Hydrodynamics of Miniring Nozzles Made of a Polymer Material

Results of hydrodynamic tests of dry and irrigated polymer miniring nozzles 40 ∞ 3.5 ∞ 1 mm in dimension are presented. It is shown that MRN-type nozzles surpass foreign counterparts in terms of basic geometric characteristics. Thus, the specific surface of an MRN-type nozzle is 180 m 2 /m 3 , i.e.,...

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Veröffentlicht in:	Chemical and petroleum engineering 2014-09, Vol.50 (5-6), p.330-334
Hauptverfasser:	Pushnov, A. S., Sokolov, A. S., Sidel’nikov, I. I., Kurbatova, E. A., Mitrofanova, E. G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Chemistry and Materials Science Fluid dynamics Geotechnical Engineering & Applied Earth Sciences Industrial Chemistry/Chemical Engineering Industrial Pollution Prevention Mineral Resources Polymer industry Polymers
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Zusammenfassung:	Results of hydrodynamic tests of dry and irrigated polymer miniring nozzles 40 ∞ 3.5 ∞ 1 mm in dimension are presented. It is shown that MRN-type nozzles surpass foreign counterparts in terms of basic geometric characteristics. Thus, the specific surface of an MRN-type nozzle is 180 m 2 /m 3 , i.e., 40% higher than that of the well-known CMR nozzle. Tests demonstrated that the hydraulic resistance of a dry MRN-type nozzle is one-third that of a nozzle made of Raschig rings and 1.3-times less than that of a CMR nozzle. Empirical equations for use in determining hydraulic resistance are presented.
ISSN:	0009-2355 1573-8329
DOI:	10.1007/s10556-014-9902-1