換熱系數 的英文怎麼說

中文拼音 [huànshǔ]
換熱系數 英文
heat transfer coefficient
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The heat coefficient changing of the heater and reheat ; c. the leakage test of the working substance ; d. the damage test for the heat pipes of the radiator, were taken

    分析了穩態參,完成了:吸負荷擾動試驗、吸器及回換熱系數變化試驗、工質泄漏試驗、輻射器管損壞試驗等多個模擬實驗。
  2. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明,不同孔位出流的由於孔排下游表面來流速度及葉片表面曲率的不同而有不同的規律,而主流雷諾對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小,吹風比對換熱系數影響較大(特別是導葉) ,並且隨氣膜孔位置和來流雷諾的變化而情況復雜。
  3. 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和較大的沖擊間距比下,後排射流的沖擊效果要遜於前排射流。
  4. C. the condensation temperature has negligible effect on the mean heat transfer coefficient at a same oil concentration

    同一含油率下,冷凝溫度對平均換熱系數幾乎沒有影響。
  5. C ) the condensation temperature has negligible effect on the mean heat transfer coefficient at a same oil concentration

    C )同一含油率下,冷凝溫度對平均換熱系數幾乎沒有影響。
  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實驗,得出鼓式制動器對流換熱系數的求解公式。
  7. 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及阻力的實驗關聯式。
  8. B ) the average evaporation heat transfer coefficient decreases with the increasing of the oil concentration

    B )不同含油率下,沸騰平均換熱系數隨質量含油率的增加而增加。
  9. C ) the evaporation temperature has negligible effect on the average evaporation heat transfer coefficient at the same oil concentration

    C )同一含油率下,蒸發溫度對平均換熱系數影響不大。
  10. The investigation on the evaporation heat transfer characteristics in a horizontal micro - fin tube for r290 - 3gs mixture shows : a ) the average evaporation heat transfer coefficient of the mixture increase with the increasing of the mass flux

    R290含油混合物在水平微肋管內流動沸騰特性的實驗研究表明: a )隨著質量流率的增加,含油混合物微肋管內的沸騰平均換熱系數增加。
  11. Inversion analysis of volumetric heat transfer coefficient for porous aluminum

    多孔鋁對流換熱系數的反演分析
  12. A new method of determining the convective heat - transfer coefficient

    對流換熱系數測定的一種新方法
  13. Dropwise condensation heat transfer coefficient on the horizontal circular surface with radial gradient surface energy

    圓形徑向梯度表面能材料表面的凝結換熱系數
  14. The effects of blow ratio and rows on film cooling effectiveness and heat transfer coefficient was studied

    研究了吹風比、孔排等因素對氣膜冷卻效果和換熱系數的影響。
  15. B. the mean condensation heat transfer coefficient decreases with the increase of the oil concentration

    不同含油率下,冷凝平均換熱系數隨著質量含油率的增加而降低。
  16. B ) the mean condensation heat transfer coefficient decreases with the increase of the oil concentration

    B )不同含油率下,冷凝平均換熱系數隨著質量含油率的增加而降低。
  17. Calculation method of heat transfer coefficient of air - side heat exchanger of air source heat pump water chiller heater

    空氣源泵冷水機組空氣側換熱系數的計算方法
  18. Temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared

    對空心鋼錠凝固過程的溫度場進行了有限元分析,對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比,並討論了耐火材料典型部位的溫度隨凝固時間的變化。
  19. Abstract : temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared

    文摘:對空心鋼錠凝固過程的溫度場進行了有限元分析,對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比,並討論了耐火材料典型部位的溫度隨凝固時間的變化。
  20. By quantitative calculation and analysis, this article will discuss the application in power plant of a new kind pipe - double sides micro - finned heat transfer enhancing tube, which is widely used in research due to its high heat transfer coefficient

    雙側微肋強化管是一種新型管,由於其高換熱系數得到廣泛研究與應用,但對于面較多的電廠來說應用還未見有報道。
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