便的二維模型作為數值計算的起點,使用耦合隱式演算法以及先進的v2f湍流模型進行求解,成功地捕捉到了激波,觀察到主氣流從壁面的分離、切換、再附壁等現象,並對計算結果進行了細致的分析,得出一些有意義的結論;在此基礎上,本文在國內外首次對超音速射流雙穩閥的三維流場進行了計算。Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design
根據閥門cad發展趨勢,針對成都乘風閥門有限責任公司閥門設計現狀,本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統,主要完成的工作和成果如下:根據公司提供的幾種不同結構閥門的二維工程圖紙,利用mdt三維設計平臺建立了三維參數化基本圖形庫,其中包括所有零部件和總裝配模型圖及二維工程圖;依照閥門設計的一般步驟設計了參數編輯器,用來對閥門尺寸參數進行編輯、輸入、輸出等,具有參數雙向同步顯示功能,使用十分靈活方便;根據用戶的需求,為了使設計達到精確、可靠、實用的要求,設計開發了輔助計算器,能自動完成閥門設計過程中所需的各種結構計算,並可以輸出閥門設計計算說明書;為了使設計人員更具有競爭力,本系統利用internet intranet技術設計開發了虛擬設計中心子模塊,虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能,可以讓設計師直接使用服務器上的應用程序,與intranet internet上的其他設計專家進行交流、共享軟體資源,實現遠程協同設計。The cost of valve gated hot runner is us $ 2, 500 per cavity
針閥熱流道每腔的成本超過兩萬元。If flow requirements fall outside the capacity of a single valve, an additional smaller valve installed in parallel may be required
如果流量要求超出單個閥門的空穴區外,則可能需要並聯安裝一個較小的附屬閥門。In this way, supersonic fluid amplifier especially bistable valve with negative pressure switch is used in the rocket projectile thanks to its advantages of switching rapidly, the ability of low temperature air to control the high temperature gas and no moving parts in high temperature gas
超音速射流雙穩閥,特別是採用負壓切換的超音速射流雙穩閥因其具有切換快速、可用低溫氣流控制高溫燃氣和在高溫燃氣中無活動部件的優點而適用於火箭彈的姿態控制系統中。Recommended for close throttling and most all severe conditions, not to exceed the valve ratings. available for 200 and 300 swp globe and angle valves
建議用於關閉節流和大多數嚴酷的環境,但不能超過閥門的額定值。配置在200和300swp截止閥和角閥上。Accorded to the experimental research, under different flow area of flow valve and different adjusted pressure of relief valve, conclusion that the regulation of the pressure p1, p2 in the two cylinder chambers varied with the change of step load were as follows : when the throttle valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod decreased, meanwhile, it ' s time of rise, time to peak and the governing time all decreased. while the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased
通過試驗研究得出系統在不同的流量閥開度、不同溢流閥調節壓力(進口壓力)下,液壓缸兩腔壓力p _ 1 、 p _ 2隨階躍負載變化的規律:當出口節流調速系統的回油路上串接節流閥時,隨階躍負載的增加,在相同流量閥開度、相同溢流閥調節壓力的情況下,液壓缸有桿腔壓力p _ 2 ( t )的超調量是減小的,上升時間、峰值時間以及調整時間也是減小的;液壓缸無桿腔壓力p _ 1 ( t )的超調量是增加的。Now open the throttle fully and turn the propeller over a further10 times by hand this sends fuel to carburettor and primes the engine
打開節流閥到高速位置,用手撥動螺槳超過10次將油送到化油器。Open the throttle to the idle position and turn the propeller over 10 times by hand to pressurize the tank
打開節流閥到低速位置,用手撥動螺槳超過10次將油箱加壓。The realizing methods for the algorithms are presented also. a hydraulic experiment system is established to simulate the different states of hydraulic system, with a pump, several valves, turbo - flowmeter, pressure gauge, and many hydraulic pipelines of different diameter
利用液壓泵、各種控制閥門、標準表及不同管徑液壓管路構建了一個液壓實驗系統,可實時模擬武器裝備液壓系統的各種工作狀態,為超聲波的壓力、流量測量提供了一實驗平臺。The research improved on the structure of flux control valve, and reduced obviously the excess of the system, and built up the stabilization of the system, while implemented the distributed system software. the instance showed that the distributed system software can be realized, and proved the exactness of the system resolve project, the design of the system consistent with the requirements
在實現了分散式測控系統軟體的同時,改進了流量調節閥系統的結構,顯著地降低了該系統的超調量,增強了系統的穩定性。這個實例說明了的分散式測控系統的軟體是可以實現的,證明了系統的解決方案是正確的,系統的設計是符合要求的。If flow rate is in excess of that specified, turn indicator towards closed position, noting pressure drop and valve setting and determining new flow rates from flow rate chart
如果流量超過規定,將指示器旋轉到關閉位置,注意壓降和閥門設置,並從流量表中確定新的流量。If flow rate is in excess of that specified, turn indicator knob towards closed position, noting pressure drop and valve setting and determining new flow rates from flow rate chart
如果流量超過規定,將指示器旋鈕旋轉到關閉位置,注意壓降和閥門設置,並從流量表中確定新的流量。分享友人