Heat and Mass Transfer
0/0 – 04.2015
© Prof. Dr.-Ing. H. Bockhorn, Karlsruhe 2014
© Prof. Dr.-Ing. H. Bockhorn, Karlsruhe 2014
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
Heat and Mass Transfer
0/1 – 04.2011
© Prof. Dr.-Ing. H. Bockhorn, Karlsruhe 2014
Course: Heat and Mass Transfer SS 2015
----------------------------------------------------Lectures: Friday 9:45 – 11:15 h
Start:
17. April 2014
Location: International Department, Seminar Room 203
Exercises: Friday 11.30 – 12:15 h
Start:
8. May 2015
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:
14. May 2015
21. May 2015
Oral examinations: By special appointment (July to September)
Heat and Mass Transfer
0/2 – 04-2015
© Prof. Dr.-Ing. H. Bockhorn, Karlsruhe 2014
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
Heat and Mass Transfer
0/3 – 04-2011
© Prof. Dr.-Ing. H. Bockhorn, Karlsruhe 2014
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, Berechnungsblätter für den Wärmeübergang, Springer-Verlag, Berlin Heidelberg New York 2006
Heat and Mass Transfer
0/4 – 01.2012
© Prof. Dr.-Ing. H. Bockhorn, Karlsruhe 2014
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
Heat and Mass Transfer
0/5 – 01.2012
© Prof. Dr.-Ing. H. Bockhorn, Karlsruhe 2014
2.1.3 Stationary heat conduction in planar and non-planar geometries, heat
transfer coefficient
2.1.4 Stationary heat conduction in layered materials, over all heat transfer
coefficient
2.1.5 Examples of stationary heat conduction in engineering
2.2 Non stationary heat conduction
2.2.1 Fourier‘s law of non stationary heat conduction and thermal
conductivity
2.2.2 Solutions of Fourier‘s law of non stationary heat conduction for
different boundary conditions and geometries
2.3 Stationary diffusion
2.3.1 Fick‘s law of stationary diffusion and diffusion coefficients
2.3.2 Mechanisms of diffusion
2.4 Non-stationary diffusion
2.4.1 Fick‘s law of non-stationary diffusion
2.4.2 Solutions of Fick‘s law for non-stationary diffusion
2.5 Similarity of heat and mass transfer
2.6 Examples for stationary diffusion problems from process engineering
Heat and Mass Transfer
0/6 – 01.2012
© Prof. Dr.-Ing. H. Bockhorn, Karlsruhe 2014
3. Macroscopic transport processes: Heat and mass transfer in presence of convection
3.1 Heat transfer in technical appliances
3.2 General model for heat transfer
3.3 Heat transfer in technical heat exchangers
3.3.1 Over all heat transfer coefficient
3.3.2 Simple heat transfer problems from process engineering
3.4 Mass transfer in technical appliances
3.5 General model for mass transfer
3.6 Mass transfer in technical separation processes
3.6.1 Over all mass transfer coefficient for mass transfer in technical
appliances
3.6.2 Simple mass transfer problems from process engineering
Heat and Mass Transfer
0/7 – 01.2012