Investigation of local energy release in water the free surface

Optimization of the preliminary heating of air, including different technical decisions, choice of the most optimum variants taking into account the least capital investments, is considered in the article. The offered scheme solution allows substantially to increase efficiency and profitability of production of electric power. Possibility of work of caldrons of Kharanorskoy GRES is considered without heaters, and also the use of steam for the preliminary heating of cold air of more low parameters.