The flow field in the swirl chamber of a motored diesel engine was measured by Laser Doppler Anemometry (LDA).
本文报导了采用激光技术对柴油机涡流室内流场进行实测的结果。
The gas motion in a cylindrical swirl chamber is analysed and an expression with a spiral locus of air flow toward the chamber center is derived.
本文对圆柱形涡流室内气体流动进行了分析,导出了在室内气体流动轨迹呈螺线状进入室中心时的表达式。
By analysis, optimum matching of combustion system of swirl chamber engine is believed to be capable of improving heat release rate and fuel economy.
通过分析,认为对涡流室柴油机燃烧系统进行优化匹配,可改善放热规律,从而提高经济性。
The method can be used for combustion Chambers with any shape to match the fuel injection pressure, nozzle construction, injector position and intake swirl ratio with chamber shape.
该方法可适于任意形状的燃烧室,能反映出喷油压力、喷油嘴结构及安装位置、进气涡流比等参数与燃烧室形状的匹配关系。
The ignition and combustion process are affected by the temperature field in the swirl chamber of a diesel engine.
柴油机涡流室内的温度场对着火和燃烧过程有非常重要的影响。
This paper presents a calculating method of combustion heat release rate in swirl chamber diesel engines.
本文提供了涡流室柴油机燃烧放热率的计算方法。
This paper proposes a new method to predict heat release rate from fuel injection rate in swirl chamber diesel engines.
提出了由喷油规律预测涡流室柴油机总放热规律和主、副室放热规律的一种新方法。
The results showed that, when the mixture was used to the diesel engine with swirl chamber the engine performance including fuel economy and smoke emission could be improved remarkably.
试验结果表明,当这种喷油器运用于涡流室式柴油机时,可以起到降低发动机燃油消耗与排气烟度的作用;
The top of the clean channel is provided with an opening linked with the swirl chamber.
所 述的清洁通道顶端有与涡流室连接的开孔。
The jet swirl spinning device provided through the invention has the advantage that the cleaning for the swirl chamber can be efficiently and effectively carried out.
本发明提供的一种喷气涡流纺纱装置的优点是能够对涡流室进行快速有效的清洁。
The dilute gas-particle flows in a cyclone chamber with axial and tangential inlers of different swirl numbers were studied by using a Phase-Doppler Particle Anemometer(PDPA).
利用相位多普勒仪(PDPA)系统研究了不同旋流数下突扩旋风筒内气粒两相湍流特性的变化规律。
By use of laser-Moire deflectometry, the transient temperature field in the swirl chamber has been measured with an actual engine and a lot of clear Moire photographs have been obtained.
作者首次采用激光莫尔偏折技术对涡流室内非稳态温度场进行了实机测试,获得了清晰的莫尔条纹图;
The three dimensional flow field for the bell type swirl chamber diesel engine is first calculated. The calculated results and LDV measured data are compared, which show fairly good agreement.
首次对吊钟型涡流室式柴油机的流场进行了3维计算,计算结果与LDV实验结果具有良好的一致性。
As the air inlet diameters increase, the intake central swirl is intensified and thus fuel evaporation in the first combustion chamber is improved.
加大进气孔直径使进气中心涡流增强,燃油在一级燃烧室中蒸发量增加。
The pan temperature of swirl combustion chamber is highest. This paper describes several relative parameters for that part temperature , and proposes a quick cyclical experimental method.
柴油机中涡流燃烧室的镶块温度最高,本文讨论了影响其温度的诸参数,并提出快速周期试验法。
The method was called the orthogonal simulated calculation method. The orthogonal simulated calculation was used to the combustion system of S195 swirl chamber diesel engine.
用这种方法对S195非直喷式柴油机燃烧系统进行了正交模拟计算,并用该样机的正交试验优化结果对正交模拟优化结果进行了验证和对比。
A thermodynamic and a 2-d numerical computational model are proposed for calculating the discharge coefficient of connecting passage of swirl chamber diesel engine.
建立了计算涡流室柴油机连接通道流量系数的热力学模型和二堆数值计算模型。
A thermodynamic and a 2-d numerical computational model are proposed for calculating the discharge coefficient of connecting passage of swirl chamber diesel engine.
建立了计算涡流室柴油机连接通道流量系数的热力学模型和二堆数值计算模型。
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