溢流壓力 的英文怎麼說
中文拼音 [yìliúyālì]
溢流壓力
英文
oil pressure relief-
Since cordite burns at a greater rate at a higher pressure a relief valve must be used to allow generated gas to escape to atmosphere at times when the demand is low.
因為柯達火藥在較高的壓力下以較高的速度燃燒,所以必須使用一個溢流閥,以便當用氣少時,能讓所產生的部分氣體排到大氣中去。The typical velocity field and the pressure on the step surface of the stepped spillway are measured using the laser doppler anemometer and the piezometer tube respectively
採用多普勒激光測速儀和測壓管分別對階梯溢流壩面典型速度場和階梯表面壓力進行詳細測量。B. overfall valve, reductor valve for ensuring stable system pressure
溢流閥,減壓閥,以保證系統的穩定壓力。Pressure unloading analysis of bi - pass inserting electromagnetic valve
二通插裝電磁溢流閥卸荷壓力分析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。The result show that the position of free surface is higher because of frusta of brake, especial obvious in the head of frusta of brake ; flux coefficient and pressure on dam are quite influenced by type of frusta and 3 a type frusta of brake relative to 2 type frusta of brake has bigger flux coefficient and smaller pressure on dam ; obvious influence of ability of discharge flow for different ratio of thickness of frusta and breadth of brake and pressure on dam reduces with increasing ration of thickness of frusta and breadth of brake, while bigger flux coefficient is obtained when tlb = 0. 2
結果表明,閘墩河海大學博士論文的存在抬高了水面線的位置,其中在閘墩頭部尤其明顯;墩型對流量系數和壩面壓力影響較大, 3a型閘墩相對於2型閘墩具有更大的流量系數和更小的壩面壓力:不同的墩厚閘寬比t / b對泄流能力也將產生顯著的影響,隨著墩厚閘寬比的增加,壩面壓力降低,而當t / b二0 . 2時溢流壩具有更大的流量系數。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。Based on the relocating mesh model, according to heat conduction theory, elastic creep theory and finite element theory, simulation program for roller compacted concrete overflow dam is worked out through 3 - d finite element method
基於本文提出的計算模型,根據熱傳導理論、彈性徐變理論及有限元理論,作者編制了碾壓混凝土溢流壩溫度場及溫度應力場的三維有限元模擬計算程序。Finally, being aimed at a certain machine model, a experiment research about the means of relief valve to reduce hydraulic impact is carried out, which prove the founded prove founded mathematics model. also, some pending coefficient are amended and the optimum pressure of relief valve is determined. at the same time, a experiment and emulation research about the means of accumulator to decrease hydraulic impact is carried put, in which the optimum pneumatic pressure and the optimum primitive capacity of accumulator were determined
最後針對某一具體機型,對用溢流閥方式減小液壓沖擊進行了實驗研究,驗證了所建立的數學模型並修正了待定系數,確定了溢流閥的最優調定壓力;對用蓄能器方式減小液壓沖擊進行了實驗和模擬研究,確定了蓄能器的最優充氣壓力和最優初始容積。The peculiarity of flow - pressure and the working situation of relief of relief valve is analyzed in this paper, and the reasonable range of the pressure adjusting value of relief valve in different applied condition is studied
摘要根據溢流閥的流量壓力特性和溢流工況分析,研究了在不同應用條件下,溢流閥壓力整定值的合理范圍。Furthermore, asymptotic techniques to analyze large hartmann parameter flow and interaction parameter flow are employed and an analytical model has been developed for the calculations of mhd pressure drop of liquid metal flow in a packed pebble bed
利用漸近線分析法對大hartmann參數流進行分析,給出了球床液態金屬溢流的磁流體動力學壓力損失的建模分析和計算結果。The proportional relief valve is used to adjust control the pressure of hydraulic oil, therefore controls the brake moment by adjusting the thickness of oil film
用電液比例溢流閥對控制油壓進行調節,從而調節油膜的厚度來控制制動力矩。A on - identify model of proportional valve pressure controlled system was established though analyzing the configuration of dbetr type proportional pressure relief valve firstly, and then using classical step response method to identify system parameter, a practicable system simple model was deduced at last
摘要從dbetr型比例壓力溢流閥結構出發,先建立比例閥控制壓力系統的待辨識模型,再採用經典的階躍響應法辨識系統參數,得到工程上適用的系統簡化模型。Apart from these, the paper also proposes several improvements for pump control, which include changeable cut off control that can prevent several kinds of relief loss of hydraulic system, cross sensing control of pump that can enlarge the variable working range and compound control that combine two kinds of valve control method together
此外,還提出了幾種泵控改進方案,其中包括可防止多種系統溢流狀態的可變壓力切斷控制、能增大泵的變量工作范圍的交叉功率傳感控制以及將兩種閥控策略結合在一起的復合控制技術。In this paper the temperature field and thermal - creep - stress field in roller compacted concrete overflow dam during construction and operation are simulated and the distribution law of them are systematically studied by an example
本文通過一典型算例對碾壓混凝土溢流壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析,較為系統的研究了碾壓混凝土溢流壩施工期和運行期溫度場、溫度徐變應力場的分佈規律。This paper does simulation analysis on temperature field of baise rcc gravity dam with the software ansys based on the theory of transient temperature field
摘要根據瞬態熱傳導三維有限元分析基本理論,利用大型有限元軟體ansys對百色碾壓混凝土重力壩溢流壩段一枯二枯施工期的溫度場進行了實時模擬分析。Relief valves in the form of the structure and type of moving into straight - pilot, and it ' s up in hydraulic pump export guarantee system, or limitation of the maximum pressure constant pressure, sometimes adjacent to import components in the implementation of the components of its security role
溢流閥按結構形式分為直動型和先導型,它旁接在液壓泵的出口保證系統壓力恆定或限制其最高壓力,有時也旁接在執行元件的進口,對執行元件其安全保護作用。The correction factor of the pressure of cross section before a hydraulic jump in stilling basins under nappe flow of stepped spillways
跌落水流時臺階式溢洪道消力池躍前斷面壓力修正系數( 6 ) 3d integer model of spillway and frusta of brake are established and numerical computation of 3d viscous flow over spillway is completed. the influence of frusta of brake for design parameters such as shape of free surface, pressure on dam, flux coefficient is computed aim at type of frusta of brake and disposal on dam and compute result of different type of frusta and disposal model is compared
6 )通過建立溢流壩和閘墩的三維整體模型,完成了對三維過壩水流粘流場的數值計算,針對閘墩的型式及在壩面的布置計算了閘墩對水面線形狀、壩面壓力、流量系數等設計參數的影響,並將不同墩型與布置形式的計算結果進行比較。In order to decreasing hydraulic impact, the principle is analyzed to eliminate or increase hydraulic impact by means of changing eccentric lump structure to cut down the inertia force of starting, changing the pressure of pilot electromagnetic relief valve and changing the parameters of accumulator
為了減小液壓沖擊,本文分析了用改變偏心塊結構減小起振慣性力的方式、用改變先導式電磁溢流閥溢流壓力方式和改變蓄能器參數方式消除或減小液壓沖擊的原理。分享友人