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Numerical prediction of load changes in a coal-fired utility boiler

In: High Performance Computing in Science and Engineering ’99

Author

Listed:
  • Alexander Bundschuh

    (University of Stuttgart, Institute of Process Engineering and Power Plant Technology (IVD))

  • Benedetto Risio

    (University of Stuttgart, Institute of Process Engineering and Power Plant Technology (IVD))

  • Uwe Schnell

    (University of Stuttgart, Institute of Process Engineering and Power Plant Technology (IVD))

  • Klaus R. G. Hein

    (University of Stuttgart, Institute of Process Engineering and Power Plant Technology (IVD))

Abstract

The present work deals with the numerical transient simulation of load changes in a pulverised coal-fired utility boiler. The boiler is a tangential firing system with an electrical output of 750 MW. The code used for the calculations is the in-house developed 3D combustion code AIOLOS. The implemented solution procedure is based on either the well-known SIMPLEC method (Semi Implicit Method for Pressure Linked Equations Consistent) or the PISO approach (Pressure Implicit with Splitting of Operators). The stability of the procedure is independent of the time step, since an implicit temporal discretisation scheme (Euler Implicit) is used. A validation exercise is presented by comparing the numerical results with temperature measurements available from LSE (Lehrstuhl für Systemtheorie in der Elektrotechnik), Saarland University, Saarbrücken.

Suggested Citation

  • Alexander Bundschuh & Benedetto Risio & Uwe Schnell & Klaus R. G. Hein, 2000. "Numerical prediction of load changes in a coal-fired utility boiler," Springer Books, in: Egon Krause & Willi Jäger (ed.), High Performance Computing in Science and Engineering ’99, pages 386-400, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-59686-5_36
    DOI: 10.1007/978-3-642-59686-5_36
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