Match!
Feichi Zhang
Karlsruhe Institute of Technology
39Publications
5H-index
79Citations
Publications 39
Newest
#1Feichi Zhang (KIT: Karlsruhe Institute of Technology)H-Index: 5
#2Thorsten Zirwes (KIT: Karlsruhe Institute of Technology)H-Index: 3
Last.D. Trimis (KIT: Karlsruhe Institute of Technology)H-Index: 22
view all 6 authors...
ABSTRACTThis work presents a numerical study of the initial turbulent flow characteristics prior to ignition in a fan-stirred combustion vessel. The moving mesh methodology has been applied to acco...
#1Feichi Zhang (KIT: Karlsruhe Institute of Technology)H-Index: 5
#2Thorsten Zirwes (KIT: Karlsruhe Institute of Technology)H-Index: 3
Last.Christian Oliver Paschereit (Technical University of Berlin)H-Index: 29
view all 7 authors...
#1Konrad Pausch (RWTH Aachen University)H-Index: 2
#2Sohel Sebastian Herff (RWTH Aachen University)H-Index: 1
Last.Wolfgang Schröder (RWTH Aachen University)H-Index: 27
view all 5 authors...
The thermoacoustic sound generation mechanisms of lean premixed laminar and turbulent flames are investigated by a two-step approach. First, the conservation equations of a reacting compressible fluid are solved. This solution is used to determine the acoustic source terms of the acoustic perturbation equations (APE). Second, the contributions of the different source terms to the amplitude and phase of the acoustic pressure signal are analyzed by solving the APE in a computational aeroacoustics ...
#1Thorsten Zirwes (KIT: Karlsruhe Institute of Technology)H-Index: 3
#2Feichi Zhang (KIT: Karlsruhe Institute of Technology)H-Index: 5
Last.Henning Bockhorn (KIT: Karlsruhe Institute of Technology)H-Index: 34
view all 4 authors...
ABSTRACTDetailed numerical simulations have been performed to study the ignition behavior of hot spherical particles at atmospheric conditions. The particles move relative to a combustible gas with a velocity of 0–30 m s, which spans different flow regimes, from creeping flow to unsteady vortex shedding. The temperature of the particles’ surface increases linearly over time and is recorded at ignition for methane/air and hydrogen/air mixtures. For low relative velocities m s or Reynolds numbers ...
#1Thorsten Zirwes (KIT: Karlsruhe Institute of Technology)H-Index: 3
#2Feichi Zhang (KIT: Karlsruhe Institute of Technology)H-Index: 5
Last.D. Trimis (KIT: Karlsruhe Institute of Technology)H-Index: 22
view all 6 authors...
The computation of chemical reaction rates is commonly the performance bottleneck in CFD simulations of turbulent combustion with detailed chemistry. Therefore, an optimization method is used where C++ source code is automatically generated for arbitrary reaction mechanisms. The generated code is highly optimized for the chosen mechanism and contains all routines for computing chemical reaction rates. In this work, the serial performance of the automatically generated source code, which in an ea...
1234