In order to optimize the design parameters of indirect air cooling tower

make the tower adaptive to the adverse effect of high temperature and low wind speed in summer daytime on its heat dissipation

low altitude detection of captive balloon in summer was carried out for an indirect air cooling project in Weinan

and the influence of temperature inversion on heat dissipation the indirect cooling tower is simulated by computational fluid dynamic(CFD) software. The result shows that

the heat dissipation of the tower reduces by 2.4% and 3.0% for each 1.0 ℃/(100 m) increase in intensity of ground temperature inversion

according to the top height of ground temperature inversion

inlet level(≤50 m) and outlet level(≤100 m). The suspended inversion is observed during high temperature and low wind speed period in summer daytime

it accelerates the heat dissipation capacity of the tower than upper from the intension of 0.5～2.0 ℃/(100 m) within the thickness of 100 m

but the influence of other thickness needs more work. At last

it is strong suggested to increase observe times and height during the time of high temperature in daytime when the temperature inversion is investigated in summer.