fluid coefficient 中文意思是什麼

fluid coefficient 解釋
流體系數
  • 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...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. 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。
  2. Abstract : vanced a new approach to measure the coefficient of viscosity with the method of falling balls, and explained the movements of falling balls of the same diamters in viscose fluid in tubes of different diameters and falling bahs of different diameters in viscose fluid, as well as the whole process of movements of falling balls in viscose fluid

    文摘:給出了一種落球法測液體粘滯系數的改進方法；並對小球在不同管徑內的粘滯液體中的下落運動、不同直徑的小球在粘滯液體中的下落運動以及小球在粘滯液體中的整體運動過程等進行研究。
  3. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。
  4. Based on re - classification of abbott - firestone curve into three zones, surface bearing index, core fluid retention index and valley fluid retention index were introduced to evaluate the bearing capability and lubricant retention property of a machined surface. the changing tendency of these three indexes was also made clear through experiments, and the relations between them and fractal parameters were built up. at last, it was found that the coefficient c is also suitable to evaluate the bearing capability and fluid retention property of a machined surface

    本文在重新劃分abbott - firestone曲線的基礎上引入了表面承載指數、核心區液體滯留指數和谷底液體滯留指數三個指標分別評價表面承載性能和儲油性能，同時通過試驗找到了這三個評價指數的變化規律，最後建立了它們和分形參數之間的關系，並發現尺度系數同樣可以用來評價表面的承載性能和儲油性能。
  5. With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon

    本文通過實驗研究和理論分析，認為在熱流量小於攜帶極限時，影響工質傳熱能力的是cpu重力熱管的充液量和其乾涸極限，此次所實驗的三種工質，最佳充液量應當在8g ~ 14g ；傳輸因素主要決定普通熱管的毛細極限，而不是重力熱管傳熱能力的決定因素；三種工質中的最佳工質是丙酮；小風速時風速的變化對cpu重力熱管的傳熱有明顯的作用，但在風速大於1m / s以後，風速增加對于cpu重力熱管的傳熱能力的增加效果減緩。
  6. This program can predict the wall temperature 、 internal wall heat tranfer coefficient 、 fluid temperature and entropy profile along the water wall. all of these provide an important foundation for designing this type of water wall structure to ensure the safety of the boiler operation. this hydrodynamic calculation program and the results can be used to analyze operation reliability and structure design of water wall system

    利用所開發的程序對設計的超臨界cfb進行了計算，給出不同負荷下，水冷壁出口工質溫度分佈，水冷壁受熱面不同位置處的金屬壁溫、內壁放熱系數、流體溫度焓值分佈，以及不同管子的流動壓降等結果，為分析鍋爐工作可靠性及水冷壁系統的結構設計提供了重要依據。
  7. For newtonian fluid, the influence of the plate undulations, the reynolds number and the thickness of the film are shown by parameter studies ; for non - newtonian fluid, the shear - thinning coefficient on the film flow is shown by parameter studies

    在薄膜流動過程中，考慮波形板的輪廓形狀參數變化、流動中雷諾數的大小、薄膜厚度的變化以及非牛頓流體的剪切變稀系數對薄膜流動的流變特性影響。
  8. A rig was designed on the basis of thermodynamic analysis. some factors, including mixture composition, cycle compression ratio and suction ratio of circumfluence fluid of the rectifying column, are analyzed of their impacts on coefficient of performance

    在對新循環進行了熱力學分析的基礎上，設計了自動復疊製冷循環實驗臺，分析了循環工質配比、循環壓比及精餾柱迴流液的抽取率對循環系統cop的影響。
  9. Each parameter affecting to its natural frequency and vibration characteristic is analyzed ( such as the supporting stiffness coefficient, the supporting distance, the internal pressure and the velocity of fluid in the pipeline )

    分析了各參數（支承剛度系數、支承跨距、管內壓力、管內流體速度）對振動特性的影響；對速度波動、壓力波動對固有頻率的影響作了探討。
  10. The frontal cross - sectional area, the velocity of the swimmer, the wetted surface area of the swimmer, the density of the fluid, and the coefficient of drag will all be the same whether the body is on the front or side

    身體前部分的橫截面面積，運動員的速度，運動員的觸水面積，液體的密度以及拖曳系數都是一樣的而無論身體是朝向一邊或前傾。
  11. 1. the author designs special equipment with double - deck, based on the ultimate analysis, caloric, thermodynamic characteristic parameter of layer boiler, working fluid parameters in and out of boiler, exhaust temperature, thermal loss, excess air coefficient, etc. according to processing technology, make special combustion equipment. and it is installed and debugged as required

    根據生物質成型燃料的燃燒特性、層燃鍋爐熱性能及熱力特性參數為設計依據，設計出雙層爐排生物質成型燃料專用燃燒設備；根據燃燒設備的加工工藝製造出生物質成型燃料專用燃燒設備；按照燃燒設備安裝方法及調試方法對該燃燒設備進行了安裝與調試。
  12. According to the theory of engineering thermodynamics and phase change, heat - transfer process of the special working fluid heat - pipe stove is analyzed. some hypotheses are postulated and with the help of equation of mass - conservation, energy - conservation, the dynamic concentrative parameter model is built, the change of each parameter is prescribed at any stage from starting to stopping. with the thermodynamic calculation of burnable process, the parameter of device, such as heat - transfer coefficient / thermal efficiency etc, are achieved under steady state ; based on theoretic calculation, observing the actual running circumstance of the heating stove in person, with some performance comparison between the new and the old, the high efficiency and reliability of heat - pipe stove is proved, the project which expend it in the oil - filed is feasible

    對充入該工質的熱管加熱爐，本文根據工程熱力學和相變傳熱學及相關知識，對其進行了傳熱分析，經過適當假設，運用質量守恆和能量守恆定律，建立了裝置動態集中參數模型，描述了加熱爐從開機到穩定運行這一動態過程各參數的變化情況，同時對燃燒過程也進行了熱力計算，最終得到了穩態工況下裝置的換熱系數、熱效率等熱力參數；在理論計算的基礎上，親赴現場觀察該爐的實際運行情況，通過與原有的加熱爐的各項性能進行對比，最終證明新爐的高效性和可靠性，為其在油田中推廣的可行性提供了依據。
  13. Other content in this paper is the design and investigation of spiral inlet port. the geometries that compose intake port have been repeatedly when intake port scheme was designed. the intake port scheme has been carried out steady - flow test. the experiment data has been analyzed and investigated, then the performance of inlet port has been estimated by the fluid coefficient and the whirl ratio. at last, the spiral inlet port scheme has been selected based on matching relation of the factors of combustion system. in addition, how to " intake port synthesis performance coefficienf ' evaluate engine intake port has been discussed

    本文的另一項內容是螺旋進氣道的設計和研究。通過對進氣道的幾個主要結構參數進行反復修改擬定進氣道方案，並對其進行穩流試驗，分析和研究試驗數據，利用流通系數、渦流比進行進氣道性能評估，根據燃燒系統要素的匹配關系，確定了兩種螺旋進氣道方案。另外，本文探討了「進氣道綜合性能系數」對發動機渦流進氣道性能的評估能力。
  14. The influence of the blowing factors to the flutter and the lift coefficient is analyzed. secondly, the self - induced vibration of seals are analyzed by fluid - structure coupling numerical method. the self - induced oscillation of the seals will occur at large rotational speed, however, this phenomenon ca n ' t be simulated with the

    採用本文的流固耦合方法成功地捕捉到頻率鎖定的現象，且發現隨著轉速的提高，固有頻率也增大，從而證明高轉速下密封轉子會發生自激振動，傳統的剛度阻尼方法對此是無法解釋的。
  15. The hot - dip - depth and temperature difference between fluid and platelet wall are influenced by many factors, such as the coefficient of heat conductivity of platelet and fluid, the coolant fluid, the knudsen number, and so on. high temperature make kn number become bigger, and then microscale effects become notable

    3 、熱浸深度、流體與層板壁面的溫差大小要受層板的導熱系數、冷卻劑流量及流動的kn數等因素的影響。高溫條件使kn數增大，微尺度效應增強;而高壓條件下kn數減小，微尺度效應減弱。
  16. 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。
  17. The effects of the conductivity coefficient of adsorbent, heat transfer coefficient of water fluid and diameter of tube on the performances of the system have been analyzed

    在此基礎上分析了吸附床的導熱系數、真空管管徑、冷卻水管側的對流換熱系數對系統cop的影響。
  18. Conjugate heat transfer calculation was carried out, with simple algorithm, studied up on boundary condition and modified pressure adapting algorithm, to give prediction on velocity field inside the disk cavity, the whole temperature field including fluid region and solid region, and heat transfer coefficient at fluid - solid interface. the simulation results indicate, ( 1 ) in rotor - stator disc cavity, the secondary flows near rotating disc stronger than which near state disc, keeps temperature of rotating disc lower than state disc ' s

    為了使計算方法得到更多的算例驗證，本次研究做了若干算例，文中選出其中四個算例進行分析，計算結果表明： （ 1 ）在轉靜盤腔結構中，轉盤表面的二次流大部分區域都比靜盤表面的要強，所以轉盤表面換熱情況較好，轉盤的總體溫度水平要低於靜盤。
  19. 2 ) the dynamic responses of the saturated soil are analyzed respectively when the normal incident waves from bottom boundary are p - waves and sv - waves. the responses of the soil skeleton and the pore fluid are studied, while the influences of different permeability coefficient and the surmounting loads on the dynamic responses of two - phase media are expounded

    分別進行了在底邊界p波與sv波垂直入射時飽和土的動力響應分析，研究了動力作用下土骨架和孔隙流體的反應，同時闡述了滲透系數和上覆荷載對兩相介質動力響應的影響。
  20. Based on it, the performances of all kinds of supersonic ejectors are compared and the effects of variety of input parameters on the performances of supersonic ejectors are discussed. the conclusion is reached, that the design scheme of small ejecting coefficient, high ejecting mach - number, combustion - gas driving should be adopted to develop high performance, high compression - ratio prs. thirdly, the method of computational fluid dynamics is used to numerically solve the flow - field of the annular supersonic ejector with or without a second flow

    接著，推導了超聲速引射器各種一維理論模型，並應用一維理論公式分析、比較了各種超聲速引射器的性能及其變化規律，全面探討了各設計參數對超聲速引射器性能的影響，得到了高性能、大壓縮比引射器系統應該採用小引射系數、高引射馬赫數、燃氣引射、優化超聲速引射器設計方案的結論。
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