Temperatures of cylinder liner at the piston dead centers and the parameters of oil 5W40.

Temperatures of cylinder liner at the piston dead centers and the parameters of oil 5W40.</p

Schematic diagram of the deformed cylinder liner with <i>n</i> = 4.

Schematic diagram of the deformed cylinder liner with n = 4.</p

Minimum oil film thicknesses of the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under standard operation condition.

Minimum oil film thicknesses of the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under standard operation condition.</p

Oil transport model with front and back control volumes at the inlet and outlet of lubricated zone.

Oil transport model with front and back control volumes at the inlet and outlet of lubricated zone.</p

Average power losses and FMEP values for the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under the standard operation condition.

Average power losses and FMEP values for the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under the standard operation condition.</p

FMEP values of the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under standard operation condition for the three cases.

FMEP values of the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under standard operation condition for the three cases.</p

Widths of lubrication zone and inlet widths of compression ring in the active cylinder, deactivated cylinder, and under the standard operation condition.

Widths of lubrication zone and inlet widths of compression ring in the active cylinder, deactivated cylinder, and under the standard operation condition.</p

Minimum oil film thicknesses between the compression ring and cylinder liner obtained by Gu et al.’s [64] and our models.

Minimum oil film thicknesses between the compression ring and cylinder liner obtained by Gu et al.’s [64] and our models.</p

Evaluation on the tribological performance of ring/liner system under cylinder deactivation with consideration of cylinder liner deformation and oil supply - Fig 14

(a) Hydrodynamic frictions for the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under the standard operation condition. (b) asperity frictions for the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under the standard operation condition. (c) power losses for the compression ring-cylinder liner system in the active cylinder, deactivated cylinder, and under the standard operation condition.</p

Cylinder pressures for the deactivated and active cylinders under the CDA.

Cylinder pressures for the deactivated and active cylinders under the CDA.</p