推力面 的英文怎麼說
中文拼音 [tuīlìmiàn]
推力面
英文
thrust face- 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...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
-
Xm ) trundle needle, trundleing the post thrust bearing trundles the needle through the roll part of the body, cylinder roller and thrust maintain shelf and the thrust bed down the livestock to make up, trundleing needle and the cylinder roller is subjected to the shelf maintaining that the thrust maintains and guides. moreover thrust bed down the livestock against the difference, shaft, the pedestal encircles and employs in company, fix module shaft shoulder end face and the shell opening back plane dimensional tolerance, geometry accuracy, rigidity, axial is moved up and down, coarse degree ought to accord with the internation , national standard stipulation demand
滾針,滾柱推力軸承由滾動體滾針,圓柱滾子及推力保持架和推力墊圈組成,滾針和圓柱滾子受到推力保持的保持架引導,並與不同的推力墊圈,軸,座圈一起使用,安裝組件的軸肩端面和外殼孔底面的尺寸公差,幾何精度,剛性,軸向跳動,粗糙度應符合國際,國家標準規定的要求。The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained
本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型,以捕獲半徑的圓域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態變量的起點,對時間進行倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略時相對運動的軌跡和推力。In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。The main works and achievements are described : ( 1 ) the application of direct lateral force on the exoatmosphere kinetic - kill vehicle. at first, the collectivity project of the exoatmosphere kinetic - kill vehicle is specified, the motive model of the exoatmosphere kinetic - kill vehicle and target are constructed, and the thrust performance of trajectory - control engine and attitude - control engine are presented
研究的內容及成果主要表現在以下幾個方面: (一)直接側向力在大氣層外動能攔截器中的應用首先確定了動能攔截器的總體方案,分別建立目標運動和動能攔截器運動的數學模型,以及軌控和姿控發動機的推力模型。The ground effect increases the thrust force and efficiency
表面效應使機翼推力增大,推進效率提高。A brief introduction to the project and its main results are as follows : overall considering the feature of the force from two couple support wheels 6 formulas of calculating the push force, support force and moment of tpih have been concluded
主要內容和結果如下:在全面考慮兩對支撐輪作用下加熱彎管過程受力特點的基礎上,推導出了加熱彎管彎曲時推力、彎矩、支撐力等6個計算公式。On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced
在推力矢量試車臺設計方面,設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案,提高了試車臺動架的固有頻率,解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法,推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法,並計算了推力矢量測量精度。The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc
研究表明,集氣腔總壓對推力器工作過程具有多方面的影響,在保證電弧穩定的情況下,適當提高集氣腔總壓可同時提高比沖和推進效率。It is appropriate for measuring end temperature of bearing liner or other works, e. g., push bearing liner of steamer, supporting bearing liner or push bearing liner of electromotor main axis, bearing liner of coal pulverizer, bearing liner of high efficient feed water pump, bearing liner of compression machine and kinds of other objects inpetrochemical plant
適用於測量軸瓦或其它機件的端面溫度,如:汽輪機推力軸瓦,電機主軸支持瓦推力瓦,磨煤機大瓦和高效給水泵軸瓦石油化工廠壓縮機軸瓦和各種機件物體的表面測量。From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program
針對加熱彎管過程的受力和變形特點,採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將溫度場作為體載荷處理,建立了符合實際的加熱彎管問題數值模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。In recent years, we gained remarkable achievement in national electric power system fitting bearing and the maintenance of bearing for power plant, and approval of access to internet of state electric power system and provincial electric power system, at the same time, we produce spherical roller bearing, shperical plain bearings., slewing rings, thrust tapered roller bearing, trench ball bearing
近年來,在國家電力系統配套軸承及電廠維修軸承供應方面取得了一定的成績,並取得國家電力系統及各省級電力系駐入網許可,同時公司生產的球面滾子軸承關節軸承回轉支撐軸承推力滾子軸承深溝球軸承及各種非標準軸承也廣泛應用於In order to determination the thrust, the thrust definition and many control parameters are analyzed discussed, which mass flow rate and flight altitude are involved. it is difficult to measure the flight thrust of solid rocket ramjet directly
通過討論高空飛行推力與地面可測試參數的關系,得到了固體火箭沖壓發動機高空飛行狀態下推力折算方法,並開發相應的計算程序。The mechanical properties of improved double-base propellants enabled one to envisage grain geometrics with large combustion areas and consequently high thrusts.
經過改進的雙基推進劑的機械性能使我們能夠指望獲得大燃燒面的藥柱幾何形狀,從而得到大推力。In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method
在理論計算部分,本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散,接下來針對前面所設計的全方位推進器進行了數值預報。What ’ s more, the precision of thrust vector measurement is also calculated, depending upon the error analysis of nine - component model. a large - scale srm hot test is successfully done on the nine - component thrust vector stand. and the satisfactory results validate that the nine - component model is reasonable and the nine - component thrust vector stand design is feasible
在九分力推力矢量試車臺上成功地進行了一次大型固體火箭發動機地面熱試車,得到了滿意的試驗結果,驗證了九分力模型的合理性和九分力推力矢量試車臺設計的可行性。The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized
它利用拱肋承擔壓力,系梁預應力束抵抗拱端推力,吊桿及縱橫橋面系結構承受橋面荷載,既克服了傳統拱橋巨大的拱端推力,又改善了連續梁橋較大的彎矩和剪力的受力狀況,最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點,經濟效益顯著。In consideration of the soil arch effect between anti - slide piles, a calculation formula for the anti - slide pile spacing was developed, taking the following factors as the controlling conditions - the static equilibrium equation of the frictional resistance and adhesive force between the side of piles and slope soil, which sustains the thrusting force of the landside, and the strength conditions at the medial cross - section and two end sections of soil arch
摘要考慮抗滑樁樁間土拱效應,以樁側與邊坡土體間的摩阻力及黏著力承擔滑坡推力的靜力平衡條件和土拱跨中與拱腳處截面的強度條件共同控制,建立了抗樁間距的計算公式。Rolling bearings. single - row angular contact ball bearings. chamfer dimensions for outer ring non - thrust side
滾動軸承.單列角面接觸的球軸承.外圈非推力邊的倒圓角尺寸Among them, operating with the power from the tip of the thumb is called finger - tip pushing ; in which the interphalangeal joint of the thumb is fixed at the back - stretching position, operating with the force from the whorled surface is shao - shang point at the side of the thumb - radius is called lateral pushing, in this operation, the operator slightly flexes his wrist joint with index finger, middle finfer, ring finger and little finger naturally stretching forward in the finger - separating pattern
以拇指端峰為著力點操作的稱指峰推;操作時,拇指之間關節固定在背伸位,以羅紋面為著力點的稱羅紋推;以拇指橈側少商處為著力面的又叫偏峰推,此法操作時腕關節略屈,食、中、無名、小指向前自然伸開,成散手狀。The sarma method and the push method employ supposed sliding faces and sliding blocks, though they consider structure faces
Sarma法和不平衡推力法,雖考慮了結構面的存在,但是存在更多人工修飾的假定滑面和滑塊。分享友人