熱流阻力 的英文怎麼說

中文拼音 [rèliúzǔlì]
熱流阻力 英文
resistance to heat flow
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 熱流 : 1 （激動振奮的感受） warm current 2 [氣象學] thermal current; [熱學] heat transmission; thermal f...
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法，在不考慮燃燒的冷態情況下，研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上，比較了2種不同設計方案的氣流流動特徵，尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明，阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用，同時也增加了空氣管道的阻力損失，在同樣的工況條件下需要提高管道系統的總壓力
  2. Heat sink for power semiconductor device part 2 : measuring method of thermal resistance and input fluid - output fluid pressure difference

    電力半導體器件用散熱器第2部分：熱阻和流阻測試方法
  3. The results of experimental investigation on heat transfer and fluid pressure drop of spirally fluted titanium - tubes for steam condensation are reported and analyzed

    摘要介紹了鈦螺紋槽管傳熱及流動阻力的實驗結果，並對結果進行了分析。
  4. And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing

    由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少，本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析，總結了本實驗條件下換熱及阻力的實驗關聯式。
  5. The article elaborates the construction and principle of operation and process craft of the tube and corrugated fin rad i ator, and studies the heat transfer mechani sm and the fluid resistance characteristics of the tube and corrugated fin radiator

    本文闡述了管帶式散熱器的結構、工作原理和加工工藝；研究了管帶式散熱器的傳熱及流動阻力特性；進行了散熱器性能強化的影響因素與有效途徑分析。
  6. Accord i ng the heat transfer mechanism and the fluid resistance of the tube and corrugated fin radiator, i apply the computer to compile program to check up and design radiator, which makes the research theory can be d i rect i y app i i ed to manufacture process

    並依據散熱器的傳熱機理及流動阻力特性，運用計算機編程，組建了有關散熱器校核、設計熱計算的程序軟體，使理論研究結果能直接應用於生產實際。
  7. After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %

    摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定，確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒，增設煙氣含氧量分析，可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下，極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果，從而降低排煙溫度45 ，減少加熱爐排煙損失，節約了煤氣量6 %以上。
  8. 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。
  9. 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。
  10. Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance

    研究表明，燃燒室進氣孔的孔徑、孔數、孔的分佈及方向等均對燃燒性能影響很大；斜孔所產生的旋轉進氣，雖具有強化燃氣混合、消除死區和迴流穩焰的作用，但迴流過度會使燃燒室及排溫過高；保證進排氣系統流動阻力（壓力）的一致性，有助於保證加熱器性能穩定。
  11. Air pressure drop and heat transfer performance for the automotive radiator

    管帶式汽車散熱器流動阻力與傳熱性能分析
  12. For connective heat transfer augmentation, the field - coordination equations are given and theoretically proved to achieve the optimal heat transfer performance at a constant flow resistance

    對于對流換熱強化，提出並理論證明了場協同方程是控制著流動阻力一定下傳熱整體性能達到最優時的速度場。
  13. As a new type of energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages. it betters anti - vibration and anti - smudge performance, enhances heat transfer efficiency, and decreases the shellside pressure loss. it also prolongs service lifetime, reduces the weight and saves material

    新型縱流殼程換熱設備作為一種新一代節能降耗設備，具有優良的防流體誘導振動性能、傳熱性能好、傳熱效率高、流體流動阻力小、抗結垢能力強、重量輕等優點，是鄭州大學「熱能工程研究中心」專利產品，為了加快該設備的推廣， 「中心」研發了hecad軟體系統，實現了新型換熱設備工藝設計、機械設計、零部件，圖及總裝圖繪制一體的cad軟體化。
  14. Research on wastewater flow resistance characteristic in using urban original wastewater as a cool and heat source

    城市原生污水冷熱源污水流動阻力特性研究
  15. The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments

    對歧管式單通道熱沉流動特性的研究結果表明，微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外，選用十二烷基硫酸鈉（ sodiumdodecylsulphate ， sds ）以及烷基多糖苷（ alkylpolyglycoside ， apg ）作為減阻添加劑，研究了表面活性劑添加對微通道流動特性的影響。
  16. The effects of interfacial resistance, superheating, free convection due to both temperature and concentration gradients, mass diffusion and thermal diffusion, and variable properties in both the liquid and gas - vapor regions were considered

    分析中，考慮了相間阻力、液膜波動、蒸汽過熱度、因溫度和濃度梯度引起的自然對流、質擴散和熱擴散以及物性的變化。
  17. 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
  18. Experimental study of the enhanced convection heat transfer and frictional characteristics of non - phase - transition fluid in inner chute - spirally corrugated tube

    無相變流體在內斜齒螺旋槽管內強化對流換熱與阻力特性的實驗研究
  19. The result of investigation on drags of cavities under combustion condition, with different injection schemes and fuel equivalence ratio, indicates that it is smaller than it ’ s of cold flow, and decreases with increasing fuel equivalence ratio, and could be converted into the

    研究發現:凹腔火焰穩定器熱試阻力小於冷流阻力，並隨著當量比的增加而減小，最終會表現為正推力。綜合論文研究成果，提出了多凹腔燃燒室設計技術。
  20. Experimental investigation on heat transfer and pressure drop of spirally fluted tubes

    旋流管管內換熱與阻力的實驗研究
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