Supercharging system behavior for high altitude operation of an aircraft 2-stroke Diesel engine

Carlucci, Antonio Paolo; Ficarella, Antonio; Laforgia, Domenico; Renna, Alessandro

doi:10.1016/j.enconman.2015.06.009

Cited by 56 publications

(24 citation statements)

References 14 publications

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“…Due to increasingly stringent request for higher performance and lower fuel consumption, the definition of supercharging system in reciprocating engines for aircraft propulsion is a crucial task [1][2][3]. In Two-Stroke engines, particular care must be addressed in designing the breathing system in order to obtain a good scavenging process, whose effectiveness is quantified by both the Scavenging Efficiency (SE) and Trapping Efficiency (TE).…”

Section: Introductionmentioning

confidence: 99%

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Performance optimization of a Two-Stroke supercharged diesel engine for aircraft propulsion

Carlucci

Ficarella

Trullo

2016

Energy Conversion and Management

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Section: Introductionmentioning

confidence: 99%

“…As a result, with the goal of optimizing the engine performance, it is necessary: (1) to direct the airflow coming from the main transfer port toward the center of the bore and (2) the inner vent radius of the main transfer duct to assume a relatively large value.…”

Section: Introductionmentioning

confidence: 99%

Performance optimization of a Two-Stroke supercharged diesel engine for aircraft propulsion

Carlucci

Ficarella

Trullo

2016

Energy Conversion and Management

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“…Spahni et al in the article [21] in particular deals with the new electronically control, two stroke, low speed marine engines. Carlucci et al in the article [22] with the goal of either increasing the engine brake power at take-off or decreasing the engine fuel consumption in cruise conditions. The engine has been modelled with 0D/1D modelling approach.…”

Section: Introductionmentioning

confidence: 99%

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

Grljušić¹,

Tolj²,

Radica³

2017

Preprint

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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.

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“…The paper [7] presents different methods for force inducing the two-stroke aircraft Diesel engine. A mechanical compressor increases brake specific fuel consumption more than a turbocharger.…”

Section: Introductionmentioning

confidence: 99%

Charging process analysis of an opposed-piston two-stroke aircraft Diesel engine

Grabowski¹,

Pietrykowski²,

Karpiński³

2017

ITM Web Conf.

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Abstract. This paper presents the research results on a 1D model of an opposed-piston two-stroke aircraft Diesel engine. The research aimed at creating a model of the engine in question to investigate how engine performance is affected by the compressor gear ratio. The power was constant at all the operating points. The research results are presented as graphs of power consumed by the compressor, compressor efficiency and brake specific fuel consumption. The optimal range of compressor gear ratio in terms of engine efficiency was defined from the research results.

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Supercharging system behavior for high altitude operation of an aircraft 2-stroke Diesel engine

Cited by 56 publications

References 14 publications

Performance optimization of a Two-Stroke supercharged diesel engine for aircraft propulsion

Performance optimization of a Two-Stroke supercharged diesel engine for aircraft propulsion

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

Charging process analysis of an opposed-piston two-stroke aircraft Diesel engine

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