Abstract
The paper presents the possible applications of using acoustic diagnostics
in inspecting the technical condition of an internal combustion engine
with autoignition on the example of the Fiat drive unit with common rail
system. As a result of measuring the sound pressure level for specific
faults and comparing the noise generated by the motor running smoothly,
the detailed maps of changes in the acoustic spectrum are possible to
generate. These results may be helpful in the future diagnostics of
internal combustion engines. In the paper, the results of scientific work
in the area of research, design and operation of internal combustion
engines, conducted at the Department of Automotive Engineering, in
cooperation with the Laboratory of Hydraulic Drives & Vibroacoustics of
Machines at the Wroclaw University of Technology are included.
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