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Abstrakty
Measurements of boiling heat transfer coefficients in water, methanol and refrigerant R141b are reported for the bundles of smooth tubes that represent a portion of a flooded-type evaporator. Each bundle contained 19 instrumented, electrically heated tubes in a staggered triangular-pitch layout. The effect of heat flux, tube pitch and operating pressure is studied in the paper. Bundle factor and bundle effect are discussed as well. A correlation for prediction of a bundle average heat transfer coefficient is proposed.
Słowa kluczowe
Rocznik
Tom
Strony
85--97
Opis fizyczny
Bibliogr. 19 poz., rys., tab.
Twórcy
Bibliografia
- [1] Palen J.W., Yarden A., Taborek J.: Characteristics of boiling outside largescale horizontal multitube bundles. AIChE Symp. Ser. 68(1972), 50–61.
- [2] Marto P.J., Anderson C.L.: Nucleate boiling characteristics of R-113 in small tube bundle. Trans. ASME J. Heat Transfer 114(1992), 425–433.
- [3] Browne M.W., Bansal P.K.: Heat transfer characteristics of boiling phenomenon in flooded refrigerant evaporators. Applied Thermal Engng 19(1999), 595–624.
- [4] Qiu Y.H., Liu Z.H.: Boiling heat transfer of water on smooth tubes in a compact staggered tube bundle. Appl. Thermal Engineering 24(2004), 1431–1441.
- [5] Rebrov P.N., Bukin V.G., Danilova G.N.: A correlation for local coefficients of heat transfer in boiling of R12 and R22 refrigerants on multirow bundles of smooth tubes. Heat Transfer – Soviet Research 21(1989), 543–548.
- [6] Gupta A., Saini J.S., Varma H.K.: Boiling heat transfer in small horizontal tube bundles at low cross-flow velocities. Int. J. HeatMass Transfer 38(1995), 599–605.
- [7] Kumar S., Mohanty B., Gupta S.C.: Boiling heat transfer from vertical row of horizontal tubes. Int. J. Heat Mass Transfer 45(2002), 3857–3864.
- [8] Da Silva E.F., Ribtatski G., Saiz-Jabardo J.M.: Experimental study on the nucleate boiling heat transfer coefficients on a vertical array of horizontal smooth tubes. In: Proc. 5th Int. Conf. on Transport Phenomena in Multiphase Systems HEAT2008, Vol. 2, Białystok 2008, 139-146.
- [9] Webb R.L., Choi K.D., Apparao T.R.: A theoretical model for prediction of the heat load in flooded refrigerant evaporator. ASHRAE Trans. 95(1989), 326–338.
- [10] Collier J.G., Thome J.R.: Convective Boiling and Condensation, 3rd edn. Clarendon Press, Oxford 1999.
- [11] Leong L.S., Cornwell K.: Heat transfer coefficients in a reboiler tube bundle. The Chemical Engineer 343(1979), 219–221.
- [12] Gupta A.: Enhancement of boiling heat transfer in a 3x5 tube bundle. Int. J. Heat Mass Transfer, 48(2005), 3763–3772.
- [13] Memory S.B., Akcasayar N., Erydin H., Marto P.J.: Nucleate pool boiling of R-114 and R-114-oil mixtures from smooth and enhanced surfaces – II. Tube bundles. Int. J. Heat Mass Transfer 38(1995), 1363–1374.
- [14] Cieśliński J.T.: Modelling of temperature field of cylindrical pool boiling heating section. Developments in mechanical engineering, Vol. 3, Chapter 1. GUT Publishers, 2009.
- [15] Chiou Ch.B., Lu D.Ch., Wang Ch.Ch.: Pool boiling of R-22, R124 and R- 134a on a plain tube. Int. J. Heat Mass Transfer 40(1997), 1657–1666.
- [16] Krasowski K.: Heat transfer during boiling on porous coated tube bundle. PhD thesis, Gdansk University of Technology, Gdansk 2009 (in Polish).
- [17] Chang T.B. and Chiou J.S.: Spray evaporation heat transfer of R141b on a horizontal tube bundle. Int. J. Heat Mass Transfer 42(1999), 1467–1478.
- [18] Cooper M.G.: Heat Flow in Saturated Nucleate Pool Boiling – A Wide- Ranging Examination Using Reduced Properties. Advances in Heat Transfer 16(1984), 157–239.
- [19] Michejev M. A.: Fundamentals of heat transfer. GE Izdatielstwo, Moscow 1949 (in Russian).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWM8-0039-0005