dissipation rate 中文意思是什麼

dissipation rate 解釋
耗散速率
  • dissipation : n. 1. 消散,分散;【化學】散逸。2. 浪費;消耗,損耗。3. 放蕩,閑游浪蕩。4. 消遣,娛樂。
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. To use the athwart gradient protection which takes the end of dam as the datum mark will reduce the digging depth of the stilling basins is reducing, and increase the energy dissipation rate

    採用以壩體末端為基準面的壩體逆坡防護時,消力池挖深減小,消能率提高,壩面平均流速減小,壩區防護難度降低。
  2. Using the model experiment data, the authors calculate the decreased percentage of water jump length, unit width hydraulic jump volume and the water depth downstream of the jump ; and also calculate the energy dissipation rate of dentoid baffle, it is concluded that the device of dentoid baffle can increase the energy dissipation rate of hydraulic jump theory and decrease the engineering cost

    計算了新增齒墩設施的消能量,同時計算了新增齒墩設施的躍后水深、水躍長度和單寬水躍容積減少的百分數。結果表明,採用齒墩設施,可增進消能作用,並取得顯著的經濟效益,達到附加射流水躍理論所預期的效果。
  3. 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
  4. 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
  5. 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
  6. 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 。
  7. The basic parameters, such as temperature, pressure, turbulence kinetic energy and the turbulent kinetic energy dissipation rate, are also analyzed

    繪制了壓力和溫度曲線,以及壓力、溫度、渦流動能、渦流動能擴散率等值線圖。
  8. While the benefits of overheating are specific to the module, the cost ? heat buildup ? is cumulative to the rack that the module resides in, which has a fixed heat dissipation rate

    過熱的副作用具體到模塊(裝備) ,熱量的消耗、產生和堆積在機架的內部有一個固定的散熱率。
  9. 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。
  10. 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。
  11. It is concl uded that dental baffle - pier can increase energy dissipation rate of stilling b a sin and decrease engineering cost. the obvious economic benefits and the expected effect of additional momentum hydraulic jump theory are achieved

    結果表明:採用齒墩設施,可增進消力池的消能作用,並取得顯著的經濟效益,達到了附加動量水躍理論所預期的效果。
  12. In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory

    本文將河流動力地貌學中的平面形態和最小能耗率理論相聯系,研究分汊河道的分流特性,並推導理論分流模式;另一方面,通過建立二維水流數學模型,與理論分析結果進行比較。
  13. When a strong tide is disturbed by submarine bedforms, its effect on surface drift, breaking criteria, as well as energy dissipation rate of short wind waves are discussed and for a particular case, these effects are estimated using available experimental formulae for drift speed

    本文將phiilips & b ~ r ( 1974 )的理論應用於受地形擾動的強潮流場,探討該潮流場對表面漂流的調制和對風浪破碎臨界條件的改變,並進而討論潮流場對破碎損耗源項的影響,初步給出一個考慮了上述影響的、適用於短重力波的破碎損耗源項形式。
  14. 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
  15. 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。
  16. 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。
  17. By applying volume averaging operator to the local transient rng k - s model, the effects of interaction between liquid and bubble on the turbulent kinetic energy and its dissipation rate are incorporated to the rng k - s model

    根據eulerian體平均原理,對局部瞬時rng -模型方程進行平均化處理,經過數學演繹首次得出氣液兩相湍流rng -模型,並在模型中考慮了相間作用對液相湍流動能及耗散的影響。
  18. In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition

    本文旨在通過構造反映等離子點火器內部流動規律的基本方程組,建立描述等離子點火器內部的復雜物理化學過程機制數學模型:模擬等離子發生器內部燃燒的-雙方程湍流流動模型;模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型;模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型;模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等,對模型進行一定的合理的簡化,然後數值模擬等離子點火器內部流場的流動。
  19. The relationship between the gas and particles is obtained as well as the distributions of velocities both of gas and particle, temperature, particle number density, and other turbulent qualities such as turbulent kinetic energy and its dissipation rate. it finds that micro zone clean control through the well - designed flow pattern is possible

    在模擬的條件下探討了氣流運動和顆粒運動的關系,初步研究了通過氣流對不同分區進行潔凈度的控制實現的可能性,得出了不同送風狀態下氣相速度場和顆粒數密度的分佈、溫度及相關的湍流量的分佈。
  20. The dissipation rate constants of malathion and methyl parathion with a concentration of 3 mg / l, and ethion, dicofol, and cyhalothrin with a concentration of 0. 5 mg / l in 2000 ml of 55 - 60 g canna planted water sulution were respectively increased by 77. 66 %, 117. 44 %, 64. 80 %, 38. 11 %, and 15. 35 % compared to those in unplanted water solutions

    62mg幾。在植物修復過程中,鳳眼蓮的直接吸收積累與降解起主要作用,而微生物降解的作用除對樂果的凈化與植物吸收積累的作用相當外,對其他農藥則相對較小。與不種植植物的對照相比, 50乃0g美人蕉對2000ml分別含有3mg幾的馬拉硫磷、甲基對硫磷及0
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