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Abstract
Heat water disposal is inevitable in the cooling system of power plant in coastal environment. The effects of heat water that flows to coastal area can cause marine pollution disorders on the ecosystem balance because of its higher temperature. Thus it may be able to cause warm water recirculation into the intake point as the result of tidal current reversal. Appropriate design of cooling water layout need to be developed to prevent adverse effects on the environment and to minimize heat water spreading. In this research, heat water pollution from water cooling system of power plant was modelled using Surface Water Modelling System (SMS). The results of modelling are used as one of parameters in designing layout of inlet and outlet points of water cooling system. The model results show that different length of outlet canal provides different temperature rise spreading which also provide different results on the environmental and operational criteria.
Keywords: Power plant, marine pollution, thermal pollution, numerical modelling, SMS
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