耗散率 的英文怎麼說
中文拼音 [hàosǎnlǜ]
耗散率
英文
dissipation rating-
Standard test method for dissipation factor and permittivity dielectric constant of mica
雲母耗散因數和電容率This diode produces about nine times more radiant power than that one.
這只二級管的耗散功率比那隻大8倍。What is the rate of dissipation of energy in the motor ?
在電動機內能量的耗散率是多少?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) 。Extremum problem in the wheatstone bridge circuit
惠斯通電橋電路中耗散功率的極值問題Laboratory measurement of the power dissipation characteristics of aeolian vibration dampers for single conductors
單根導線風吹震動阻尼器功率耗散特性的實驗室測量Estimation of turbulent kinetic energy dissipation rate in channel flow by piv
數據估算槽道內湍流動能耗散率Estimation the turbulent dissipation rate in a horizontal rectangular duct by large eddy piv method
方法測量水平矩形槽道內湍流耗散率Experimental study of measurement for dissipation rate scaling exponent in heated wall turbulence
壁面加熱湍流耗散率標度指數測量的實驗研究The rent dissipation rate will be lower than 1 if there is not the reserve score
只有在不設置及格分的情況下,考試過程的租值耗散率才不會超過1 。According to the distribution of the turbulence kinetic energy and turbulence dissipation rate in the whole flow field, the mechanism of energy dissipation of stepped spillway is analyzed
本文首次從紊動能和紊動耗散率在整個流場的變化規律出發,分析了階梯的消能機理。By the three dimensional numerical simulation of a project case, the distribution of pressures, turbulence kinetic energy and turbulence dissipation rate in the gentle slope spillway overflow are obtained
通過對工程實例的三維數值模擬,得到了緩坡階梯壩面上的水壓力、紊動能和紊動耗散率的分佈規律。Moreover, is the bureaucracy high efficient organization or dissipation structure ? what type of organization of the optimal bureaucracy
更明確地說:科層制到底是高效率的組織還是耗散型的結構And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown
而計算分析和二維數值模擬分析結果表明:梳狀集電結(基區)結構在不增加器件本徵集電結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個子器件單元內的散熱方式,提高了單元內結溫和電流分佈的均勻性,降低了器件的熱阻,增大了器件的耗散功率和輸出功率,較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾,並有利於改善器件抗二次擊穿的性能。In this paper, management entropy theory and its integrated evaluation system was introduced into enterprises ’ human resource and its management evaluation process, and we revealed the law of the decrease in the efficiency of human resources management systematically when enterprises ’ human resource and its management were under a closed system ; but in an open system, because of the exit of management dissipation and dissipation structure, human resource management system exchange materials, energy and information with the outside world constantly, the rule makes negative management entropy and management entropy showed shiftily in an enterprise
本文將管理熵理論的企業綜合集成評價體系引入到企業人力資源及其管理的評價中,系統地揭示企業人力資源及其管理在封閉系統地狀態下,人力資源管理效率遞減的規律;而在開放系統中,由於管理耗散、耗散結構的存在,人力資源管理系統通過不斷與外界進行物質、能量和信息的交換過程,使得管理負熵和熵處于交替運動的狀態,人力資源及其管理效率呈現波浪式運動的特徵。Improvement on the theoretical model for dissipation - rate budgets in near - wall region of a turbulent boundary layer
近壁區理論耗散率模型的改進Under considering the impact of bubbles on the turbulence, the k - ? model modified with the presence of microbubbles is employed, postulating the turbulent kinetic energy k and the dissipation rate ? are the properties of continuous phase
考慮到氣泡對湍流的作用,本文採用了經過氣泡修正的k -湍流模型,並假定湍動能k及其耗散率是連續相的屬性。On every step, the maximum of the turbulence dissipation rate is at the step tip. because the interaction between the skimming flow and the step tips causes the energy to dissipate continuously, so that the step can have better energy dissipation results
在每個階梯上,紊動耗散率的最大值出現在階梯的突角處,正是由於滑移主流與階梯突角之間的相互作用使能量不斷耗散,從而使階梯具有良好的消能效果。Planar laser induced fluorescence ( plif ) and multi - dimensional cfd software was used to study the fuel - air mixing process in traditional combustion chamber and bump combustion chamber, the experimental and simulated result agree well in room condition. the fuel - air mixing process in high pressure and temperature in traditional and bump combustion chamber were compared. the result show that fuel and air can mix more quickly in bump combustion chamber than in traditional combustion chamber, fuel - air mixture in bump combustion chamber is more homogenous than in traditional chamber
進一步對高溫高壓下傳統燃燒室和bump燃燒室內燃油空氣混合好壞進行了對比研究,提出了衡量燃油與空氣混合好壞的三個指標,發現bump燃燒室內燃油能在更大的體積內與空氣混合, bump燃燒室內燃油比傳統燃燒室內燃油分佈相對更均勻, bump燃燒室內燃油濃度耗散率為傳統燃燒室內燃油耗散率2 . 8倍,能更快與空氣混合。The numerical results under different methods, especially the simulation of recirculation region and reattachment length were carefully checked and compared. it indicated that the " variable c ? " model could effectively increase the dissipation near the wall and, more over improve the simulation of the reattachment length to close to the experimental results. 4
比較不同修正方法下的圓管湍流計算結果,尤其是迴流區域和再附著長度的模擬結果表明:變模型常數的-模型有效地的增加了近壁區域的湍能耗散率,使再附著長度的計算結果更接近於實驗結果。分享友人