DESIGN AND TEST OF A DEVICE FOR THREE DIMENSIONAL NOZZLE THRUST MEASUREMENT.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
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An omnidirectional thrust measuring apparatus was designed, built and tested. Its function is to test unsymmetrical air flowing devices. The apparatus uses the laboratory compressed air system as a supply source. It consists of a large, vertically suspended, freely pivoting, stagnation chamber, with a nozzle mounting plate which can move within the chamber. Movement is restricted by hydraulic systems, and thrust is determined from the hydraulic systems pressures. The system is capable of measuring radial thrust from 0.1 to 50 pounds in any direction and axial force from 3 to 900 pounds, as presently equipped. Author