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Crankshaft angular velocity of a ten-cylinder diesel engine as a diagnostics parameter

Author(s):
1. Stojko Biočanin, Ministarstvo Odbrane Republike Srbije, Serbia
2. Željko Bulatović, Vojnotehnički Institut Beograd, Serbia
3. Aleksandar Milašinović, Mašinski fakultet Univerziteta u Banjoj Luci, Republic of Srpska, Bosnia and Herzegovina


Abstract:
This paper presents methods of measurement and analysis of instantaneous angular velocity at the free end of a ten-cylinder OM403 engine crankshaft regarding different operating conditions in the engine cylinders. The angular velocity was measured under laboratory conditions, by using an opto-electronic incremental rotary encoder, directly mounted on the free end of the crankshaft. Additionally, a simplified mathematical model for instantaneous angular velocity of the crankshaft has been developed which simulates the same operating conditions in the engine cylinders as during the experiment. At the end, the results of the measurement and mathematical model were analyzed and compared. The goal of this paper is to give a practical contribution to studies introducing the measured crankshaft speed as a key parameter for the detection of working cycle disturbances in particular engine cylinders.

Key words:
diagnostic,angular velocity,crankshaft,diesel engine

Thematic field:
Automotive and Traffic Engineering

Date of abstract submission:
15.02.2015.

Conference:
12th International conference on accomplishments in Electrical and Mechanical Engineering and Information Technology (DEMI 2015)

Final paper

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