2D CFD-model of the piston assembly in a diesel engine for the analysis of piston ring dynamics, mass transport and friction

Lyubarskyy, Pavlo; Bartel, Dirk

doi:10.1016/j.triboint.2016.09.017

Cited by 41 publications

(22 citation statements)

References 47 publications

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“…5). It is considered that displacement in these strokes of the cycle is unfavorable and may lead to so-called collapse of the ring, which is accompanied by a near-complete loss of its gas-tightness [4,20]. In turn, higher values of the pressure in the first inter-ring space may positively affect the displacement of the second ring.…”

Section: Impact Of Selected Dimensions On Prc Sealingmentioning

confidence: 99%

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Analysis of design parameters of pistons and piston rings of a combustion engine

Koszałka

Suchecki

2017

MATEC Web Conf.

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Abstract. This paper analyzes the effect of gaps in the lock of the first and second sealing rings and selected dimensions of the ring belt of the piston on the piston-ring-cylinder seal. The research was performed using a mathematical model of the seal system. Simulation results have shown that a significant reduction in the exhaust gas flow to the crankcase -without compromising other parameters characterizing the performance of the seal -would require increased production rigor. Reducing the blow-by without the need to narrow the tolerance intervals of the engine components is possible, but this would be accompanied by increased reverse gas flow from the inter-ring space towards the combustion chamber. The research has also shown that the ring seal of the automotive compression ignition engine, which was the starting point for testing, was optimized for minimizing gas flow towards the combustion chamber at the expense of increased flow of exhaust gases to the crankcase.

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Section: Impact Of Selected Dimensions On Prc Sealingmentioning

confidence: 99%

“…Therefore, in design work mathematical modeling is employed. Currently, advanced models allow testing of other structural parameters on the PRC under different engine operating conditions [2][3][4][5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Analysis of design parameters of pistons and piston rings of a combustion engine

Koszałka

Suchecki

2017

MATEC Web Conf.

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“…Zhu et al [28] modeled 3D gas flows through Euler-Euler CFD simulation. Despite 3D models [29,30] were more precise than 2D ones [31,32], 2D models could still provide enough information and save time tremendously. Thus, in the case of the flow regime was not complex, a 2D model could be used to understand expecting results [33].…”

Section: Introductionmentioning

confidence: 99%

A Two-Phase Model of Air Shock Wave Induced by Rock-Fall in Closed Goaf

Ren

Cao

et al. 2017

Preprint

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“…Zhu et al [31] modeled 3D gas flows using Euler-Euler CFD simulation. Despite 3D models [32,33] were more precise than 2D ones [34,35], 2D models could still provide enough information and save time tremendously. Thus, in the case where the flow regime was not complex, a 2D model could be used to understand expecting results [36].…”

Section: Introductionmentioning

confidence: 99%