木文探讨了变能容双泵轮液力变矩器设计计算中的一项重要内容——原始特性的计算和预测。并详细介绍了采用微型电子计算机进行计算的方法和程序。文中详细介绍了原始特性计算中数学模型的建立方法和程序框图。同时介绍了一个计算实例。为了证实计算的可靠性,文中并将计算结果与试验结果进行了对比。 Mu Wen discussed an important part of the design and calculation of variable capacity twin-impeller torque converter - the calculation and prediction of the original characteristics. The methods and procedures of calculating with microcomputer are introduced in detail. In this paper, the establishment method and the block diagram of mathematical model in the calculation of original characteristics are introduced in detail. At the same time introduced a calculation example. In order to verify the reliability of the calculation, the calculation results are compared with the experimental results.