Article | Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017 | Extended Modelica Model for Heat Transfer of Two-Phase Flows in Pipes Considering Various Flow Patterns Linköping University Electronic Press Conference Proceedings
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Title:
Extended Modelica Model for Heat Transfer of Two-Phase Flows in Pipes Considering Various Flow Patterns
Author:
Timm Hoppe: XRG Simulation GmbH, Harburger Schlossstr. 6-12, 21079 Hamburg Germany Friedrich Gottelt: XRG Simulation GmbH, Harburger Schlossstr. 6-12, 21079 Hamburg Germany Stefan Wischhusen: XRG Simulation GmbH, Harburger Schlossstr. 6-12, 21079 Hamburg Germany
DOI:
10.3384/ecp17132467
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017
Issue:
132
Article no.:
053
Pages:
467-476
No. of pages:
10
Publication type:
Abstract and Fulltext
Published:
2017-07-04
ISBN:
978-91-7685-575-1
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Boiling in vertical and horizontal pipes is a complex process defining transient and static performance of various technical applications. An extensive literature review taking all relevant boiling regimes is presented. The models from the literature are evaluated with respect to accuracy and suitability for system simulation application. A set of sub-models for each of the existing boiling phenomena is implemented and applied to a global boiling model. The work pays special attention to smooth transition between the sub-models and to numerical efficient solutions with respect to the consideration of the boiling crisis.

Keywords: Boiling model, heat transfer, two phase flow, pipe flow, evaporation, critical heat flux, boiling crisis, subcooled boiling, saturated boiling, flow pattern, Fluid-Dissipation, ClaRa

Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017

Author:
Timm Hoppe, Friedrich Gottelt, Stefan Wischhusen
Title:
Extended Modelica Model for Heat Transfer of Two-Phase Flows in Pipes Considering Various Flow Patterns
DOI:
http://dx.doi.org/10.3384/ecp17132467
References:

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Proceedings of the 12th International Modelica Conference, Prague, Czech Republic, May 15-17, 2017

Author:
Timm Hoppe, Friedrich Gottelt, Stefan Wischhusen
Title:
Extended Modelica Model for Heat Transfer of Two-Phase Flows in Pipes Considering Various Flow Patterns
DOI:
https://doi.org10.3384/ecp17132467
Note: the following are taken directly from CrossRef
Citations:
  • Lars O. Nor & Rubén M. Montañés (2018). Compact steam bottoming cycles: Model validation with plant data and evaluation of control strategies for fast load changes. Applied Thermal Engineering, 142: 334. DOI: 10.1016/j.applthermaleng.2018.07.012


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