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首页> 外文期刊>Russian journal of physical chemistry, B. >Effect of the Shape of an Organic Water-Coal Fuel Particle on the Condition and Characteristics of Its Ignition in a Hot Air Flow
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Effect of the Shape of an Organic Water-Coal Fuel Particle on the Condition and Characteristics of Its Ignition in a Hot Air Flow

机译：热风中有机水煤燃料颗粒形状对其点火条件和点火特性的影响

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摘要

The results of experimental studies of the effect of the shape of an organic water-coal fuel (OCWF) particle on its ignition delay time and the time of its complete burnout in a hot air flow are reported. Three most common shapes of real particles, such as spherical, ellipsoidal, and irregular-polyhedron-like, are considered. It is shown that the shortest ignition delay time and the time of complete burnout correspond to poly-hedron- shaped OCWF particles. Conditions are identified under which this factor significantly influences the ignition characteristics. The experiments were carried out at initial particle sizes (averaged maximum values) of 0.5-5 mm and temperatures and velocities of the oxidant flow of 600-900 K and 0.5-5 m/s, respectively. The main components of the studied fuels were coal processing wastes and waste motor, turbine, and transformer oils.
机译：报告了有机水煤燃料（OCWF）颗粒形状对其着火延迟时间和在热气流中完全燃尽时间的影响的实验研究结果。考虑了三种最常见的真实粒子形状，例如球形，椭圆形和不规则多面体形。结果表明，最短的点火延迟时间和完全燃尽时间对应于多面体形状的OCWF颗粒。确定条件，在该条件下该因素会显着影响点火特性。实验是在0.5-5 mm的初始粒径（平均最大值）和600-900 K和0.5-5 m / s的氧化剂流速和温度下进行的。研究的燃料的主要成分是煤炭加工废料和废电机油，涡轮机油和变压器油。

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