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Practical Yardsticks For Deposit Effects
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English
Abstract
USEFUL test procedures and instrumentation for evaluating the effects of combustion chamber deposits are described here. A multi-cylinder deposit-ignition counter has been developed which detects and records the deposit ignition occurring in the individual cylinders of a multicylinder engine. This new instrument measures basic deposit effects over a wide range of engine operating conditions and can be used either in the laboratory or on the road.
The instrument is useful for studying the effects of fuels, lubricants, and additives in multi-cylinder engines. Since variation among individual cylinders can be detected, the instrument is also useful for studying engine design changes as well as operating conditions.
Road and dynamometer test procedures for evaluating deposit-induced autoignition by the conventional audible method of detection are described along with the effects of several fuel-lubricant-additive combinations.
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Authors
Citation
Hall, C., Warren, J., and McCullough, J., "Practical Yardsticks For Deposit Effects," SAE Technical Paper 550234, 1955, https://doi.org/10.4271/550234.Also In
References
- SAE Transactions Vol. 62 1954 40 49 “Deposit-Induced Ignition — Evaluation in a Laboratory Engine,” Hirschler, D. A. McCullough, J. D. Hall. C. A.
- “Combustion-Chamber Deposits as Related to Carbon-Forming Properties of Motor Oils,” Bartleson, J. D. Hughes. E. C. Paper presented at meeting of American Chemical Society Atlantic City September 1952
- SAE Transactions Vol. 61 1953 361 376 “Combustion-Chamber Deposition and Knock,” Gibson, H. J. Hall, C. A. Hirschler. D. A.
- SAE Transactions Vol. 62 1954 57 65 “Some Effects of Fuels and Lubricants on Autoignition in Cars on the Road,” Williams R. K. Landis. J. R.
- SAE Transactions Vol. 62 1954 228 242 “Effect of Lubricant Composition on Combustion — Chamber Deposits,” McNab, J. G. Moody, L. E. Hakala. N. V.
- “Crankcase Oil — An Approach to Combustion-Chamber Deposit Problem.” Overcash, R. L. Hart, W. McClure. D. J. Paper presented at SAE Annual Meeting Detroit Jan. 14 1954