heat transfer level 中文意思是什麼
heat transfer level
解釋
傳熱水平-
( 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。 -
Analysis of heat transfer characteristics in the level tube with ipsa algorithm
法對水平管內流動沸騰傳熱特性的分析 -
The effective heat - transfer temperature difference ( t _ i ) of every effect of multi - effect evaporation subsystem and the preheat temperature rise ( t _ ( p, j ) ) of every level of multi - level preheat subsystem of the design model were distributed by equal heating area, equal heat - transfer temperature difference, and free proration methods. the simulation of design has been conducted by matrix method combined with iterative method. the free proration method transformed the decision variables from t _ i and t _ ( p, j ) with complex restriction into _ i 、 _ p, jwith the value range of 0 1, and provided a simple and convenient method for optimum design
操作型模型分別以t _ 0 、 t _ k 、處理量f _ 0 、出料濃度x _ ( az )等不同控制變量為未知變量並採用矩陣法結合迭代法進行操作模擬計算;在操作模擬計算的基礎上,建立了復雜多效蒸發系統操作優化模型,該模型以濃縮成本最小為優化目標,以t _ k和f _ 0為決策變量,採用遺傳演算法結合矩陣法求解。 -
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。 -
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。
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