air drag 中文意思是什麼
air drag
解釋
空氣阻力-
Airplanes drag along a very thin shield of motionless air known as a boundary layer.
飛機拽著一層很薄的緊貼機面不動的空氣一道向前運動，這層空氣叫做附面層。 -
The drag force decreases as the air density decreases.
當空氣密度減小時阻力也減小。 -
Any object moving through air encounters parasite drag.
任何物體在空氣中運動都會產生廢阻。 -
Air drag coefficients of large calibre duplex ammunition
大口徑機槍雙頭彈空氣阻力系數的實驗研究 -
Air drag tachometer
氣阻式轉數計 -
The analysis of aerodynamic drag data shows that air drag coefficient reaches 0. 539
空氣阻力試驗數據分析表明，模型的空氣阻力系數為0 . 539 。 -
Study on the improvement in the one dimensional mathematical model of the air drag in melt blowing process
對熔噴氣流拉伸一維數學模型的改進研究 -
The analysis of changing transitional corner between the front and top of the model illustrate that air drag coefficient can be reduced 23. 30 %
前圍與車頂的過渡由較小圓角變為較大圓角的試驗分析表明，空氣阻力系數可以降低23 . 30 。 -
The analysis of the repeated test data shows the maximum deviation of air drag coefficient is less than 0. 88 % and the deviation of the most surface pressure data is within 1 %, it illustrates the test data is reliable
重復試驗的數據分析表明，空氣阻力系數數據的最大偏差小於0 . 88 ，絕大部分測壓試驗數據的偏差均在1以內，這說明客車模型風洞試驗數據的精度較高。 -
The paper has founded the model of laser transmission in launch process and the movement model of laser - powered vehicle, and has analyzed the influence on performance of launch system, which was raised by some factors, for instance, the performance of thruster, the attenuation in transmission, the height of mode - transform, the laser power, the air drag force, the launch height, and so on
本文研究了激光推進微小衛星發射系統的概念和性能。建立了發射過程激光傳輸和激光推進運載器運動模型，分析了推進系統性能、大氣傳輸衰減、模式轉換高度、激光器功率、大氣飛行阻力、發射點高度等因素對發射系統性能的影響。 -
Air foil surfaces, lift - and - drag coefficients
空氣流經表面抬升和牽引的系數 -
Air foil surfaces, lift - and - drag coefficients.
空氣流經表面抬升和牽引的系數. . -
Proceed from the angle of energy and taking considerations on interference factor and drag of airfoil profile, a kind of new typed calculation method on the design of vane air foil was put forward according to the vortex aerodynamics model of the rotor of wind turbines with horizontal axis
摘要根據水平軸風力機轉子的渦流氣動模型，從能量的角度入手，考慮干涉因子和翼型阻力，提出了葉片翼型設計的一種新型計算方法。 -
Numerical simulation method on drag characteristic of air amp; amp; flue gas ducts ' irregular parts in power plants
電廠煙風道異型件阻力系數的數值計算方法 -
Looking at the lift formula, you can see thatlift and drag vary directly with the density of air
你只要看一看升力公式就可以了解升力和阻力與空氣密度成正比。 -
The gas was slowed by a drag force similar to air resistance
由於類似空氣阻力的牽引作用，這些氣體的（運行）速度減緩。 -
Drag lower right corner of the clothes washing machine inside of contributors, when the rain with umbrellas, air dry clothes in a timely manner to drive to the lower left - hand corner diehao, otherwise they would be applied on the wind
拖動右下角洗衣機裏面的衣服到晾衣繩上，有雨的時候要用雨傘，晾乾的衣服要及時拖動到左下角疊好，否則會被風刮掉的。 -
The ipsa model solves the navier - stokes equations of each phase with the interphase interactions between two phases of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces
Ipsa模型對每一相求解n - s方程，並考慮水-氣體兩相間的相間相互作用，包括相間阻力、相間升力、相間壓力和虛質量力。 -
The model of fpsa ( inter - phase slip algorithm ) provided in phofvmcs, the software used in computational fluid dynamics, which solves the navier - stokes equations of each phase with the interphase interactions between two phase of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces, is employed with the difference scheme of upwind and the orthonormal grid
計算採用由phoenics （計算流體力學軟體）的ipsa （相間滑移演算法）模型，應用upwind （迎風）格式和直角坐標網格。 ipsa模型對每一相求解n - s方程，並考慮水-氣體兩相間的相間互互作用，包括相間阻力、相間升力、相間壓力和虛質量力。 -
The flight test of ec155 tells us that inter - blade dampers can work very well in stabilizing the system ; another advantage of this configuration is it can make the hub system simpler and reduce the drag of air to the hub which is very important for helicopters with 4 or more than 4 blades
Ec155的飛行試驗證明，這種減擺器布置方式對提高穩定性效果明顯;這種布置方式的另外一個優點是可以簡化槳轂，降低其氣動阻力，對多槳葉（四片和四片以上）直升機有重要意義。
分享友人