Abstract
The drag of a half-scale aircraft laser turret is investigated in a low-speed wind tunnel. Forces, moments, and pressures are recorded fortheturretand aft-mounted fairings and splitter plates. Oil traces and tufts indicatethat the e ow is characterized by dominant vortices shedding from the top of the turret and a large trailing wake of vorticity. Splitter plates are ineffective in reducing drag as a result of the strong e ow over the top of the turret. A small fairing reduces the baseline drag coefe cient by 49% but is unable to produce attached e ow near the turret. A large fairing eliminates nearly all separation regions and reduces the baseline drag coefe cient by 55%.
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