Abstract
Abstract In the Faculty of Ocean Engineering and Ship Technology, Gdansk University of Technology, design has recently been developed of a small inland ship with hybrid propulsion and supply system. The ship will be propelled by a specially designed so called parallel hybrid propulsion system. The work was aimed at carrying out the energy efficiency analysis of a hybrid propulsion system operating in the electric motor drive mode and at performing the noise pollution measurements. The performed investigations have shown that a significant impact on the efficiency and on the acoustic emission has the type of belt transmission applied.
Highlights
In recent years an unusual development in practically all fields of science has been witnessed
In the drive first version (I), a high class synchronic straight gear belt transmission was used consisting of two toothed wheels and one tension roll
The investigation results have shown that the efficiency of such belt transmissions increases with the increasing output power (Fig. 9 to 11)
Summary
In recent years an unusual development in practically all fields of science has been witnessed. New machines and equipment with increasing capabilities are being designed and produced and the progress has not left shibuilding out. In most of the constructed ships the conventional propulsion with an internal combustion engine is used. Modern propulsion units of the type are equipped with complex fittings limiting emissions of noxious compounds to the atmosphere. Attempts to limit emissions are being made even at the cost of increased fuel consumption. Modern internal combustion engines are more and more often adapted to use such nontypical fuels as vegetable oils or compressed natural gas
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