| 蒸汽热力状态参数计算方法的研究 |
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| 引用本文： | 孙玉宝,李恩山,田贯三,李兴泉.蒸汽热力状态参数计算方法的研究[J].煤气与热力,2006,26(10):49-51. |
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| 作者姓名： | 孙玉宝 李恩山 田贯三 李兴泉 |
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| 作者单位： | 1. 山东建筑大学,热能工程学院,山东,济南,250101
2. 城市建设研究院,北京,100029 |
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| 基金项目： | 山东省教育厅科技发展项目(J04D12) |
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| 摘 要： | 介绍了状态方程及蒸汽热力状态参数计算公式IAPWS-IF97等计算精度较高的蒸汽热力状态参数计算方法。选取温度低于623.15 K的未饱和水区、过热蒸汽区、湿蒸气或饱和线区中的多个压力、温度状态点对三者的计算精度进行比较,在进行蒸汽管网水力计算时宜采用IAPWS-IF97。
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| 关 键 词： | 蒸汽热力状态参数 IAPWS-IF97 状态方程 |
| 文章编号： | 1000-4416（2006）10-0049-03 |
| 收稿时间： | 2006-03-24 |
| 修稿时间： | 2006-03-24 |
Study on Calculation Method of Steam Thermal State Parameters |
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| SUN Yu-bao,LI En-shan,TIAN Guan-san,LI Xing-quan.Study on Calculation Method of Steam Thermal State Parameters[J].Gas & Heat,2006,26(10):49-51. |
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| Authors: | SUN Yu-bao LI En-shan TIAN Guan-san LI Xing-quan |
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| Affiliation: | 1. School of Thermal Energy Engineering, Shandong Institute of Architecture and Engineering, Jinan 250101, China; 2. Urban Construction Design and Research Institute, Beijing 100029, China |
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| Abstract: | The methods for calculating stream thermal state parameters accurately,including state equations,calculation formula IAPWS-IF97 etc.are introduced.The multiple state points of pressure and temperature in unsaturated water zone of temperature below 623.15 K,superheated vapor zone and wet steam or saturated line zone are selected,and the calculation accuracy of the three zones is compared.IAPWS-IF97 should be adopted when the hydraulic calculation of steam network is conducted. |
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| Keywords: | stream thermal state parameter IAPWS-IF97 state equation |
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