Wind tunnel, especially for aero-acoustic measurements, has openings at point of pressure maximum, e.g. in wall of feedback tube upstream of outlet nozzle and/or in diffuser

The device has a free-jet measurement section (1), a flow feedback tube, an outlet nozzle (18) before and a diffuser (4) after the free-jet section and a fan unit (9) in the feedback tube for producing an air flow. Openings (20-22; 24-26) at the point of a pressure maximum are formed e.g. in the wal...

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Bibliographische Detailangaben

Hauptverfasser:	KURZE, ULRICH J, STUEBER, BURKHARD, HEESEN, WILHELM VON
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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