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Title
The Effect of DI Engine Intake Parameters on the Gas Exchange Process

ISSN printed: 1733-8670, ISSN on-line: 2392-0378
Borkowski, Tadeusz1
URI: https://repository.am.szczecin.pl/handle/123456789/1058
2004-03-10
When hot exhaust gas is mixed with inlet air, the charge to a diesel engine is modi-fied in different ways: the charge temperature increases, the total charge mass is re-duced and the charge composition changes. This paper is concerned with the residual gas fraction that is usually determined by straight CO2 measurement in a sample of gas extracted from a cylinder during the compression stroke. A general zero-dimensional model for calculating the residual gas fraction in reciprocating internal combustion engines has been formulated. The model accounts for both the trapped gas in the cylin-der at top dead center and the back-flow of exhaust gas into the cylinder during the valve overlap period. The effect of EGR introduction has been discussed.
  1. Borkowski T., The Assessment of Air Mass Change in Slow Speed Marine Engines in Thermodynamic Cylinder Models, Zeszyty Naukowe nr 71, Wyższa Szkoła Morska w Szczecinie, 2003.,
  2. Benson R. S., The Thermodynamics and Gas Dynamics of Internal- Combustion Engines, Volume I, Clarendon Press, Oxford 1982.,
  3. Heywood J. B., Internal combustion engine fundamentals, McGraw-Hill, Inc. 1988.,
  4. Seneeal P.K., Xin J., Reitz R.D., Predictions of Residual Gas Fraction in IC Engines, SAE Paper 962052.,
  5. Ladommatos N., Abdelhalim S. M., Zhao H., Effects of exhaust gas recirculation temperature on diesel engine combustion and emissions, Proc. Instn. Mech. Engrs. Vol 212 Part D, IMechE 1998.,
  6. Ladommatos N., Abdelhalim S. M., Zhao H., The effects of exhaust gas recirculation on diesel combustion and emissions, Int. J Engine Research, Vol. 1 no. 1, 2000.,

Title

The Effect of DI Engine Intake Parameters on the Gas Exchange Process

Pages

67-80

Figures

8

Tables

2

ISSN printed

1733-8670

ISSN on-line

2392-0378

DOI

Type

Journal

01 Scientific Journals of the Maritime University of Szczecin, no. 1 / 2004

Publisher

Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie

Copyright Holder

Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie

Published

2004-03-10

Recieved

2004-01-06

Accepted

2004-02-06

Funding

No data

Keywords

analysis, modelling, Marine four stroke engines

URI:

https://repository.am.szczecin.pl/handle/123456789/1058

Authors

Borkowski, Tadeusz1

Affiliation

1 Akademia Morska w Szczecinie Instytut Technicznej Eksploatacji Siłowni Okrętowych ul. Wały Chrobrego 1/2, 70-500 Szczecin, t.borkowski@am.szczecin.pl

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