The thermal performance of natural draft counterflow wet cooling towers is greatly affected by ambient cross wind

this situation can be improved by applying air guiding baffles at air inlet of the tower. To test the effect of air guiding baffles

this paper studies a 1 000 MW power generation unit with a 13 000 m~2 natural draft counter-flow wet cooling tower located at strong wind region. Through field tests under the same operating and ambient conditions

the effects of adding air guiding baffles on basin water temperature and thermal performance of the cooling tower are studied. The results show that

the adverse effect of ambient cross wind on natural draft counter-flow wet cooling towers can be effectively reduced by applying air guiding baffles. Under the same operating and ambient conditions

the basin water temperature of the cooling tower with air guiding baffles is lower than that of the same type cooling tower without the air guiding baffles. Within the test range

this basin water temperature difference becomes more significant with the increasing ambient wind speed. When the wind speed v is below 3 m/s

the basin water temperature is basically the same. When 3 m/s≤v5 m/s

the viariation range of basin water temperature is 0.24～0.61 ℃. When 5 m/s≤v8 m/s

the variation range of the basin water temperature is 0.71～0.97 ℃.