阻力力矩 的英文怎麼說

中文拼音 []
阻力力矩 英文
moment of resistance
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 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...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Flow characteristics and resistance of circumfluence in rectangle shrimp pond

    形蝦池環流的流動特點與流動
  2. The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera

    本文對某卷弧尾翼彈氣動特性進行了系統研究,主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算,得到升系數、系數、俯仰系數、俯仰尼導數、滾轉尼導數曲線。
  3. Because of the change of ship attitude ( rolling angle r, pitch angle p and course angle h ) led by ship rocked interference and windage, the los stabilization will be influenced obviously

    由於艦船的艏搖、縱搖、橫搖等引起艦船姿態的變化以及風的作用,對跟蹤系統的視軸穩定性產生明顯影響。
  4. During the processes, the container - truck strikes the guardrail twice and nearly capsizes, then recovers from the capsizal and separates from the guardrail ; the crashworthiness of several kinds of guardrails is evaluated by changing its size and thickness, and its design is guided under the simulation result ; the joint simulation is discussed and calculation method of its resistance moment is proposed

    對車輛的碰撞過程進行了描述:車輛在碰撞過程中發生了二次碰撞並且有傾覆現象,最後車輛恢復正位,順利沿護欄導出;通過改變護欄欄桿的尺寸和壁厚,評估了多種護欄的耐撞性並指導了護欄的設計;討論了集裝箱汽車列車鞍座結構的處理,提出了鞍座的計算方法。
  5. On one hand, it may exert damping on the armature of torque motor and overcome self - excitation of jet pipe. one the other hand, it may enlarge magnetic permeability of working clearances and improve magnetic circuit efficiency of torque motor to boost dynamic response speed of servo valve

    一方面可增大馬達工作氣隙部分產生的尼,從而可以抑制射流管的自激,另一方面又可增大工作氣隙的導磁率,改善馬達部分的磁路效率,從而提高伺服閥的動態響應速度。
  6. Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability

    基於磁流體所具有的特殊性質,將磁流體添加到伺服閥馬達的工作間隙中,一方面磁流體被磁化后可增大銜鐵的,減少振動;另一方面由於馬達氣隙中磁導率的提高,使氣隙中的磁通量增大,馬達的磁路效率和輸出扭將增大,因此可以提高馬達的固有頻率和伺服閥的響應速度。
  7. By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved

    由於磁流體具有較大的導磁率,可提高馬達磁路效率、增大馬達的輸出和位移,從而增加伺服閥的輸出流量;同時,利用磁流體的粘度特性,可增強馬達尼及抗干擾能,從而增強伺服閥及伺服控制系統的穩定性。
  8. Using the optimum calculating method, some important technical parameters could be determined, that is, optimum supporting force, allowable deformation of rock mass, cross section area of u - shape set, pre - tight force and diameter of the bolt as well as torque to provide optimum supporting force

    用這一計算方法能求出巖石恆支護的重要技術參數,即最優(小)恆支護、圍巖最大允許變形量、恆u型鋼支架的截面積、聯接螺栓的預緊和直徑及最優支護的擰緊
  9. The software designed for the system is validated by experiments and proved correct. the system can s imulate the real air - stream and put it on missile ' s wings to make them work under the same force environment as the real spread process, so the relationship of explosive stuff and attack angle can be calculated

    本文所設計的監控軟體已通過實際系統的驗證,說明整個系統的設計是合理正確的,能夠真實的模擬,產生一種類似真實氣流的載荷,並將其正確施加於彈翼(尾翼)上,使彈翼(尾翼)能在與展開過程中實際受相同的狀態下工作。
  10. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的形直通道、帶順排擾流片形直通道、帶叉排擾流片、帶傾斜擾流片的形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  11. The analysis results show that the palcement styles and the rotating angles of such a large scale deployable boom systems are functional importantly. the motions and damps of the boom systems also take importance. if motions become larger, the time for the booms to reach their spreaded states is shorter, and the impact velocities become larger, the impact accelerations become larger too

    分析結果表明,對于大尺度的伸桿機構,其布置方式和展開角度對其展開運動有重要的影響;同時也研究了鉸鏈處外對展開運動的影響,隨著該的增大,伸桿到達鎖定狀態的時間減少,碰撞時的速度增加,由此產生較大的加速度;分析了伸桿彈性和尼對伸桿展開過程的影響,彈性增大碰撞加速度增大,尼增大加速度減小,因此可將鉸鏈處外和伸桿尼作為伸桿展開運動調節的手段。
  12. According to the direction and damping characteristic of the torque produced by the magnetorquers, the three axis attitude control schemes of gravity gradient satellite and other satellite with damper is presented. the control coefficients are determined by the dynamic characteristics of geomagnetic intensity, so the attitude control precision is improved

    根據磁在地磁場中的定向尼特性,提出了磁控重梯度衛星和攜帶尼器的非重梯度姿態控制規律,根據地磁場強度變化規律選擇控制系數,提高衛星的姿態控制精度。
  13. Friction resistance moment slewing ring

    回轉支承裝置的摩擦
  14. The platform can analog rolling and swaying motion of ships. the moment of inertia, damping and restoring force can be adjusted

    該試驗臺架能夠模擬船舶的橫搖運動和橫蕩運動,試驗臺架的轉動慣量、和恢復可調。
  15. To test the performance of anti - rolling tank more conveniently, the paper sets up the test platform of two freedoms. the platform can analog rolling and swaying motion of ships

    該試驗臺架能夠模擬船舶的橫搖運動和橫蕩運動,試驗臺架的轉動慣量、和恢復可調。
  16. The simulations get the variation curve of the torque acted on the helical gear spline during translating process, and get the important damping force acted on the middle part during engaging and disengaging process

    模擬還求得了作用在螺旋齒花鍵上的扭在動態過程中的變化曲線;求得了作用在中間件上,起關鍵作用的在嚙合、脫開中的動態變化曲線。
  17. All kinds of resisting moment effects upon pump start - up process are fully considered and the different operational results of outlet gate with little flap valve are also reviewed

    在計算過程中,比較完整地考慮了各種對起動過程的影響,同時重點考察了平直管出水流道,具有快速閘門帶小拍門斷流裝置形式的起動效果。
  18. The result of simulation of model 8 ? 1 / 2 ? xhp2s bit shows that, the torque on the bit changes randomly, and the degree of the change increases with the increase of the weight on bit ; the change of the torque on the upper part of the drillstring is not so large as that on the string ' s lower part, and the rotary speed of the bit changes smoothly overall

    對8英寸xhp2s鉆頭做了模擬,結果表明,鉆頭處受巖石的是隨機變化的,並有負扭出現,扭的變化幅值隨靜鉆壓的增加而增加;鉆柱頂部轉盤施加的扭變化不如底部劇烈;鉆頭的轉速在局部有較小的波動,其總體變化較為平緩。
  19. Damping torque coefficient

    系數
  20. By means of the simulation calculation, varying of the torques on the bit and the drillstring top and the rotary speed of the bit can be predicted

    通過模擬計算可預測鉆頭處、鉆柱頂部扭和鉆頭轉速的變化情況。
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