FEATURES OF DETERMINATION OF THE EFFICIENCY OF DEVICES FOR IMPROVEMENT OF ECOLOGICAL SAFETY LEVEL OF VEHICLES WITH RECIPROCATING ICE EXPLOITATION

O. Kondratenko, G. Chernobay, Ju. F. Derkach, S. Kovalenko
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引用次数: 1

Abstract

This article describes the results of analysis and numerical study of prof. I.V. Parsadanov conversion formula as the one of relevant issues of the metrological features of determination of particulate matter mass hourly emission in ex ­ ha ­ ust gases flow of reciprocating internal combustion engine on the testing bench without dilution tunnel. Purpose of the study is detection of relationship between magnitudes of cle­an­ing efficiency coefficients of particulate matter fil­ter of diesel reciprocating internal combustion engine for unburned hydrocarbons volume con­­centration in exhaust gas flow and emission of particulate matters with using of conversion formula for whole dia­­pason of chan­ging of influen ­ cing factors . Ob­ject of the study is ef­fi­ci­ency of operation of sys­tem of neu­tralization of le­gis­la­tive nor­malized pollu­tants in di­e­sel internal combustion engine exhaust gases flow, na­mely particulate matter filter. Subject of the study is re­la­tionship between mag­ni­tu­des of indica­tors that cha­rac­terized object of the study which con­ne­c­ted with each other by conversion for­mu­la. It was showed that the magni­tudes of values of efficiency coefficients of opera­tion of particu ­ la ­ te matter filter of diesel reciprocating internal combustion engine for indicators of opacity and concentration of un­bur­ned hy­dro­carbons in exhaust gas which was obtained by direct measu­rements during bench motor tests and al­so mass hourly emi­ssion of particulate matter in exha­ust gas flow which was ob­tained with using of the conversion for­mu ­ la, is not equal to each other for eve ­ ry individual opera­tio­nal regime of die­sel engine. Calculation assessment and graphical illustration of relati ­ on ­ ship between magni­tu­des of this coefficients for unburned hydrocarbons volume con ­ centration in exhaust gas flow and emission of particulate mat­ter for whole diapason of changing of influencing fac ­ tors was carried out. For the first time it was detec­ted the differences bet­ween magnitudes of values of ef­fi­ciency co ­ ef ­ ficients of particulate matter filter operation process of diesel internal combustion engine in pairs for mass hourly particulate matter emission with exhaust gases flow and opacity and toxicity of exhaust gases which con­ne­c­ted with each other by con­version formula.
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往复采冰车辆生态安全水平提高装置效率测定特点
本文介绍了在无稀释隧道试验台上往复内燃机排气中颗粒物质量小时排放计量特性测定的相关问题之一,Parsadanov教授换算公式的分析和数值研究结果。研究的目的是利用影响因素变化的全直径换算公式,检测柴油机往复式内燃机尾气中未燃碳氢化合物体积浓度与颗粒物排放的净化效率系数大小之间的关系。本研究的对象是柴油机尾气流中易挥发的归一化污染物中性化系统(即颗粒物过滤器)的运行效率。本研究的主题是表征研究对象的指标之间的关系,这些指标之间的关系是通过转换得到的。结果表明,柴油往复式内燃机微粒物质过滤器运行效率系数对发动机台架试验中直接测量的废气中未燃碳氢化合物的不透明度和浓度指标的取值范围,以及使用转换法获得的废气流中微粒物质的每小时排放质量的取值范围。对于柴油机的每一个单独的运行工况来说,两者是不相等的。在影响因素变化的整个过程中,对废气中未燃烃体积浓度与颗粒物排放系数的绝对值之间的关系进行了计算、评价和图解。通过换算公式,首次检测了柴油内燃机微粒过滤器运行过程中质量小时颗粒物排放量随尾气流量的变化以及相互关联的废气不透明度和毒性的效率系数值的大小之差。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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