Article | Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany | Modeling of Gas-Particle-Flow and Heat Radiation in Steam Power Plants Linköping University Electronic Press Conference Proceedings
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Title:
Modeling of Gas-Particle-Flow and Heat Radiation in Steam Power Plants
Author:
Leo Gall: Siemens AG, Energy Sector, Germany Kilian Link: Siemens AG, Energy Sector, Germany Haiko Steuer: Siemens AG, Energy Sector, Germany
DOI:
10.3384/ecp11063610
Download:
Full text (pdf)
Year:
2011
Conference:
Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany
Issue:
063
Article no.:
068
Pages:
610-615
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2011-06-30
ISBN:
978-91-7393-096-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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Fired steam generators are the dominating technology of coal combustion in power plants. This paper presents a model for pulverized coal fired steam generators in Modelica. The model components are designed as an extension of SiemensPower; a Modelica library for transient simulation of power plants.

The focus is on coal combustion; gas-particle-flow and radiation heat transfer in the furnace. The dispersed flow of flue gas has to be modeled because radiation heat transfer gets considerably intensified by the contained coal and ash particles. Customized connectors for the dispersed flow of flue gas had to be developed on the base of Modelica.Fluid.

The component oriented approach supports the adaption of the model to different simulation tasks; such as stability analysis of the evaporator or influence of the coal mill on plant dynamics. Component structure; parametrization and spatial discretization were important aspects for the development of maintainable and re-usable components of the model library.

Keywords: steam power plant; coal; dispersed flow; radiation heat transfer; connectors

Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Author:
Leo Gall, Kilian Link, Haiko Steuer
Title:
Modeling of Gas-Particle-Flow and Heat Radiation in Steam Power Plants
DOI:
http://dx.doi.org/10.3384/ecp11063610
References:

[1] Franke; Rüdiger ; Casella; Francesco ; Otter; Martin ; Sielemann; Michael ; Elmqvist; Hilding ; Mattson; Sven Erik ; Olsson; Hans: Stream Connectors – An Extension of Modelica for Device-Oriented Modeling of Convective Transport Phenomena. In: Proceedings of the 7th International Modelica Conference; September 20th-22nd; 2009; Como; Italy; p. 108-121.

[2] Franke; Rüdiger ; Casella; Francesco ; Sielemann; Michael ; Proelss; Katrin ; Otter; Martin ; Wetter; Michael: Standardization of Thermo- Fluid Modeling in Modelica.Fluid. In: Proceedings of the 7th International Modelica Conference; September 20th-22nd; 2009; Como; Italy; p. 122-131.

[3] VDI-Gesellschaft Verfahrenstechnik und Chemieingenieurwesen (Ed.): VDI-Wärmeatlas. Ed. 10. Berlin : Springer; 2006.

[4] Gall; Leo: Dynamic Modeling of Fired Steam Generators. Erlangen; Germany: Diploma thesis; Technische Universität München; 2010.

[5] Dassault Systèmes AB: Dymola Version 7.4. http://www.dymola.com

[6] Spliethoff; Hartmut: Power Generation from Solid Fuels. Berlin : Springer; 2010. doi: 10.1007/978-3-642-02856-4.

Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Author:
Leo Gall, Kilian Link, Haiko Steuer
Title:
Modeling of Gas-Particle-Flow and Heat Radiation in Steam Power Plants
DOI:
https://doi.org10.3384/ecp11063610
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