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題 名 | 蒸汽熱力學性質數值之計算程式設計=A Study on the Numerical Calculation of the Steam Thermodynamic Properties |
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作 者 | 張國平; | 書刊名 | 技術學刊 |
卷 期 | 6:4 1991.12[民80.12] |
頁 次 | 頁325-332 |
分類號 | 446.3 |
關鍵詞 | 蒸汽性質; 數值計算; Steam properties; Numerical calculation; |
語 文 | 中文(Chinese) |
中文摘要 | 本文利用計算機技巧將蒸汽(steam)、比容(specific volume)、比焓(specific enthalpy)、比熵(specific entropy)等熱力學性質建立四個資料檔,包括過熱蒸汽區、蒸汽一液體飽和區、被壓縮液體區及固一汽飽和區。然後設計一計算程式,能計算在任何溫度、壓力下蒸汽的比容值、比焓值及比熵值。並將程式計算結果與常用之蒸汽表(包含飽和蒸汽表、過熱蒸汽表及被壓縮液態水表等)作一比較,以求出各區域比容值、比焓值及此熵值之平均誤差;進而對計算程式加以修正,期能獲得較準確之比容、比焓、比熵程式計算值。 |
英文摘要 | This paper presents the use of computer software dBASEIII to establish four data files with respect to steam thermodynamic proper-ties, such as specific volume, specific enthalpy, and specific entropy etc. These four data files include superheat region, liquid-vapor saturated region, compressed liquid water region, and solid-vapor saturated region. A program for calculating specific volume, specific enthalpy, and specific entropy values was designed. The values for any allowable temperature and any allowable pressure condition. The values compared with the standard values, and the average error were presented. At the end, the program were modified to fit the standard values. |
本系統中英文摘要資訊取自各篇刊載內容。