湍流水 的英文怎麼說
中文拼音 [liúshuǐ]
湍流水
英文
turbulent water- 湍 : [書面語]Ⅰ形容詞(湍急) rapid; rushing; torrential; swiftⅡ名詞(急流的水) rapids; rushing waters
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 流水 : 1 (流動的水) running water; stream2 (舊時指商店的銷貨額) turnover (in business)流水搬運作用...
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Computation of three - dimensional unsteady periodical turbulent flow though a draft tube
尾水管動態計算湍流模式的選擇The water onflow can be made by the direction changing and rib like spirals guide, it can strength the ability of heat absorption
水在特殊結構內的改向和模肋式螺旋導向促成水的湍流,加大了吸收熱量的能力。Cat sometimes occurs in areas where there is darkening in satellite pictures taken in the infra - red water vapour channel
晴空湍流有時出現在紅外光水氣頻道衛星圖上變黑的地區。The easiest place to look for turbulence is in the stream of steam rising from a boiling teakettle.
尋找湍流最方便的場合莫過于燒開的茶水壺冒起的蒸汽流了。A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。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Application of the turbulent flow type of high efficiency water cooler on steel rolling line
湍流式高效穿水冷卻器在軋鋼生產線上的應用Using a " vortex intake " device, the underground drainage system has the dual benefit of relieving storm flow in downstream urban areas in districts such as western and kennedy town, and avoiding the difficulty of constructing or enlarging drains and culverts in urban areas and the resultant disruption to traffic that may ensue. the " vortex intake " project is a significant piece of hku s research achievements, and exemplifies the collaboration between academia, industry and government
漩渦進水口的水力工程,不單可以紓緩西區及堅尼地城一帶于暴雨時,因大量急湍的水流往下沖而造成水浸及危險的問題,還避免了在市區興建或擴建排水道及暗渠的工程;在鬧市中進行此類工程十分困難及費時,並且一定會阻礙交通,帶來不便。In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常湍流分析,得到了流場中各物理量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。A man is looking down into the swift water twenty feet below.
一個漢子正在望著腳下二十英尺處的湍急的流水。The three - dimensional primitive equations were derived for ocean in the condition of turbulence, by using the reynods time average method
首先在流體動力學和熱動力學的基礎上,應用雷諾時均方程法,詳細推導得到海水在湍流狀態下的三維原始方程。We must keep up - stream. you see, sir, he went on, if once we dropped to leeward of the landing - place, it s hard to say where we should get ashore besides the chance of being boarded by the gigs ; whereas, the way we go the current must slacken, and then we can dodge back along the shore
「你看,先生,我們必須逆水行舟, 」他接著說道, 「要是一旦我們錯過了那個著陸地點,很難說我們會在哪兒上岸,除非是在那兩只劃子邊上停船,反之,照我們現在這個航向走,湍流勢必是要減弱的,然後我們就可以沿著海岸退回來。 」Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ
本文結合巖灘水電站廠房振動的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬;提出一種水電站廠房下部結構簡諧振動模型,首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析,各項計算結果與實測數據吻合良好。Numerical simulation of 3 - d turbulent flow in the dual - intakes sump of pump station
泵站雙進水口進水池內三維湍流的數值計算Both tidal mixing and wind stirring can weaken the vertical stratification induced by freshwater buoyancy, but different mechanisms dominate such a process : tidal mixing is accomplished through the upward dissipation of turbulent kinetic energy whereas wind stirring is in the opposite direction
盡管潮汐混合和風的攪動作用均能削弱河流沖淡水浮力引起的垂直層化現象,但是其控制機制有所不同:潮汐混合是通過湍流動能自下向上的耗散來完成的,風攪動的方向恰好相反。When the flow of fluids in channels or pipes changes from laminar to turbulent as speed of the flow is increased, there is a large increase in drag
流體,如我們常見的水,在管道里流動時,會隨著速度的增加,由規則的層流轉為貌似毫無規律的湍流。As the moving particle in the turbulence boundary layer, the resistance on microbubble from water may be fallen inside the scope of the stokes law
作為湍流邊界層中運動的粒子,微氣泡受到水的阻力可能會在stokes阻力范圍內。In this paper, the physical experiment and numerical simulation based on the volume of fluid ( vof ) method to solve turbulent governing equations in the numerical wave tank are conducted to investigate the interaction between surface waves and sandbars on the seabed
本論文通過物理模型試驗和基於vof方法求解湍流控制方程所建立的數值波浪水槽模型,對波浪與海底沙壩地形之間的相互作用進行了研究。Numerical simulation of the steady cavitating turbulent flow in the whole flow passage of a kaplan turbine has been carried out by using a full cavitation model and a mixture two - phase flow model
摘要採用一種完整空化模型和一種混合流體兩相流模型,對軸流式水輪機全流道內的定常空化湍流流動進行了數值模擬。The control models are the standard mm4 using the blackadar high resolution boundary scheme, the bulk boundary scheme, the kuo cumulus parameterization scheme and explicit clouds
閉合處理湍流擴散問題,分別以原mm4中有雲和無雲的水份處理方案作為控制方案。分享友人