A mathematical model is presented for the volumetric combustion of a homogeneous fuel mixture in compression‐ignition and forced‐ignition engines. With careful consideration of all combustion parameters, the profile of the burning rate has a two‐peak structure. A simple nonlinear heat conduction problem was solved to illustrate the importance of including the isobaric process and heat conduction as functions of the temperature. The study shows that, when the pre‐exponential parameter was chosen as a calibrated parameter, the ignition delay time significantly depends on the start of combustion and the pressure in the common rail, while the effect of the engine speed seems less noticeable. The results can be extended to quasi‐sized combustion models.

中文翻译：

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双燃料柴油机的燃烧模型

提出了一种用于压燃和强制点火发动机中均质混合气的容积燃烧的数学模型。在仔细考虑所有燃烧参数的情况下，燃烧速率的曲线具有两峰结构。解决了一个简单的非线性热传导问题，以说明包括等压过程和热传导作为温度函数的重要性。The study shows that, when the pre‐exponential parameter was chosen as a calibrated parameter, the ignition delay time significantly depends on the start of combustion and the pressure in the common rail, while the effect of the engine speed seems less noticeable. 结果可以扩展到准燃烧模型。