VDHM

AcronymDefinition
VDHMVariable Displacement Hydraulic Motor
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References in periodicals archive ?
Similar to the VDHM model, the inertia moment of emulsion pump is added to the model for the consideration that the rotation velocity may fluctuate during operation.
As shown in Figure 7, the bond graph model of the rectifier valve contains three ports: port 1 and port 2 are linked to the two chambers of the recovery cylinder, whereas port 3 is connected to VDHM, transferring the recovered energy back into the system again.
During the simulation the geometric displacements of both VDP and VDHM were kept constant to ensure that the emulsion pump will be running at the nominal condition as the test standard required.
The power losses of VDHM and VDP are 2.12 kW and 1.34 kW and account for 20.5% and 12.9% of the total loss, respectively.
Like the simulation, the whole system was driven by the electric motor from the state of rest, and during experimental tests the geometric displacements of both VDP and VDHM were kept constant to ensure that the emulsion pump will be running at the nominal condition as the test standard required.