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Job Record #15472
TitlePhD/Postdoc in CFD of Reacting Flows
CategoryPhD Studentship
EmployerUniversity of Stuttgart
LocationGermany, Stuttgart
InternationalYes, international applications are welcome
Closure DateFriday, December 07, 2018
Detailed simulations of pulverised coal combustion and gasification:

Pulverised coal combustion (PCC) is the world’s major source of primary energy for generating electrical base 
load power. The development of new, cleaner coal burners and gasifiers requires a detailed understanding of 
the underlying physical and chemical processes. Such insights could be gained from experiments, but poor 
optical access makes it difficult to take accurate non-intrusive measurements, whereas intrusive probes may 
strongly affect the flow, mixing, radiation and flame stabilisation. An alternative source of detailed insight into 
coal combustion and gasification is the numerical simulation. Unfortunately, current state-of-the art 
simulation techniques fail to capture the inherently non-linear transient turbulent processes critical for the 
behaviour of a pulverised coal burner or gasifier. These processes are captured by advanced simulation 
approaches like Large Eddy Simulation (LES) and Direct Numerical Simulation (DNS), but applicability of 
these simulation tools requires an efficient, reduced description of the chemical kinetics and their 
interactions with turbulence. 

Project Summary:
The project is a joint project of research groups at Darmstadt, Duisburg and Stuttgart. The project in 
Stuttgart involves direct numerical simulations of coal particles in a turbulent flow. The simulations shall 
include the heat-up, devolatilization, homogeneous and heterogeneous combustion of the particles, with a 
specific focus on pollutant precursors under conditions relevant for exhaust gas recirculation. The DNS will 
generate a database that can be exploited for the development of simplified combustion models (flamelets). 
The latter will be used for LES computations of realistic coal burners. The tasks will involve programming in 
highly object-oriented C++.

Applications are invited for a Research Assistant/Associate position in the field of fluid dynamics, combustion 
and/or process/chemical engineering. Research assistants may register for a Ph.D.

You will be an enthusiastic and self-motivated person with a solid background in engineering mathematics, 
computational fluid dynamics and programming. Enthusiasm for computational projects is essential. A very 
good first MSc, MEng or equivalent degree in Mechanical Engineering, Chemical Engineering, Physics, 
Mathematics or any related subject is required. For applications at postdoctoral level, a PhD degree on a 
relevant topic, extensive experience in e.g. numerical techniques (such as the implementation in the context 
of Direct Numerical Simulation and/or Large-Eddy Simulation) and a proven track record in the field of fluid 
flow modelling or modelling of two-phase flows are expected. The ability to contribute to fundamental 
research will have been demonstrated.

The pay scale is according to TVL-E13. The grade and therefore the final salary will depend on your relevant 

We offer excellent potential for scientific development in the Institute for Combustion Technology (ITV) at the 
University of Stuttgart with state-of-the-art computer facilities and access to the University’s 
supercomputing centre. The Institute’s scientific language is English, but willingness and enthusiasm to study 
German is expected. 

Please send an up-to-date CV and copies of all transcripts of your degree(s) to Prof. A. Kronenburg. 
Electronic applications are welcome. 
Prof. Andreas Kronenburg
Institute for Technical Combustion
University of Stuttgart
Herdweg 51
70174 Stuttgart


Contact Information:
Please mention the CFD Jobs Database, record #15472 when responding to this ad.
NameA. Kronenburg
Email ApplicationYes
Record Data:
Last Modified09:50:55, Friday, November 16, 2018

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