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The Effect of Variation in Cylinder Length on the Exhaust Tort Timing of a Two-Stroke Cycle Engine

Published online by Cambridge University Press:  04 July 2016

R. S. Benson
R. S. Benson*
Affiliation:
University of Liverpool
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Extract

In a previous note a method was developed for calculating the exhaust port area for two-stroke cycle engines assuming the cylinder length to be constant. It was pointed out by Williams and Pullman that the effect of the variation in cylinder length was important, this was appreciated in the preparation of the note, but it was necessary to assume a constant length in order to obtain an analytical solution. In this note the method given earlier is extended to cover a cylinder discharging direct to atmosphere with a moving piston.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 62 , Issue 569 , May 1958 , pp. 382 - 384
Copyright
Copyright © Royal Aeronautical Society 1958

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References

1.Benson, R. S. (1957). Method for Calculating the Exhaust Port Area for Two-Stroke Cycle Engines. Journal of the Royal Aeronautical Society, Vol. 61, February 1957.CrossRefGoogle Scholar
2.Williams, T. and Pullman, W. A. (1957). A Method of Valve Timing Design for Two-Stroke Cycle Engines. Journal of the Royal Aeronautical Society, Vol. 61, July 1957.CrossRefGoogle Scholar
3.Wallace, F. J. and Nassiff, M. H. (1954). Air Flow in a Naturally Aspirated Two-Stroke Engine. Proceedings of the Institution of Mechanical Engineers, Vol. 168, p. 515, 1954.Google Scholar
4.Cole, B. N. and Mills, B. (1953). Theory of Sudden Enlargements Applied to Poppet Exhaust Valve, with Special Reference to Exhaust Pulse Scavenging. Proceedings of the Institution of Mechanical Engineers, Vol. IB, No. 8, p. 364, 1953.Google Scholar
5.Benson, R. S. (1955). The Effect of Excess Scavenge Air on the Pressure Drop in the Cylinder of a Two-Stroke Cycle Engine During Exhaust Blowdown. Journal of the Royal Aeronautical Society, Vol. 59, pp. 773–778, November 1955.Google Scholar
6.Benson, R. S. (1957). Discharge from an Engine Cylinder to Atmosphere. The Engineer, Vol. 203, pp. 946–949 and 976-978, 1957.Google Scholar