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A new installation for improving the efficiency of the air cooled condenser (ACC) heat exchange has been proposed in a patent and its performance is investigated in current paper. This installation can be used in air-cooled condenser power plants. The installation is simple and it is designed to be installed around ACC platform. The installation is called “ACC protecting shield”. The performance of “ACC protecting shield” is investigated by CFD simulation. A series of wind environment conditions are simulated. The simulation results show that there would be significant improvements of the heat exchange efficiency when the installation is applied. The improvements include two aspects: first, flow rate of ACC fans would enhance. And second, plume recirculation would relieve. For 2m/s wind velocity condition, the average temperature of fans’ inlet will drop remarkably (more than 0.78K), and the fans’ flow rate will increase more than 1% .

Investigation of a New Installation for Improving the Efficiency of the Air-Cooled Condenser Fans in Thermal-Power Plants