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Spray and Wall Film Modeling with Conjugate Heat Transfer in OpenFOAM
Linköping University, Department of Management and Engineering, Applied Thermodynamics and Fluid Mechanics. Linköping University, The Institute of Technology.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This master thesis was provided by Scania AB. The objective of this thesis was to modify an application in the free Computational Fluid Dynamics software OpenFOAM to be able to handle spray and wall film modeling of a Urea Water Solution together with Conjugate Heat Transfer. The basic purpose is to widen the knowledge of the vaporization process of a Urea Water Solution in the exhaust gas after treatment system for a diesel engine by using OpenFOAM. First, urea has been modeled as a very viscous liquid at low temperature to mimic the solidication process of urea. Second, the development of the new application has been done. At last, test simulations of a simple test case are performed with the new application. The results are then compared with simplied hand calculations to verify a correct behavior of certain exposed source terms. The new application is working properly for the test case but to ensure the reliability, the results need to be compared with another Computational Fluid Dynamics software or more preferable, real experiments. For more advanced geometries, the continued development presented last in this thesis is highly recommended to follow.

Place, publisher, year, edition, pages
2012. , 77 p.
Keyword [en]
OpenFOAM, CFD, Heat Transfer, CHT, Conjugate Heat Transfer, Numerical Calculations, Computational Fluid Dynamics, Spray, Wall Film, Simulation, FVM, Finite Volume Method
National Category
Applied Mechanics
URN: urn:nbn:se:liu:diva-84487ISRN: LIU-IEI-TEK-A--12/01495--SEOAI: diva2:561245
External cooperation
Scania AB
Subject / course
Applied Thermodynamics and Fluid Mechanics
Available from: 2012-10-18 Created: 2012-10-09 Last updated: 2012-10-18Bibliographically approved

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Sjölinder, Emil
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