Author:
Hussen Hamed A.,Hussain Rahman A.,Esmail Essam L.
Abstract
Abstract
Because there is power recirculation around internal loops in many transmissions, an undesirable increase in tooth meshing loss can arise in the system which results in lower efficiency. A single graph is used to illustrate the power flow magnitudes and directions. A simple formula for detecting power circulation in one degree of freedom multi-entity parallel-connected planetary gear trains is developed. In the absence of friction, power recirculation mainly depends on the speed ratios of the individual entities that constitute the PGT. The main novelty of the current method is in its extreme simplicity.
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