Abstract
A new method is proposed and verified according to which the efficiency of remote gas sampling by means of a swirling air jet is improved through matching the probing and sampling vortex fluxes. It is shown that, under the conditions of matching (with the probing/additional flux ratio of 1.3), a counter flow with a minimum diameter of the vortex core is formed that minimizes the sample losses while retaining high rarefaction at the probed object surface.
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Original Russian Text © Yu.N. Kolomiets, V.V. Pervukhin, 2009, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2009, Vol. 35, No. 17, pp. 18–25.
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Kolomiets, Y.N., Pervukhin, V.V. Matching the vortex and sample fluxes in remote gas sampling by swirling air jet. Tech. Phys. Lett. 35, 793–795 (2009). https://doi.org/10.1134/S106378500909003X
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DOI: https://doi.org/10.1134/S106378500909003X