TOTAL ENERGY SAVING ON BOARD SHIPS

Although technical developments in marine propulsion have varied widely over the past few decades, there has been a constant effort towards operational economy. The area of greatest effort is now, and will continue to be, that of fuel saving. The Author, of Mitsubishi H.I., presents a state-of-the-art review of the saving of (i.e., fuel for all purposes) in ships, and associated problems, under the main headings:--1. Introduction. 2. Necessity of Fuel Saving on Board Ships. 3. Total Energy Consumption on Board Ships. 1. Equivalent total fuel rate of propulsion plant. 2. Analysis of required electric power on board. 3. Total energy saving on board. 4. Reduction of necessary propulsive power. 1. Slower design speed. 2. Reduction of resistance. 3. Improved propulsive efficiency by use of slower propeller revolutions. Order from BSRA as No. 49,647.