boundary layer speed 中文意思是什麼
boundary layer speed
解釋
邊界層流速-
A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )
採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。 -
The results indicate that the evaporation of naphtha is notably influenced by wind speed and evaporation area when the wind speed is low and evaporation area is small, influence becomes weak with the increase of wind speed and evaporation area, which shows the evaporation process for naphtha is controlled by boundary layer evaporation at some degree
實驗結果表明，石腦油在低風速和液面面積較小的情況下，石腦油的蒸發受風速和液面面積的影響明顯，增加風速或增大液面面積后，影響減弱。 -
Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given
然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述，總結出邊界層厚度與設定風速、實驗段深度的關系，然後給出模型中心區一定風速下校正數值。 -
A numerical investigation about effects of boundary layer suction in low - speed compressor stator cascade with large turning angle was carried out
摘要本文採用數值方法研究了低速條件下附面層抽吸對大折轉角矩形葉柵流場的影響。 -
The project of the experimental and theoretic research on friction reduction by microbubbles for high - speed ships, supported by the national natural science foundation of china ( no. 19772050 ), aims to study the key technology of air - jetting devices and its relevant problems, theoretically predict the law of bubble diffusing in the boundary layer and calculate the friction of the hull
國家自然科學基金項目「高速氣泡船減阻試驗及理論研究」的目的在於研究高速氣泡船噴氣裝置的關鍵技術及其相關問題，並從理論上預測噴氣氣泡在船底邊界層的擴散規律和計算船體摩擦阻力，為將這一技術應用到實船上提供基礎。 -
Variable boundary layer solution is applied to eliminate chattering on the sliding surface and pi speed identifier of mras is used to replace traditional speed sensor to monitor the speed
應用可變邊界層法削弱滑模面上的抖振，用模型參考自適應速度辨識器取代傳統速度傳感器監測電機速度。 -
The main content is : 1. through the pan evaporation experiments, in which the effects of wind speed, area and mass on the evaporation process has been studied, it is found that the behaviors of mixed and pure liquids have different characteristics, which cannot be explained by the theory of boundary layer control and basic evaporation
主要內容有： 1 、本文用淺盤蒸發法考察了風速、蒸發面積和初始質量對油蒸發過程的影響，發現混合液體蒸發與純液體蒸發行為有不同特點，將蒸發分為邊界層控制步驟和基本蒸發不足以反映其蒸發特點。 -
The results show the moment developing course of flow over flat wall and the evolvement of coherent structure, and also completely simulate all kinds of detail processes in development of boundary layer over flat wall, such as the generation and rise of low - speed stream, the extension and rupture of horse - hoof - shaped vortex and so on
模擬結果給出了平壁流動的瞬態發展過程以及流動中擬序結構的發展演變過程，成功地模擬了平壁邊界層發展中的各種瞬態細節過程，如低速條帶的產生、上舉過程，馬蹄形渦的拉伸變形、破裂過程。 -
The computed results compared favorably with measurements and the corresponding shock boundary - layer interaction and energy loose during transonic speed was described
以尋找出葉片對能量轉換過程中，因氣動力原因而造成能量損失的原因，進而提供改良建議。
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