THERMAL SCIENCE

International Scientific Journal

Hessamedin Naeimi

,

Davood Domiry Ganji

,

Mofid Gorji-Bandpy

,

Ghasem Javadirad

,

Mojtaba Keshavarz

A PARAMETRIC DESIGN OF COMPACT EXHAUST MANIFOLD JUNCTION IN HEAVY DUTY DIESEL ENGINE USING CFD

ABSTRACT
Nowadays, computational fluid dynamics codes (CFD) are prevalently used to simulate the gas dynamics in many fluid piping systems such as steam and gas turbines, inlet and exhaust in internal combustion engines. In this paper, a CFD software is used to obtain the total energy losses in adiabatic compressible flow at compact exhaust manifold junction. A steady state onedimensional adiabatic compressible flow with friction model has been applied to subtract the straight pipe friction losses from the total energy losses. The total pressure loss coefficient has been related to the extrapolated Mach number in the common branch and to the mass flow rate ratio between branches at different flow configurations, in both combining and dividing flows. The study indicate that the numerical results were generally in good agreement with those of experimental data from the literature and will be applied as a boundary condition in one-dimensional global simulation models of fluid systems in which these components are present.
KEYWORDS
total pressure loss coefficient, numerical simulation, compact exhaust manifold junction, experimental data
PAPER SUBMITTED: 2010-04-17
PAPER REVISED: 2011-05-03
PAPER ACCEPTED: 2011-05-06
DOI REFERENCE: https://doi.org/10.2298/TSCI100417041N
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2011, VOLUME 15, ISSUE Issue 4, PAGES [1023 - 1033]
REFERENCES
  1. Kesgin, U., Effect of turbocharging system on the performance of a natural gas engine, Energy Conversion and Management,Vol. 46, 2005, PP.11-32.
  2. Galindo, J., Lujan, J.M., Serrano, J.R., Dolz, V., Guilain, S., Design of an exhaust manifold to improve transient performance of a high-speed turbocharged diesel engine, Experimental Thermal and Fluid Science, Vol. 28, 2004, PP. 863-875.
  3. Kesgin, U., Study on the design of inlet and exhaust system of a stationary internal combustion engine, Energy Conversion and Management,Vol. 46, 2005, PP. 2258-2287.
  4. Hu, X., Lawless, PB., Predictions of on-engine efficiency for the radial turbine of a pulse turbocharged engine. SAE paper 2001-01-1238, 2001.
  5. Bassett, M.D., Pearson, R.J., Winterbone, D.E., Steady-flow loss-coefficient estimation for exhaust manifold pulse converter type junctions. SAE Paper 1999-01-0213, 1999.
  6. Yang, S.Y., Deng, K.Y., Cui, Y., Simulation and experimental research on a mixed pulse converter turbocharging system, Journal of Automobile Engineering, Vol. 221, 2007, PP. 215-223.
  7. BOOST, User Manual for AVL BOOST, AVL List GmbH, Department for Applied Thermodynamics, 1996, www.avl.com
  8. GT Power - User's manual. GT Suite Version 5.1. Gamma Technologies Inc., USA, 2000.
  9. Miller DS. Internal flow systems. 2nd ed. Cran®eld: The British Hydromechanics Research Association, 1990.
  10. Basset, M.D., Winterbone, D.E., Pearson, R.J., Modelling engines with pulse converted exhaust manifolds using one-dimensional techniques, 2000, SAE paper 2000-01-0290.
  11. Chiatti, G., Chiavola, O., Multicode prediction of the influence of the exhaust system on the performance of a turbocharged engine, J. Eng. Gas Turbines Power, ASME 124 (3) (2002) 695-701.
  12. Shaw, C.T., Lee, D.J., Richardson, S.H., Pierson, S., Modelling the effect of plenum-runner interface geometry on the flow through an inlet system, 2000, Paper SAE 2000-01-0569.
  13. Gan, G., Riffat, S.B., Numerical determination of energy losses at duct junctions, Appl. Energy 67 (2000) 331-340.
  14. Abou-Haidar, N.I., Dixon, S.L., Pressure losses in combining subsonic flows through branched ducts, Trans. ASME, J.Turbomach. 114 (1) (1992) 264-270.
  15. Pearson, R.J., Masset, M.D., Batten, P., Winterbone, D.E., Multidimensional wave propagation in pipe junctions, 1999, Paper SAE 1999-01-1186.
  16. FLUENT user's guide. USA: Fluent Inc., 1995.
  17. Chan, C.L., An investigation of the performance of a diesel engine fitted with compact manifold, M.Sc. Thesis, University of Manchester Institute of Science and Technology, 1985.
  18. Swamee, P. K., Jain, A. K., Explicit equations for pipe-flow problems, J. Hydraulic Div. Proc. ASCE, May 1976, PP. 657-664.
  19. Winterbone, D.E., Pearson, R.J., Theory of Engine Manifold Design. Wave Action Methods for IC Engines, Professional Engineering Publishing, London, 2000.
PDF VERSION [DOWNLOAD]
A parametric design of compact exhaust manifold junction in heavy duty diesel engine using CFD

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence