On the Numerical Analysis of the Scavenging Flow in a Two-Stroke-Cycle Gasoline Engine

On the Numerical Analysis of the Scavenging Flow in a Two-Stroke-Cycle Gasoline Engine

In a two-stroke-cycle gasoline engine, the scavenging flow plays a very important role in the combustion performance. The scavenging flow discharges the burned gas from the cylinder and draws the mixture of fresh air and gasoline into it. But the flow pattern in the loop-flow scavenging system of th...

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Veröffentlicht in:Nihon Kikai Gakkai rombunshuu. B hen 1990/01/25, Vol.56(521), pp.242-246
Hauptverfasser: KATO, Satoshi, NAKAGAWA, Hiroshi, KAWAHARA, Yoshitaka, ADACHI, Takeshi, NAKASHIMA, Masayoshi
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Sprache:eng ; jpn
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diesel engines
Numerical Analysis
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container_end_page 246
container_issue 521
container_start_page 242
container_title Nihon Kikai Gakkai rombunshuu. B hen
container_volume 56
creator KATO, Satoshi
NAKAGAWA, Hiroshi
KAWAHARA, Yoshitaka
ADACHI, Takeshi
NAKASHIMA, Masayoshi
description In a two-stroke-cycle gasoline engine, the scavenging flow plays a very important role in the combustion performance. The scavenging flow discharges the burned gas from the cylinder and draws the mixture of fresh air and gasoline into it. But the flow pattern in the loop-flow scavenging system of this type of engine is very complicated and measurement of the gas velocity and the gas concentration is difficult. Thus there is little information about the flow characteristics in the cylinder. The authors have developed a simulation method for the uniflow scavenging two-stroke-cycle diesel engine. In this report, we outline the development of this method, applying it to the loop-flow scavenging two-stroke cycle gasoline engine. The characteristics of the gas flow and the gas concentration in this engine are made clear by the simulation method.
doi_str_mv 10.1299/kikaib.56.242
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1884-8346
language eng ; jpn
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source J-STAGE Free; EZB-FREE-00999 freely available EZB journals
subjects diesel engines
Numerical Analysis
title On the Numerical Analysis of the Scavenging Flow in a Two-Stroke-Cycle Gasoline Engine
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