fluid flux 中文意思是什麼

fluid flux 解釋
流體通量
  • fluid : n 流體,液。 body fluid 體液。 cooling fluid 冷卻液。adj 1 流動的;流體的;液體的。2 容易[可]變動...
  • flux : n 1 流,流出;流動。2 漲潮。3 不斷的變動,波動。4 【物理學】流量,通量,電通量,磁通量。5 熔解,...
  1. In fluid field solving, the numerical flux is estimated using high - accuracy roe scheme with limiter. in time marching, we use dual - time stepping together with implicit lu - sgs scheme and get reasonable results efficiently. the difference of the fluid computation between single grid and overset grids lies in the dispose of the computation boundary

    流場解算時,對流場數值通量的求解採用的是帶限制器的高階精度roe格式,時間推進採用了含雙時間步長的隱式lu - sgs ( lower - uppersymmetricgauss - seidel )格式,提高了求解的效率。
  2. Using the opened thermosiphon of 38x3 as experimental element and water as working fluid, the characteristics of dynamic low load boiling, stable severe boiling heat transfer coefficient and critical heat flux are gotten for the opened thermosiphon at the pressure of 0. 02 - 0. 1mpa and 0. 1 - 0. 8mpa respectively, which makes up the drawback that the opened thermisiphon has not yet accurate boiling heat transfer relationship formulas. by means of experimental results, an opened thermisiphon waste heat recovery boiler is designed for the high temperature gases that the positi e electrode copper refining furnace exhaust, which overcomes effectively the drawback of short life, little capacity and unable to inspect that the closed steel - water thermosion has

    本文以工程上常用的38 3的開口封底為實驗元件,以水為工質,對開啟式熱管內的動態低負荷沸騰、穩態旺盛沸騰及臨界沸騰特性進行系統的可視化實驗研究,實驗壓力為0 . 02 0 . 8mpa ,實驗得出了38 3的開口封底管在工作壓力為0 . 02 0 . 8mpa和0 . 1 0 . 8mpa下的管內沸騰傳熱系數及臨界熱負荷計算關聯式,彌補了開口封底管? ?這一新型傳熱元件尚無準確的沸騰換熱關聯式的缺陷。
  3. In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced

    研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計;揭示出脈動流中旋進旋渦流量計流體振動特性,並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。
  4. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的氣流看成是理想流體的一維恆定流動,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風阻力條件下隧道中的風速分佈及流量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的方法。
  5. Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component

    並將流體網路圖分解為一個個獨立迴路,通過改變閥門的狀態,來獲取迴路各管段流量和壓力損失,根據迴路壓力平衡方程,建立方程組,對方程組進行了求解,解出了各未知管段、流體器件的阻力系數。
  6. In the calculation, the energy deposited in aluminum by proton beams is first calculated by m - c simulation, then a 1 - d elastic - plastic fluid model is used to simulate the following thermal shock wave process as a result of thermal - mechanical effect by proton irradiation. the shape of proton is taken as a rectangle pulse with a width of 0. 1 microseconds, the energy flux o

    對於3mm的鋁材料,入射粒子束為矩形脈沖(脈寬為0 . 1 s )的情況下,計算得到了電子束、質子束輻照引起鋁材料斷裂的能注量閾值與入射電子束、質子束能量的關系曲線,該曲線存在最小值,分別對應6mev的質子束的34 . 7j cm ~ 2和0 . 35mev電子束的42 . 1j cm ~ 2 。
  7. The working parameters ( specific enthalpy, entropy, flux of working fluid, reynolds number, etc. ), the configuration parameters of the main components, such as steam turbine - generator group, evaporator and ehd condenser and system efficiency were calculated on the base of thermodynamics theory

    文中以熱力學理論為基礎,計算了低溫余熱發電系統的運行參數(比焓、熵、工質流量、雷諾數、管路壓力等)和各主要組件如汽輪機-發電機組、蒸發器和ehd冷凝器的結構參數,並計算了系統的效率。
  8. Effects of multi - cup uniform flux gas anchor on the separation of gas from fluid

    多杯等流型氣錨對氣液分離的效果
  9. When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters

    實驗時,通過矩形通道上下壁面敷設的電加熱膜加熱通道空氣,改變空氣流速,測試不同工況時的進出口溫度、壁面溫度、流體流量和壓力損失等參數,並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。
  10. Detailed predictions on the fluid flow in mold and in cavity of nozzle working end were obtained at different side - hole angle and submerged depth of nozzles, and then the flux variation of liquid steel passing through central hole of the three - hole nozzle and the fluctuation of liquid steel in mold were inspected based on above predictions

    針對3孔浸入式水口不同側孔傾角和浸入深度,數值模擬對結晶器內鋼水流動做出了較為詳細的預報,研究工作就此分別考察了水口中心孔流量變化和鋼水液面波動幅度。
  11. Thermal dissipation of electronic equipments is rising more and more quickly, but their volume is smaller and smaller. the heat flux of component is increasing geminately. the fluid cooling system plays an important role in industry production, aeronautics and astronautics, military equipment of national defence

    隨著電子設備的發熱量越來越大,而器件本身的體積越來越小,器件的熱流密度成倍增加,液體冷卻系統在工業生產、航空航天、國防軍事裝備等領域的電子設備散熱設計中發揮著重要作用。
  12. In industrial the temperature system is classed large nonlinear system. with associative memory neural network as identification and fuzzy neural network as control established model reference adaptive control system, succeeded realized single dealing control. model reference adaptive control system supplied new method for other lager nonlinear system such as flux, stress and fluid system

    溫度控制系統是典型的非線性大滯后控制系統,根據本文提出的聯想記憶神經網路辨識器,與模糊神經網路控制器相結合,建立模型參考自適應控制方案,成功的實現了對單腔電阻加熱爐的控制,模型參考自適應控制方案可以向其它大滯后非線性特性的過程式控制制參量(如流量、壓力、液位等)推廣。
  13. The input of the heater is controlled with proportional - integral - differential ( pid ) logic. the flux of the cooling fluid is regulated by electronic expansion valve

    系統採用pid演算法控制導電鍍膜的加熱量,同時使用電子膨脹閥調節冷卻介質的流量。
  14. In the first, designed and set up the visual experiment equipments, and carried on the visual experiment, the characteristic of low re flow was analyzed through injecting ink to the channel ; secondly, in order to analyzing channel fluid conduct heat mechanism of strengthening further, heat transfer and fluid flow experiment study device was designed and set up, and carried on the experiments under the equal heat flux border situation

    首先設計並建立了可視化實驗裝置,進行可視化實驗。通過向通道注墨水以顯示流體流動狀況,分析了低re數時的流體流動特點;其次,為進一步深入分析通道內流體傳熱強化機理,設計並建立了換熱及流體流動實驗研究裝置,進行了等熱流邊界條件換熱和流體流動阻力實驗。
  15. Valves are control equipment in fluid pipelines. through adjusting valves, medium in the pipeline may get through or be cut off in pipeline. also, the flowing way, pressure and flux of medium can be controlled to protect pipeline and facility

    閥門是流體管路的控制裝置,其基本功能是接通或切斷管路介質的流通,改變介質的流動方向,調節介質的壓力和流量,保護管路和設備的正常運行。
  16. Analyzing of the heat transfer in microchannel heat sinks, finite element method is used to calculate the surface temperature, fluid temperature and the total thermal resistance of microchannel heat sinks with arbitrary base heat flux distribution

    在對微管道散熱器進行傳熱分析時,本文利用有限元法在微管道底壁熱量任意分佈的情況下,計算了微管道的壁面溫度和流體溫度分佈,最終得到了總熱阻值。
  17. The field harmony theory was used to analyze convection heat transfer with heat sources. the intensity of the heat source was related with not only the velocity and the fluid properties but also the harmonious degree between the velocity and heat flux fields

    場協同理論把對流換比擬為有內熱源的導熱問題,認為對流換熱的強化不僅取決于流體的流動和流體的物性,還取決于流場與溫度場的協同關系。
  18. Fist we resarch local wall temperature ouside and inside of tube, local fluid temperature inside and outside of tube, local heat flux inside and outside of tube, local coefficient of convective heat transfer inside and ouside of tube along the tube axial direction

    首先研究在這兩種情況下管內(外)壁溫、管內(外)流溫、管內(外)壁面局部熱流密度、管內(外)局部對流換熱系數沿管子軸向的變化。
  19. In this paper, we applied the vapor - liquid - solid three - phase circulating fluidized bed evaporator to condense glucose solution considering its advantage. in the experiment, we changed the parameters such as evaporation temperature, difference in temperature of the fluid heating and heated, liquid flux, liquid thickness and the ratio of inert particles to analyze and study this kind of equipment ' s heat transfer properties in different operational conditions

    通過改變蒸發溫度、傳熱溫差、料液流量、料液濃度以及惰性粒子的體積分率等參數,研究了其在不同操作條件下的傳熱性能,並給出了汽-液-固三相循環流化床蒸發器沸騰傳熱的數學模型,模型預測值與實驗值吻合較好。
  20. The microjet is a zero net mass - flux and does n ' t require internal source of jet fluid. its control system is simple, light and little energy consumed. microjet is superior to conventional jet

    微射流控制系統簡單、輕便、能耗極小且不需要工質源,初步顯示出了常規射流控制方法所不具備的優勢,具有非常廣闊的應用前景。
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