Measurement of flight parameters in terms of toxic emissions of the aircraft radial engine ASz62-IR

Czyż, Zbigniew; Grabowski, Łukasz; Pietrykowski, Konrad; Czarnigowski, Jacek; Porzak, Marcin

doi:10.1016/j.measurement.2017.08.035

Cited by 19 publications

(10 citation statements)

References 14 publications

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“…The test was made for the conditions of take-off power of the engine. Time of engine work in that condition is only 1-2 % time of overall time flight [16], but in this case these were the maximum engine load and maximum temperature.…”

Section: Boundary Conditionsmentioning

confidence: 88%

FEM analysis of piston for aircraft two stroke diesel engine

Magryta

Gęca

2019

MATEC Web Conf.

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The paper presents an analysis of piston thermal loads in an opposed piston engine. The purpose of the work was to check the achieved thermal values of different piston models. Two types of pistons were analysed. The first piston was made entirely of aluminium. The second one was a split piston, made of steel and aluminium. Simulation studies were performed using Abaqus software. Boundary conditions were taken from previously made simulations conducted in AVL Fire software. The wall temperature of the piston was mapped from CFD combustion model. The results of the analyses were illustrated by the distribution of temperature fields on a piston surface. The distribution of temperature fields on the piston surface shows that maximum temperatures are located on sharp edges of a piston bowl, values of maximum temperatures are 402 and 512 °C for aluminium and composed piston respectively.

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Section: Boundary Conditionsmentioning

confidence: 88%

FEM analysis of piston for aircraft two stroke diesel engine

Magryta

Gęca

2019

MATEC Web Conf.

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“…It is software used to calculate the working process models of internal combustion engines. Similar engine models with ZI are described by the authors in [12] and the engine with ZS in [13]. Subsequently, on the basis of data obtained from AVL Boost program, the values of forces acting on the injector, which resulted from the engine working process, were introduced into MSC Adams.…”

Section: Methodsmentioning

confidence: 99%

Strength Analysis of the CNG Direct Injector for the Combustion Ignition Engine in Real Driving Conditions

2019

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The paper presents the results of strength test simulations of the CNG injector structure for direct injection of compression-ignition engines. This article is a continuation of the works presented in paper [1]. Life cycles estimation of particular parts of the injector were calculated using the Kocańda relation. The simulation tests of injector strength carried out earlier have allowed us to determine the stress concentration points. On the basis of NEDC driving tests carried out in three different cars, engine load histograms were made for subsequent runs and an average load profile was determined. For the points most exposed to damage, i.e. the needle and injector housing, the stress curve was generated as a function of time. This dependence was the base for fatigue calculations with the use of MatLab program in order to calculate the limit number of repetitions for a given injector element. All the calculation works have served to determine the maximum number of work cycles of a given injector design.

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“…The authors of the works [26,27] defined the methodology of an effective optimisation of the combustion engine and the fuel injector construction by means of 1D fluid dynamic simulation models. The paper [28] investigates toxic emissions emitted by aircraft radial engine under flight using the 1D model. The authors of [28] present CFD cooling model of the air-cooled aircraft engine, the boundary conditions for which were derived from the 1D model.…”

Section: Introductionmentioning

confidence: 99%

“…The paper [28] investigates toxic emissions emitted by aircraft radial engine under flight using the 1D model. The authors of [28] present CFD cooling model of the air-cooled aircraft engine, the boundary conditions for which were derived from the 1D model.…”

Section: Introductionmentioning

confidence: 99%

Simulation Research of Aircraft Piston Engine Rotax 912

2019

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This paper reports the results of simulation works of Rotax 912 aircraft piston engine, which is a basic unit in most ultra-light aircrafts. The method for preparing the model aircraft engine operation process was presented. Simulation tests were carried out in the AVL Boost programme. The programme allows a full use of zero-dimensional and one-dimensional modelling. It also allows a comparison of other engine models. The developed model has enabled us to simulate the flow of air through the inlet pipes, carburettors, valves and combustion process. The preparation of the model required us to enter parameters that are not available in the manufacturer's catalogue, therefore, necessary measurements and analysis of the engine parts were carried out on a laboratory bench. The calculations in the AVL Boost programme were carried out in the conditions determined for the selected BMEP values with the objective of characterising the engine performance by determining its power, torque and fuel consumption.

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Measurement of flight parameters in terms of toxic emissions of the aircraft radial engine ASz62-IR

Cited by 19 publications

References 14 publications

FEM analysis of piston for aircraft two stroke diesel engine

FEM analysis of piston for aircraft two stroke diesel engine

Strength Analysis of the CNG Direct Injector for the Combustion Ignition Engine in Real Driving Conditions

Simulation Research of Aircraft Piston Engine Rotax 912

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