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一、引言 由于常规能源储量有限,无法长期满足人类日益增加的能量需求,因此开发新能源和节约常规能源已成为世界各国普遍重视的课题。在现阶段在低焓能源的转换和利用中,人们注意到了低沸点工质。然而开发并利用低温热能,在现阶段还存在着工质热物性数据缺乏等问题。为编制低沸点工质热力性质图和表,本文提出了一个精度高、实用范围广的状态方程。
I. INTRODUCTION Due to the limited conventional energy reserves and the inability to meet the ever-increasing energy needs of mankind for a long time, developing new energy and saving conventional energy has become a topic of universal importance in all countries in the world. At this stage in the low-enthalpy conversion and utilization of energy, people have noticed that the low boiling point working fluid. However, the development and utilization of low temperature thermal energy, there are still some problems such as the lack of thermophysical properties data. In order to prepare thermodynamic properties of low boiling point working fluid diagram and table, this paper presents a state equation with high accuracy and wide practical range.