ISSN 1070-4272, Russian Journal of Applied Chemistry, 2008, Vol. 81, No. 9, pp. 1691−1696. © Pleiades Publishing, Ltd., 2008. Original Russian Text © A.M. Kagan, L.A.Yudina, A.S. Pushnov, 2008, published in Khimicheskaya Promyshlennost’, 2008, Vol. 85, No. 3, pp. 147−152. PROCESSES AND DEVICES OF CHEMICAL MANUFACTURES Hydraulic Resistance and Speciﬁ c Surface of Irregular Nozzles A. M. Kagan, L. A. Yudina, and A. S. Pushnov Moscow State UIniversity of Engineering Ecology, Moscow, Russia Received April 4, 2008 DOI: 10.1134/S1070427208090401 In hole channels various hydrodynamic regimes with the channels F . A product F H gives a free volume part c c 3 3 2 3 precise boundaries take place at gas and ﬂ uid ﬂ ows ε, m /m , and ПH a speciﬁ c surface S, m /m . Equation within. At Reynolds number related to the channel (1) is written as diameter Re < 2300 viscous forces prevailed and 4 F 4 FH , (2) a pressure drop ΔP is entirely deﬁ ned by a channel wall == = equiv friction of the ﬂ ow (here Re = W D/ν, where W is the D 0 0 ﬂ ow, m/s; D is the channel diameter, m; ν
Russian Journal of Applied Chemistry – Springer Journals
Published: Feb 17, 2009
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