outlet velocity 中文意思是什麼

In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

本文針對一下部有集中熱源的地板送風空調小室，利用phoenics軟體，在計算分析小室內氣流的速度場及溫度場的基礎上，對對流熱轉移量的變化規律做了計算分析，最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強度、送風量等因素有關，並且得出了其相關關系式。

A new method is presented. the travel time, including the time delays associated with overland folw pathways, is obtained. it is expected that the hillslope velocity and the stream velocity are different, and different equation is used. in the method, the fact that velocity increases going downstream in river systems is taken into account. after the travel time of each cell being calculated, the frequency distribution of the times of arrival of individual water droplets at the catchment outlet - giuh, is obtained

提出了一種匯流時間計算方法，匯流時間中包括坡地漫流時間和河道匯流時間。方法中坡地單元的匯流速度與河道單元的匯流速度採用不同的計算公式，同時考慮流速沿河道向下游的變化。流域中每一個網格單元的匯流時間得到后，將其看作隨機變量，進行統計分析后，得到匯流時間的頻率分佈? giuh 。

Then by using the excel software, we get the figures of the velocity profile and pollution concentration distribution of different sections, and get the ventilation efficencies of the three ventilation forms. as view from the efficiency of the draining pollution, a desired ventilation is regarded as the up - inlet and down - outlet on the same side after compairing the three ventilation efficiency. the trend of the velocity profile and the pollution concentration distribution both are basically identical with the practice, and the numerical results of the ventilation efficency accord with the ones studied by prof

從排污效果的角度上來看，分析得出這幾種方式下較好的送排風方式是同側上送下排方式。從得到的流場、濃度場分佈的趨勢來看與實際大體一致，計算的通風效率與已經有的實驗值大體相吻合，說明本文所採用的數學模型合理，計算方法基本可靠。

Then author discusses the writing and debugging of the program. the ventilation of a typical chamber with a stable fixed pollutant emission is studied by founding different boundary conditions ( here, they are the both up inlet and outlet on opposite side, the up - inlet and down - outlet on opposite side and the up - inlet and down - outlet on the same side. ). and accordingly dividing different grids. using the program, the velocity values and the pollution concentration values of the chamber are worked out

對所研究的具有單個固定污染源的典型房間的室內通風，通過對異側上送上排、上送下排以及同側上送下排等幾種方式下，建立相應的邊界條件並劃分網格，運用編制的程序對它們進行數值模擬，所得的計算結果再用excel軟體分別進行顯示與處理，得到相應條件下的流場、濃度場，而後再算出相應的通風效率。

Thirdly, geometry modeling of the pump was made and meshes were divided with gimbit, then the flow filed was investigated using flunt, a commercial available cfd code. as result, lots of internal flow filed of outlet of the gear pump was obtained, including velocity magnitude and pressure magnitude

應用pro / e和gambit軟體對機油泵進行幾何建模並劃分網格，應用fluent軟體模擬多種工況下機油泵出口部分的三維湍流流動，得到詳盡的三維湍流場的分析結果，包括壓力分布圖、速度矢量分布圖等。

Abstract : the initial position and velocity of pulverized coal at oxygen - coal lance outlet has been proposed, thus injection of pulverized coal in the blast furnace can be simulated

文摘:給出了氧煤槍出口處煤粉顆粒初始位置和初始速度的分佈，從而為高爐煤粉噴吹的數值模擬打下了基礎

Temperature process lines with tidal cycles of multi engineering conditions of characteristic sections are obtained, the relationship between temperature distribution and velocity field is established, the inner mechanism change of temperature process lines is investigated, the interrelation between water intake and outlet is analyzed, the relation between the ratio of dimensionless temperature rise span of the plant intake and the ratio of river discharge volume and plant cooling water intake volume is obtained

得到了特徵斷面多種工況隨潮周期變化的溫度過程線，建立了溫度場與流速場的相關關系，研究了溫度過程線的變化機理，分析了取排水口對溫度場的相互影響關系，探討了無量綱溫升時長比與無量綱來取流量比的相關關系。

The main object of this paper is to design a diagonal impeller, which requires small size and high rotating speed the first step of design is to solve the radial distribution of parameters at the inlet and outlet of the blade, such as pressure, temperature and velocity. and then, according to the radial distribution, we can design the diagonal impeller blade. blade elements are defined on a cone, which pass through the blade edge streamline location

其設計思想是採用準三維設計方法，先進行二維流場計算，在葉片軸向間隙中設立計算站，應用數值計算方法計算葉片前後緣的壓力、溫度、速度等參數沿葉高的分佈，然後根據這些參數，選取若干個回轉面進行葉型設計；再將各回轉面上得到的基元葉型沿某一個積疊軸積疊起來形成三維葉片，最後對得到的三維葉片進行試驗，並對實驗結果進行分析比較。

For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

數值模擬採用fluent軟體，計算結果用excel進行處理，通過對大量數值工況進行數值模擬計算，結果表明：對于單側百葉風口，計算表明： 1 ）對于公式p = （ ~ 2 ） 2 ，的理論計算值中定義為流體流經百葉風口內部時的速度，即有效速度，而工程上常使用流體的來流速度來計算，計算表明，的理論計算值與工程應用值的關系為（ _ （理論） ） （ _ （工程） ） = 0 . 813 ； 2 ）當來流速度一定時，擋板傾斜角度越小，壓力損失越小、出口速度越小；因此在要求進口風速比較小的場所，如播音室、圖書館等，宜採用擋板角度30的百葉風口；在要求進口風速比較大的場所，如電影院、辦公室等，百葉擋板的角度應選45 ； 3 ）當來流速度一定時，百葉擋板的擋板寬度b與擋板間距h的比值b h越大，壓力損失越大，出口速度越小，計算表明，鑒于壓力損失、出口風速、板間形成渦流區的大小，百葉擋板的b h值取0 . 8到2 . 0之間， b h = 1 . 2為最佳值； 4 ）當來流速度一定時，在計算的條件下，當百葉擋板寬度b = 40mm時，百葉擋板的阻力系數最小，考慮到渦流區等的影響，建議選用10mm b 50mm的百葉擋板；西安建築科技大學碩士學位論文5 ）百葉擋板的厚度取為1 . sinln為好; 6 ）百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板，利用其較好的導流作用，可得到更好的出流效果。

By presenting the simplified flow model, the flow and velocity triangles were analyzed. in the paper, the author excavated the performance, calculated the velocity - pressure and flow loss of the worm shell, the outlet element of the pump

論文還深入研究了螺旋型離心泵的蝸型擴散管的結構和原理，計算了蝸型管的速度、壓力、流動損失，分析了擴散管的增壓原理。

The paper takes single factor analysis with every factor. these factors include outlet temperature 、 outlet velocity and outlet diameter

這些因素包括送風溫度、送風速度、送風口直徑、送風方式等。

In summer, outlet velocity which is 8m / s and outlet temperature which is 19 are the best. in transitional season, outlet velocity which is 10. 2m / s is the best. in winter, outlet velocity which is 9. 9m / s and outlet temperature which is 24 are the best

在夏季，應選擇8m / s的送風速度和19的送風溫度；在過渡季，應選擇10 . 2m / s的送風速度，將未經處理的室外新風直接送入室內；在冬季，應選擇9 . 9m / s的送風速度和24的送風溫度。

Through linear regression, experiment data is tidied to linear regression function relation. these relations can be extended to common high space. the result indicates that outlet velocity and outlet diameter have obvious effect on air distribution

通過線性回歸法將實驗數據整理成以工作區平均溫度為因變量，以各個影響因素為自變量的一元線性回歸函數關系式，這些關系式能夠推廣到一般的高大空間。

Uml is a good kind of modeling language which is defined properly and can be described easily and has powerful functions. it is a good modeling tool in object - oriented design. according to power plant soft - package ’ s requirement of northeast electric power design institute enterprise standard, and following the oo design method, we developed sizing flash tanks and chimney outlet velocity software system

該系統符合東北電力設計院《電廠設計軟體包》的要求，改變了以往人工計算工作量大、易出錯、計算不完整、輸入輸出不明顯的缺點，實現了便於用戶使用和檢查、調整計算和設計方案、保存計算結果、便於校核和存檔等自動功能。

Mostly, including in the cubage of periodic sizing flash tank, steam exhaust pipe, draining pipe, cooling water line size, the cubage of continuing sizing flash tank. in chimney outlet velocity, the users should confirm the parameters of

《擴容器和煙囪出口煙速選擇計算軟體系統》將為電力設計行業帶來極大的經濟效益和社會效益，同時也為電廠設計過程進一步現代化奠定了堅實的基礎。

This article makes a model test research to filter function of porcelain sand filter according to the new material - porcelain sand filter - that baogang uses in the new water processing technology of sheet semifinished turbidity of the inlet water, different medicine and variation of outlet water quality in different filter velocity

本文針對包鋼薄板坯連鑄連軋新水處理工藝中所採用的新型濾料? ?瓷砂均質濾料的過濾特性進行了研究。在不同的進水濁度、不同的加藥量、不同的濾速下出水水質的變化，對瓷砂濾料過濾性能進行了模型試驗研究。

Obtained temperature field and velocity field and concentration field in the gasification furnace, in addition achieved coal gas component on outlet

總結了在具有復雜化學反應的高溫、高壓容器中，對水煤漿氣化過程的數值模擬時經常遇到的問題和解決方法。

Then, only a given curve satisfied by the conditions of import and outlet of vane wheel as its modular curve will neglect the middle varying processes of in vane wheel, which reflect microscope properties in some degree - flow properties in boundary layer. leading into the velocity - coefficient unifies the boundary layer and eular theory in the design process of vane, which extends the area of selection of vane ' s curves and provides a valuable object function for the optimization design of vane

那麼，僅憑一條預先給定的滿足葉輪出入口條件的曲線去來作為葉輪的型線，它必將忽略了這種除了葉輪出入口之外的中間變化過程，而這種中間變化在某種程度來說又反映出微觀特性? ?邊界層流動特性；速度系數的引入，它使邊界層理論和歐拉理論在泵的葉輪設計過程中得到統一；它使選擇葉片曲線的域圍拓寬；它也為葉輪的優化設計提供了一個很有參考價值的目標函數。

In this model, the velocity was controlled below50 m / s so that it is easy that the temperature of outlet propellant exceeds 1000k. by the measure of advancing the melting point of metal panel to 3000k, the temperature of outlet propellant even could be close to the very high temperature of the metal panel. it is very active to improve the capability of the whole propulsion system

在本文模型中，將管道內工質的流速控制在50m / s ，熱交換器的出口工質溫度就能夠提升至1000k以上;提高換熱器高溫加熱段的金屬平板熔點到3000k以上，完全可以將工質出口溫度提升至接近金屬平板的溫度，這樣可以大幅度提高推進系統的性能。