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The paper presents an optimization analysis of the supervision control strategies of a combined hybrid propulsion system, realized via a direct (i.e., without a planetary gear set) mechanical link between the shaft of the internal combustion engine and the shaft of the traction electric motor. The analysis is based on a quasistatic mathematical model of the(More)
In Sliding Vane Rotary Compressors, as well as in most of positive displacement machines, the oil is injected to accomplish sealing and lubrication purposes. However, the oil injection could produce an additional outcome during the compression phase with a great saving potential from the energetic point of view. Being the air inside the cell at a higher(More)
The Compressed Air Sector (CAS) is responsible for a relevant part of energy consumption, accounting for a mean 10% of the worldwide electricity needs. This ensures about the importance of the CAS issue when sustainability, in terms of energy saving and CO 2 emissions reduction, is in question. Since the compressors alone account for a mean 15% of the(More)
The current work presents the development of a numerical methodology to investigate sliding vane rotary machines by means of advanced design tools such as the Computational Fluid Dynamics ones. Although highly limited in this topic, literature shows that the major constraint for the employment of such approaches is the deformation and motion of the rotor(More)
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