enhancement of heat transfer 中文意思是什麼

enhancement of heat transfer 解釋
強化傳熱
  • enhancement : 加強；擴大；增強
  • of : OF ＝Old French 古法語。
  • 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；...
  1. This dissertation is devoted to the investigation of the influence of self - excited oscillation jet on heat transfer enhancement

    本課題將helmholtz共振腔所產生的自激振蕩脈沖射流引入換熱器以實現強化換熱。
  2. Study on boiling heat transfer enhancement of forced liquid nitrogen flow in lunate narrow channel

    低溫液體火箭發動機循環預冷模擬試驗
  3. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  4. The blade inner channel cooling is very important in the design of turbine blade, with the ever - increasing inlet temperature, the new heat transfer enhancement structures of higher performance are demanded. because of the complexity of the flow and heat transfer of the blade inner channel cooling, the numerical modulation is superior to the experiment. this thesis studied the blade inner channel cooling with the method of numerical modulation

    葉片內部通道冷卻在航空發動機葉片的設計中佔有重要的位置，航空發動機進口溫度的增高對其提出了更高的要求。由於葉片內部通道冷卻的流動與傳熱的復雜性，數值模擬較實驗的研究方法有其優越性，本文利用數值模擬的方法對葉片內部通道冷卻進行了研究。
  5. The results of experiments showed that spirally fluted titanium - tube are better choice on heat transfer enhancement for the miniaturization of naval steam condensers

    實驗結果表明，鈦螺紋槽管是實現冷凝器小型化較為理想的強化管管型。
  6. Numerical analysis of heat transfer enhancement of fin - tube heat exchanger with vortex generatoring resulting from the variation of angle of attack

    攻擊角對渦產生器式管片換熱器換熱影響的數值分析
  7. 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。
  8. Boiling heat transfer enhancement in a vertical annulus by introduction of air in liquid flow

    內加熱垂直環隙中引入惰性氣體時的沸騰傳熱
  9. 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。
  10. 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。
  11. The theory of ehd enhancement of heat transfer mentioned in this paper not only adds a new technical proposal to active heat transfer enhancement technology, but also plays promote role for crossing development of electromagnetic theory and thermodynamic theory

    文中所研究ehd強化換熱理論，不僅為有源強化換熱提供了一項新的技術方案，而且為電磁學和熱力學理論的跨學科研究有一定的促進作用。
  12. At the same time, the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer. employed finite differential method and over - relaxation iteration method, according to certain boundary conditions in the wire - plate electrode space, the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage. the calculation results agreed with theoretical analysis satisfactorily

    同時從靜電強化換熱理論出發，建立了表徵線板電極間的電場和流場分佈的數學模型，並根據線-板電極間的邊界條件，利用有限差分法和超鬆弛迭代法，分別就不同氣流初速度和不同外施電壓的情況下，對線-板空間的電場和流場進行了數值模擬，計算結果與理論分析基本一致。
  13. The effect of variation of vortex generator height on heat transfer enhancement performance in finned oblate oval tube test core with six vortex generators per tube

    每管六渦扁長橢圓管換熱板芯渦產生器翼高對強化傳熱的影響
  14. The channel of t / p = 0. 5 shows the best heat transfer characteristics, and t / e = 0. 3 gives the the best heat transfer characteristics. especially, the 45 / 45 channel could obtain more obvious heat transfer enhancement than 45 ? 60 ? channel

    粗糙肋的寬度與肋間距之比t / p ，肋寬與肋高之比t / e對通道換熱均有一定影響。
  15. The heat transfer enhancement is different under different oscillator. there is the optimum oscillation intensity under which the heat transfer coefficient will be increased by about 30 percent. the change of outlet structure size of a resonance chamber shows little effect on the strength of heat transfer : the pressure of the optional heat transfer coefficient always is between 0. 4mpa and 0. 6mpa, and the optional heat transfer coefficient is enhanced by 30 percent or so

    不同的振蕩強度，強化換熱的效果也不同，存在一個最佳強度，此時的強化換熱效果最好，可以將表面換熱系數提高30 %左右；對于同一共振腔，配合以不同的出口結構尺寸，對于換熱效果的強化的影響變化不大：出現最佳強化效果時的壓力基本都在0 . 4 - 0 . 6 ，最佳的強化效果也都是將表面換熱系數提高30 %左右。
  16. The heat transfer can be enhanced when the configuration and inlet waterpower parameter of resonant chamber are properly selected, the effect of heat transfer enhancement is different with different configuration and inlet waterpower parameter of the resonant chamber, and the strongest effect on heat transfer is found out, which can increase the heat transfer coefficient about 30 %

    不同的尺寸和進口水力參數，強化換熱的效果也不同，同時發現存在一個最好的強化換熱效果，此時可以將換熱系數提高30 %左右，對不同的共振腔，產生最佳換熱所對應的進口壓力略有不同。
  17. Analysis of heat transfer enhancement mechanism of new heat exchanger with twisted - leaf tube bundle support

    旋流網板換熱器強化傳熱機理分析
  18. The researches on the development and application of heat transfer enhancement techniques will create immense economic and social benefits

    研究、發展和應用新型強化傳熱技術，將帶來巨大的經濟和社會效益。
  19. Experimental investigation of heat transfer enhancement and pressure drop of some wing - type vortex generators

    幾種翼型渦流發生器強化換熱及流阻性能的實驗研究
  20. Analysised the cross - experimental results and found the fittest way of various constructs to get the highest value of the thermal performance factor. gave the theorith analysis of the mechanism of enhancement of heat transfer. and point out the optimize way of the fin

    得到了肋叉排列三維內肋管在以上三個流態區間內，達到熱力性能系數最佳時的結構組合方式，並對強化傳熱的機理進行了理論分析。同時，指出了肋形結構進一步優化的方向。
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