OCR Text |
Show accurate predictions of the near burner zone and high temperature combustion process requires further improvement. Acknowledgements The authors wish to thank the Institution of Gas Engineers, UK., for the studentship (L.M. Dearden) and BOC GTC, UK., for financial assistance (IT. Hedley). References (1) Patankar, S.V., Numerical heat transfer andfluidflow, Hemisphere Publishing Co., (1980). (2) Patankar, S.V. and Spalding, D.B., Heat and mass transfer in boundary layers, Morgan Grampian Books, London, (1967). (3) Bowman, C.T. and Miller, lA., Prog. En. Combust. Sci., Vol. 15, (1989), p. 287-388. (4) Rekke, N.A., Hustad, lE., Souju, K.O. and Williams, F.A., Twenty fourth Symposium (International) on Combustion, The Combustion Institute, (1992), p. 385. Figures Fig.!. - Schematic diagram of the regenerative test-furnace arrangement. Fig. 2. - Schematic diagram of the regenerative unstaged (a) and air-staged burner (b). Fig. 3. - Configuration of trumpets and overall layout of the oxy/fuel burner. Fig. 4. - Measured and predicted temperature profiles for the regenerative unstaged and airstaged burner, at a distance ofO.lm from the burner exit. Measured: air-staged (+). Predicted: unstaged (-) and air-staged (. • .). Fig. 5. - Measured and predicted NOx profiles for the regenerative unstaged (a) and airstaged burner (b), at a distance of 0.1 m from the burner exit. |