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TECHNICAL PAPERS

Geometric Parameters Influencing Flow in an Axisymmetric IC Engine Inlet Port Assembly: Part II—Parametric Variation of Valve Geometry

[+] Author and Article Information
Andreas Maier, Terry H. Sheldrake, Dennis Wilcock

School of Computing, Engineering and Technology, University of Sunderland, Sunderland, United Kingdom

J. Fluids Eng 122(4), 658-665 (Jun 06, 2000) (8 pages) doi:10.1115/1.1311791 History: Received January 11, 2000; Revised June 06, 2000
Copyright © 2000 by ASME
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References

Luke,  C. E., 1906, “The Pressure Drop through Poppet Valves,” Trans. ASME, 27, pp. 232–301.
Lewis, G. W., and Nutting, E. N., 1918, “Airflow through Poppet Valves,” NACA Report, No. 24.
Tanaka, K., 1929 “Airflow Through Suction Valve of Conical Seat,” Aeronautical Research Institute Report, Tokyo Imperial University, Part 1, pp. 262; Part 2, p. 361.
Wood,  G. B., Hunter,  D. U., Taylor,  E. S., and Taylor,  C. F., 1942, “Air Flow through Intake Valves,” Trans. of SAE, 50, p. 212.
Kastner,  L. J., Williams,  T. J., and White,  J. B., 1963–1964, “Poppet Inlet Valve Characteristics and their Influence on the Induction Process,” Proc. Inst. Mech. Eng., 178, Part 1, No. 36, pp. 955–975.
Annand,  W. J. D., 1969, “Engine Breathing,” Auto. Eng., 7, pp. 50–55.
Pope,  J. A., 1967, “Techniques Used in Achieving a High Specific Airflow for High-Output, Medium-Speed Diesel Engines,” ASME J. Eng. Power, 89, pp. 265–275.
Bicen, A. F., and Whitelaw, J. H., 1983, “Steady and Unsteady Flow through an Intake Valve,” Imperial College, Mech. Eng. Dept. Report, No. FS/83/11.
Vafidis, C., and Whitelaw, J. H., 1984, “Steady and Pulsating Air Flow Through a Stationary Intake Valve of a Reciprocating Engine,” Imperial College, Mech. Eng. Dept. Report, No. FS/84/04.
Bicen A. F., Vafidis C., and Whitelaw J. H., 1984, “Steady and Unsteady Air Flow through an Intake Valve of a Reciprocating Engine,” Proc. Symp. of Flows in IC Engines., pp. 47–55.
Gosman A. D., and Ahmed A. M. Y., 1987, “Measurement and Multidimensional Prediction of Flow in an Axisymmetric Port/Valve Assembly,” SAE Technical Paper 870592.
Weclas,  M., Melling,  A., and Durst,  F., 1998, “Flow Separation in the Inlet Valve Gap of Piston Engines,” Prog. Energy Combust. Sci., 24, No. 3, pp. 165–195.
TRW Automotive Systems Ltd, 1997, private correspondence.

Figures

Grahic Jump Location
(a) Mass flow rate versus lift; variation of valve cone angle; (b) discharge coefficients versus lift; variation of valve cone angle
Grahic Jump Location
(a) Heat-transfer coefficient versus lift; valve seat; L/D=0.06; (b) heat transfer coefficient versus lift; port seat; L/D=0.06
Grahic Jump Location
(a) Heat transfer coefficient versus lift; valve seat; L/D=0.18; (b) heat transfer coefficient versus lift; port seat; L/D=0.18
Grahic Jump Location
Discharge coefficients versus lift; variation of fillet radius  
Grahic Jump Location
Discharge coefficients versus lift; variation of fillet radius
Grahic Jump Location
Discharge coefficients versus lift; variation of seat angle
Grahic Jump Location
Discharge coefficients versus lift; variation of seat angle
Grahic Jump Location
(a) Heat transfer coefficient versus lift; valve seat; L/D=0.12; (b) heat transfer coefficient Fig. versus lift; port seat; L/D=0.12
Grahic Jump Location
(a) Heat transfer coefficient versus lift; valve seat; L/D=0.18; (b) heat transfer coefficient versus lift; port seat; L/D=0.18

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