瞬時推力 的英文怎麼說

中文拼音 [shùnshítuīlì]
瞬時推力 英文
instantaneous thrust
  • 瞬 : Ⅰ名詞（眼珠一動; 一眨眼） wink; twinkling Ⅱ動詞（眨眼） wink
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  1. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點，運用數力學中矢量分析理論和方法，推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時，瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  2. In this paper, the author has inferred the instantaneous efficiency equation during rise and return and the general efficiency equation during rise, return and the whole motion cycle respectively by analyzing two kinds of force states of in - line roller follower cam mechanisms in detail

    本文作者通過詳細地分析直動滾子從動件凸輪機構的兩種受力狀態，推導出了直動滾子從動件凸輪機構在推程階段以及回程階段的瞬時效率公式以及在推程階段、回程階段以及整個運動循環內的總效率公式。
  3. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  4. The greatest feature of this valve is that the ability to take advantage of pipelines within the medium pressure promote hemisphere, therefore, its sudden opening and closing power is stronger than any other type, with such advantages of no friction, no wearing and long life of use

    該閥的最大特點是能藉助管線內的介質壓力推動半球，所以它瞬間啟閉力比任何一類球閥都輕快的多，同時在同步連桿和拉簧的作用下，使兩半球離開閥座密封面，然後再旋轉球體，閥門的啟閉過程中有密封面無磨擦、無磨損、使用壽命長等優點。
  5. Morever, the author studys the method of incremental dynamic analysis and apply this method to the seismic performance of structures. in the static pushover analysis, basic concepts and different application methods of the static nonlinear pushover analysis are summarized, some key problems of the static nonlinear pushover analysis are improved, that is, the instantaneous adaptive lateral load pattern is gained by the internal force of the structure and the target displacement is obtained by combining the capacity spectrum method with the code response spectrum

    在非線性靜力分析中，綜合闡述了pushover分析的理論基礎和不同的具體應用方法，並在pushover方法的關鍵問題荷載分佈模式和目標位移的確定上提出新的方法，即由結構受力反推得到的瞬時的適應性的荷載分佈模式和結合中國抗震規范反應譜的能力譜法確定目標位移的方法。
  6. A detailed model of non - linear parametric excitation vibration coupling the stay cable and the girder, in which the static sag as well as the geometric non - linearity are considered, is proposed in this paper. based on several numeric examples investigated by the galerkin method composed with the integration strategy, several kinds of factors effecting stay cable parameter vibration are studied. another parameter vibration model by the axial excitation is presented and the corresponding nonlinear equations are derived

    本文創新地提出了斜拉橋拉索-橋面耦合參數振動模型，推導了索-橋耦合非線性參數振動方程組，聯合galerkin法及數值積分方法，對各種特性的拉索進行了數值求解，得出了影響拉索參數振動的各種因素；提出了斜拉索受軸向端激勵參數振動模型，導出了模型的非線性振動方程，使用諧波平衡法得出了產生參數振動需要的最小激勵幅值、共振時瞬態及穩態的振動幅值及索拉力的變化特性，並用數值積分方法對實際斜拉橋拉索進行了計算，分析了拉索阻尼對參數振動的影響。
  7. In the static nonlinear pushover analysis, basic concepts and different applicable methods of the static nonlinear pushover analysis are summarized. then the lateral load pattern and the target displacement, which are key problems of the static nonlinear pushover analysis, are improved. the new developed lateral load pattern is the instantaneous adaptive lateral load pattern gained by the internal force of the structure, and the new developed capacity spectrum method combined with the code response spectrum is used to gain the target displacement. at the same time, a pushover analysis of circulating load pattern is developed, and a relevant static nonlinear pushover analytic program is provided. the analytic results of two examples demonstrated that the instantaneous adaptive lateral load pattern is able to reasonably capture the important response attribute and that the pushover analysis of circulating load pattern compared with the pushover analysis of single direction load pattern can more accurately reflect the effect of the earthquake

    在非線性靜力分析（ pushover分析）中，綜合闡述了pushover分析的理論基礎和不同的具體應用方法，並在pushover方法的關鍵問題荷載分佈模式和目標位移的確定上提出新的方法，即由結構受力反推得到的瞬時的適應性的荷載分佈模式和結合中國抗震規范反應譜的能力譜法確定目標位移的方法，同時提出一種新的循環往復加載的pushover應用方法，並編制了專門的pushover分析應用程序，應用此程序對不同算例進行分析，算例分析證實由結構受力反推得到的瞬時的適應性的荷載分佈模式能夠較好的模擬地震過程中實際的結構受力反應情況，循環往復加載的pushover分析方法較單向加載的pushover分析更能準確的反映實際的地震作用對結構的影響。
  8. Chapter 4 is dedicated to the study on - invariant distribution. first, as q - matrix is totally stable or uni - instantaneous, we prove the existence of - invariant distribution of q - function and identify the q - function. second, we generalize - invariant distribution to jump processes and obtain some good properties and results

    第四章致力於-不變分佈的研究，首先對q -矩陣為全穩定和單瞬時情形，證明了q -函數-不變分佈的存在性，並且也把具體的q -函數構造出來了；然後把-不變分佈推廣到跳過程，得到了一些較好的性質和結果。
  9. First, we extended the liberman model of collisionless rf sheath. taking into account elastic collisions and charge - exchange collisions between ions and neutral particles, we established a self - consistent model describing the dynamics of rf sheath driven by a sinusoidal current source. the effects of collisions and rf - biased source power on the instantaneous thickness of the rf sheath and the sheath electric fields were studied

    首先將liberman的無碰撞射頻鞘層模型進行推廣，考慮了離子與中性粒子的電荷交換碰撞效應，建立了描述碰撞射頻等離子體鞘層動力學特性的自洽模型，研究了碰撞效應，射頻偏壓，電源參數等對射頻鞘層的瞬時厚度及電場分佈的影響。
  10. In the study of the flash temperature, the formula is given for the flash temperature by the heat exchange theory. the effects of geometric and operating parameters on the flash temperature are studied

    在面齒輪傳動齒面瞬時溫升的研究中，利用傳熱學基本原理，推導了齒面瞬時溫升的基本公式，求解了各有關計算參數，研究了模數、壓力角、傳動比等參數變化時對齒面瞬時溫升的影響。
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