Flow simulation in transmission design

In flow simulation within transmission design, Merkle und Partner consider, among other things, the distribution of oil within a transmission.

Created by Dipl.-Ing. (TU) Stefan Merkle

06/22/2021

merkle-partner-gearbox construction

merkle-gear-manufacturing-gear

Scope/ Calculation

Distribution of oil in the gearbox (multiphase flow)
Determination of filling quantities
Calculation of ventilation losses
Optimization of the ventilation function
Exchange rate and pumping effect of the oil
Determination of heat transfer coefficients

Results

Ventilation losses in a gearbox

merkle-gearbox-comparison — Gearbox simulation (1)

merkle gearbox oil distribution — Gearbox simulation (2)