surface heat transfer coefficient 中文意思是什麼

surface heat transfer coefficient 解釋
表面熱傳達系數
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  • 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;...
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。
  2. 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
  3. The magnitude of the maximum value, as well as the time to reach such maximum value, varies with geometry and surface heat-transfer coefficient.

    最大值的及達到此最大值的時間均隨幾何形狀和表面熱傳導系數而變。
  4. Finned tube is welded the finned helix pieces on the smooth tube, expanding 4 ~ 10 times of the heat transfer surface, highly elevated the heat - transfer coefficient of the tube to reach the purpose of rapid, efficient heat transferring

    翅片管是在鋼管外表面焊上螺旋型翅片,擴展外表面傳熱面積4 10倍,大幅提升管子的傳熱系數,達到高效快速傳熱的目的。
  5. ( 3 ) for parameterization of the sensible heat, the positively correlation between surface temperature and bulk transfer coefficient lead to a positive additional sub - scale flux. its magnitude is determined by the grid average roughness and average wind velocity on the reference level

    ( 3 )對區域感熱通量的計算而言,由於地表溫度和整體輸送系數產生一個正的次網格通量項,它主要由網格平均粗糙度和參考高度平均風速所決定。
  6. The heat transfer coefficient at the gas temperature ranging from 500 to 1248 between stave and furnace gas is determined by the combination of calculation model of temperature field and the temperature value of hot surface calculated from the temperature measured near hot surface

    用試驗測量冷卻壁近熱面溫度來推算冷卻壁熱面溫度,與冷卻壁溫度場計算模型結合,確定了爐氣溫度在500 ~ 1248范圍內,高爐冷卻壁與爐氣之間的換熱系數。
  7. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試,得到了常用生土建築材料的密度、比熱和導熱系數等參數值,得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合函數關系式;此外,研究了生土建築圍護結構表面質交換系數實驗測定方法,探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  8. Analyses the determination of surface heat transfer coefficient, interior building envelope load, air infiltration load, equipment load and heat storage load, etc

    摘要分析了民用建築舒適性空調負荷計算中表面傳熱系數、內圍護結構負荷、滲透風負荷、設備負荷、蓄熱負荷的確定等問題。
  9. Enhanced heat transfer tube with spiral - surface has simple frame, cheap cost, and wide - ranging purpose. only few dirt can adhere to it and is easy to be washed. it has distinct strengthen effect, and can improve chief heat transfer coefficient at 35 - 40 % comparing with smooth tube exchanger which has same volume and pump power consumption

    螺旋型表面強化管結構簡單,成本低廉,用途廣泛,結垢少且易清洗,其強化效果明顯,與體積、消耗泵功率相同的光管式換熱器相比,螺旋槽管換熱器可以將總傳熱系數提高35 40 ,因而備受人們青睞。
  10. A correlation was studied out here :, for experiment with sparger 1 # ;, for experiment with sparger 2 #. sparger decreased interfacial heat transfer coefficient, total clotted liquid and steam energy transfer and weakened surface temperature vibration. it also decreased thickness of hot water layer, attenuated steam condensation and shortened the time of balance

    加裝遮流板使實驗初期階段的表面冷凝換熱系數hif降低76 93 ;減少了累計凝結量67以上;降低蒸汽流能量的傳遞,使表面溫度波動顯著降低;減少了熱水層的厚度;減緩了蒸汽凝結的劇烈程度,大大縮短了系統壓力平衡需要的時間。
  11. Compared with traditional air - conditioning, its advantages lie in thermal comfort energy efficiency free use of spacing and etc. this paper introduces the procedure and the result of the experiment of gas - heater radiant floor system and gshp radiant floor system and compares them with traditional air - conditioner. based on the analysis of the heat transfer of radiant floor, this paper uses the theory of heat transfer to establish a mathematical model and computes it with difference equation. the important factors inferred from the model such as floor surface temperature heat intensity composite heat transfer coefficient deviate from the experiment result in a small range of 20 % and fit the need of the practical use

    在分析了輻射地板傳熱機理的基礎上,文中利用熱傳導、大空間的自然對流換熱等傳熱學理論建立了輻射地板的傳熱模型,再採用有限差分方法對模型求解,所得有關輻射地板供冷熱性能的重要參數如地板表面平均溫度、熱流密度、地板表面復合換熱系數等與實測值相差在20以內,滿足工程使用要求;同時得出輻射地板盤管供水溫度是影響地板供冷熱性能的重要因素的結論。
  12. The characteristic of surface radiation, energy balance, albedo, bulk momentum transfer coefficient cd and bulk sensible heat transfer coefficient ch between surface and atmosphere over rainfed field are analyzed based on the data of land - surface process field experiment in the dingxi arid meteorology and ecological environment experimental station

    利用中國氣象局蘭州乾旱氣象研究所定西乾旱氣象與生態環境試驗基地取得的地氣相互作用觀測試驗資料,分析了地表輻射、地表能量平衡、地表反射率、總體輸送系數等特徵。
  13. To solve the mathematic equations, the method based on condensation degree was used. the distributions of temperature, concentration and mass flux on the film surface ; of temperature and concentration in the vapor ; of heat transfer coefficient in the vapor and in the liquid were obtained by applying the model in the flow field

    採用冷凝度的方法對該數學模型進行求解,得出了汽相的濃度分佈和溫度分佈,界面處濃度分佈、溫度分佈和傳質速率分佈,以及汽相和液相的傳熱系數分佈。
  14. Surface coefficient of heat transfer

    表面傳熱系數
  15. 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 。
  16. Pressures, water level, surface and axial temperatures and total clotted liquid were obtained and analyzed. by experimental phenomenon, the condensation process was divided into two phases : steam supply limit and condensation limit. the interfacial heat transfer coefficient in steam supply limit phase was calculated

    通過實驗,觀察飽和蒸汽在cmt內的冷凝現象,獲取cmt內壓力、水位變化、表面、軸向溫度分佈和累積冷凝量等重要實驗數據,對實驗所得的數據進行分析。
  17. Effects of surface - to - nozzle distance and high - temperature plate ' s surface temperature on spray cooling heat transfer coefficient

    噴霧冷卻中射流出口高度和高溫鋼板表面溫度對換熱系數的影響
  18. ( 3 ) in co - revolution disc cavity, heat transfer coefficient which is high on most region of disc surface show that the co - revolution avails the heat transfer on disc surface

    ( 3 )在共轉盤腔結構中,大部分區域盤面的換熱系數都較高,表明共轉狀態對盤面的換熱有利。
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