Handling room for wind-tunnel cryogenic models

Details Handling room for wind-tunnel cryogenic models Handling room for wind-tunnel cryogenic models

1993-07-22

1994-11-22

Woodiel, Donald D.

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

52 64, G01M 900

Patent

active

053657829

ABSTRACT:
For cooling down a cryogenic model, provided for testing in a cryogenic wind tunnel, to the wind tunnel temperature and for performing mounting work and configurational changes on the cryogenic model, there is provided a working chamber which is supplied with warm air so that working personnel can enter it. The working chamber contains an insulating box, made from heat-insulating material, which has an open top and into which cold air is injected. The insulating box accommodates the cryogenic model under cold air conditions. Persons can perform manipulations on the cryogenic model while leaning over the edge of the insulating box. The cryogenic model is held on a holder which can be lifted upwardly out of the insulating box. Removal of the cryogenic model from the working chamber is possible by opening a top door.

REFERENCES:
patent: 3492767 (1970-02-01), Pincus
patent: 5054295 (1991-10-01), Goulooze
patent: 5119935 (1992-06-01), Stump et al.
patent: 5168675 (1992-12-01), Shea, Sr.
Hartzuiker, J. P., "The European transonic wind-tunnel ETW: A Cryogenic solution", Aeronautical Journal, Nov., 1984, pp. 379-394.
Dress, D. A. and Kilgore, R. A., "Cryogenic wind tunnel research: a globel perspective", Cryogenics 1988 vol. 28 Jan., pp. 10-21.
Agard Report No. 774, "Special Course on Advances in Cryogenic Wind Tunnel Technology," Jun. 5-9, 1989, pp. 3-1-3-12.

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