lift angle 中文意思是什麼
lift angle
解釋
升力角-
Compared to an ordinary rudder, the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees. ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action, and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water
其研究的魚形舵是一個沒有在水下移動的魚尾形剖面單片結構，增加了全舵的剖面拱度，使螺旋槳尾流的折射水量增強，進而增大了水動力的作用，使之比普通流線形舵的升力提高30左右。 -
Based on the " fangsheng - i " robot fish of harbin engineering university auv lab, at first the analysis of the relations of pectoral fin ' s attack angle and lift in vertical plane is done in this paper, using the robot fish ' s hydrodynamic results by the panel method ' s, then setting up the motion model in vertical plane is done. finally animation the robot fish ' s motion in horizontal plane is finished
論文以哈爾濱工程大學軍用智能水下機器人國防重點實驗室的「仿生? 」號仿魚機器人為對象，利用面元法計算的仿魚機器人水動力結果，並分析了垂直面內胸鰭的攻角與升力的關系，建立了垂直面內的模型，根據軸變形模擬了仿魚機器人水平面內的直航和偏航。 -
The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces
應用所開發的求解器，以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力，成功地預報了舵的失速角和最大升力，並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較，吻合程度相當好，初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。 -
Much more increase of maximum lift - to - drag ratio can be obtained with a forward - swept main wing with a small sweepback angle leading edge
主機翼前掠角較小時，鴨翼改善和提高陞阻比的效果比較明顯。 -
Fin stabilizer is a kind of active stabilizer, which is designed on the principle of torque counteraction. fin stabilizer applied at present is an angle feedback system which calculate the controlling torque through the fin angle. because the relationship between the lift produced by fin and the fin angle is mainly determined by the hydrodynamic experiment, so there are some defects
目前使用的減搖鰭是一個角度反饋系統，它通過鰭的轉角來計算控制力矩，這樣就存在一些不足之處，因為鰭上產生的升力和鰭角的對應關系主要靠鰭模的水動力試驗來求得。 -
Because the relationship between the lift on the fin and the fin angle is gotten by the static hydrodynamic experiment, which has great error, especially dynamic hydrodynamic experiment, the control torque gotten by the experiment can not counteract the wave torque well and the stabilization result is not perfect
而鰭的水動力試驗存在著很大的誤差，特別是在動態條件下，鰭的水動力特性測試更困難，所以這種通過計算求得控制力矩的方法產生的鰭升力無法很好地抵消波浪力矩，因而影響了減搖效果。 -
Shipbuilding - cast iron 5k lift check angle valves
造船.鑄鐵制5k提升止回角閥 -
The result and discussion show three conclusions. 1. sternoclavicular joint should berd backward as best as the subject can, 2. the best finish effect can be obtained when both hands lift behind and parallel the ground, 3. the rotation angle of the trunk should be within go degrees under the circumstance of hands lifting behind and paralleling the ground
經由結果討論得知，受試者在沖線時，一、頸關節應盡最大能力向後彎曲，二、雙手向後擺置成與地面平行時，具有最佳的沖線效益，三、軀干扭轉時，在不影響雙手后擺成與地面平行的情況下，以不超過90度為范圍。 -
Furthermore, it was acquired that the parameters of gecko gait ( such as gait period, stride length, duty factor ) and the angle curve of each leg according to the actual motion of them from the recorded datas which was processed and analyzed by computer programme. finally, it is concluded as the following : the angle variation of legs can be repeated during the motion ; in accord with each surface, it is varied that the gecko gait such as the period in which each leg is landed in surface, the sequence in which each leg was whether lift in advance or not during the motion. the motion speed of gecko is changed by adjusting the duty factors of each leg on the same surface
通過對實驗結果的分析比較，得出:運動過程中各腿腿部角度的變化過程具有明顯的規律性;不同表面上壁虎各腿的支撐狀態（各腿的支撐時間及抬、落腿的先後順序）各不相同;相同的表面上，壁虎的爬行速度的變化主要是通過調整各腿的負荷因數而實現的;相同的表面上，壁虎以不同的速度運動時，其步態（各腿抬、落腿的先後順序）是相同的。 -
For example, high - lift ( low speed / high angle of attack ) performance may be required as well as low - lift ( high speed / low angle of attack )
例如高揚程（低速/高攻角）表現以及可能需要低揚程（高速/低迎角） -
Lastly, previous vane are analysed by fluent, we calculate the pressure distribution chart and report chart of each wing form, then alter the torsion angle and the airfoil form of the vane respectively, finally ascertain the influence curve of the torsion angle and the airfoil form of the vane on which act the lift power
最後，通過fluent對設計出的葉片分析，得出其壓力分布圖和報告圖。然後從改變葉片的扭轉角度和翼型兩個方面分析其對升力和阻力的影響。得出葉片的扭轉角和翼型對升阻比的影響曲線，在文章的結尾部分估算了無人機的一些性能參數。 -
Do not lift at an angle
舉升時不得有傾斜（有角度） 。 -
Shipbuilding - bronze 5k lift check angle valves union bonnet type
造船.青銅制5k提升式止回角閥 -
Shipbuilding - bronze 16k lift check angle valves union bonnet type
造船.青銅制16k提升式止回角閥
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