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 Forest Science for Sustainable Development of Forests25 Years of Forestry of the Republic of Srpska - confOrganiser.com

Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska

December 7 - 9, 2017.

IDENTIFICATION OF COMBUSTION NOISE

Author(s):
1. Ivan Grujic, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
2. Jovanka Lukic, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
3. Danijela Miloradović, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
4. Aleksandar Davinić, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
5. Nadica Stojanovic, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia


Abstract:
Noise is unpleasant sound that can have harmful effect on people’s health. Motor vehicles and working machines are mobile sources of noise, in which engine is one of the key elements that create noise. Engine noise can be divided into mechanical noise and combustion noise. Diesel engines are always considered to be louder, and, as such, they were used to identify engine combustion noise. Increase of pressure in engine cylinder is typical for combustion noise. Based on this, an experiment was performed, during which a cylinder pressure and noise emitted by the engine were simultaneously recorded. By coherence analysis of acquired data, it was concluded that it is possible to separate engine combustion noise from mechanical noise of the engine.

Key words:
motor vehicles, diesel engine, pressure, coherence analysis.

Thematic field:
Automotive and Traffic Engineering

Date of abstract submission:
03.02.2017.

Conference:
13th International Conference on Accomplishments in Mechanical and Industrial Engineering

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