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Modeling and Experimental Validation of a Rankine Cycle Based Exhaust WHR System for Heavy Duty Applications
Linköping University, Department of Electrical Engineering, Vehicular Systems. Linköping University, The Institute of Technology.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Modellering och experimentell validering av ett Rankinecykelbaserat Waste Heat Recovery-system (Swedish)
Abstract [en]

To increase the efficiency of the engine is one of the biggest challenges for heavy vehicles. One possible method is the Rankine based Waste Heat Recovery. Crucial for Rankine based Waste Heat Recovery is to model the temperature and the state of the working fluid. If the state of the working fluid is not determined, not only the efficiency of the system could be decreased, the components of thesystem might be damaged.A Simulink model based on the physical components in a system developed by Scania is proposed. The model for the complete system is validated against a reference model developed by Scania, and the component models are further validated against measurement data. The purpose of the model is to enable model based control, which is not possible with the reference model. The main focus on the thesis is to model the evaporation and condensation to determine state and temperature of the working fluid. The developed model is compared to a reference model with little differences for while stationary operating for both the components and the complete system. The developed model also follows the behavior from measurement data. The thesis shows that two phase modeling in Simulink is possible with models based on the physical components.

Place, publisher, year, edition, pages
2012. , 58 p.
Keyword [en]
Component model, heat transfer, two phase, evaporation, condensation, heat exchanger, turbine, pump
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-81737ISRN: LiTH-ISY-EX--12/4595--SEOAI: oai:DiVA.org:liu-81737DiVA: diva2:555858
External cooperation
Scania
Subject / course
Vehicular Systems
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-09-24 Created: 2012-09-21 Last updated: 2012-12-10Bibliographically approved

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Thesis_Carin_Carlsson_WHR(1173 kB)698 downloads
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf