Unsteady Flow/Quasi-Steady Heat Transfer Computations on a Turbine Rotor and Comparison With Experiments

[+] Author and Article Information
T. Korakianitis

Department of Mechanical Engineering, University of Glasgow, Glasgow G12 8QQ, United Kingdom

P. Papagiannidis

Frigoglass, Patras, Greece

N. E. Vlachopoulos

Panafon SA, Athens, Greece

J. Turbomach 124(1), 152-159 (Aug 01, 2001) (8 pages) doi:10.1115/1.1405419 History: Received March 01, 1993; Revised August 01, 2001
Copyright © 2002 by ASME
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Unsteady heat transfer rate (q̇ [btu/ft2 /s]) measurements and calculations as a function of phase ϕ. Top left: point A; top right: point B; bottom left: point C; and bottom right: point D (cf. Figs. 1, 2).
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Periodic local pressures and velocities versus ϕ for six points on the blade surfaces. On the suction surface: (a) at X=0.085; (b) at X=0.50; and (c) at X=0.892. On the pressure surface: (d) at X=0.126; (e) at X=0.50; and (f) at X=0.893.
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Stator-rotor geometry, and periodic phase angle ϕ
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Unsteady flow vectors superimposed on entropy contours for one full stator pitch from ϕ=0:000 to ϕ=8:780




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