condensation coefficient 中文意思是什麼

condensation coefficient 解釋
冷凝薄熱系數
  • condensation : n. 1. 濃縮；【物理學】冷凝（作用），凝聚（作用）；壓縮；縮合；凝塊。2. （著作等的）壓縮；壓縮后的形式，節本。
  • 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. The results indicate that the qualitative behavior in this process is similar to that observed in condensation of vapor at or above atmosphere pressure, the coefficient of heat transfer for condensation in tube, the coefficient of heat transfer in total increase with the increasing of heat flux density and vapor pressure. however, heat flux density and vapor pressure have a more significant effect on them

    發現水平管內低壓蒸汽冷凝過程與常壓條件下蒸汽冷凝過程相同，管內冷凝傳熱膜系數、總傳熱系數隨熱流密度、蒸汽壓力的增大而增大，但熱流密度、蒸汽壓力對低壓蒸汽冷凝有著更為顯著的影響，管外冷卻水流量對其影響並不明顯。
  2. 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。
  3. 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。
  4. Eev should be selected for various refrigeration systems according to the thermal properties of refrigerants ; the discharge coefficient of eev is sensitive to the aperture and impulse quantity of eev ; when the eev structure is made, the discharge coefficient goes up with the lowering of evaporation temperature or goes down with the hoisting of the condensation temperature. it is le

    對于不同工質的冷藏集裝箱製冷系統，電子膨脹閥應該根據具體製冷劑的熱力性質選取；電子膨脹閥流量系數對孔徑和脈沖數比較敏感；在結構固定時，流量系數隨蒸發溫度的降低而升高，隨冷凝溫度的增加而增大，受過冷度變化的影響較小；電子膨脹閥的容量受孔徑影響最大。
  5. 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
  6. 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。
  7. 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。
  8. The optimum inclination angle is between 15 ~ 20, the length of thermosyphon will not change the phase - change heat transfer coefficient of the evaporation section and the condensation, which will enlarge heat transfer area of thermosyphon and increase the heat exchange capacity. the head - on speed of wind only stranger the heat transfer of the evaporation section and the condensation section. the experiment shows that the mathematic model closely fits to the thermosyphon, moreover, the one key to resolve the thermosyphon effect lies in decreasing the thermoresistance of evaporating section and condensation section. this study can provide directions and experience in the future research

    傾斜角越大，熱虹吸管總熱阻越大，最佳傾角在15 20之間;充液率過多或過少都會對傳熱性能產生不利影響，對于本實驗採用的1 . 75m 、 2m 、 2 . 5m 、 3m熱虹吸管，最佳充液率在20 % 35 %之間;管長對傳熱也有影響，管長不改變熱虹吸管蒸發段和冷凝段的換熱系數，只增加了熱虹吸管的換熱面積，增大換熱量;迎面風速的大小，起到強化熱虹吸管蒸發段和冷凝段換熱的目的。
  9. With md method, we studied evaporation and condensation process. by statistically analyzing the behavior of the colliding molecules with the interface, we presented a novel method, namely, the characteristic time method, to calculate the evaporation / condensation coefficient. in this method, the condensed then re - evaporated process is considered

    對蒸發與凝結過程進行了分子動力學研究，提出了統計凝結系數的新方法- -特徵時間法，該方法通過統計獲得有效區分反射過程和凝結再蒸發過程的特徵時間，從而使求得的凝結系數近似程度更好。
  10. Through analysis, the theoretical solution of the condensation heat transfer coefficient of horizontal tubes with annular fins is obtained. the theoretical results are compared with the experimental ones

    本文通過理論推導，獲得了水平環肋管外冷凝表面傳熱系數的理論計算公式，然後把理論值與實驗值進行了比較。
  11. 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。
  12. Firstly, based on nusselt ' s theory, a three - dimensional coordinates model is built to deal with condensation heat transfer on the side of the fin. with the model, the condensation heat transfer mechanism on the side of the fin is analyzed. as a result, an integral expression is obtained to calculate the condensation heat transfer coefficient on the side of the fin

    首先，本文以nusselt理論為基礎，運用三維坐標建立了肋片側面的冷凝傳熱模型，對肋片側面的冷凝傳熱機理進行了分析，得出了肋側冷凝表面傳熱系數的積分表達式，並與傳統解法的理論公式進行了比較。
  13. There will be a hot water layer in the water of cmt when vapour spews to uppercooling water surface vertically and coagulates directly. the higher of the vapour pressure of prz and the initial water temperature of cmt are, the deeper the hot water layer is. and obtaining the experience formula of the hot water layer is as follows : the condensation coefficient is high when vapour coagulate at first, then it will lessen with the process of coagulation, the higher of the vapour pressure of prz and the initial water temperature of cmt are, the higher of condensation coefficient is

    蒸汽垂直噴入過冷水表面凝結時， cmt中水有明顯熱分層現象， prz中飽和蒸汽壓力越高， cmt中水初始溫度越高，熱分層厚度越大，熱分層厚度的經驗關聯式為：凝結剛開始時，凝結換熱系數非常大， ，隨著凝結的進行，凝結換熱系數越來越小， prz中飽和蒸汽壓力越高， cmt中水初始溫度越高，凝結換熱系數越大。
  14. 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。
  15. With the characteristic time method, we also studied the condensation coefficients of water and argon in liquid - vapor equilibrium system. the simulated condensation coefficient decreases with the increase of temperature for both argon and water, and the condensation coefficient of water is larger than that of argon. though the polarity and the rotation are considered in the simulation of water, the difference between the condensation coefficients of water and argon is not remarkable

    模擬獲得的lennard - jones流體和水在平衡條件下的凝結系數表明：水和氬的凝結系數為溫度的減函數；水的凝結系數略高於氬的凝結系數；雖然在水的模擬中考慮了分子的極性、旋轉等因素，但模擬獲得的水與氬的凝結系數之間的差距並不顯著，具體原因仍有待于進一步的探討。
  16. Based on the above deduction, the numerical solution of the condensation heat transfer coefficient outside horizontal tubes with annular fins is obtained

    在此基礎上，推導出水平環肋管在數值解法下的管外冷凝表面傳熱系數理論值的計算公式。
  17. And last, the experimental data are treated by using a program, and a comparison between the theoretical and the experimental results of the condensation heat transfer coefficient outside horizontal tubes with annular fins is conducted

    最後，編寫了計算程序，進行數據處理，求得管外冷凝表面傳熱系數的理論值與實驗值，對二者進行了比較，分析了誤差產生的原因，提出了冷凝器的改進方法。
  18. 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。
  19. The experimental results of the condensation coefficient obtained from the liquid and vapor temperatures near the interface and the results from md simulations are in the same order, but those obtained from the bulk liquid and bulk vapor temperatures are four to five orders lower than the results from md simulations

    採用準穩態方法對水的蒸發過程進行了實驗研究。研究表明，使用界面溫度獲得的蒸發系數實驗結果與分子模擬獲得的凝結系數差距不大，但採用主流區溫度獲得的蒸發系數與模擬計算結果相差可達4 ~ 5個量級。
  20. 2. the investigation on the condensation heat transfer characteristics in a horizontal micro - fin tube for hc600a - oil mixture shows : a. the condensation heat transfer coefficient of the mixture increases with the increasing of the mass flux

    2 、關于hc600a含油混合物水平微肋管內的冷凝換熱特性的研究表明：混合物微肋管內冷凝平均換熱系數隨著質量流率的增加而增加。
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