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TECHNICAL PAPERS: Internal Combustion Engines

A Characteristic Parameter to Estimate the Optimum Counterweight Mass of Symmetric In-Line Engines

[+] Author and Article Information
R. Stanley

Mechanical Engineering Department, Kettering University, 1700 W. Third Street, Flint, MI 48504e-mail: rstanley@kettering.edu

D. Taraza

Wayne State University, 5050 Anthony Wayne Drive, Detroit, MI 48202e-mail: taraza@me1.eng.wayne.edu

J. Eng. Gas Turbines Power 126(3), 645-655 (Aug 11, 2004) (11 pages) doi:10.1115/1.1559902 History: Received May 01, 2001; Revised March 01, 2002; Online August 11, 2004
Copyright © 2003 by ASME
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References

Eichhorn,  U., Gassmann,  S., and Schoenefeld,  U, 1989, “Influence of Crankshaft Balancing Rate for a Gasoline Engine,” MTZ, 50, 10.
Schwarzel,  W., and Bartsch,  G., 1981, “The New 1.6L Opel 4-Cylinder OHC Engines,” MTZ, 42, 9.
Riad, M., and Ghazy, A, 1991, “Assessment of the Removal of the Crankshaft Balance Weights on Bearing Caps Vibration and Engine Noise,” SAE Paper No. 911058.
Querengaesser, J., Meyer, J., Schaefer, E., and Wolschendorf, J., 1997, “The Effect of Cranktrain Design on Powertrain NVH,” SAE Paper No. 971994.
Shigley, J., and Mischke, C., 1989, Mechanical Engineering Design, 5th Ed., McGraw-Hill, New York.
Prakash, V., Aprameyan, K., and Shrinivasa, U., 1998, “An FEM Based Approach to Crankshaft Dynamics and Life Estimation,” SAE Paper No. 980565.
Mikulec, A., Reams, L., Chottiner, J., Page, R., and Lee, So-duk, 1998, “Cranktrain Component Conceptualization and Weight Optimization,” SAE Paper No. 980566.
Raub, J., Jones, J., Kley, P., and Rebbert, M., 1999, “Analytical Investigation of Crankshaft Dynamics as a Virtual Engine Model,” SAE Paper No. 1999-01-1750.
Bauer, Horst, 2000, Bosch Automotive Handbook, 5th Ed., Robert Bosch GmbH, Stuttgart, Germany, pp. 366–423.
Stanley, R., and Taraza, D., 2001, “Bearing Characteristic Parameters to Estimate the Optimum Counterweight Mass of a Six-Cylinder In-Line Engine,” ASME ICE Spring 2001 Conference Proceedings, ASME, New York, 36 , p. 3.
Taraza, D., 1985, Dynamica Motoarelor Cu Ardere Interna, Editura Didactica Si Pedagogica, Bucharest, Romania.

Figures

Grahic Jump Location
Bearing #1, four-cylinder and six-cylinder
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Bearing #2, four-cylinder
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Bearing #2, six-cylinder
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Bearing #3 (middle bearing), four-cylinder
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Bearing #4 (middle bearing), six-cylinder
Grahic Jump Location
Bearing #1 average bearing force 4-Cyl and 6-Cyl
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Bearing #2, 4-Cyl maximum bearing force
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Maximum bearing force: 4-Cyl, 0% CW
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Maximum bearing force: 6-Cyl, 0% CW
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Maximum bearing force: 4-Cyl, 100% CW
Grahic Jump Location
Maximum bearing force: 6-Cyl, 100% CW
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Maximum bearing force parameter
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Four-stroke four-cylinder in-line engine and crank star
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Unbalancing forces and moments of a four-stroke four-cylinder engine
Grahic Jump Location
First and second-order vector stars: 4-Cyl
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First and second-order vector stars: 6-Cyl
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Forces acting on the main bearing

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