evaporation coefficient 中文意思是什麼

evaporation coefficient 解釋
蒸發系數
  • evaporation : n. 1. 蒸發（作用），發散，升華沉澱作用。2. 脫水（法）。3. 蒸氣。4. （電子的）發射。5. 蒸發量。6. 消散。
  • 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 estimation methods of water requirement, and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter

    （ 4 ）夏玉米田棵間土壤蒸發主要發生在灌后幾天表層土壤比較濕潤的時期內，其中表層土壤含水率和葉面積指數是影響土面蒸發的兩個基本因素。
  2. Observation experiment and analysis calculation on phreatic water evaporation coefficient

    潛水蒸發系數的觀測實驗與分析計算
  3. 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。
  4. 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。
  5. 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。
  6. 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換熱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。
  7. 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。
  8. 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。
  9. The design model of seawater desalination with the tvc falling - film evaporation process was deduced. the transfer coefficient of falling - film evaporation process was analyzed in detail. and the effect of the parameter change of process steam to the operation of the device was calculated and discussed

    本文主要開展tvc壓縮蒸餾海水淡化技術研究，建立了tvc壓縮噴淋降膜蒸餾海水淡化裝置的設計模型，對降膜蒸發過程的傳熱系數進行了詳細的分析，並對工作蒸汽參數變化對裝置運行的影響進行了分析計算。
  10. Comparing this cycle with the evaporation compression refrigerating cycle, the new cycle has more high coefficient of performance ( cop ) under the same condition

    該循環與現在冰箱中所採用的蒸氣壓縮式製冷循環相比較，在條件相同的情況下具有較高的性能系數。
  11. Another important conclusion the present study reached is that the controlling of diffusion coefficient do and evaporation coefficient f0 is efficient for the deduction of the possibility of the " popcorn " delaminations, in specific with controlling evaporation coefficient

    對裂尖能量釋放率的影響較大，因此，控制擴散系數do和蒸發系數f 。能有效地降低電子元件發生「爆米花」式脫層斷裂的可能性，尤其是控制蒸發系數f 。
  12. Based on the j c chen double mechanisms superposition model, the experimental formula of the heat transfer coefficient on the evaporation side in the smooth tube was obtained. considering the influence of spring to the falling film, the formula of heat transfer coefficient on the evaporation side in the vertical tube with spring inserts was obtained. the predicated heat transfer coefficient through this two formulas was finely accord with the experimental result, and the error was basically under 10 %

    在jcchen雙機理加和模型的基礎上，得出了光管降膜蒸發側傳熱系數的實驗關聯式，並考慮了螺旋線對降落液膜的影響，得出了管內插入螺旋線的降膜蒸發側傳熱系數關聯式，這兩個關聯式預測的傳熱系數與實驗值吻合良好，誤差基本在10以內。
  13. The influence of difference in temperature, reynolds number of film, vacuum degree and spring parameter to the heat transfer capability on the evaporation side was studied through the uniform wall temperature experiment, by the result, the heat transfer coefficient on the evaporation side can be improved by inserting spring with proper parameter. when the reynolds number was between 4000 and 14000, and the heat transfer coefficient can be improved nearly 30 percents by inserting the fifth spring when the reynolds number nearly was 12000

    採用8種參數的螺旋線，通過恆壁溫實驗探討了傳熱溫差、雷諾數、真空度和螺旋線參數對蒸發側傳熱性能的影響，結果表明，插入參數合適的螺旋線，在雷諾數為4000 14000范圍內可以提高蒸發側傳熱系數，在雷諾數為12000左右時，加入5號螺旋線可以使蒸發側傳熱性能提高30左右。
  14. At first, by theoretically analyzing the instance of heat transfer on the umbrella - plate evaporator. the formula of the heat transfer coefficient on the evaporation side in the umbrella - plate could be obtained

    首先對傘板的傳熱情況進行了理論分析，得出了傘板蒸發側傳熱系數的計算式。
分享友人
分享到 Line

分享到臉書