A numerical study on piston slap in diesel engines.

Influence of cylinder liner vibration on lateral motion and tribological behaviors for piston in internal combustion engine

“…Meanwhile, the newly obtained values are again as input parameters of equation (17). With this Broyden algorithm, the final values of _ e t , _ e b , _ s, € e t , € e b , € s at the current time step can be determined through the finite difference scheme when equation (17) is met.…”

“…One year later, a research about the noise problem due to the friction resulted from the lubricated piston skirt was made by Ungar and Ross. 16 In 1987, Suzuki et al 17 pointed out that severe piston impact on the cylinder liner will result in its lubrication failure. In 1998, Lee et al 18 presented a method to identify the knock rules of the piston through the cylinder liner vibration signals.…”

“…16 In 1987, Suzuki et al. 17 pointed out that severe piston impact on the cylinder liner will result in its lubrication failure. In 1998, Lee et al.…”

Piston Secondary Motion Analysis Considering Head Impact

“…Early secondary motion simulation neither considered the elastic deformation of the piston, nor the film lubrication between the piston and liner [1][2] , so the simulation value was higher than the experimental value. Later, some people took the elastic deformation of the piston into account without lubrication between the piston and cylinder [3][4] , other people considered the lubrication between the piston and cylinder but assumed piston as a rigid body [5] [6] . With the enhancement of the internal combustion engine power density, higher requirements of the design parameters of the piston were needed, thus the detailed numerical simulation method was required for piston dynamics and lubrication.…”

Effet des paramètres de conception du piston sur le frottement jupe-chemise

“…La simulation numérique du mouvement secondaire du piston a commencé il y a des décennies [1][2][3][4][5]. Un groupe de chercheurs a développé un modèle numérique du mouvement secondaire du piston avec une lubrification hydrodynamique pour des jupes rigides [6][7][8]. Certains chercheurs ont déterminé les déformations de la jupe mais sans aucune analyse de la lubrification [9,10].…”