活塞變形 的英文怎麼說
中文拼音 [huósèbiànxíng]
活塞變形
英文
piston collapse-
Using gap elements to simulate the practical worki n g situation of a piston, a new finite element contact model is proposed both th e stress and deformation of the piston and the pressure distribution between the p iston and the pin are obtained the contact area and the pressure distribution v ary with the stiffness of the pin and the clearance between the piston and the p in
該文使用間隙元模擬活塞的實際工作狀態，提出活塞的有限元接觸模型，不僅可以得到活塞的應力和變形，還可以計算出活塞與活塞銷之間的壓力分佈以及銷的剛度、銷與銷座的間隙變化對接觸區域的大小和壓力分佈的影響Abstract : using gap elements to simulate the practical worki n g situation of a piston, a new finite element contact model is proposed both th e stress and deformation of the piston and the pressure distribution between the p iston and the pin are obtained the contact area and the pressure distribution v ary with the stiffness of the pin and the clearance between the piston and the p in
文摘:該文使用間隙元模擬活塞的實際工作狀態，提出活塞的有限元接觸模型，不僅可以得到活塞的應力和變形，還可以計算出活塞與活塞銷之間的壓力分佈以及銷的剛度、銷與銷座的間隙變化對接觸區域的大小和壓力分佈的影響It directly affects the engine ' s working reliability whether it ' s good or not. according to the past method, piston can only be decided whether it meets the need of engineering in test after it has been turn out. this paper simulates the real working condition of piston by combining the ked method and fe - contact analysis way. it reflects deforming rule of piston, and makes it possible that the structure problem of piston skirt can only be found during the design period, so the cost of developing new product is lowered and the time is shorted. this paper proves that the thought is practical and the result of simulation to piston lr4100 is in accord with practice
活塞裙部形線是活塞的關鍵結構之一，它的好壞直接影響發動機工作可靠性，以往的判定方法只有在活塞加工完成後，才能通過實驗方法判定設計，能否滿足工程實際的需要，本文通過ked方法與有限元接觸方法的結合，模擬實際活塞工作情況，較為準確的反映出，活塞裙部的變形規律，在設計階段發現活塞裙部的設計結構問題，節省新產品開發成本，縮短開發周期。This thesis gaved a detail account to the main part. for example : the design of the cylinder and the piston rod ; the time calculate of the valve ; the design of the disc spring and how to use it
根據斷路器的要求進行了彈簧液壓機構的主要液壓元件的設計：集成式工作缸和變截面活塞桿結構設計；電磁閥、控制閥系統結構設計及動作時間的近似計算；儲能碟形彈簧的結構設計、應力計算及選用方法。Piston is the key parts of engine of tank and chariot, whose shape is convex and variable ellipse. the piston was made up of separate parts. the different part used different material
活塞是坦克、戰車等發動機的關鍵件，其形狀是個「中凸變橢圓」的異形回轉體，是由2 3種不同材料加工的分體零件組合而成的，而且在機械切削加工完成之後又在外表面噴塗了一層石墨。This paper has investigated the mechanism of the stress and deflection that the piston withstands the gas pressure and temperature load. the result reveals that the thermal stress is prominent in the piston head, and the mechanical stress is prominent in the skirt of piston
研究了活塞在燃氣爆發壓力和溫度載荷共同作用下活塞的應力和變形機理，並進行了數值模擬，結果表明活塞在頂部以熱應力為主，在裙部以機械應力為主。6. no parts and components or complete power unit warranty will be delivered if the cylinder cover and body are distorted and damaged or cylinder liner, piston and piston ring are damaged by piston scraping, or the complete power unit is damaged resulting from lack of water
因缺水，導致氣缸蓋機體變形損壞或導致拉缸損壞缸套活塞活塞環等，或導致整機毀壞的，所有相關零部件或整機不予保修。Therefore, a successful product must be investigated on piston assembly ' s temperature field, mechanical stress field and deformation thoroughly in it ' s r & d period
因此一個可靠的產品必須在研發階段對活塞組進行詳盡的溫度場、應力分佈和變形情況分析。Based on an experiment performed on the piston ring - cylinder bore wear tester, liquid - solid lubrication is investigated in this thesis. the wear of the samples under different lubrication conditions ( the solid concentrations are 0 %, 0. 02 % and 0. 1 % by weight ) are discussed. the variations of the surface topography, especially the statistical parameters and functional parameters are studied, and the reasons that cause the variations are analysed
本研究基於活塞環-缸套摩擦磨損臺架實驗研究了液-固二相流體潤滑的問題，探討了潤滑油中不含固體顆粒、含有0 . 02和0 . 1納米顆粒三種潤滑狀態下的磨損情況，並進一步研究了液-固二相流體潤滑狀態下試件表面形貌特性的變化，主要是統計參數和功能參數的變化，並探討了引起變化的原因，為更深入的液-固二相流體潤滑問題的研究以及表面形貌設計提供理論上的參考。In the paper, in accordance with the thermal power torpedo propulsion system using hap tri - component fuel, with the i - deas software, applying the cad technology and the fem, the research of simulation on the piston - one of key parts of engine was proceeded and the paper presented the whole analysis process of the piston including thermal analysis. in the paper, the question of the boundary condition in the complicated engineering was explored and the temperature field. the stress field and the deformation of the piston were computed and analyzed under a new kind of fuel ( hap )
本文針對三組元魚雷熱動力系統，應用i - deas軟體，利用cad技術和三維有限元方法（ fem ） ，對發動機的關鍵零件? ?活塞展開模擬研究，對活塞進行了包括熱分析在內的全過程的模擬計算，探索了復雜工程中邊界條件的處理問題，分析計算了魚雷發動機活塞在新型燃料（三組元燃料）工作下的穩態溫度場、應力場與變形情況，最後，根據分析結果對其結構提出了改進意見。The thermal state of the piston has been studied under the thermal shock in the first time. the lumped parameter system of the temperature has been established under the triangle rectangle and instantaneous impact. and the simulation results also have been got
首次建立了活塞在受到矩形波、三角形波、瞬態沖擊等熱激勵時的溫度變化的集總參數模型，進而獲得了在上述熱沖擊下活塞溫度的解析解及穩態解。Then the control system for boring the non - cylinder pin hole of piston was developed, whose main function modules including displacement detection, temperature detection for thermal deformation compensation, constant current power and central control unit
然後研製了活塞異形銷孔加工控制系統，包括主控、位移檢測、熱變形補償溫度檢測和恆流源驅動等功能模組。But the sound field generated by this kind of transducers in medium has s ome " congenital " shortcomings : there always exist zero areas in sound - axes of near - field however we change the frequencies and radii of transducers, so we need to look for better radiate transducers. in this dissertation, we design and make two kinds of radiate transducers : bunchiness control transducer with electric polarity division and gaussian transducer
然而，這種類型的換能器在媒質中產生的輻射聲場，有其「先天性」的不足之處，在近場中無論平面活塞的頻率和半徑如何變化，軸上和沿徑向上都呈現出極大和極小交替分佈的干涉現象，因此我們有必要繼續尋求更為理想的輻射形式。Complex displacement simulation of piston - linkage mechanism of diesel engine
活塞連桿機構的復合變形模擬A new machining principle for non - cylinder pin hole of piston was presented by using giant magnetostrictive material ( gmm ) to control the deformation of tool rod
摘要利用超磁致伸縮材料的特性控制刀桿彎曲變形，提出了一種加工活塞異形銷孔的新方法。In mechanical pressure switches, the form or change in position of a switching membrane, bourdon spring or pressure piston is transferred to one or more microswitches that are integrated into the housing and take over the actual switching operation ; the switching hysteresis is fixed or adjustable
在機械壓力開關中，開關隔膜，波登彈簧或者壓力活塞的形狀或位置改變，轉移到一個或多個集成在箱中的微動開關。這些微動開關事實上接管了開關操作。開關磁滯特性固定或者可調。The mechanical model of panel flutter considering thermal effect is established by the use of von karman large deflection strain - displacement formulations, quasi - steady first - order piston theory aerodynamics and quasi - steady thermal stress theory. ( 3 )
採用vonkarman大變形應變?位移關系、基於一階活塞理論的氣動力公式以及準定常的熱應力理論建立了考慮熱效應時復合材料壁板顫振的力學模型。The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,
最後，論文給出了結倫：磁流變液阻尼器是半主動控制裝置中非常吸引人的控制元件之一，混合工作模式的磁流變阻尼器結構簡單，阻尼效果比流動模式和剪切模式均要好，是一種比較理想的磁流變阻尼器；電樞活塞式磁流變阻尼器作為混合模式磁流變阻尼器的一種結構形式，其結構設計合理，性能良好，具有較強的實用價值，值得在工程中推廣應用；在電樞活塞式磁流變阻尼器的設計中，應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對阻尼器的阻尼力有明顯的影響，並注意選用合適的磁流變液材料；輸入電流對磁流變阻尼器的阻尼效果影響很大，輸入大電流時阻尼力明顯增大，減振效果明顯提高。分享友人