Design, Construction and Testing of a Desktop Supersonic Wind Tunnel | Zendy

Vi H. Rapp | Zendy; Jennifer A. Jacobsen | Zendy; Mark Lawson | Zendy; A. G. Parker | Zendy; Kuan Chen | Zendy

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Design, Construction and Testing of a Desktop Supersonic Wind Tunnel

Author(s) -

Vi H. Rapp,

Jennifer A. Jacobsen,

Mark Lawson,

A. G. Parker,

Kuan Chen

Publication year - 2005

Publication title -

american journal of undergraduate research

Language(s) - English

Resource type - Journals

eISSN - 2375-8732

pISSN - 1536-4585

DOI - 10.33697/ajur.2005.014

Subject(s) - nozzle , supersonic wind tunnel , wind tunnel , supersonic speed , mach number , thrust , hypersonic wind tunnel , cantilever , aerospace engineering , compressible flow , marine engineering , engineering , structural engineering , compressibility , simulation

A mobile and affordable, miniature wind tunnel to aid students in studying high-speed compressible flows was constructed and tested. Millimeter-sized nozzles of different contours were fabricated to produce supersonic flows at Mach 2. The complete system consists of a converging-diverging nozzle, a load cell, pressure and temperature sensors, a tank to store highpressure gases, and a computer-aided data acquisition system. The wind tunnel system is mounted to a cart, making it convenient to move. This test facility allows students to study and test supersonic flows in a safer environment while eliminating the high costs for a full-sized facility. Gas pressure was measured at various locations in the nozzle. A load cell consisting of four cantilever beams was constructed and used to determine the thrust of the nozzle. Data collected from each nozzle was compared to numerical simulations. In all cases, the simulations were in good agreement with the experimental data.

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