涡轮增压氢气机工作过程的特征和变化

Features of Turbocharged Hydrogen Engine Working Processes and Its Variation

从增压氢发动机的数学模型出发 ,对其工作过程进行了模拟 ,进而对运行性能进行了计算和预测。根据氢发动机的燃烧与热负荷工况确定了增压参数 ,由插值和叠代试算得到了增压器与氢发动机的运转工况。研究表明 ,适当选取发动机的压缩比和点火提前角可提高氢发动机的工作效率、降低燃料消耗。混合气成分的变化与增压压力。

Based on mathematics patterns,engine working processes have been simulated so that the performance can be estimated and predicted under several parameter change and variation.The calculation of the parameters during boosting process is done based on the analysis of the combustion processes and load variation.The turbocharger characteristic coefficient can be defined by iteration and interpolation procedures.The proper compression ratio and ignition advance are proved to be of important role to its performance.And the excessive air coefficient is related to the engine boost pressure and exhaust temperature.