## Thomas Rösgen: Catalogue data in Autumn Semester 2017 |

Name | Prof. em. Dr. Thomas Rösgen |

Field | Strömungslehre |

Address | Institut für Fluiddynamik ETH Zürich, ML H 33 Sonneggstrasse 3 8092 Zürich SWITZERLAND |

Telephone | +41 44 632 26 46 |

roesgen@ifd.mavt.ethz.ch | |

Department | Mechanical and Process Engineering |

Relationship | Professor emeritus |

Number | Title | ECTS | Hours | Lecturers | |
---|---|---|---|---|---|

151-0105-00L | Quantitative Flow Visualization | 4 credits | 2V + 1U | T. Rösgen | |

Abstract | The course provides an introduction to digital image analysis in modern flow diagnostics. Different techniques which are discussed include image velocimetry, laser induced fluorescence, liquid crystal thermography and interferometry. The physical foundations and measurement configurations are explained. Image analysis algorithms are presented in detail and programmed during the exercises. | ||||

Objective | Introduction to modern imaging techniques and post processing algorithms with special emphasis on flow analysis and visualization. Understanding of hardware and software requirements and solutions. Development of basic programming skills for (generic) imaging applications. | ||||

Content | Fundamentals of optics, flow visualization and electronic image acquisition. Frequently used mage processing techniques (filtering, correlation processing, FFTs, color space transforms). Image Velocimetry (tracking, pattern matching, Doppler imaging). Surface pressure and temperature measurements (fluorescent paints, liquid crystal imaging, infrared thermography). Laser induced fluorescence. (Digital) Schlieren techniques, phase contrast imaging, interferometry, phase unwrapping. Wall shear and heat transfer measurements. Pattern recognition and feature extraction, proper orthogonal decomposition. | ||||

Lecture notes | available | ||||

Prerequisites / Notice | Prerequisites: Fluiddynamics I, Numerical Mathematics, programming skills. Language: German on request. | ||||

151-0111-00L | Research Seminar in Fluid Dynamics Internal research seminar for graduate students and scientific staffs of the IFD | 0 credits | 2S | P. Jenny, T. Rösgen | |

Abstract | Current research projects at the Institute of Fluid Dynamics are presented and discussed. | ||||

Objective | Exchange on current internal research projects. Training of presentation skills. | ||||

151-0122-AAL | Fluid Dynamics for CSEEnrolment ONLY for MSc students with a decree declaring this course unit as an additional admission requirement. Any other students (e.g. incoming exchange students, doctoral students) CANNOT enrol for this course unit. | 5 credits | 11R | T. Rösgen | |

Abstract | An introduction to the physical and mathematical foundations of fluid dynamics is given. Topics include dimensional analysis, integral and differential conservation laws, inviscid and viscous flows, Navier-Stokes equations, boundary layers, turbulent pipe flow. Elementary solutions and examples are presented. | ||||

Objective | An introduction to the physical and mathematical principles of fluid dynamics. Fundamental terminology/principles and their application to simple problems. | ||||

Content | Phänomene, Anwendungen, Grundfragen Dimensionsanalyse und Ähnlichkeit; Kinematische Beschreibung; Erhaltungssätze (Masse, Impuls, Energie), integrale und differentielle Formulierungen; Reibungsfreie Strömungen: Euler-Gleichungen, Stromfadentheorie, Satz von Bernoulli; Reibungsbehaftete Strömungen: Navier-Stokes-Gleichungen; Grenzschichten; Turbulenz | ||||

Lecture notes | Eine erweiterte Formelsammlung zur Vorlesung wird elektronisch zur Verfügung gestellt. | ||||

Literature | Empfohlenes Buch: Fluid Mechanics, P. Kundu & I. Cohen, Elsevier | ||||

Prerequisites / Notice | Performance Assessment: session examination Allowed aids: Textbook (free selection, list of assignments), list of formulars IFD, 8 Sheets (=4 Pages) own notes, calculator | ||||

151-0123-00L | Experimental Methods for Engineers | 4 credits | 2V + 2U | T. Rösgen, K. Boulouchos, D. J. Norris, H.‑M. Prasser | |

Abstract | The course presents an overview of measurement tasks in engineering environments. Different concepts for the acquisition and processing of typical measurement quantities are introduced. Following an initial in-class introduction, laboratory exercises from different application areas (especially in thermofluidics and process engineering) are attended by students in small groups. | ||||

Objective | Introduction to various aspects of measurement techniques, with particular emphasis on thermo-fluidic applications. Understanding of various sensing technologies and analysis procedures. Exposure to typical experiments, diagnostics hardware, data acquisition and processing. Study of applications in the laboratory. Fundamentals of scientific documentation & reporting. | ||||

Content | In-class introduction to representative measurement techniques in the research areas of the participating institutes (fluid dynamics, energy technology, process engineering) Student participation in 8-10 laboratory experiments (study groups of 3-5 students, dependent on the number of course participants and available experiments) Lab reports for all attended experiments have to be submitted by the study groups. A final exam evaluates the acquired knowledge individually. | ||||

Lecture notes | Presentations, handouts and instructions are provided for each experiment. | ||||

Literature | Holman, J.P. "Experimental Methods for Engineers", McGraw-Hill 2001, ISBN 0-07-366055-8 Morris, A.S. & Langari, R. "Measurement and Instrumentation", Elsevier 2011, ISBN 0-12-381960-4 Eckelmann, H. "Einführung in die Strömungsmesstechnik", Teubner 1997, ISBN 3-519-02379-2 | ||||

Prerequisites / Notice | Basic understanding in the following areas: - fluid mechanics, thermodynamics, heat and mass transfer - electrical engineering / electronics - numerical data analysis and processing (e.g. using MATLAB) | ||||

151-1053-00L | Thermo- and Fluid Dynamics | 0 credits | 2K | P. Jenny, R. S. Abhari, K. Boulouchos, C. Müller, H. G. Park, D. Poulikakos, H.‑M. Prasser, T. Rösgen | |

Abstract | Current advanced research activities in the areas of thermo- and fluid dynamics are presented and discussed, mostly by external speakers. | ||||

Objective | Knowledge of advanced research in the areas of thermo- and fluid dynamics | ||||

401-5950-00L | Seminar in Fluid Dynamics for CSE | 4 credits | 2S | P. Jenny, T. Rösgen | |

Abstract | Enlarged knowledge and practical abilities in fundamentals and applications of Computational Fluid Dynamics | ||||

Objective | Enlarged knowledge and practical abilities in fundamentals and applications of Computational Fluid Dynamics | ||||

Prerequisites / Notice | Contact Prof. P. Jenny or Prof. T. Rösgen before the beginning of the semester |