The IEA-FBC model was developed following an initiative of Professor H. Becker, Queen’s University, Canada in the beginning of the 1980’s. The starting point was a thesis by F. Preto at the same university, but information was also taken from several available reports on mathematical modelling of FBC. The work was carried out by a doctor student from RWTH Aachen University, Germany, Jens Hannes. His work was supported by the IEA-FBC group. The work successfully ended with a Thesis defended at the Technical University of Delft, where Jens Hannes had spent much of his doctor studies in an exchange programme.

The model is a comprehensive one-dimensional, semi-empirical balance-type model of a circulating FBC boiler, including chemical reactions and heat transfer. It consists of a thorough description given in the Thesis, the main computer programme written in Fortran, and a number of subroutines, on paper and on a disc for direct application. Unfortunately, the computer programme showed instabilities in general application, and is not easy to use.

However, Korean members of the IEA-FBC made an effort in avoiding the instabilities and used the model successfully to analyse some of the CFB boilers operating in Korea. There is an intention in Korea to remove these difficulties discovered during the deployment in Korea and to make the improved code available for use in a not too distant future.

Please contact your country representative or the chairman to obtain the IEA- FBC model for your use for free.

Citation of the IEA-FBC model: The IEA-FBC model, International Energy Agency – Fluidized Bed Conversion Technology Collaboration Programme (TCP), www.ieafbc.org

Liability: The IEA-FBC model can be used for free for the users’s purposes, however the IEA-FBC Technology Collaboration Programme (TCP) can not be held responsible for any difficulties resulted from its utilization.