A two-dimensional mathematical model has been developed to predict the transport of mass, momentum and energy in a cylindrical combustion chamber.

本文提出了预测圆筒型加热炉燃烧室内质量、动量及能量传递的二维数学模型。

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On the assumption of "Y", a three-dimensional model is obtained for the linear acoustic combustion in a rocket motor.

通过提出一个“Y假设”，本文求得了一个固体火箭发动机线性声振荡燃烧的三维理论模型。

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A quasi dimensional combustion model for spark ignition engines was developed.

提出了一个火花点火发动机准维燃烧模型。

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Some studies indicate it takes more than five times as long to sell a hybrid than a traditional internal combustion engine model, which may explain one of the many reasons why hybrid sales are not growing above 3.5% of the market.

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