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Technical note A simple shock tunnel driver gas detector (1996)

Paull, A.

Springer

Shock waves 6 (1996), S. 309-312

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ISSN: 1432-2153

Keywords: Key words:Shock tunnels, Driver gas, Contamination, Test time

Source: Springer Online Journal Archives 1860-2000

Topics: Physics , Technology

Notes: Abstract. A device has been developed to detect the arrival of the driver gas in a shock tunnel. The detector is small enough to be used in conjunction with other experiments. It works by choking a duct when the specific heat ratio is increased past a critical value. Times are given for the onset of a 7.5% contamination level in flows with freestream enthalpies ranging from 3–9 MJ/kg. These results are compared with and are shown to be in agreement with measurements made with a mass spectrometer. Results displaying the rate at which the test gas is contaminated are also given.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/

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