• 喷雾喷雾均匀度燃油喷嘴两个重要指标

    Atomization Angle and uniformity are two key parameters of fuel spray nozzle.

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  • 伞形喷雾径向贯穿距离远小于多孔喷雾喷雾锥喷雾早期急剧减小

    However, the radial penetration distance of umbrella spray was much shorter than that of multi hole spray and the umbrella spray Angle decreased rapidly in the early stage of spray development.

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  • 贯穿距离喷雾喷雾轴心速度浓度衰减影响大于启喷压力

    It shows that the effects of back pressure on penetration, spray cone Angle, and decline rate of centerline velocity and concentration of the spray are greater than that of fuel injection pressure.

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  • 燃烧室壁面附近柴油喷雾迅速增大DME喷雾锥几乎没有明显变化

    Near the chamber wall and impingement spray, the spray angle of the diesel fuel spray increased very fast, but that of the DME spray almost had no significant change.

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  • 喷雾发动机蒸发燃烧过程显著的影响,存在一个最佳喷雾锥角使上述过程达到最优。

    It is found that there are optimum swirl ratio and spray Angle for better evaporation and combustion.

    youdao

  • 提出了基于模糊C均值聚类图像匹配检测喷雾喷雾不均匀度方法并应用发动机喷嘴性能检测。

    A method based on fuzzy C-mean clustering and image matching algorithms are proposed to detect atomization Angle and uniformity, applied to performance test-bed of engine nozzle.

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  • 结果表明对于比较明亮且无阴影图片应用灰度范围就能够保证喷雾测量误差在5%以内贯穿距离的测量误差在1%以内;

    The results show that bright images used in gray scope can assure the measuring error scope within 5% of spray cone angle and the measuring error scope within 1% of penetration distance.

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  • 据称,一环境无害喷雾能用预防疾病防范真菌葡萄园威胁,覆盖高速列车的鼻

    He spray, which is harmless to the environment, can be used to protect against disease, guard vineyards against fungal threats and coat the nose cones of high-speed trains, it has been claimed.

    youdao

  • 采用MIXTURE数值模拟方法研究压力涡流喷嘴结构因素形成中空喷雾影响

    The influence of structure factor of pressurized-swirl injector nozzle on hollow cone spray was studied by using MIXTURE dual phase flow numeric simulation method.

    youdao

  • 具有中心气管。以此获得理想喷雾效果

    It has swirling flow chamber, central air exhausting pipe and fluid scattering cone with multiple orifices to obtain an ideal atomizing effect.

    youdao

  • 随着中间包坩埚金属体液面的降低熔体质量不断减小,从而使雾化喷雾密度函数发生改变。

    The research results show that, when the melt in the tundish is decreasing, the mass flow rate of melt will decrease, and so the spray density function will change.

    youdao

  • 随着中间包坩埚金属体液面的降低熔体质量不断减小,从而使雾化喷雾密度函数发生改变。

    The research results show that, when the melt in the tundish is decreasing, the mass flow rate of melt will decrease, and so the spray density function will change.

    youdao

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