Determination of Hydraulic Motor Displacement Reported to US TAG to ISO TC131/SC8 July 17, 2018 Paul Michael Milwaukee School of Engineering

Background Motor was received via donation Did not have serial number or nameplate Known to be of a certain Make and Model Displacement unknown

Circuit Schematic

Experimental Design Orthogonal Latin Hypercube

Motor Inlet Flow Rate Orthogonal Latin Hypercube

Displacement vs Pressure Orthogonal Latin Hypercube

Displacement vs Pressure – High Speed Orthogonal Latin Hypercube

Displacement vs Pressure – Low Speed Orthogonal Latin Hypercube

Torque Losses Orthogonal Latin Hypercube

Observation Motor should be in hydrodynamic lubrication regime when displacement is determined.