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Generalized Correlations for Heat Transfer Determination in Steam and Gas Turbine Casings (CROSBI ID 504356)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Guzović, Zvonimir ; Matijašević, Branimir ; Sviderek, Stanislav ; Generalized Correlations for Heat Transfer Determination in Steam and Gas Turbine Casings // Proceedings of the 2nd International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics - HEFAT 2003 / Meyer, Josua P. (ur.). Pretoria: HEFAT, 2003. str. 1-8-x

Podaci o odgovornosti

Guzović, Zvonimir ; Matijašević, Branimir ; Sviderek, Stanislav ;

engleski

Generalized Correlations for Heat Transfer Determination in Steam and Gas Turbine Casings

For the solving of different problems in designing of new and exploitation of the existing steam and gas turbines it is necessary to perform the calculation of heat transfer on surfaces inside casings, such as surfaces which confine spaces between outer and inner casings, the spaces of non-automatic and automatic steam extractions, spaces inside cross-over channels, spaces of steam exhaust (i.e. of exhaust casings), spaces of steam admission (i.e. of inlet casings), spaces inside valves, etc., and for this the values of convective heat transfer coefficients have to be known. The latter are most frequently determined on the basis of correlations obtained by means of experimental measurements, often without checking the possibility of their application in the individual case. In literature, there is a definite number of empirical correlations proposed by various researchers, which are mutually distinguished with regard to the range of change of the geometrical and gas-dynamics parameters and with regard to choosing physical properties. All this makes their application more difficult. Therefore, in the paper, the systematization of single empirical correlations from literature is performed first, and after that the original generalized correlations are proposed obtained by means of statistical analysis of calculation results by systematized single correlations. The original generalized correlations proposed in the paper ensure accuracy of calculations which satisfy engineering applications.

Generalized Correlations; Heat Transfer Determination; Steam and Gas Turbine Casings

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Podaci o prilogu

1-8-x.

2003.

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objavljeno

Podaci o matičnoj publikaciji

Proceedings of the 2nd International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics - HEFAT 2003

Meyer, Josua P.

Pretoria: HEFAT

Podaci o skupu

2nd International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics - HEFAT 2003

predavanje

23.06.2003-26.06.2003

Viktorijini slapovi, Zambija

Povezanost rada

Strojarstvo