耦合發動機 的英文怎麼說
中文拼音 [ǒugěfādòngjī]
耦合發動機
英文
coupled engines-
Test method for determination of silicon and other elements in engine coolant by inductively coupled plasma - atomic emission spectroscopy
感應耦合等離子-原子發散光譜法測定發動機冷卻劑中硅和其它元素的方法With the development of the computer and calculating dynamics, in recent years many researchers from different countries begin to research the coupling between train and line. the research on the coupling between vehicle and brid ge with the finite element method becomes one of the very important constitutional parts
隨著計算機和計算力學的發展,近年來各國鐵路科研工作者開始對列車?線路耦合系統進行研究,其中,車?橋耦合振動的有限元分析研究就是近年來發展起來的一個重要組成部分。Ratio control of cvt is the key for engine running according to ideal curve, and controlling thrust of driving and driven pulley reasonably can improve efficiency and extend life - span of metal belt, and it is coupling relation between control of ratio and thrust
無級變速傳動系統的速比控制是實現發動機按理想工作線運行的關鍵,合理控制主、從動帶輪的夾緊力能提高傳動效率和金屬帶的壽命,而夾緊力和速比控制存在耦合效應。Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward
從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統動力學,建立了輪軌空間耦合振動時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。3. bring forward a new idea : the ideology of synergetics used in atomic simulation and multi - scale simulation of materials design. on the basis of this, next tasks were put forward : ( 1 ) analyzing the changes of stress - strain curves of the interphase before and after pre - treatment ; ( 2 ) the efficient of the coupling effect of o2, na2s04 and h2o stream on the oxidation and erosion resistance of interphase ; ( 3 ) the methods of improving environment performance of interphase above 1273k
提出將協同學的思想用於原子級模擬及跨尺度模擬的思路,並在此基礎上,提出下一步的工作設想: ( 1 )分析熱處理前後界面相區域應力-應變曲線的變化; ( 2 )航空發動機模擬環境中,氧、硫酸鈉蒸汽及水蒸汽耦合效應對界面相抗氧化性、抗腐蝕性的影響; ( 3 ) 1273k以上界面相環境性能提高的方法。Periodic, quasi - periodic and chaotic motions show on alternately when the rotating speed is near to 2 / 3 0. combined step - by - step integral method with traditional transfer matrix method, an increment transfer matrix method is put forward. based on riccati method, the increment transfer matrix method is used in a multi - mass model
將逐步積分法與傳統傳遞矩陣法相結合,提出了增量傳遞矩陣法思想,文中相該方法應用於多段集中質量模型,並結合riccati法,推導了汽輪發電機組軸系彎扭耦合振動響應計算的矩陣表達式,並開發了一套較完善的汽輪發電機組彎扭耦合振動分析軟體。Firstly, the performance is calculated at the design point of the ws - 9 aeroengine by using the numerical model established. secondly, after obtaining the performance coupling parameters, the steady - state performance of the non - designed points is caculated. third, respectively make the limitation of rotate speed of the high pressure rotor and low pressure rotor equal to corresponding parameters of designed point, after the data calculated compared with those of designed point and actual testing of the manufactory, the error is obtained
首先,用所建立的發動機數學模型計算了發動機在設計點的各項性能,第二,根據發動機各部件的耦合特性參數計算得到發動機在非設計點狀態下的各項穩態性能,第三,分別設定限制高壓轉子轉速和低壓轉子轉速逼近設計點條件下對應的參數,將計算得到的性能數據與設計點性能進行了比較,並將非設計點的計算結果與生產試車過程實測的性能數據進行對比,給出了該穩態模型計算結果與實際試車數據的誤差。To solve the heat transfer boundary problem among the piston, liner, coolant and body parts, especially the temperature and heat transfer among the coolant, liner and body
摘要為解決發動機活塞組缸套冷卻水機體之間傳熱邊界條件難以確定的問題,尤其是冷卻水和缸套、機體之間的流固邊界的溫度和換熱系數,將這幾個部件作為一個耦合系統進行傳熱研究。The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance
論文的主要研究工作如下:分析研究車架的邊界條件和結構特性,並用殼、管等單元對該車架進行離散,建立一種切實有效的車架有限元模型;對該車架的有限元模型進行模態分析,求得其的固有頻率和振型,並對車架的動態特性做出初步評估,分析可能引起車架振動的固有頻率;在模態分析基礎上,研究發動機輸出的簡諧力引起的車架位移響應(即諧響應分析) ,以考察摩托車車架各部位的振動情況並與模態分析對比,分析是否與該車架的固有頻率相耦合而導致共振;在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上,分析並提出了採用橡膠減震器對車架進行隔振的減震方法。The programs of system are written with assemble language. in order to resolve the problem of signal jammed, not only we used hardware ( photo couplers, watchdog, special parts, etc. ), but also used some arithmetic ( average, wavelet, etc. ). after analyzing the deficiency of the popular mechanical instrument in motorcycle, this paper focuses on researching and designing the digital instrument. the developing work of ( the research of the led digital multi - parameters instrument in motorcycle ) has been finished and is being commercializing packaged
我們採用了專用的a / d轉換器作為模擬量的測量,採用光耦器件作為車速、發動機轉速信號的輸入,採用高亮度的led器件作為在強光下顯示器件,採用兩個獨立的微處理器以提高系統的可靠性,採用模擬條和數碼管同時顯示以符合駕駛人員的習慣,同時通過改進演算法,實時處理車速和發動機轉速與數據顯示和數據存儲等技術難點。On the base of thoroughly studying dynamic characteristic of tractor - implement combination, a control project of three parameters was put forward in the paper. the three parameters were engine load rate, drive wheel slip and work resistance. an integrated control model based on three parameters was established, which reflects colligated dynamic character of the unit
拖拉機作業機組中,很多參數存在著耦合作用,給綜合控制帶來一定的難度,本文在深入研究機組動態特性的基礎上,提出了發動機負荷率、驅動輪滑轉率和作業阻力三參數的綜合控制方案,它反映了機組的綜合動態特徵,並建立了基於這三參數的綜合控制模型。Tg series small size generating sets are combined with advanced single bearing brushless generator and famous engine, it ? s direct - coupled between generator and engine, the generating sets have the characteristics of wonderful configuration, small measurement, light weight, easy operation and maintenance, it ? s reliable power supply for family as reservation source
甘油三酯系列小型發電機組,結合先進的單軸承無刷發電機和著名引擎,它的直接耦合關系發電機和發動機,發電機組,有特色的精彩配置,測量小,重量輕,易於操作和維修,它的可靠供電家庭作為保留來源Coupling computation on radial vibration of chamber structure and internal ballistic property for solid rocket motor
固體火箭發動機燃燒室結構徑向振動與內彈道性能的耦合計算The software that can calculate 3d complicated grain was developed. a code based on particularity of grain burnback was optimized to improve efficiency. the software has high calculation precision. convenient and speedy and it has been proved in engineering application. this work can provide a foundation for coupling grain burnback process to srm chamber flowfield numerical simulation
編制了三維復雜裝藥燃面的計算程序及應用界面,並根據燃面計算的特殊需要,對演算法進行了優化,從而提高了計算效率,達到了工程計算快速、簡捷、精確的目的,為進一步開展裝藥燃燒與發動機內流場數值模擬耦合計算打下了基礎。3d linear interpolation method was used to transform displacement and force data between fluid and solid structure meshes in an indirect fluid - solid interaction simulation. by computing an axial - flow compressor blade, results show that 3d linear interpolation method is an effective method and indirect fluid - solid interaction suit for engine blade simulation. software integration is feasible method for coupling
提出一種對發動機葉片及通道進行氣動、結構的間接流固耦合交替計算方法,並採用三維線性插值方法對ansys和fluent中的網格數據進行變換,並對不同材料和不同轉速葉片的模型進行流固耦合計算,結果表明三維線性插值方法是一種簡單、計算量小、可行的數據交換方法。Liquid rocket engine is a thermal kinetic system, it runs under extremely strict physical conditions, such as high temperature, high pressure, strong erosion, high density of energy release, strong components parameters coupling. it is very difficult to establish accurate dynamic mathematical model
液體火箭發動機是一種在極端的物理條件(如高溫、高壓、強腐蝕和高密度的能量釋放等)下運行的復雜的流體-熱動力系統,部件參數強烈耦合,很難建立精確的動態數學模型。Global one - dimensional finite volume euler equations coupled with chemical reactions are implicitly solved to simulate the reacting flowfield of the combustor of scramjet fueled by hydrogen or hydrocarbon
本文採用隱式格式強耦合求解有限體積法離散的考慮化學反應的廣義一維euler方程,數值模擬氫或碳氫燃料超燃沖壓發動機燃燒室的化學反應流場。The results attained are as follows. on account of the strongly coupling character of parameters which have an effect on scramjet performance, the approximate evaluation models of scramjet inlet diffusion performance and the ignition problem in direct - connected experiments are established by neural network methodology
針對發動機性能影響因素強烈耦合的特點,採用bpnn和rbnn神經網路方法,分別建立了超燃沖壓發動機進氣道擴壓性能和直連式發動機點火性能的神經網路近似評估模型,得到了很好的逼近效果和預測能力。Based on the simulation result, a conclusion was drawn : the neural network can satisfy the control requirement for the single loop steady state under the parameters varying. realized the decouple and control requirement for the double loops steady state, the coupling between the parameters was decoupled
通過模擬可以看出,利用神經網路進行在線學習、在線控制,它可以在發動機對象參數不斷變化的情況下,對單迴路穩態控制可以達到控制要求,對雙迴路穩態控制,可以實現系統的解耦控制,使系統變量之間的耦合基本消除。In the case of jet engine working, coupling ravel of direct lateral force / attitude compound control was realized
當噴流發動機工作時,對直接力氣動力復合控制實現了解耦。分享友人