convective transfer 中文意思是什麼

convective transfer 解釋
對流傳遞
  • convective : adj. 1. 有傳送力[運輸力]的,傳送性的。2. 【物理學】對流的。
  • 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;...
  1. High frequency instabilities result in grossly increased convective heat transfer coefficients in the chamber walls.

    高頻不穩定性使室壁對流傳熱系數大大增加。
  2. 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。
  3. It is a new heat transfer enhancement method to apply helmholtz resonance chamber to convective heat transfer in a pipe

    將helmholtz共振腔應用於換熱器來增強換熱是一種新的強化換熱方法。
  4. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流,沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高,沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后,射流沖擊冷卻的范圍變窄,當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流,孔排間距與直徑比的增加使沖擊冷卻范圍變大,但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下,後排射流的沖擊換熱效果要遜於前排射流。
  5. Then the thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed ribbed channel are measured by using infrared camera and the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : the impingement cooling effectiveness of ribbed surface is affected greatly by the jet - to - surface spacing, and the best effectiveness is achieved under the jet - to - surface spacing equals to 1. the correlation formulas of impingement heat transfer characteristics to the parameters are finally concluded and in good agree with the experiment data

    最後,對單排、雙排沖擊孔試驗板在半封閉通道展開了流量系數的研究,在變化各種幾何因素及流動因素的情況下由實驗得出了沖擊孔流量系數值,討論並分析了各種因素對流量系數的影響程度,建立了沖擊孔流量系數的準則關系式,與實驗結果對比表明:該準則關系式與實驗實測數據吻合較好,精度較高,有較高的工程應用價值。
  6. A new method of determining the convective heat - transfer coefficient

    對流換熱系數測定的一種新方法
  7. Experimental investigation on convective heat transfer and flowing friction in risg tubes

    內螺旋外棘齒管對流換熱與流阻實驗研究
  8. Secondly, the relation between nusselt number and the local time - averaged velocity and temperature fields of turbulent convection was theoretically induced, which expands the field - coordinated enhancement principle to turbulent convective heat transfer

    然後,在理論上導出了紊流對流換熱的整體換熱性能與局域時均速度場和時均溫度場的一般關系式,將對流換熱的場協同強化原則擴展至湍流換熱。
  9. Periodical convective boiling heat transfer in a time scale of milliseconds was found

    發現了周期在毫秒級的微時間尺度的周期性沸騰傳熱。
  10. With the convective heat transfer of the fluid in u - tube pipes along the borehole depth considered, a quasi - three - dimensional model is built

    本研究同時考慮了u型管內流體沿流動方向的導熱,首次建立了u型管內流體的準三維模型。
  11. Complex convective heat transfer in an air - conditioning room with protruded heat source

    具有凸出熱源的空調室內的復雜對流換熱研究
  12. The phenomenon of convective heat transfer in a pipe flow exits universally in many industrial areas, therefore, how to enhance heat transfer and how to save energy sources are an important investigation domain

    流體流動中的換熱現象普遍存在於工業的各個領域中,因此如何強化換熱、節約能源是一個重要的研究領域。
  13. Firstly, under the condition of constant viscous dissipation, the field coordination equation was induced for steady laminar convective heat transfer by the conditional variational principle based on the extremum principle of heat transport potential capacity dissipation

    首先在粘性耗散一定的條件下以熱量傳遞勢容耗散取得極值為優化目標,運用變分方法導出了層流對流換熱場協同方程。
  14. Lewis relationship has been suggested to evaluate the surface mass transfer coefficient using the average surface convective transfer coefficient. in addition, a practical analytic technique for testing the surface mass transfer coefficient is proposed and the values of he surface mass transfer coefficient have been given for the particular desorption and absorption test and validated against lewis relationship results. indoor temperature and humidity evaluation equations of adobe buildings considering the moisture absorption and desorption by interior materials have been proposed based on the analysis of the indoor dynamic thermal and moisture process

    通過理論解析和實驗測試定量地研究了生土建築圍護結構表面吸放濕效應,首次提出了以空氣濕度( kg / kg )為驅動勢差的圍護結構表面吸放濕量計算公式,該公式較適用於工程計算,從而為使建築濕環境研究成果逐步應用到建築工程實踐中奠定了理論基礎和提供了簡便演算法;通過對國內外關于表面質交換系數確定方法的研究成果的分析,提出用lewis關系計算生土建築圍護結構表面質交換系數;在實驗室環境下,對生土建築圍護結構表面質交換系數進行了測試方法研究,測試結果和利用lewis關系得到的數值較接近。
  15. 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。
  16. 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。
  17. Professor guo published the paper " a novel concept for convective heat transfer enhancement " in 1998. in the paper, he brings out a novel concept of heat transfer enhancement, the field synergy principle

    過增元院士於1998年發表了「 anovelconceptforconvectiveheattransferenhancement 」一文,提出了對流換熱過程中速度場和熱流場之間的場協同問題。
  18. It shows that both laminar and turbulent convective heat transfer can be enhanced by improving the coordination between the velocity and temperature fields

    這表明層流和湍流對流換的強化均可通過改善速度場和溫度場的協同而獲得。
  19. The inner surface temperature, when there are defects in the wall or air convective heat transfer and radiation are referred, is studied respectively

    分別分析了壁內存在缺陷,考慮缺陷內的空氣對流換熱及表面輻射對反推內壁溫度的影響。
  20. 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。
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