Comparison of spectral analysis of vibration using commercial knock sensor and 3-axisacceleration sensor

Łukasz Zieliński , Damian Walczak , Krzysztof Szczurowski , Stanisław Radkowski

Abstract

With the development of internal combustion engines, engineers attempt to reduce the noise and vibration generated. Due to the high cost of fuel, are increasingly looking for new sources of power in order to reduce costs. In diesel engines, an increasingly popular method is the admixture of propane-butane. This follows because of the price of the fuel as well as to improve the efficiency of combustion. With the development of this type of dual fuel power seems to be a reasonable study of the effects of LPG to generate noise and vibration, as well as an attempt to evaluate the combustion process. Unfortunately, too much addition of LPG causes a phenomenon called knock consisting in abnormal, uneven, explosive combustion of fuels in reciprocating engines. This phenomenon may lead to a reduction in engine performance and permanent damage. Control of the knock detection uses vibration acceleration sensors recording the high frequency ranges. Within the framework of the research conducted by the team of authors, an attempt was made to compare the vibroacoustic signals originating from the commercial knocking sensor with a three-axis acceleration sensor. These signals were subject to a quick Fourier transform in the purpose of analysing the amplitude spectra
Author Łukasz Zieliński IP
Łukasz Zieliński,,
- Institute of Vehicles
, Damian Walczak IP
Damian Walczak,,
- Institute of Vehicles
, Krzysztof Szczurowski IP
Krzysztof Szczurowski,,
- Institute of Automotive Engineering
, Stanisław Radkowski IP
Stanisław Radkowski,,
- Institute of Automotive Engineering
Pages1-9
Publication size in sheets0.5
Book Brzezanski Marek, Mitianiec Wladyslaw (eds.): Scientific Conference on Automotive Vehicles and Combustion Engines (KONMOT 2016), 2016, IOP Conference Series: Materials Science and Engineering, ISBN 9781510830547, 833 p., DOI:10.1088/1757-899X/148/1/012057
Keywords in Polishczujnik spalania stukowego, 3-osiowy czujnik przyspieszeń, analiza widmowa, LPG, dwupaliwowy, drgania
Keywords in Englishknock sensor, 3-axis acceleration sensor, spectral analysis, LPG, dual fuel, vibration
URL http://iopscience.iop.org/article/10.1088/1757-899X/148/1/012057
Languageen angielski
Score (nominal)15
ScoreMinisterial score = 15.0, 30-05-2017, BookChapterMatConf
Ministerial score (2013-2016) = 15.0, 30-05-2017, BookChapterMatConf
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