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   天然气喷流 在 动力工程 分类中 的翻译结果: 查询用时:0.519秒
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天然气喷流
相关语句
  natural gas jet
    Calculating Model of Natural Gas Jet Used in MPI System
    MPI燃料供给方式的天然气喷流计算模型
短句来源
    Visualization of Natural Gas Jet Used in MPI System
    MPI燃料供给方式的天然气喷流可视化研究
短句来源
    NUMERICAL SIMULATION OF THE UNSTEADY STATE NATURAL GAS JET
    非稳定天然气喷流的数值模拟
短句来源
    The visualization of air- natural gas mixing process in a transparent intake manifold has been investigated by means of the Schlieren method. The instantaneous images of the mixing and natural gas jet process were photographed.
    本文采用纹影法开展了进气管内天然气-空气混合过程的可视化研究,拍摄了透明进气管内天然气-空气混合过程和天然气喷流的瞬时图像。
短句来源
    The diameter of jet pipe, injection velocity, air flow velocity and the throttle opening had fundamental effects on the diffusion of the natural gas jet.
    喷管直径、喷射速度、空气流量和节气门开度对控制天然气喷流的扩散有重要影响。
短句来源
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  “天然气喷流”译为未确定词的双语例句
    To verify the feasibility of non steady jet theoretical model of natural gas,a schlieren device was used to observe the starting and fully developed process of gas jet.
    使用纹影照相法观察了定容装置内从喷射阀喷出的天然气喷流的起动、发展过程。
短句来源
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  natural gas jet
The present study was focused on the turbulent velocity field of a central annular natural gas jet which penetrated a strongly swirling air flow.
      


With correction of Witze's calculating model for the effects of the jet density and the supersonic jet expanded outside the nozzle,equations for simultaneous estimation of the supersonic and transient natural gas jet characteristics have been developed in the paper.Moreover the velocity penetration and spray angle of jet were calculated in various nozzle radius.The transient natural gas jet extending process used in MPI system was also revealed.

将 Witze的亚音速非稳定空气喷流模型进行密度修正、超音速喷射引起的气体膨胀的影响等修正之后 ,建立了描述超音速非稳定天然气喷流发展过程的基础方程式 ,计算了不同喷孔直径的天然气喷流速度、贯穿距离以及喷射角 ,探明了 MPI方式的非稳定天然气喷流的发展过程

To verify the feasibility of non steady jet theoretical model of natural gas,a schlieren device was used to observe the starting and fully developed process of gas jet.The measurements processed with portrait processor show that the penetration of gas jet is proportional to the square root of time,this is very similar to the calculated results with the theoretical model,so non steady jet process of natural gas is revealed.

使用纹影照相法观察了定容装置内从喷射阀喷出的天然气喷流的起动、发展过程。经画像处理得到的测定值表明 ,天然气喷流的贯穿距离与喷射时间的平方根成正比。这与从理论模型得到的计算结果是相当一致的 ,由此探明了非稳定天然气喷流的发展过程

The developing process of the impulsively started natural gas jet was numerically simulated. The velocity fields, density fields were investigated. Investigations on the structure of the jet proved that the compression action of the potential vortex in downstream of the jet upon the jet flow accounted for the existing of the unsteady state region in the jet. And the shapes and tip penetrations of the natural gas jet obtained from the calculated mass distributions were in good agreement with the measurements...

The developing process of the impulsively started natural gas jet was numerically simulated. The velocity fields, density fields were investigated. Investigations on the structure of the jet proved that the compression action of the potential vortex in downstream of the jet upon the jet flow accounted for the existing of the unsteady state region in the jet. And the shapes and tip penetrations of the natural gas jet obtained from the calculated mass distributions were in good agreement with the measurements obtained experimentally using schlieren method.

突发天然气喷流的发展过程被数值模拟 ,考察了天然气喷流内部的速度场、密度场等 .表明了在喷流下流的势涡流对喷流体的挤压作用是产生喷流的非稳定区域的原因 .并且 ,由数值计算的天然气喷流的质量分布图得到的喷流形状和贯穿距离等与由纹影照相得到的实验结果是相当一致的 .

 
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