convection (of heat) 中文意思是什麼

convection (of heat) 解釋
熱對流
  • convection : n. 1. 傳送。2. 【物理學】運流，環流；【氣象學】對流，上升氣流。
  • 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...
  1. Combined heat and mass transfer by natural convection which is caused by heat and mass diffusion can be seen in nature and some processes of industry, such as evaporation and desiccation. these processes relate to aeronautics, hydraulics, mechanics, chemical engineering, oceanography and aerography

    熱及物質擴散引起的傳熱傳質復合自然對流常見于自然界和蒸發、乾燥等工業過程，涉及到航空、水利、機械、化工、海洋、氣象等諸多領域，其流體力學和傳質傳熱特性一直是人們研究的重點。
  2. Convection is the principal agent of heat transfer in the atmosphere and oceans.

    對流是大氣和海洋中熱傳輸的主要方式。
  3. The atmospheric phenomena suggested by jovian cloud tops are caused by convection, the transfer of heat from the interior of the planet to its surface and beyond

    木星雲頂景觀顯示了由熱對流造成的大氣現象：對流將熱量從行星內部轉移至表面或更遠的地方。
  4. Heat transfer will worsen if structure parameters of the spring inserts are not fit. the paper think that the mechanism of heat transfer enhances of the spring inserts is the laminar flow lining is thinner because of librating of the spring inserts, accordingly the part of convection is enhanced. but the part of boil is not influenced

    通過彈簧插入物的各個參數對傳熱性能的影響分析，認為彈簧插入物對豎管降膜蒸發傳熱強化的機理主要是彈簧的振動加強了液膜的湍動，減薄了層流內層，從而強化了對流傳熱分量，但對沸騰傳熱分量沒有影響。
  5. Convection is heat transfer by mass motion of a fluid such as air or water when the heated fluid is caused to move away from the source of heat, carrying energy with it

    對流是傳熱集體議案的流體，如空氣或水，當加熱流體是造成搬離努力從源頭上的熱量，進行能量與它。
  6. At the same time, according to the similarity theory and dimension analysis, this research has accomplished the heat convection experiment, and has gotten the calculation method of heat convection coefficient of drum brake

    並在相似理論和量綱分析理論的指導下，進行鼓式制動器對流換熱實驗，得出鼓式制動器對流換熱系數的求解公式。
  7. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等；改進了水冷壁布置使換熱效果更好，減少輻射換熱損失；改進對流段結構，更充分的利用爐膛出口煙氣余熱，提高熱效率；並且進行了煙氣阻力計算、熱效率計算和能量平衡測試，對改進后的稠油燃料和改進前進行了對比，燃燒狀況和熱效率有明顯改善。
  8. To ask students to understand three modes of heat transfer : conduction, convection and radiation

    熱傳模式為三:熱傳遞、熱對流及熱輻射。
  9. The southeast low - air jet accompanying the tropical cyclone transported plenty of heat and moisture for the storm, the low - level heating and wetting weakeed the stability of the air, and the weak cool air intruded from the low - level and stimulated the convection, thus leading to the heavy storm

    伴隨登陸熱帶氣旋生成的低空東南急流為暴雨輸送了豐富的熱量和水汽，低層增暖增濕促使層結不穩定加劇，而西風帶弱冷空氣的侵入對暖濕空氣具有抬升作用，可觸發對流發展和不穩定能量釋放，導致大暴雨產生。
  10. Investigation of the compelled convection of heat exchanger and drag index in pipe - shell inert gases condenser

    管殼式換熱器強制對流換熱與阻力特性研究
  11. The experimental correlations for the forced convection - condensation heat transfer of flue gas in the heat exchanger are obtained by the experimental study result

    根據實驗研究結果擬合出了肋片管式冷凝換熱器煙氣強迫對流凝結換熱的實驗關聯式。
  12. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法，其基本的求解策略是：將固體變形，流體滲流與溫度場方程看成獨立的子系統，耦合迭代求解；利用有限元離散（ galerkin ）方法將控制方程在幾何域上離散，並用差分法得到時間域上的離散方程，並在此基礎上，編制了相應的計算機源程序；有限元求解中，為減小邊界效應的影響，在計算中採取粗細網格結合的方法，順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。
  13. Simulation of heat and mass transfer in unsaturated soil under solar radiation and air convection

    大氣對流下未飽和土壤中熱質遷移過程的實時模擬研究
  14. Based on the established three - dimensional physical model, simplified terms, specified material parameters in thermal and physical properties, boundary conditions, and the calculation method of heat convection of cooling water, the numerical simulation and analysis on steady - state temperature field for continuous unidirectional solidification of niti shape memory alloy wire billets were proceeded under the condition of different combined parameters using ansys finite - element software

    在建立三維物理模型以及確定材料熱物性參數、邊界條件與冷卻水對流換熱系數計算方法的基礎上，採用ansys有限元軟體對不同參數組合條件下鎳鈦形狀記憶合金線坯連續定向凝固的穩態溫度場進行了數值模擬。
  15. Abstract : the paper presents a theoretical study on the thermal conductivity of frost formation on cooled flat plate under forced convection. taking the porous meditum as a physical model of frost layer, according to the theories of heat and mass transfer, the formula on heat conductivty of frost formation is derived

    文摘:研究水蒸汽凝華結霜過程在冷壁上形成的霜層的導熱系數，依據隨機管子多孔介質霜層模型，假設霜層是由孔隙空間與冰晶骨架構成的多孔介質，其中孔隙空間由隨機毛細管及連接管子的接頭形成，濕空氣中的水蒸汽在霜層的孔隙空間中擴散輸運並凝華結霜，根據傳熱傳質學理論，導出霜層導熱系數關系式。
  16. Secondly, the temperature distribution in rib - tube heat exchanger in the course of heat transfer is programed and simulated using apdl language of fem software ansys, and the average convection coefficient of both sides is obtained. the rib - tubes with different structure are also simulated and optimized on the base of the calculated results, the relationship between structure and the average convection coefficient of both sides is summrized. the rib - tube structure is optimized using apdl. finally, combines numerical simulation with experimental research, and results of numerical simulation are found to be close to the experimental data

    利用ansys有限元程序對翅片管換熱器的換熱過程進行數值模擬，確定了換熱過程中翅片管的溫度場和熱流量梯度分佈狀況，對翅片管換熱器的多組分流場進行計算，給出了逆流和順流兩種情形下翅片管結構參數對換熱效果的影響規律，並利用ansys提供的優化技術編寫程序對翅片管進行結構優化設計，為其今後在工業中的設計及使用提供了重要依據。
  17. And also meet experiment result well. the heat release from floor thought radiation is validated about 70 % by analyzing the surface coefficient of heat transfer with convection and radiation

    隨后，對低溫輻射地板上表面的對流換熱系數和輻射換熱系數分析結果表明地板表面輻射散熱量約佔地板表面總散熱量的70 。
  18. The direct - inserted solar energy water heater can be used independently for household life, and connected in series or in parallel into a collective hot water supply system for unit such as factory, mine, school, armed forces, guest house, hotel etc. where volume of hot water is needed not so much. both the full glass vacuum heat collection tube which takes natural convection of heat exchange and the heat pipe with superconducting medium have passed the ice and snow test in cold area, and have been recognized by customers in various kinds of climate conditions

    這種系統包括熱管真空管全玻璃真空管，熱保溫水箱，循環網路系統，循環泵和控制器系統，其工作原理：建立於定點溫度的基礎上，介於集熱器和熱保溫水箱間的循環泵系統強制循環，集熱管吸收的太陽能不斷的轉化為熱能，使水箱里的水不斷加熱。
  19. A two - dimensional double diffusive laminar mixed convection, displacement ventilation, is fully investigated by the means of heat and contaminant transport structures to see the effects of the heat and pollutant sources and the external mechanical ventilation

    作者以二維層流雙擴散混合對流模型? ?置換通風? ?進行了數值模擬與分析，並利用上述對流可視化技術來觀察熱源、污染源、外部機械通風三個因素對室內空氣環境的影響。
  20. 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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