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Thermal ScienceVolume 17, Issue 1, 2013, Pages 35-48

Aspects of volumetric efficiency measurement for reciprocating engines(Article)(Open Access)

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  • aFaculty of Engineering, University of Kragujevac, Kragujevac, Serbia
  • bFaculty of Mechanical Engineering, Banja Luka, Republic of Srpska, B and H, Serbia

Abstract

The volumetric efficiency significantly influences engine output. Both design and dimensions of an intake and exhaust system have large impact on volumetric efficiency. Experimental equipment for measuring of airflow through the engine, which is placed in the intake system, may affect the results of measurements and distort the real picture of the impact of individual structural factors. This paper deals with the problems of experimental determination of intake airflow using orifice plates and the influence of orifice plate diameter on the results of the measurements. The problems of airflow measurements through a multi-process Otto/Diesel engine were analyzed. An original method for determining volumetric efficiency was developed based on in-cylinder pressure measurement during motored operation, and appropriate calibration of the experimental procedure was performed. Good correlation between the results of application of the original method for determination of volumetric efficiency and the results of theoretical model used in research of influence of the intake pipe length on volumetric efficiency was determined.

Author keywords

Flow measurementInternal combustion enginePowerVolumetric efficiencyVolumetric flow rate

Indexed keywords

Engineering controlled terms:Exhaust systems (engine)Flow measurementFlow rateInternal combustion enginesOrificesPlates (structural components)
Engineering uncontrolled termsEfficiency measurementEngine outputExperimental equipmentsIntake and exhaust systemsOrifice platePowerReal picturesReciprocating enginesVolumetric efficiencyVolumetric flow rate
Engineering main heading:Efficiency
  • ISSN: 03549836
  • Source Type: Journal
  • Original language: English
  • DOI: 10.2298/TSCI120531153P
  • Document Type: Article
  • Publisher: Serbian Society of Heat Transfer Engineers

  Pešić, R.B.; Faculty of Engineering, University of Kragujevac, Serbia;
© Copyright 2022 Elsevier B.V., All rights reserved.

Cited by 7 documents

Lee, C.-Y. , Veera, D.J.
Optimizing Volumetric Efficiency by Conducting Engine Parameter Studies Using Design of Experiments
(2023) Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering
Elmoselhy, S.A.M. , Faris, W.F. , Rakha, H.A.
Validated analytical modeling of diesel engines intake manifold with a flexible crankshaft
(2021) Energies
Reddy, D.S.K. , Kumar, P.
Application of CFD in the Design of Reciprocating Engine for Light Commercial Vehicle Applications
(2021) Energy, Environment, and Sustainability
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