Geometrical uncertainty in turbomachinery: Tip gap and fillet radius

Computers and Fluids

Volumn 46, Issue 1, 2011, Pages 362-368

  Montomoli, F ^a   Massini, M ^a   Salvadori, S ^b  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b Energy Engineering Department S Stecco   (Italy)

Author keywords

Leakage; Manufacturing; Turbomachinery; Uncertainty

Indexed keywords

COMPONENT LIFE; DESIGN PHASE; FILLET RADIUS; FLOWTHROUGH; GEOMETRICAL MODELS; GEOMETRICAL UNCERTAINTY; GEOMETRICAL VARIATIONS; HEAT LOADING; HIGH IMPACT; HIGH PRESSURE; LEAKAGE; MACHINE RELIABILITY; MANUFACTURING; MANUFACTURING PROCESS; MANUFACTURING UNCERTAINTY; MEAN VALUES; PERFORMANCE PARAMETERS; PRELIMINARY ANALYSIS; PROBABILISTIC FUNCTIONS; RESPONSE SURFACE; ROTOR TIP; SERVICE OPERATIONS; SMALL GEOMETRY; STATE OF THE ART; STATISTICAL DISTRIBUTION; UNCERTAINTY;

COMPUTATIONAL FLUID DYNAMICS; LOADING; MACHINE COMPONENTS; MANUFACTURE; RELIABILITY ANALYSIS; ROTORS; THERMAL LOAD; TURBOMACHINERY;

PROBABILITY DISTRIBUTIONS;

EID: 79954675846     PISSN: 00457930     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.compfluid.2010.11.031     Document Type: Article

References (20)

1. Shang T., Epstein A.H. Analysis of hot streak effects on turbine rotor heat load. ASME J Turbomach 1997, 119:544-553.
2. Krishnababu S.K., Newton P.J., Dawes W.N., Lock G.D., Hodson H.P., Hannis J., et al. Aerothermal investigations of tip leakage flow in axial flow turbines. Part I: Effect of tip geometry and tip clearance gap. ASME J Turbomach 2009, 13(1):14.
3. Ameri A.A., Bunker R.S. Heat transfer and flow on the first-stage blade tip of a power generation gas turbine. Part 2: Simulation results. ASME J Turbomach 2000, 122:272.
4. Adami P, Martelli F, Michelassi V. Three-dimensional investigations for axial turbines by an implicit unstructured multi-block flow solver. In: Proceedings of the ASME-IGTI turbo expo 2000, Munich, DE; 2000.
5. Adami P, Michelassi V, Martelli F. Performances of a NewtonKrylov scheme against implicit and multi-grid solvers for inviscid flows. In: AIAA paper; 1998. p. 98-2429.
6. Montomoli F, Adami P, Martelli F. A finite volume method for the conjugate heat transfer in film cooling devices. In: Proceedings of the institution of mechanical engineers. Part A. J Power Energy 2009;223(A2):191-200.
7. Salvadori S, Bernardini C, Martelli F, Adami P. Turbulence and transition modeling in transonic turbine stages. In: Proceedings of the ISABE conference; 2009. ISABE-2009-1218.
8. Adami P, Salvadori S, Chana KS. Unsteady heat transfer topics in gas turbine stages simulations, Proceedings of the ASME Turbo Expo(2006), 6(Part B), Pages 1733-1744
9. Venkatakrishnan V. A perspective on unstructured grid flow solvers. NASA ICASE report. ICASE-1995-3. Virginia: Langley Research Center; 1995.
10. Roe P.L. Characteristic based scheme for Euler equations. Ann Rev Fluid Mech 1986, 1.
11. Saad Y., Schults M.H. Gmres: a generalized minimal residual algorithm for solving nonsymmetric linear systems. SIAM J Sci Stat Comput 1986, 7:856-869.
12. Wilcox DC. Turbulence modeling for CFD. Technical report. DCW Industries Inc.; 1993.
13. Durbin P.A. On the stagnation point anomaly. Int J Heat Fluid Flows 1996, 17:89-90.
14. Medic G., Durbin P.A. Toward improved prediction of heat transfer on turbine blades. J Turbomach 2002, 124:187-192.
15. Verstraete T. Multidisciplinary turbomachinery component optimization considering performance, stress and internal heat transfer. PhD thesis. Belgium: Von Karman Institute for Fluid Dynamics; 2009.
16. Farhat C, Li J. An iterative domain decomposition method for the solution of a class of indefinite problems in computational structural dynamics. In: 6th IMACS international symposium on iterative methods in scientific computing. Appl Numer Math 2005;54(2):150-66.
17. Cuthill E, McKee J. Reducing the bandwidth of sparse symmetric matrices. In: Proceedings of the 24th national conference of ACM; 1969. p 157-72.
18. Chana KS, Mole AH. Summary of cooled NGV and uncooled rotor measurements from the MT1 single stage high pressure turbine in the DERA isentropic light piston facility. Brite-EuRam TATEF project (BRPR-CT97-0519); 2002.
19. Denton J.D. The calculation of three-dimensional viscous flow through multistage turbomachines. J Turbomach 1992, 114:18-26.
20. Salvadori S, Montomoli F, Martelli F, Chana KS, Qureshi I, Povey T. Analysis on the effect of a non-uniform inlet profile on heat transfer and fluid flow in turbine stages. In: Proceedings of the ASME-IGTI turbo expo 2010, Glasgow, UK; 2010. GT2010-23526.