convective heat-transfer coefficient 中文意思是什麼

convective heat-transfer coefficient 解釋
對流傳熱系數
  • convective : adj. 1. 有傳送力[運輸力]的，傳送性的。2. 【物理學】對流的。
  • heat : n 1 熱；熱力；熱度；熱量。2 體溫；發燒。3 （氣候的）高溫，暑氣。4 【冶金】熔煉的爐次；裝爐量；一...
  • transfer : n 1 移轉，轉送；調職；調任[轉學]證書；變換。2 （財產；權利等的）轉讓，讓與（證書），移轉，授受；...
  • 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. Heat transfer coefficient，comprising convective and radioactive components may strongly depend on the actual flow enthalpy and density.

    由對流和輻射兩部分組成的熱交換系數極大地依賴于實際活動的焓和密度。
  2. A new method of determining the convective heat - transfer coefficient

    對流換熱系數測定的一種新方法
  3. In this condition heat convection inside and outside of tube are coupled. coefficient of convective heat transfer inside and outside of tube gotten through such way compare with coefficient of convective heat transfer inside and outside of tube gotten through by electricity. for comparability between this two condition, the average heat flux on the tube must be equal for this two condition

    這種情況下管內外對流換熱是藕合的，得到的管內外對流換熱系數分別與電加熱管道壁面的邊界條件下管內和管外流動的對流換熱系數相對比，為了使他們具有可比性，我們規定在這兩種邊界條件下通過管子的平均熱流密度相等。
  4. The influence of various waterpower and configuration parameters on heat transfer is analysed and the rules of convective heat transfer coefficient and the ratio of heat transfer enhancement with mass flux are obtained. at the same time, we gain important results as below : as for resonance chamber with certain configuration, self - oscillation can be generated under suitable configuration and waterpower parameters. for the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters

    當流量及壓差降低至一定程度時，共振腔還可能削弱換熱；加熱功率的提高會增加流體（水）的溫度，流體的粘度會隨著降低，這會減少對流體脈動的阻礙，使脈動衰減得更慢，而脈動幅度的增加會增強換熱，故加熱功率對有脈動的對流換熱是有影響的；自振腔產生的流體脈動頻率是自振腔固有頻率或其整數倍，流體脈動頻率過高或過低都不利於對流換熱，存在一有利於強化換熱的頻率范圍。
  5. Normally, coefficient of convective heat transfer is gotten through experiments which is heating testing tube by electricity and computed through newton cooling law

    通常，對流換熱系數是在實驗中以電加熱試驗管壁面后根據牛頓冷卻定律計算得來的。
  6. We first expand the nonlinear temperature - dependent convective and radiative heat transfer coefficient about the ambient temperature by taylor - series method, and then the crystal temperature and the pull rate as well as the bulk melt temperature are determined by the perturbation techniques in a simply analytical manner

    分析之過程為首先將隨溫度變化之對流系數及輻射系數做泰勒級數展閉，再以攝動理論之技巧，同時求解晶圓棒之溫度、拉伸速度及溶解液之溫度。
  7. Just under this urgent consideration, based on the fact that self - oscillation can produce pulsation of flow, to influence the flow boundary layer, thus to increase convective heat transfer coefficient, it is necessary to devote to the mechanism of self - oscillation and apply it to a heat exchanger

    正是在這種迫切要求下，基於自激振蕩能產生脈沖流動而影響流動邊界層從而提高對流換熱系數來強化換熱的考慮，需要開展對自激振蕩的機理及其應用的研究。
  8. At the same time, we suggest a correction factor to the before coefficient of convective heat transfer formula at the second boundary condition

    然後研究平均對流換熱系數在電加熱邊界條件和傳熱邊界條件下的區別，同時提出對以往在電加熱條件下所得出的換熱系數經驗式的修正。
  9. 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。
  10. Measurement of convective heat transfer coefficient by vacuum membrane distillation

    用減壓膜蒸餾測定對流傳熱系數的研究
  11. So if there is any difference of coefficient of convective heat transfer between this two boundary condition ? both numerical simulation and experiment were adopted to research ducted heat convection

    探討這兩種邊界條件下管內外的對流換熱系數的差別及相應的對應關系對于換熱設備的設計具有重要的意義。
  12. The end show that coefficient of convective heat transfer at thermal boundary condition is higher than that at definite heat flux boundary condition. if according to dimensionless equation of heat convection, nu number of the latter almost is mutiplied 1. 47 times of the formal, but the coefficient of convective heat transfer in tube between this two condition is almost equal

    研究結果表明:在實驗室中電加熱方式得到的管外對流換熱系數低於工程中傳熱條件下的管外對流換熱系數，若按傳熱準則式關系，後者的努謝爾特數約為前者的1 . 4倍;而管內的對流換熱系數在兩種邊界條件下的差別不大。
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