Development of Computational Model of Piston Dynamics Behaviour

Development of Computational Model of Piston Dynamics Behaviour

Paper in proceedings (conference paper)

Sooner or later, the development process of each technical product, inevitably, reaches a phase when several other design proposals are being compared. But based on what is the best design chosen? Engineers all around the world have a challenging task to find the best compromise among numerous aspects—e.g. manufacturing, cost, functionality, reliability etc.—especially in contemporary phenomenon of endless minimization of all kinds of losses. To estimate the operational lifetime characteristics, i.e. wear, friction, noise and vibration and others, test benches are widely used. Most of the time, they offer accurate results, but the insight in to the physics is lost. On the other hand, simulation tools can clarify the details during the product’s operational cycle but the disadvantage lays within the adequacy of the algorithms used. Therefore, computational models are often verified by the test results. Only then their full potential can be exploited, providing fast and reliable results with translucent insights into the true physics behind it. The following paper presents the development of one such computational model focused on the investigation of piston dynamics behavior.

Sooner or later, the development process of each technical product, inevitably, reaches a phase when several other design proposals are being compared. But based on what is the best design chosen? Engineers all around the world have a challenging task to find the best compromise among numerous aspects—e.g. manufacturing, cost, functionality, reliability etc.—especially in contemporary phenomenon of endless minimization of all kinds of losses. To estimate the operational lifetime characteristics, i.e. wear, friction, noise and vibration and others, test benches are widely used. Most of the time, they offer accurate results, but the insight in to the physics is lost. On the other hand, simulation tools can clarify the details during the product’s operational cycle but the disadvantage lays within the adequacy of the algorithms used. Therefore, computational models are often verified by the test results. Only then their full potential can be exploited, providing fast and reliable results with translucent insights into the true physics behind it. The following paper presents the development of one such computational model focused on the investigation of piston dynamics behavior.

piston, tribology, mechanical loss, multibody dynamics, elastohydrodynamic lubrication

piston, tribology, mechanical loss, multibody dynamics, elastohydrodynamic lubrication

DLUGOŠ, J.; NOVOTNÝ, P.; MARŠÁLEK, O.; RAFFAI, P.; KNOTEK, J.

2017

09.05.2016

Institute of Thermomechanics Academy of Sciences of the Czech Republic, v.v.i.

Prague, Czech Republic

978-80-87012-59-8

ENGINEERING MECHANICS 2016 - 22nd INTERNATIONAL CONFERENCE

126

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