Andreas Wierschem

Prof. Dr. habil. Andreas Wierschem

Professur für Hochdruckthermofluiddynamik und Rheologie

Department of Chemical and Biological Engineering
Chair of Fluid Mechanics

Room: Room 0.222
Cauerstr. 4
91058 Erlangen

Rheologie/Rheometrie

Title Rheologie/Rheometrie
Short text RHEO VO
Module frequency nur im Wintersemester
Semester hours per week 2

ECTS-Credits: 7,5 einschließlich Praktikum

Rheology studies material deformation und flow properties. It mainly focusses on material behavior of complex matter. This includes practically all materials of biologic origin like cells, tissue, body fluids, biopolymers and proteins but also most of the chemical systems like, in general, polymer melts and solutions, suspensions, emulsions, foams or gels. This knowledge and the required measurement techniques are of major importance in developing engineering solutions. This includes the determination of rheological properties of new materials but also of biological systems, their changes due to diseases or due to medical treatment. It is indispensable for the proper design of process plants (e.g. pressure loss, stirrer and pump selection, load limits of cells e.g. in 3D printing and bioreactors, etc.), process control (e.g. in printing, coating, varnishing, spraying, extrusion, labeling) as well as for meeting quality standards of the product (food, cosmetics, detergents, etc.).
The course Rheology/Rheometry deals with the primary flow and deformation properties during steady and time dependent stress. Besides empirical constitutive equations, the influence of the microstructure on the rheological behavior is presented. Techniques for measuring the material behavior (rheometrical, online-, inline-viscometers, rheo-optical) and the impact of typical measurement errors, their avoidance or correction are described.
Exercises complete the lecture. Students are instructed to apply their knowledge to rheological problems und to develop appropriate solutions. There exists the possibility to acquaint oneself with rheological measurement devices and methods in a practical course. null

1. Parallelgruppe

Literature references: - C. W. Macosko: Rheology - Principles, Measurement and Application, Wiley-VCH (1994)

- F. A. Morrison: Understanding Rheology, Oxford Univ. Press (2001)
- J. F. Steffe: Rheological Methods in Food Process Engineering, Freeman (1996)
- T. G. Mezger: Das Rheologie Handbuch, 5th ed., Vincentz (2016)
- H. A. Barnes, J. F. Hutton, K. Walters: An Introduction to Rheology, Elsevier (1989)

- R. G. Larson: The Structure and Rheology of Complex Fluids, Oxford (1999)

- T. F. Tadros: Rheology of Dispersions, Wiley-VCH (2011)

- T. A. Witten: Structured fluids, Oxford (2010)
- P. Coussot: Rheometry of Pastes, Suspensions, and Granular Materials, Wiley (2005)

- M. Pahl, W. Gleißle, H.-M, Laun: Praktische Rheologie der Kunststoffe und Elastomere, 4. Auflage, VDI-Verlag (1995)

- D. Weipert, H.-D. Tscheuschner, E. Windhab: Rheologie der Lebensmittel, Behr‘s Verlag (1993)
- M. A. Rao: Rheology of fluid and semisolid foods, 3rd ed., Springer (2013)

- J. W. Goodwin, R. W. Hughes: Rheology for Chemists, RSC Publishing (2008)

- D. Lerche, R. Miller, M. Schäffler: Dispersionseigenschaften, 2D-Rheologie, 3D-Rheologie, Stabilität (2015)

- G. G. Fuller: Optical Rheometry of Complex Fluids, Oxford Univ. Press (1995)

Link to Campo

Date and Time Start date - End date Cancellation date Lecturer(s) Comment Room
wöchentlich Mon, 12:15 - 13:45 14.10.2024 - 03.02.2025 30.12.2024
23.12.2024
06.01.2025
  • Prof. Dr. Andreas Wierschem
mündl., 30 min 12104.01.411
Einzeltermin Mon, 12:15 - 13:45 28.10.2024 - 28.10.2024 11901.00.240

Strömungsmechanik II (Vertiefung)

Title Strömungsmechanik II (Vertiefung)
Short text STM II V
Module frequency nur im Wintersemester
Semester hours per week 3

The lecture is an advanced course in fluid mechanics. Dimensional analysis and similarity are introduced as basic tools in fluid mechanics. Using dimensional analysis, areas of fluid mechanics that are of rather general importance in engineering are presented. These cover creeping and time dependent flows as well as potential and boundary-layer flows and turbulent and compressible flows.
Exercises complete the lecture. Students are instructed to analyze, evaluate and finally solve fluid mechanical problems. null

1. Parallelgruppe

Literature references: - J. H. Spurk, N. Aksel: Strömungslehre: Einführung in die Theorie der Strömungen, 8. Auflage, Springer-Verlag Berlin, Heidelberg, New York, 2010
- F. Durst, Grundlagen der Strömungsmechanik - Eine Einführung in die Theorie der Strömungen in Fluiden, Springer, 2006
- P. K. Kundu, Fluid Mechanics, 5th Ed., Academic Press, 2012
- F. M. White, Fluid Mechanics, 7th Rev. Ed., McGraw Hill, 2011 null

Link to Campo

Date and Time Start date - End date Cancellation date Lecturer(s) Comment Room
wöchentlich Tue, 12:15 - 13:45 15.10.2024 - 04.02.2025 24.12.2024
31.12.2024
  • Prof. Dr. Andreas Wierschem
12104.01.421

Anleitung zu wissenschaftlichen Arbeiten

Title Anleitung zu wissenschaftlichen Arbeiten
Module frequency in jedem Semester
Semester hours per week 4

1. Parallelgruppe

Date and Time Start date - End date Cancellation date Lecturer(s) Comment Room
nach Vereinbarung - -
  • Prof. Dr. Andreas Wierschem

Rheologie/Rheometrie - Übung

Title Rheologie/Rheometrie - Übung
Short text RHEO UE
Module frequency nur im Wintersemester
Semester hours per week 1

Hier wird den Studierenden die Gelegenheit gegeben nachzuweisen, daß
sie den Vorlesungsstoff nicht nur verstanden, sondern auch auf
andere Methoden anwenden könnnen.

1. Parallelgruppe

Date and Time Start date - End date Cancellation date Lecturer(s) Comment Room
wöchentlich Mon, 16:15 - 17:45 21.10.2024 - 03.02.2025 06.01.2025
30.12.2024
23.12.2024
  • Prof. Dr. Andreas Wierschem
12104.01.411

Strömungsmechanik II (Vertiefung) - Übung

Title Strömungsmechanik II (Vertiefung) - Übung
Short text STM II UE
Module frequency nur im Wintersemester
Semester hours per week 1

ACHTUNG! Die erste Übung findet am 24.10.22 statt!

1. Parallelgruppe

Date and Time Start date - End date Cancellation date Lecturer(s) Comment Room
wöchentlich Fri, 14:15 - 15:45 18.10.2024 - 07.02.2025 03.01.2025
27.12.2024
20.12.2024
01.11.2024
  • Aliena Bösl
  • Prof. Dr. Andreas Wierschem
12104.01.421

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