DETECTION OF KNOCKING COMBUSTION IN A SPARK IGNITION ENGINE USING OPTICAL SIGNAL FROM THE COMBUSTION CHAMBER

被引：0

作者：

Piernikarski, Dariusz ^{[1
]}

Hunicz, Jacek ^{[1
]}

Komsta, Henryk ^{[1
]}

机构：

[1] Lublin Univ Technol, Fac Mech Engn, Inst Transport Combust Engines & Ecol, PL-20618 Lublin, Poland

来源：

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY | 2013年 / 15卷 / 03期

关键词：

knocking combustion; optical measurements; spectral flame properties; chemiluminescence; fiber optics; FLAME;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The aim of the presented research was to investigate spectral properties of the combustion flame with special regard to the detection and estimation of intensity of knocking combustion. Research was made using modified single cylinder test engine with spark ignition (SI) equipped with an optical sensor having direct access to the combustion chamber. Measurements were based on wideband intensity of optical radiation and chemiluminescence phenomena occurring in the combustion flame under the influence of high temperature and pressure. Spectral recordings were done for wavelengths typical for emission of intermediate products, covering the range from 250 nm to 625 nm, including typically investigated radicals like C-2, CH, CN, OH. Obtained results confirmed, that occurrence and intensity of knock can be determined on the basis of further signal analysis. Comparison with in parallel recorded indicated pressure have shown that characteristics of emitted spectra is more sensitive to the changing of engine operating conditions.

引用

页码：214 / 220

页数：7

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