Exergoeconomic effect of adding a new feedwater heater to a steam power plant Amin Mohammadi Khoshkar Vandani, Fatemeh Joda, Fatemeh Ahmadi and Mohammad Hossein Ahmadi Mechanics & Industry, 18 2 (2017) 224 Published online: 16 March 2017 DOI: 10.1051/meca/2016051