摩擦損失 的英文怎麼說
中文拼音 [mócāsǔnshī]
摩擦損失
英文
frection loss-
Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model
利用冪律流體本構方程，首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究，建立冪律流體在間隙中的泄漏模型，利用邊界條件求出速度分佈及泄漏量；由間隙泄漏量得到漏流損失功率，由速度分佈得到流體摩擦功率損失，並得到間隙最優解的數值計算數學模型，同時給出實例及數值計算結果。Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.
管道的等量長度中的摩擦損失即構成彎管中的壓力損失。7. no parts and components or complete power unit warranty will be delivered if gear shaft seize, cylinder scraping or moving friction pad are seriously worn out, resulting in damaging relevant parts or complete power unit, due to lack of oil insufficient engine oil or failure of engine oil or improper use of engine oil following engine instruction
因缺油機油量不足機油失效或未按發動機使用說明書規定牌號使用機油，導致咬軸抱軸拉缸或各運動摩擦付嚴重磨損，而損壞相關零部件或導致整機毀壞的，相關零部件或整機不給予保修。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。Over a period of time the motor is required to make up the friction losses and the losses in the clutches when they are slipping.
在整個工作時間里，電動機需要彌補摩擦損失和離合器滑動時所造成的損失。Experimental investigation of damaged rc frame structure strengthened with cfrp under the vertical load
先張法折線形預應力梁鋼絞線摩擦損失試驗研究Longer distances may, however, require recompression to compensate for friction losses during pipeline transfer
不過，運輸距離較長時，有可能需要再次加壓，以補償管線輸送過程中的摩擦損失。In the end, the best ways to decrease the leakage and friction losses are recommended through the analysis of the results of these mathematical models
根據模擬計算結果，提出了減小泄漏和降低摩擦損失的主要途徑。Therefore software patents weaken innovation and the economic situation by introducing a kind of artificial friction loss which subsidizes part of the legal system
因此軟體專利通過引入一種收買了部分法律系統的人為摩擦損失，削弱了創新和經濟形式。A computer program is also presented on calculating the instantaneous prestress losses and the tension value of prestressing tendon, which can be used conveniently in design or in construction
本文編制了計算預應力摩擦損失、錨固損失和張拉伸長值的程序，能夠在設計或施工中很方便地使用。The one - piece impeller can effectively reduce the by - pass loss, friction loss, etc. and improve the efficiency of the compressor as well as the performance of the diesel engine
新型號的葉輪能有效減少分流損失、潛流損失、摩擦損失、鼓風環流等損失，能有效提高壓氣機的效率、柴油機的性能水平，改善經濟運營指標。The working process in the new sliding vane compressor is simulated. according to the characteristic in all leakage and friction positions mathematical models for the leakage and friction losses are established
還對這種新型壓縮機的工作過程進行了模擬，依據各泄漏和摩擦損失部位特點，建立了泄漏和摩擦損失數學模型。Theoretical formulae are given to precisely calculate the instantaneous prestress losses of prestressing tendon with many waves curve. the formulae are very practical. it is more general than that proposed in current codes
本文提出了精確計算多波曲線預應力筋摩擦損失與錨固損失的理論公式，該公式非常實用，較現行規范中所提供的公式更具有通用性。It has been derived the design equation, the engaging condition and the formula of overriding friction torque. this has laid an important theoretical foundation for further reliability optimum design. then we can make the clutch have small size, light weight, less friction, flexibility of overrunning in opposite direction and smooth joint at high speed
本文吸收了機械操縱式超越彈簧離合器的優點，在結構上進行了新的設計，在理論研究上進行了新的探索，推導出了設計方程、自激接合條件和超越摩擦力矩計算式，為進一步採用可靠性優化設計奠定了重要的理論基礎，使設計的離合器尺寸小、重量輕、摩擦損失小，反向超越靈活，在高速下接合平穩，並通過實驗驗證，說明其理論分析是正確的。First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend
首先由於它的揚程較高、流量較小，所以它的流道狹長，圓盤摩擦損失較大，效率相對較低；其次由於它的流道擴散較嚴重，易在葉片進口產生迴流和在出口產生脫流，揚程流量特性曲線易出現駝峰，在小流量工況下易產生不穩定現象；第三，由於其功率流量曲線呈現上升趨勢，在大流量區運行時電機易過載。For example, the large friction loss of prestressed tendons, complex anchorage bearing joint, the problem of cracks in large area structure, axial compress of long span continuous beam under prestress. all those hinder its use in long span structure. until now days, the cognition about the behavior of such structure under loads is not enough for the realm of prestressed concrete of all the world
但是，預應力技術應用於大跨連續框架結構，在設計和施工中還存在一些缺點和不足，例如預應力筋的摩擦損失過大，節點錨固區設計和構造復雜、大面積結構的裂縫控制問題、大跨框架梁在預應力作用下的軸向縮短等，這些都是困擾大跨預應力混凝土框架結構應用的突出問題，特別是目前對于預應力混凝土超靜定結構的受力性能，國內外預應力界的認識尚不夠全面。Based on the engineering requirement, much application technological research has done on the compression of frame beams, concrete stress, anchoring loss, hole friction loss and the measuring of the inverted arch. and some useful suggestion has been tendered to improve the calculating and design method and optimize the construction
結合工程需要，對框架梁的壓縮、混凝土應力、錨固損失、孔道摩擦損失和反拱等的測試進行了實用技術研究，為改進計算設計方法和優化施工提出了有關建議。At first, the soft of bridge structure, gqjs, is used to calculate the structure of prestressed concrete continuous beam bridge and the deformation and stress of the concrete box beam are given out ; then by measuring and analyzing the datum of the stress in the prestressed steel rope and the stress of section in the concrete box beam, this article presents two ways to identify the reasonable friction deviation factor k between longitudinal prestressed tendons and the wall of duct ( indirectly and directly ), and discover the regular pattern of prestressed friction loss
首先運用橋梁結構分析專用軟體gqjs對預應力混凝土連續梁橋進行結構計算，得到了各施工工況下混凝土箱梁的撓度和截面應力；然後給出了識別引起結構預應力損失的孔道偏差系數k的兩種方法（間接法和直接法） 。通過對測得的預應力索沿程應力和混凝土箱梁截面應力數據的分析處理，得到了合理的預應力孔道摩擦偏差系數及預應力摩阻損失規律。Been conducted accurately on prestress losses due to friction and due to the deformation of ahchorage devices and on interrelation between the different prestressing tendon during the course of tension. digital and sensing technology was first utilized to carry out the investigation on the influence of fluctuations of temperature on prestress. it is concluded that prestressing construction of reinforced concrete frame structure of high building without taking the effect of temperature into account simply could n ' t satisfy the requirement of quality criteria in force
本文對預應力摩擦損失、錨固損失以及不同的預應力筋在張拉過程中的相互影響進行了精確的現場試驗研究，首次利用數字傳感技術完成了溫度變化對預應力影響的研究；得出了在高層鋼筋混凝土框架結構施工中，不考慮溫度影響的預應力施工，根本滿足不了現行質量標準要求的重要結論。It presents three types of friction between parts of the engine ( complete fluid friction, edge friction and half dry friction, dry friction ) and renault equation, and sets forth the friction and the lubrication of cam - driven parts, crankshaft, piston and piston ring. also it shows the forecast technique of the friction losing in designing engine
介紹了發動機零部件間的三種摩擦狀態（完全液體摩擦、邊界摩擦和半干摩擦及干摩擦）和雷諾方程，闡述了凸輪?從動件、曲軸、活塞及活塞環的摩擦和潤滑，並給出了發動機設計時摩擦損失的預測方法。分享友人