Development of a waste heat recovery system onboard LNG carrier to meet IMO regulations

Abstract Problems resulting from gas emissions lead to increase the concern about safety and health issues with the demand to reduce the emissions from marine shipping. Marine power plants are considered as one of the greatest contributors in the pollutants around the world. Waste heat recovery systems when implemented with ship propulsion system can reduce emissions, fuel consumption and improve the overall efficiency of power generation and utilization. The present article describes the waste heat recovery technology and the potential for ship operators to lower the fuel costs, exhaust emissions, and the effect on the EEDI of the ship. The main research target is to improve the propulsion machinery efficiency of liquefied natural gas carrier using WHRS. The proposed system leads to meet the requirements and regulations set by the IMO for TIER III.

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