Method and installation for generating a high mass flow of unpol

Details Method and installation for generating a high mass flow of unpol Method and installation for generating a high mass flow of unpol

1992-12-08

1994-05-17

Woodiel, Donald D.

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

280737, G01M 900

Patent

active

053117743

ABSTRACT:
To generate an unpolluted high enthalpy air blast of several seconds duration a mass of feed air intended to constitute the high enthalpy air blast is preheated to a given temperature and stored at a given pressure in an elongate confinement tunnel with thermally insulative walls. A downstream orifice of the tunnel is kept closed and a blast of high-pressure air is applied to the upstream end of the mass of feed air to compress it quasi adiabatically to obtain a feed air temperature of at least 1,800K. The downstream orifice is opened and application of the high-pressure air blast is continued whereby the mass of feed air is expelled through the downstream orifice in the form of a feed blast, the temperature of which remains constant for several seconds.

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patent: 3807755 (1974-03-01), Mason, Jr.
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patent: 4898028 (1990-02-01), Brehm
ICIASF '89 Record, Sep., 1989, pp. 19-28.
Soviet Patents Abstracts, Mar. 7, 1990, week 9004.

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