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مکانیک::
لوله شوک
, the impulsively driven analog of the Rayleigh-Taylor instabil- ity) of a thin layer of heavy gas (SF6) embedded in a lighter gas (air) and accelerated by a planar shock passing through a shock tube.
The heavy gas layer (or curtain) is formed by SF6 flowing vertically downward into the test section of the shock tube through a varicose nozzle and out of the test section through a slit.
A horizontal CW laser sheet illuminates the curtain near the mid-plane of the shock tube.
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