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Języki publikacji
Abstrakty
A method which allows numerical calculations unknown parameters in correlation formulas for Nusselt number and calculations of heat transfer coefficient was presented. The values of unknown parameters and heat transfer coefficients were determined on the hot and cold fluid side simultaneously with-out necessity of prior indirect calculations of overall heat transfer coefficient. Calculations were carried out on the basis of experimental data for parallel and counter flow in helically coiled heat exchanger CCX14 tube in tube type. As a result of numerical calculations distributions of Nusselt number versus of Reynolds number in circular and annular channel were presented.
Czasopismo
Rocznik
Tom
Strony
29--40
Opis fizyczny
Bibliogr. 10 poz.,Wz., tab., wykr., rys.
Twórcy
autor
- Katedra Maszyn i Urządzeń Energetycznych, Instytut Aparatury Przemysłowej i Energetyki, Wydział Mechaniczny
Bibliografia
- [1] GUO L., FENG Z., CHEN X.: An experimental investigation of the frictional pressure drop of steam-water two-phase flow in helical coils, Int. J. of Heat and Mass Transfer, 44 (2001), 2601-2610.
- [2] LIN C.X., EBADIAN M. A.: The effects of inlet turbulence on the development of fluid flow and heat transfer in a helically coiled pipe, Int. J. of Heat and Mass Transfer, 42 (1999), 739-751.
- [3] INABA H., ALY W.I.A., HARUKI N., HORIBE A.: Flow and heat transfer characteristics of drag reducing surfactant solution in a helically coiled pipe, Heat Mass Transfer, 41 (2005), 940-952.
- [4] BECK J.V., BLACKWELL B., CLAIR CH.R.ST.: Inverse Heat Conduction. Ill-posed Problems, New York, Wiley 1985.
- [5] NASHCHOKIN V.V.: Engineering Thermodynamics and Heat Transfer, Mir Publishers, Moscow 1979.
- [6] LAWSON C, HANSON R.: Solving Least Squares Problems, Prentice Hall, Englewood Cuffs, 1974.
- [7] IMSL Fortran and C Application Development Tools, Visual Numerics Inc., Vol. 1 and 2, Houston 2007.
- [8] ROGERS G.F.C, MAYHEW Y.R.: Heat transfer and pressure loss in helically coiled tubes with turbulent flow, Int. J. of Heat Mass Transfer, Vol. 7, (1964) 1207-1216.
- [9] HEWITT G.F. (ed.): Handbook of Heat Exchanger Design, Begell House, New York 1992.
- [10] SCHMIDT E.F.: Heat Transfer and Pressure Drop in Helicoil Tubes, Chemie Ingenieur-Technik, 39 Jahrgang, Heft 13 (1967), 781-789 (in German).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BGPK-1839-7027