Utilization of air lubrication technology in ship industry

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Abhishek Roy
Achal Garg

Abstract

Large ocean-going vessels require large quantities of petroleum to generate the propulsive power to overcome resistance for their motion across water surfaces. As a result, ship produces Nitrogen Oxide (NOx), Carbon Dioxide (CO2), and Sulphur Oxide (SOx) which effect global climate change and ocean acidification. Many techniques introduce to reduce harmful toxic components from emission. It is proven fact that the drag resistance is most important factor for fuel consumption. Reducing drag resistance means reduction of necessary power, and so reduction of fuel consumption which leads to higher profit margins as well as cleaner environment. Air lubrication is next generation technology to reduce these toxic components from emission by means of reducing frictional resistance of large ocean going vessels. Few companies are implementing this technology in commercial vessels. This paper highlights these processes with its scope of future development.

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