尾流 的英文怎麼說
中文拼音 [wěiliú]-
The wake survey cannot be used to measure the drag of stalled airfoil or of airfoils with flaps down.
尾流測量不能用來測量失連狀態下的冀型或襟翼偏轉后的翼型阻力。Another well - known example involves the appearance of aircraft contrails figure 2 in winter time
另一眾所周知的例子是飛機在冬天的尾流圖二。Another well - known example involves the appearance of aircraft contrails ( figure 2 ) in winter time
另一眾所周知的例子是飛機在冬天的尾流(圖二) 。When this hot water vapour mixes with the surrounding air, a cloud in the form of a contrail may appear
當熱的水汽遇上周圍的空氣便可能形成霧,以尾流形式出現。When this hot water vapour mixes with the surrounding air, a cloud in the form of a contrail may appear. figure 2
當熱的水汽遇上周圍的空氣便可能形成霧,以尾流形式出現。According to the officials, the submarine is equipped with russian - made wake - homing torpedoes and anti - ship cruise missiles
據官方消息,該潛艇裝備有俄羅斯生產的尾流魚雷和反艦巡航導彈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。Hierarchical similarity in an inhomogeneous turbulent wake
矩形柱群非均勻湍尾流中的層次相似律Drafting can reduce lap times during a race and may have a minimal fuel - saving benefit
尾流可以提高圈速,也許還有一點點節省燃油的功效。Braking is not as effective when travelling in another car ' s slipstream
處在前車的尾流中時,剎車不再那麼有效。With the computing program, flow around the square cylinder is resolved at first, and the period of laminar flow is simulated successfully. during the period of vortex street ( re = 100 ), the periodically evolutionary phenomena of the flow behind the square cylinder can be seen
利用計算程序,本文首先對方柱繞流流動進行求解,成功模擬了方柱繞流層流階段的流動和渦街階段( re = 100 )方柱尾流的周期性變化現象。In order to trap more electrons, " triangle - shape pulse excite wakefield scheme " was proposed
的片段,這些脈沖「片段」激發尾流場加速電子的過程。1. in the lwfa simulation, we discussed mainly the influence of " forward stimulated raman scattering " on wakefield generation and electron acceleration
在lwfa中,我們主要研究「前向受激raman散射」對尾流場加速電子的影響。Cross trail error
橫向尾流誤差A dual decomposition algorithm for turbulent wake flows after blunt bodies using the wavelet packet method
鈍體尾流的雙重小波包分解We modified the electron trapping theory to be consistent with our simulation results. 2. in the mp - lwfa simulation, we studied the influence of multiple pulses with various arrangements of the position of the pulses
在mp - lwfa中,我們研究不同的脈沖長度、不同的脈沖間隔對產生尾流場的影響,著重討論尾流場的飽和機制。We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped
結論是:當脈沖長度接近等離子體波長時,稀薄等離子體將發生「前向受激raman散射」 ,它使脈沖后沿拉長,導致尾流場的相速度變小,以至於被尾流場「捕獲」的電子最大動能大大下降。In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data
本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好Elasto - plastic dynamic response of stiffened plates under low velocity impact load
方柱尾流流態對床面沖淤形態的影響Aircraft wake turbulence avoidance
防止飛機進入前機尾流分享友人