Open AccessDeep-Subsea OTEC
Author(s) -
Vicente Fachina
Publication year - 2017
Publication title -
mechanical engineering research
Language(s) - English
Resource type - Journals
eISSN - 1927-0615
pISSN - 1927-0607
DOI - 10.5539/mer.v7n1p1
Subject(s) - subsea , ocean thermal energy conversion , environmental science , deep water , engineering , marine engineering , waste management , oceanography , geology , seawater
A deep-subsea OTEC concept is simulated, and a threefold increase in exergy efficiency can be achieved as to the topside one. On the environmental aspect, a deep-subsea OTEC concept can bring about negative CO2 emissions, which poses a positive environmental risk. On the economics, with appropriate public funding, a 100 MW deep-subsea OTEC asset would cost about USD2010 600 million. On the life-cost of energy, values between 40-60 USD2010/MWh are predicted.
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