Improvement of Scavenging Process of a Two-Stroke Gasoline Engine with Reciprocating-Type Exhaust Control Valve

Tadashi Murayama; Takemi Chikahisa; Bambang Sugiarto; Yoshio Sekiya

doi:10.1299/kikaib.60.1507

Improvement of Scavenging Process of a Two-Stroke Gasoline Engine with Reciprocating-Type Exhaust Control Valve

Tadashi Murayama, Takemi Chikahisa, Bambang Sugiarto, Yoshio Sekiya

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The most important point for improving the performance of a crankcase-scavenged two-stroke engine is to reduce the fresh charge losses to the exhaust due to a short circuit. This paper investigates the effects of a reciprocating-type exhaust control valve on the engine performance and exhaust emissions, and the results are compared with those of a traditional rotary-type valve. The experimental results indicate that the reciprocating-type valve can improve specific fuel consumption more significantly than the rotary type-valve without decreasing power. The HC emission can also be reduced tremendously by the effect of reducing fresh-charge losses.

Original language	English
Pages (from-to)	1507-1512
Number of pages	6
Journal	Transactions of the Japan Society of Mechanical Engineers Series B
Volume	60
Issue number	572
DOIs	https://doi.org/10.1299/kikaib.60.1507
Publication status	Published - 1994

Keywords

Cycle Variation
Exhaust Control Valve
HC Reduction
Scavenging
Two-Stroke Engine

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title = "Improvement of Scavenging Process of a Two-Stroke Gasoline Engine with Reciprocating-Type Exhaust Control Valve",

abstract = "The most important point for improving the performance of a crankcase-scavenged two-stroke engine is to reduce the fresh charge losses to the exhaust due to a short circuit. This paper investigates the effects of a reciprocating-type exhaust control valve on the engine performance and exhaust emissions, and the results are compared with those of a traditional rotary-type valve. The experimental results indicate that the reciprocating-type valve can improve specific fuel consumption more significantly than the rotary type-valve without decreasing power. The HC emission can also be reduced tremendously by the effect of reducing fresh-charge losses.",

keywords = "Cycle Variation, Exhaust Control Valve, HC Reduction, Scavenging, Two-Stroke Engine",

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AU - Chikahisa, Takemi

AU - Sugiarto, Bambang

AU - Sekiya, Yoshio

PY - 1994

Y1 - 1994

N2 - The most important point for improving the performance of a crankcase-scavenged two-stroke engine is to reduce the fresh charge losses to the exhaust due to a short circuit. This paper investigates the effects of a reciprocating-type exhaust control valve on the engine performance and exhaust emissions, and the results are compared with those of a traditional rotary-type valve. The experimental results indicate that the reciprocating-type valve can improve specific fuel consumption more significantly than the rotary type-valve without decreasing power. The HC emission can also be reduced tremendously by the effect of reducing fresh-charge losses.

AB - The most important point for improving the performance of a crankcase-scavenged two-stroke engine is to reduce the fresh charge losses to the exhaust due to a short circuit. This paper investigates the effects of a reciprocating-type exhaust control valve on the engine performance and exhaust emissions, and the results are compared with those of a traditional rotary-type valve. The experimental results indicate that the reciprocating-type valve can improve specific fuel consumption more significantly than the rotary type-valve without decreasing power. The HC emission can also be reduced tremendously by the effect of reducing fresh-charge losses.

KW - Cycle Variation

KW - Exhaust Control Valve

KW - HC Reduction

KW - Scavenging

KW - Two-Stroke Engine

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Improvement of Scavenging Process of a Two-Stroke Gasoline Engine with Reciprocating-Type Exhaust Control Valve

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Keywords

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