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International Journal of Engine Research, 2021
The thermal effect of friction plays an important role in friction pairs working under heavy load and starved lubrication conditions, such as the piston ring and cylinder liner (PRCL) system of two-stroke marine diesel engines. Friction heat will degrade
Zhan Liu +4 more
semanticscholar +1 more source
The thermal effect of friction plays an important role in friction pairs working under heavy load and starved lubrication conditions, such as the piston ring and cylinder liner (PRCL) system of two-stroke marine diesel engines. Friction heat will degrade
Zhan Liu +4 more
semanticscholar +1 more source
SAE Technical Paper Series, 1988
<div class="htmlview paragraph">A new type of variable-stroke engine, or compressor, is presented in this paper. The stroke is adjusted by changing the length of the ground link using an auxiliary mechanism. Adjusting the ground link, changes the rotation angle and the effective length of the connecting rod, which in turn controls the pumping ...
G. R. Pennock, J. E. Beard
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<div class="htmlview paragraph">A new type of variable-stroke engine, or compressor, is presented in this paper. The stroke is adjusted by changing the length of the ground link using an auxiliary mechanism. Adjusting the ground link, changes the rotation angle and the effective length of the connecting rod, which in turn controls the pumping ...
G. R. Pennock, J. E. Beard
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Comparison of Four Stroke MotoGP Engines
SAE Technical Paper Series, 2004<div class="htmlview paragraph">This paper compares different engine solutions for the FIM MotoGP World Championship. Starting from the general guidelines given in a previous paper [<span class="xref">2</span>], in this study the specific features of each engine architecture (3 and 4 in line, V4, V5 and V6) are considered.
MATTARELLI, Enrico, CANTORE, Giuseppe
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International Journal of Engine Research, 2020
Scavenging is becoming one of the determinants of two-stroke engine performance. Efficiency of U-type loop scavenging of two-stroke diesel engine with two poppet valves is generally unsatisfactory due to scavenging short-circuiting and large amount of ...
Zheng Xu +7 more
semanticscholar +1 more source
Scavenging is becoming one of the determinants of two-stroke engine performance. Efficiency of U-type loop scavenging of two-stroke diesel engine with two poppet valves is generally unsatisfactory due to scavenging short-circuiting and large amount of ...
Zheng Xu +7 more
semanticscholar +1 more source
1992
The absence of the separate induction and exhaust strokes in the two-stroke engine is the fundamental difference from four-stroke engines. In two-stroke engines, the gas exchange or scavenging process can have the induction and exhaust processes occurring simultaneously.
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The absence of the separate induction and exhaust strokes in the two-stroke engine is the fundamental difference from four-stroke engines. In two-stroke engines, the gas exchange or scavenging process can have the induction and exhaust processes occurring simultaneously.
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1972
The basic two-stroke cycle was described in Chapter 1 and the operation of this type of engine can now be amplified. Fig. 12.1 shows a typical indicator diagram for a two-stroke, and it can be seen that because the ports open during the stroke the compression and expansion phases are restricted.
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The basic two-stroke cycle was described in Chapter 1 and the operation of this type of engine can now be amplified. Fig. 12.1 shows a typical indicator diagram for a two-stroke, and it can be seen that because the ports open during the stroke the compression and expansion phases are restricted.
openaire +1 more source
Scavenging the 2-Stroke Engine
SAE Technical Paper Series, 1954<div class="section abstract"><div class="htmlview paragraph">THE indicated output of a 2-stroke engine is primarily dependent upon the success with which the products of combustion are driven from the cylinder and are replaced by fresh air or mixture during the scavenging period.
C. F. Taylor, A. R. Rogowski
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, 2020
Compared to a four-stroke engine, the two-stroke engine doubles firing frequency and has favourable power-to-weight or power-to-volume ratio as well as engine downsizing to improve the overall powertrain fuel economy.
Xinyan Wang, Hua Zhao
semanticscholar +1 more source
Compared to a four-stroke engine, the two-stroke engine doubles firing frequency and has favourable power-to-weight or power-to-volume ratio as well as engine downsizing to improve the overall powertrain fuel economy.
Xinyan Wang, Hua Zhao
semanticscholar +1 more source
Conventional two‐stroke engine lubrication
Industrial Lubrication and Tribology, 1997Gives the results of trials conducted in China which show the use of top‐grade, low smoke, part synthetic two‐stroke oil gives better performance and four times longer engine life than the four‐stroke engine oils generally used to lubricate two‐stroke engines in China. Sets out existing and proposed international standards for two‐stroke engine oils.
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SAE Technical Paper Series, 2012
<div class="section abstract"><div class="htmlview paragraph">The purpose of this paper is to describe a novel liquid fuel conditioning process that is incorporated within a 4-stroke internal combustion engine. The process takes place inside a small external vaporization chamber linked to the engine cylinder. A vaporization chamber transfer
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<div class="section abstract"><div class="htmlview paragraph">The purpose of this paper is to describe a novel liquid fuel conditioning process that is incorporated within a 4-stroke internal combustion engine. The process takes place inside a small external vaporization chamber linked to the engine cylinder. A vaporization chamber transfer
openaire +1 more source