湿度图的计算机模拟及其应用

空气湿度图被广泛应用于工程湿空气性质的计算，常压条件下空气一水系统的湿度图较为常见，而不同压力下，适用于不同温度及不同系统的湿度图较少报道，并且利用湿度图人工读图查湿空气的性质误差较大。因此，利用Origin 5．0和Visual Basic 5．0可视化语言，对空气湿度图进行计算机模拟，开发湿度图的计算机绘制及物性数据查询软件。该软件可绘制不同压力、不同适用温度范围、不同系统条件下的湿度图，并能准确迅速地查询不同条件下湿空气的性质。软件运行稳定，界面友好，易于操作。

The computer simulation and application of the hygrogram chart

The hygrogram chart was adopted widely to calculate the properties of mixture of air and vapor.The hygrogram chart for thesystem air-water at 1 atm was common.The hygrogram charts that were suitable for the system air-water at any temperatures and any to-tal pressures,the systems besides air-water were less reported.So it was necessary to simulate hygrogram chart by Origin 5.0 and Visu-al Basic 5.0 and develop the software for plotting of hygrogram charts and inquiring of humid air properties.The hygrogram charts couldbe drawn for any systems at any total pressures and any temperature ranges by this software.The nature data of humid air also could berequired quickly and accurately.The software ran steadily and its interface was friendly,and was easy to operate.