METHOD OF CONDUCTING EXPERIMENT IN WIND TUNNEL Russian patent published in 1996 - IPC

FIELD: determination of aerodynamic characteristics of flying vehicle models. SUBSTANCE: angles of attack and slip angles of model are simultaneously and continuously changed at preset rate and pressure is reduced or increased on wind tunnel prechamber. Aerodynamic characteristics of model and parameters of flow which change continuously are measured. Motion of model and change of pressure in prechamber within preset limits are effected in forward and backward directions, without interrupting measurement process. At arbitrary moments of time, short-time intermediate stops of model motion are made at simultaneous discontinuation of change of pressure in prechamber, without interrupting measurement process. EFFECT: enhanced reliability. 2 cl