尾跡速度 的英文怎麼說

中文拼音 [wěi]
尾跡速度 英文
wake velocity
  • : 名詞1 (留下的印子; 痕跡) mark; trace 2 (前人遺留的建築或器物等) remains; ruins; vestige 3 (...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是: ( 1 )它採用了三尺復合表面模型的思想來計算海面的電磁散射,考慮了中等尺波對紋波的進一步調製作用,彌補了傳統雙尺模型的不足; ( 1 )它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用,實現了用統一的模擬模型對四種艦船特徵進行成像模擬; ( 3 )它把海面長波的軌道作為基本的動態成分,並依此來考慮海面運動對sar回波信號的影響。
  2. The sixth section gives the experimental results in the quasi - steady flow around the caudal fin and mimic the forward swimming using the caudal fin as the propulsor. and then review the speed and track of the robotic fish swimming when locomotion parameters are set in the experiment condition

    第六部分通過機器魚的自主游動實驗,初步模擬了機器魚利用鰭擺動推進前進,考察了實驗條件下設定魚的鰭擺動相關參數的情況下魚的游動鰭的擺動軌情況。
  3. And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.

    在對上述兩種流動形態的二維大渦模擬研究中,首先全面地分析了氣相時均流場的、湍流強的分佈規律以及氣相的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究;分析了平面流場中近壁處旋渦擬序結構,全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律;描述分析了平面流和平面射流的全場流動旋渦擬序結構,從整個流場的角反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。
  4. The velocity distributions, the relative mach number distributions and the flow trace distributions are visualized, and the reasons, which cause bad aerodynamic losses and make the flowfield complicated, are analyzed, including wake, secondary flow, separated flow and the interaction between shock and boundary layer

    顯示壓氣機內的場、相對馬赫數分佈及流動線分佈等,並分析造成嚴重損失及使流場趨于復雜紊亂的原因,包括、二次流、分離流及激波/附面層干擾等現象。
  5. The principal contributions of this dissertation are : 1. a high fidelity and real - time rotor wake inflow model was built up. based on peters - he finite states wake theory, a new influence coefficient matrix for high speed flight was derived, the modified wake model is better suitable for the flight state with a large wake skew angle

    本模型以peters - he有限狀態理論為基礎,修正了大傾斜角時的誘導影響系數矩陣,並結合了王氏渦流理論,導出了旋翼誘導垂向分量和旋轉分量的表達式,可計算平槳和垂氣動中心處誘導各分量。
  6. On the rotor blade pressure surface, the dominant frequencies of unsteady surface pressure are the up - stream blade wake passing frequency and its harmonics, and the amplitudes of pressure fluctuations decrease from leading edge to trailing edge

    轉子葉片吸力面非定常壓力受葉片附面層和上游葉片共同影響,其主導頻率為上游葉片頻率及其倍頻,但是在吸力面前部氣流加區壓力波動幅沿流向增大,而在吸力面後部氣流減區壓力波動幅沿流向減小。
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