磨料流体——改善柴油机喷管排气微通道几何特性的手段

D. Popa, C. Morariu
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引用次数: 0

摘要

为了获得符合日益严重的污染标准的汽车,以及以低成本获得其中的一些,有必要对燃料流体通过喷嘴的流动孔的流动采取技术经济的方法。通过对液压流道几何特性的加氢抛光作用,对流道进行建模,减少气穴现象,实现高性能。所使用的流体是具有接近柴油的性质并且具有悬浮的SiC微粒的流体(在这种情况下制造成本降低)。本文分析了磨料流对喷嘴几何参数的影响,以及对热力发动机运行的影响。这些结果提供了一种识别参数的方法,这些参数可以进行比较和评估,以实现所需的流体动力学效率水平。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ABRAZIVE FLUID - MEANS OF IMPROVEMENT THE GEOMETRIC CHARACTERISICS OF THE DIESEL NOZZLE EXHAUST MICROCHANNEL
In order to obtain automobiles that comply with the increasingly severe pollution standards, as well as to obtain some of them at low costs, a technical-economic approach to the flow of the fuel fluid through the flow holes of the injection nozzles is necessary. Through the effect of hydropolishing the geometric characteristics of the hydraulic flow path, the flow path is modeled, reducing cavitation and achieving high performance. The fluid used is a fluid that has properties close to diesel and has SiC microparticles in suspension (manufacturing costs in in this case they are reduced). The article contains an analysis of the influence of the abrasive flow on the geometric parameters of the nozzle and implicitly on the operation of thermal engines. The results provide a means of identifying parameters that can be compared and evaluated in order to achieve the desired level of hydrodynamic efficiency.
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