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BSc 2010 in Mechanical Engineering SS 2014. 6 th Semester Start: April 16 th 2014 . 0/0 – 04.2011. Heat and Mass Transfer. Prof. Dr.-Ing. Henning Bockhorn Engler-Bunte-Institut/Division of Combustion Technology Karlsruhe Institute of Technology henning.bockhorn@kit.edu
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BSc 2010 in Mechanical Engineering SS 2014 6th Semester Start: April 16th 2014 0/0 – 04.2011
Heat and Mass Transfer Prof. Dr.-Ing. Henning Bockhorn Engler-Bunte-Institut/Division of Combustion Technology Karlsruhe Institute of Technology henning.bockhorn@kit.edu http://vbt.ebi.kit.edu 0/1 – 04.2011
Course: Heat and Mass Transfer SS 2014 ----------------------------------------------------- Lectures: Wednesday 9:45 – 11:15 h Start: 16. April 2014 Location: International Department, Seminar Room 203 Exercises: Wednesday 11.30 – 12:15 h Start: 7. May 2014 Location: International Department, Seminar Room 203 All material concerning the course „Heat and Mass Transfer“ can be downloaded from http://vbt.ebi.kit.edu Lectures and exercises at the following dates are cancelled and recapitulated at a later date by appointment: 11. June 2014 Oral examinations: By special appointment (July to September) 0/2 – 04-2011
Physical variables and units in the course „Heat and Mass Transfer“ are used according to ISO (International Standard Organisation), IUPAC (International Union of pure and applied Chemistry) and IUPAP (International Union of pure and applied Physics). Details can be found in: IUPAC (Ed): Quantities, Units, and Symbols in Physical Chemistry, 3rd edition, RSC Publishing, Cambridge 2007 Down load from http://vbt.ebi.kit.edu 0/3 – 04-2011
Literature complementing the course „Heat and Mass Transfer“ H.D. Baehr, K. Stephan: Wärme- und Stoffübertragung, Springer Verlag, New York, Berlin, Heidelberg 2006 M. Baerns, A. Behr, A. Brehm, J. Gmehling, H. Hofmann, U. Onken, A. Renken: Technische Chemie, Wiley-VCH Verlag, Weinheim 2006 R.B. Bird, W.E. Stewart, E.N. Lightfoot: Transport Phenomena, John Wiley & Sons, New York 2002 T. Cebeci, P. Bradshaw: Physical and Computational Aspects of Convective Heat Transfer, Springer Verlag, New York, Berlin, Heidelberg 1989 P. Grassmann, F. Widmer, H. Sinn: Einführung in die thermische Verfahrenstechnik, Walter de Gruyter Verlag, Berlin 1997 F.P. Incropera, D.P. DeWitt: Fundamentals of Heat and Mass Transfer, John Wiley & Sons, New York 1996 M. Jischa: Konvektiver Impuls-, Wärme- und Stoffaustausch, Vieweg Verlag, Braunschweig 1982 F. Kreith, M.S. Bohn: Principles of Heat Transfer, Harper & Row Publishers, New York 1986 M.N. Özisik: Heat Transfer; A Basic Approach, McGraw-Hill Book Company, New York 1985 H. Schlichting, K. Gersten: Grenzschicht-Theorie, Springer-Verlag, Berlin, Heidelberg 1997 E.U.Schlünder, H. Martin: Einführung in die Wärmeübertragung, Vieweg Verlag, Braunschweig 1995 E.U. Schlünder: Einführung in die Stoffübertragung, Vieweg Verlag, Braunschweig 1996 P. Stephan, K. Schaber, K. Stephan, F. Mayinger: Thermodynamik, Springer Verlag, Berlin 2006 VDI-Gesellschaft für Verfahrenstechnik und Chemieingenieurwesen:VDI-Wärmeatlas, Berechnungs-blätter für den Wärmeübergang, Springer-Verlag, Berlin Heidelberg New York 2006 0/4 – 01.2012
Contents 1. Introduction 1.1 Heat and mass transfer in daily life and process/mechanical engineering 1.2 What is heat, mass ? 1.2.1 Temperature, heat 1.2.2 Mass 1.3 Transport of energy (heat) and mass 1.3.1 Transport by convection 1.3.2 Transport by conduction (diffusion) 1.3.3 Superposition of convection and conduction 1.3.4 Balance equations for energy (heat) and mass 1.3.5 Heat and mass transfer as boundary value problems of balance equations 2. Molecular transport processes: Heat conduction and mass diffusion 2.1 Stationary heat conduction 2.1.1 Fourier´s law of stationary heat conduction and heat conductivity 2.1.2 Mechanisms of heat conduction in gases, liquids and solids 0/5 – 01.2012
2.1.3 Stationaryheatconduction in planarand non-planar geometries, heattransfercoefficient 2.1.4 Stationaryheatconduction in layeredmaterials, over all heattransfercoefficient 2.1.5 Examplesofstationaryheatconduction in engineering 2.2 Non stationaryheatconduction 2.2.1 Fourier‘slawof non stationaryheatconductionand thermal conductivity 2.2.2 Solutions ofFourier‘slawof non stationaryheatconductionfor different boundaryconditionsand geometries 2.3Stationarydiffusion 2.3.1 Fick‘slawofstationarydiffusionanddiffusioncoefficients 2.3.2 Mechanismsofdiffusion 2.4 Non-stationarydiffusion 2.4.1 Fick‘slawof non-stationarydiffusion 2.4.2 Solutions ofFick‘slawfor non-stationarydiffusion 2.5 Similarityofheatandmasstransfer 2.6 Examplesforstationarydiffusionproblemsfromprocessengineering 0/6 – 01.2012
3. Macroscopictransportprocesses: Heatandmasstransfer in presenceofconvection 3.1 Heattransfer in technicalappliances 3.2 General model forheattransfer 3.3 Heattransfer in technicalheatexchangers 3.3.1 Over all heattransfercoefficient 3.3.2 Simple heattransferproblemsfromprocessengineering 3.4 Masstransfer in technicalappliances 3.5 General model formasstransfer 3.6 Masstransfer in technicalseparationprocesses 3.6.1 Over all masstransfercoefficientformasstransfer in technicalappliances 3.6.2 Simple masstransferproblemsfromprocessengineering 0/7 – 01.2012
