蒸氣干度 的英文怎麼說

中文拼音 [zhēnggān]
蒸氣干度 英文
dryness fraction
  • : Ⅰ動詞1. (蒸發) evaporate2. (利用水蒸氣的熱力使食物熟或熱) steam Ⅱ名詞[中醫] (將藥物隔水蒸熟) steaming
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 蒸氣 : steam; vapour蒸氣供暖 steam heating; 蒸氣管 steam pipe; 蒸氣管道 steam pipeline; 蒸氣渦輪機 steam...
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管發器結構特點進行分析,選取適當的微元控制體,就、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的發器數學模型,為系統模擬奠定基礎; 2 )對發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對發器動態特性的影響即發器性能對各參數變化的敏感性; 4 )編寫翅片管發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空溫濕和霜厚分佈場,實現對翅片管發器在、濕和霜工況下的動態模擬。
  2. On the basis of virial state equation and the corresponding - states principle, a state equation of corresponding - states - virial is proposed to calculate thermodynamics properties of humid air, which is used as working substance in humid air turbine and compressed air energy storage ( caes ) system at high temperature and high pressure. the activity coefficient method and eos method are utilized to calculate the vapor - liquid equilibrium state of humid air. main contents of study listed as following : 1

    用本文提供的計算模型對、水汽和濕空的第二、第三維里系數進行了計算,並與asher提供的維里系數進行比較; 3 .用本文提出的對應態維里方程,計算得到濕空的壓縮因子,濕在0 w 1kg / kg ( a )的范圍內時,與實驗數據吻合較好。
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