Preprint Article Version 1 This version not peer reviewed

An Investigation of the Composition of the Flow in and out of a Two-stroke Diesel engine and Air Consumption Ratio

Version 1 : Received: 25 May 2017 / Approved: 26 May 2017 / Online: 26 May 2017 (10:56:56 CEST)

A peer-reviewed article of this Preprint also exists.

Grljušić, M.; Tolj, I.; Radica, G. An Investigation of the Composition of the Flow in and out of a Two-Stroke Diesel Engine and Air Consumption Ratio. Energies 2017, 10, 805. Grljušić, M.; Tolj, I.; Radica, G. An Investigation of the Composition of the Flow in and out of a Two-Stroke Diesel Engine and Air Consumption Ratio. Energies 2017, 10, 805.

Journal reference: Energies 2017, 10, 805
DOI: 10.3390/en10060805

Abstract

The aim of this research was to investigate the mass, substances and energy flow through two-stroke low speed Diesel engines. For this reason, a zero-dimensional model of the combustion in the engine was developed with a calculated amount and composition of exhaust gases. Due to the large amount of oxygen in the exhaust gases, a ratio of real air consumption and stoichiometric amount of air required for combustion of injected fuel was set. The calculated ratio showed that the engine consumes four times more air than needed for combustion in AFRstoich. In this work it is called the Air Consumption Factor or Ratio and has not been mentioned in scientific literature before. Air Consumption Ratio is defined as a factor of dry or humid air. To be more comprehensive, a modified diagram of composition of the flow in and out of a two-stroke fuel injection engine and the cylinder was drawn.

Subject Areas

two-stroke engine; uniflow scavenging; exhaust gas composition; two-stroke gas flow performance parameters; air-fuel ratio; air consumption factor/ratio

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