In order to study the fuel mass flow rate regulation characteristics of tube-in-hole for solid fuel ramjet, the flow field of turbulent combustion was numerically analyzed.
为了研究固体燃料冲压发动机内部套管结构调节燃料流量的特性，对某模型发动机的湍流燃烧流场进行了数值分析。
Solid mass rate at different gas flow is forecasted by using improved BP neural network in dense phase pneumatic conveying.
结果表明，BP网络能对不同实验条件下的固体质量流率进行较好的预测。
The result shows improved BP neural network can successfully forecast solid mass rate under different experimental conditions and solid mass rate contour diagram at different gas flow is plotted.
结果表明，BP网络能对不同实验条件下的固体质量流率进行较好的预测。
With increase of mass flow rate, solid-gas ratio increases first and then decreases.
随着煤粉的输送流量的增大，固气比先增大后减小。
The liquid-solid mass transfer coefficients and liquid flow-rate within the catalyst capsule have been measured in a countercurrent flow column by this study.
通过气液在塔内的逆向流动，测定了液固传质系数和催化剂包内流速。
The liquid-solid mass transfer coefficients and liquid flow-rate within the catalyst capsule have been measured in a countercurrent flow column by this study.
通过气液在塔内的逆向流动，测定了液固传质系数和催化剂包内流速。
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