thermodynamics enthalpy 中文意思是什麼
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Then it analyses refrigeration the principle and characteristic of the automobile air - conditioner, and investigates and compares the thermodynamics theory and methods of testing of the automobile air - conditioner ' s performance, it introduces the method of the difference of enthalpy especially
對汽車空調的製冷原理和特點進行了分析，並對現有的汽車空調性能檢測熱工原理和方法進行了比較分析，對採用的焓差法進行了重點介紹。 -
The working parameters ( specific enthalpy, entropy, flux of working fluid, reynolds number, etc. ), the configuration parameters of the main components, such as steam turbine - generator group, evaporator and ehd condenser and system efficiency were calculated on the base of thermodynamics theory
文中以熱力學理論為基礎，計算了低溫余熱發電系統的運行參數（比焓、熵、工質流量、雷諾數、管路壓力等）和各主要組件如汽輪機-發電機組、蒸發器和ehd冷凝器的結構參數，並計算了系統的效率。 -
Examinations of steady status and analysis of dynamic experiments have been conducted on band - tube evaporator and parallel - flow condenser using r134a refrigerant. the steady examination show that the model error was under the allowable error, the inlet mass and enthalpy disturb experiments indicate that the subsection model, be good at reflecting the change of parameters of the heat exchanger, accord with the basic principle of thermodynamics theory and the actual work status. hence, the subsection simulation model research has important benefits both on theory and engineering application
在進行模擬試驗時，以使用r134a作製冷劑的管帶式蒸發器和平行流式冷凝器為對象，完成了穩態模擬計算、試驗和動態模擬分析，穩態計算結果和試驗數據對比表明，其誤差在允許范圍內；進口質量和焓值的擾動試驗結果表明：本文所建的區段式換熱器模擬模型，能很好的反映換熱器性能參數的動態變化，與系統熱動力學理論和冷凝器、蒸發器的實際工作過程基本一致。 -
Studying the structure optimization of the operating unit thermodynamics system with the classic optimization method, using the theory of equivalent enthalpy drop and state equation
利用等效熱降法理論以及熱力發電廠熱力系統經濟性狀態方程的理論，採用經典優化方法對運行機組的熱力系統進行結構優化。
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