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Multi-Layer Stratified Scavenging (MULS) - A New Scavenging Method for Two-Stroke Engine
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Abstract
A new scavenging method for two-stroke cycle engines - Multi-Layer Stratified Scavenging (MULS) - has been developed.
The MULS method is achieved by separating the mixture generated by the carburetor into a rich mixture and a lean mixture between the inlet manifold and the scavenging ports, and by finely controlling the scavenging flows.
With the MULS method the thermal efficiency and HC emissions of two-stroke cycle gasoline engines are considerably improved without sacrificing the brake specific power output and mechanical simplicity.
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Citation
Onishi, S., Jo, S., Jo, P., and Kato, S., "Multi-Layer Stratified Scavenging (MULS) - A New Scavenging Method for Two-Stroke Engine," SAE Technical Paper 840420, 1984, https://doi.org/10.4271/840420.Also In
References
- Onishi S. Jo S. Shoda K. Jo P. Kato S. “Active Thermo-Atmosphere Combustion (ATAC) - A New Combustion Process for Internal Combustion Engines” SAE paper 790501
- 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
- Yamagishi G. Sato T. Iwasa H. “A Study of Two-Stroke Cycle Fuel Injection Engines for Exhaust Gas Purification” SAE paper 720195
- Vieilledent E. “Low Pressure Electronic Fuel Injection System for Two-Stroke Engines” SAE paper 780767