Lectures

Thermodynamics (3VL/ 1Ü/ 1S) (Bachelor)

Contact: Dipl.-Ing. Martin Buchholz

Contents:

• Basic concepts of thermodynamics
• Balances and conservation laws
• Thermodynamic relations
• Fundamental equations and equations of state
• Heat and work interactions
• Basic thermodynamic state changes and processes
• Equilibrium criteria
• Working capacity and exergy
• Ideal gas
• Properties of real substances
• Thermodynamic processes
• Moist air processes

Thermodynamics of mixtures (2VL/ 2Ü) (Master)

Conctact: Priv.-Doz. Dr.-Ing. Gabriele Raabe

Contents:

• Introduction: extension of the basic laws and principles of thermodynamics to mixtures
• Equations of state and the chemical potential
• Euler equation and Gibbs-Duhem relation
• Gibbs phase rule and phase diagrams
• Thermophysical properties of real mixtures
• Modelling of excess properties
• Conditions of thermodynamic equilibrium and stability
• Calculation of phase equilibria, differential equation of state for phase boundaries
• Thermodynamics of chemical reactions and combustion

Heat and nass transfer (2VL/ 2Ü/ 1S) (Bachelor)

Contact: Dipl.-Ing. Martin Buchholz

Contents:

• Heat exchangers
• Steady-state and transient heat conduction
• Convective heat transfer with/without phase change
• Radiation of black/real bodies
• Mass diffusion

Thermodynamics and Statistics (2VL/ 2Ü) (Master)

Contact: M.Sc Daniel Domin

Contents:

• Deductive reasoning based on basic thermodynamic laws
• Basics; thermodynamic systems
• Extensive and intensive properties
• Pprocess variables
• Balances and conservation laws
• Mass balance; momentum balance; energy balance; total energy; kinetic energy; internal energy
• Gibbs relation; entropy balance
• Thermodynamic relations
• Euler equation; Gibbs-Duhem relation; Maxwell relations
• Fundamental equations and equations of state; thermal and caloric equation of state;
• Heat capacity; Heat and work interactions; isobaric, isochoric, isothermal, isentropic, polytropic changes of state
• The Carnot cycle
• Equilibrium criteria
• Ideal Gas; Properties of Real Substances
• Statistical Thermodynamics
• Foundations
• Applications

Object-oriented simulation methods in thermo- and fluid dynamics (2VL/ 2Ü) (Master)

Contact: M.Sc. Andreas Schulte

Contents:

• Introduction to the programming language Python
• Programming of application-oriented models of thermal energy systems (e.g. thermal solar system) as well as the necessary numerical solution methods for ordinary differential equations
• Algebraic equations and event indicators
• Development of graphical user interfaces (e.g. with PyQt) and
  introduction to the FMI standard. Use of numerous Python libraries for mathematical operations and visualization.

Molecular simulation (2VL/ 2Ü) (Master)

Contact: Priv.-Doz. Dr.-Ing. Gabriele Raabe

Contents:

• Fundamental concepts of statistical thermodynamics: ensembles, partition functions, partition function of the ideal gas,
  Maxwell-Boltzmann distribution of velocities;
• Monte Carlo Simulation: Inportance Sampling, simulations in different ensembles, algorithms for phase equilibria
  simulations, biased sampling;
• Molecular dynamics: finite- difference methods, computation of transport properties, simulations in different ensembles,
  thermostats and barostats, simulation of molecules;
• Molecular models: intra- and intermolecular interactions and their description, different force field approaches;
• Simulation technics: setting up, periodic boundary conditions, neighbour lists, Ewald summation, running and analysing
  molecular simulations

Laboratory for the lecture Molecular Simulation (2L) (Master)

Contact: Priv.-Doz. Dr.-Ing. Gabriele Raabe

Contents:

Performing independently molecular simulation studies, setting up and running simulations using
different force fields, analysis and interpretation of simulation results

Molecular Modeling and Simulation of Biological and Pharmaceutical Systems (for Bioengineering, Chemical Engineering, and Pharmaceutical Engineering).

Contact: Priv.-Doz. Dr.-Ing. Gabriele Raabe

Contents:

• Fundamental concepts of statistical thermodynamics:
• Introduction to Molecular dynamics
• Force field models for biological and pharmaceutical systems; Coarse Graining approaches
• Simulation techniques, running and analysing molecular simulations, use of simulation and visualisation tools
• Free energy methods and their applications: solubility, conformational changes, ligand binding etc.

Sustainable (waste-) heat utilization (2VL/ 1Ü) (Master)

Ansprechperson: Dr.-Ing. Nicholas Lemke

Inhalt:

• Fundamentals of technical thermodynamics: balancing, process variables, exergy, cyclic processes, heat transfer.

• Classification of different waste heat sources: Industry, transport, natural sources

• Heat insulation, storage and transport: sensible, latent & thermo-chemical heat storage, district heating, heat pipes

• Processes and methods for heat recovery: heat pumps, organic Rankine cycle, Kalina process, Stirling process, Joule process, thermoelectrics, absorption & adsorption refrigeration, sorption-based air conditioning

• Systems and operating strategies: exergetic analysis & optimization

  Translated with www.DeepL.com/Translator (free version)

Vehicle air conditioning (2VL/ 1Ü) (Master)

Conctact: Dr.-Ing. Nicholas Lemke, M.Sc. Jakob Trägner

Contents:

• Thermal Comfort
• Air Quality
• Safety Aspects
• Ventilation and Air Conditioning
• Cooling Circuit, Refrigerant Circuit
• Refrigerants
• Components, Green House Effect, Alternative Refrigerants and Air Conditioning Systems
• CO2 as Refrigerant
• Advanced Refrigeration Technologies
• Applications

Laboratory for the lecture vehicle air conditioning (2L) (Master)

Contact: M.Sc. Jakob Trägner

Contents:

The lab offers a laboratory practical course with 3 experiments to the lecture:

• Operation of a passenger car air conditioning system
• Demonstration of the critical point of pure substances
• Investigation of a cold vapor process

Laboratory on the interdisciplinary research module battery (Master)

Contact: M.Sc. Jan Friedrich Hellmuth

Contents:

• Electrical and thermal modeling of battery cells and modules on system level in the modeling language Modelica
• Investigation and evaluation of different cooling strategies for use in electrified vehicles