AERODYNAMIC TESTING METHOD OF FLYING OBJECT AND AERODYNAMIC TESTING DEVICE FOR THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an aerodynamic testing device for a flying object for easily measuring aerodynamic characteristic of the flying object under condition of high Reynolds number which has not been measured. SOLUTION: A flying object model (b) reduced to 1/N of an actual flying object is launched into pressurized air of 0.1×N(MPa) in a high pressure chamber 2 at speed of Mach 10 and laser light transmitted from a laser light oscillator 3a is passed through observation windows 2a-2e of the high pressure chamber 2 and flying position of the flying object model (b) is detected with time difference by shielding of the laser light. And the detect signal is entered in a computing element 4 and speed of the flying object model (b) is computed from the detect signal to obtain speed change and also retardation of the flying object model (b) is computed from the speed change to obtain air resistance of the actual flying object.