heat baffle 中文意思是什麼

heat baffle 解釋
擋熱板
  • 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...
  • baffle : vt 1 使受挫折，挫敗，破壞，阻礙（計劃、努力等）。2 使困惑；使人為難；使迷惑。3 用隔音板隔（音）。...
  1. Research on a new pipe shell - type baffle - rod heat exchanger

    新型折流桿管殼式換熱器研究
  2. Study on the vibration and anti - vibration measures of baffle heat exchanger

    折流板換熱器振動及防振措施研究
  3. Battery heat insulating board felt, battery baffle, etc

    蓄電池蓄電池隔熱板氈蓄電池隔板等
  4. The results indicated with the re raising, the rectangle channel ' s heat transfer enhanced gradually, which channel installed the baffle on its above and below

    實驗結果表明，上下壁面安裝折流板的矩形通道中，隨著來流雷諾數re的增加，通道換熱效果逐步增強。
  5. When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters

    實驗時，通過矩形通道上下壁面敷設的電加熱膜加熱通道空氣，改變空氣流速，測試不同工況時的進出口溫度、壁面溫度、流體流量和壓力損失等參數，並採用無量綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折流板的換熱與流動情況。
  6. When the punched baffle is proper in length, the small holes are in staggered arrangement and the punched ratio gradually increases from the central axis to the boundary along the baffle length, the performance of flow distribution in the plate - fin heat exchanger is effectively improved by the optimum design of header configuration

    從實驗對比分析中得出，當擋板小孔呈錯排分佈、開孔率沿擋板的中軸線向兩側逐漸增加、且總開孔率達到50 %左右的時候，在相同的入口條件下，不均勻系數由原始封頭的1 . 210降至0 . 209 ，最大流速與最小流速之比由23 . 163降至1 . 756 。
  7. Spiral baffle plate heat exchanger improved heat changing efficiency salient, reduced the press with great, control the damage from the shake, reduced the possibility of dirt subside, it has many merit

    摘要螺旋折流板換熱器顯著地提高了換熱效率，大幅度降低了壓力降，控制了振動造成的破壞，減少了污垢沉積的可能性，具有諸多優點。
  8. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  9. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  10. In the study, sl / w has two values : 0. 67 and 1. 33. used the method of analyzing the influence of d / w on the channel ' s heat transfer and flow resistance, we found the results of the heat transfer : no 3 baffle is better than no 5 baffle

    在實驗研究的s1 w的兩個值0 . 67和1 . 33中，運用分析d w對通道換熱和流動阻力影響的類似分析方法，得出總體換熱效果按從好到劣的次序依次為2 #板、 4 #板。
  11. The theoretical analysis of large cryocondensation pump for nbi was mainly concerned. this paper emphasized on analyzing and calculating the heat load of cryocondensation pump, simulating thermal transmission coefficient and molecule transmission coefficient of radiation baffle according to monte carlo method, analyzing the process on cryo - surface and the factor of affecting pumping speed and hydrogen layer thickness of influencing cryo - parameter, etc. finally by verifying the pumping speed on large cryocondensation pump for neutral beam injection system, the pumping speed of 4. 0x105l / s ( for h2 ) was proven to be reasonable

    本文首先介紹了中性束注入系統的國內外發展狀況，闡述了中科院等離子體所ht - 7中性束注入系統的構成，主要對用於中性束注入系統的大型低溫冷凝泵的特性進行了理論分析；對冷凝抽氣面的熱負載進行了分析計算；用蒙特卡羅法對輻射擋板的分子傳輸幾率與熱傳輸幾率進行了模擬計算；研究了低溫表面的處理方法對抽速的影響以及氫層厚度對各低溫參數的影響；最後對用於中性束注入系統的大型低溫冷凝泵的抽速進行了驗證，得出的結論是：選取40萬升秒的抽速是合理的。
  12. We studied its characteristics of enhanced heat transfer and flow resistance. this article analyzed the influence of some parameters on channel ' s enhanced heat transfer and flow resistance. such as re, the hole ' s diameter with no unit d / 1, level center distance with no unit sl / 1 and vertical center distance s2 / l etc. and compared the characteristics with the no hole baffle

    本文對通道內設置多種開孔折流板的換熱與流動阻力特性進行了實驗研究，討論分析了雷諾數re以及通道內設置開孔折流板的無量綱孔徑d w 、無量綱水平中心距s1 w和無量綱垂直中心距s2 w等多個參數對通道強化換熱與流動阻力特性的影響。
  13. In the test, the d / w has three values : 0. 2 0. 13 and 0. 7, we used the ratio of nu to nu0 to analyze the characteristics of the channel ' s heat transfer, used the ratio of f to f0 to analyze the characteristics of the channel ' s flow resistance. through the efficiency ( the was defined the ratio of nu / nu0to f / fo ) we measure the influences of different infinitude date on the channel ' s heat transfer, we found the results of the heat transfer : no 3 baffle is the best, no 5 baffle is better than model 8

    在實驗選取d w的三個值0 . 2 、 0 . 13和0 . 7中，運用無量綱準則數nu nu _ 0隨re的變化曲線分析了通道強化換熱特性；運用f f _ 0隨re的變化曲線分析了通道的阻力特性；通過綜合開孔換熱效率衡量不同無因次量對通道的綜合強化換熱影響。
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