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The Two-Stroke Cycle Engine, Proscribe or Prosper?
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English
Abstract
This Address is concerned with the work carried out by an engineering academic at The Queen's University of Belfast over the last 26 years. It describes the motivation which impelled the author towards a career in mechanical engineering and into a specialist field from which he has never strayed. It describes research and development into the design of the two-stroke cycle engine, which today is identified as a potential candidate for automobile powerplant production within the decade. At the same time the Address illustrates that much of this research and development, including the design, manufacture, build, test, and development of prototype automotive engines, has been heavily contributed to by both undergraduate and postgraduate students as part of their education and training at the university. It is contended that this approach is a vital component of a relevant university education and training for student and academic alike.
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Authors
Citation
Blair, G., "The Two-Stroke Cycle Engine, Proscribe or Prosper?," SAE Technical Paper 911685, 1991, https://doi.org/10.4271/911685.Also In
References
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- Schweitzer, P. H. Scavenging of two-stroke cycle diesel engines 1949 Macmillan New York
- Blair, G. P. The basic design of two-stroke engines February 1990 672 SAE R-104 Society of Automotive Engineers Warrendale, Pennsylvania 1-56091-008-9
- Blair, G. P. Booy, R. R. Sheaffer, B. L. Technology pertaining to two-stroke cycle engines Progress in Technology Series PT-26 1981 457 Society of Automotive Engineers Warrendale, Pennsylvania 0-89883-114-8
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- Rudinger, G. Wave diagrams for non-steady flow in ducts 1955 Van Nostrand, New York
- Bannister, F. K. Pressure waves in gases in pipes Ackroyd Stuart Memorial Lectures University of Nottingham 1958
- Wallace, F. J. Nassif, M. H. Air flow in a naturally aspirated two-stroke engine Proc. Instn Mech. Engrs 1953 1B 343
- Benson, R. S. Garg, R. D. Woollatt, D. A numerical solution of unsteady flow problems Int. J. Mech. Sci. 1960 1 253
- Blair, G. P. Goulburn, J. R. The pressure-time history in the exhaust system of a high-speed reciprocating internal combustion engine SAE paper 670477 1967
- Blair, G. P. Johnston, M. B. Unsteady flow effects in the exhaust systems of naturally aspirated, crankcase compression, two-stroke cycle engines SAE paper 680594 1968
- Fleck, R. Houston, R. A. R. Blair, G. P. Predicting the performance characteristics of twin cylinder two-stroke engines for outboard motor applications SAE paper 881266 1988
- McGinnity, F. A. Douglas, R. Blair, G. P. Application of an entropy analysis to four-cycle engine simulation SAE paper 900681 1990
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- Fleck, R. Three cylinder, naturally aspirated, two-stroke automotive engines-a performance potential evaluation SAE paper 901667 1990
- Fleck, R. Four cylinder, naturally aspirated, two-stroke automotive engines-a performance potential evaluation SAE paper 901668 1990
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- McConnell, J. H. Unsteady gas flow through naturally aspirated four-stroke cycle internal combustion engines The Queen's University of Belfast March 1974
- Bingham, J. F. Blair, G. P. An improved branched pipe model for multi-cylinder automotive engine calculations Proc. Instn Mech. Engrs 1985 65 77
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- Blair, G. P. Goulburn, J. R. An unsteady flow analysis of exhaust systems for multi-cylinder automobile engines SAE paper 690469 1969
- Jante, A. Scavenging and other problems of two-stroke spark-ignition engines SAE paper 680468 1968
- Blair, G. P. Studying scavenge flow in a two-stroke cycle engine SAE paper 750752 1975
- Blair, G. P. Kenny, R. G. Further developments in scavenging analysis for two-cycle engines SAE paper 800038 1980
- Sanborn, D. S. Blair, G. P. Kenny, R. G. Kingsbury, A. H. Experimental assessment of scavenging efficiency of two-stroke cycle engines SAE paper 800975 1980
- Hopkinson, B. The charging of two-cycle internal combustion engines Trans. NE Coast Instn Engrs Shipbuilders 1914 30 433
- Sweeney, M. E. G. Kenny, R. G. Swann, G. B. Blair, G. P. Single cycle gas testing method for two-stroke engine scavenging SAE paper 850178 1985
- Sammons, H. A single-cycle test apparatus for studying ‘loop-scavenging’ in a two-stroke engine Proc. Instn Mech. Engrs 1949 160 233
- Sweeney, M. E. G. Kenny, R. G. Swann, G. B. Blair, G. P. Computational fluid dynamics applied to two-stroke engine scavenging SAE paper 851519 1985
- Spalding, D. B. A general purpose computer program for multi-dimensional one and two-phase flow Mathematics and Computers in Simulation 1981 23 267 276
- Smyth, J. G. Kenny, R. G. Blair, G. P. Steady flow analysis of the scavenging process in a loop scavenged two-stroke cycle engine-a theoretical and experimental study SAE paper 881267 1988
- Smyth, J. G. Kenny, R. G. Fleck, R. Blair, G. P. The scavenging process in the two-stroke engine cylinder Graz 13-14 April 1989
- Smyth, J. G. Kenny, R. G. Blair, G. P. Motored and steady flow boundary conditions applied to the prediction of scavenging flow in a loop-scavenged two-stroke cycle engine SAE paper 900800 1990
- Campbell, D. Blair, G. P. Munich 5-7 March 1991
- Blair, G. P. Gas flow techniques applied to a sleeve-valve engine design Automotive Design Engineering April 1970 9
- Blair, G. P. Johnston, M. B. The development of a high performance motor cycle engine Proc. Instn Mech. Engrs 1970-71 185 20 71 273 283
- Blair, G. P. Cahoon, W. L. The design and initial development of a high specific output, 500 cc single cylinder, two-stroke, racing motorcycle engine SAE paper 710082 1971
- Blair, G. P. Deflector piston two-stroke engine 1987
- Blair, G. P. Houston, R. A. R. McMullan, R. K. Steele, N. Williamson, S. J. A new piston design for a cross-scavenged two-stroke cycle engine with improved scavenging and combustion characteristics SAE paper 841096 1984
- Kee, R. J. Blair, G. P. Douglas, R. Comparison of performance characteristics of loop and cross scavenged two-stroke engines SAE paper 901666 1990
- Blair, G. P. Kenny, R. G. Smyth, J. G. Sweeney, M. E. G. Swann, G. B. An experimental comparison of loop and cross scavenging of the two-stroke cycle engine SAE paper 861240 1986
- Blair, G. P. Hill, B. W. Miller, A. J. Nickell, S. P. Reduction of fuel consumption of a spark-ignition two-stroke cycle engine SAE paper 830093 1983
- Schlunke, K. Tenth international symposium on Engines Vienna April 1989 63 78
- Laimbock, F. Graz, Austria 13-14 April 1989
- Blair, G. P. Stratified charging of a two-stroke internal combustion engine 1978 1979 The Queen's University of Belfast
- Blair, G. P. Hill, B. W. Two-stroke stratified charge engine 1983 The Queen's University of Belfast
- Blair, G. P. Kee, R. J. Stratified charging of a two-stroke engine September 1990 The Queen's University of Belfast
- Batoni, G. An investigation into the future of two-stroke motorcycle engine SAE paper 780710 1978
- Sato, T. Nakayama, M. Gasoline direct injection for a loop-scavenged two-stroke cycle engine SAE paper 871690 1987
- Nuti, M. Direct fuel injection: an opportunity for two-stroke si engines in road vehicle use SAE paper 860170 1986
- Beck, N. J. Johnson, W. P. Barkhimer, R. L. Patterson, S. H. Electronic fuel injection of two-stroke cycle gasoline engines SAE paper 861242 1986
- Yamagishi, G. Sato, T. Iwasa, H. A study of two-stroke fuel injection engines for exhaust gas purification SAE paper 720195 1972
- Duret, P. Ecomard, A. Audinet, M. A new two-stroke engine with compressor-air assisted fuel injection for high efficiency low emissions applications SAE paper 880176 1988