Research
Flow simulation (CFD)
In short, flow simulation tries to find solutions with simulative work instead of constructing a complex prototype. We use the Navier-Stokes-Equations for mathematic-physical descriptions because it applies to all forms of flow. Questions about aerodynamics of Wind-Turbines are our focus area.
An overview of recent work on fluid mechanics especially in the fields of Turbomachines and Biomedical-Engineering are described here.
Recent Projects
- Thick aerodynamic profiles
- Explanation of aerodynamic lifting
- Transition on WT rotors
- Baltic Thunder (since 2007)
- Aerodynamic glove (since 2004)
- eek sh (precursor CEwind since 2003)
- participation in IEAwind Tasks: XI, XX, 29 und 43 (since 1997)
a) design of wind turbine rotors beyond 5 MW
b) measurement of the rotating boundary layer of the rotating blade of MM92 of the UAS Flensburg with an aerodynamic glove in Eggebek
c) older projects
- BMFT joint project ‘turbulences and their meaning for wind energy’
- Aerodynamics and aeroelastic of unconventional wind turbines
- Darrieus rotors
- Examination of the aerodynamic frequent turbulence at the offshore research platform FINO3
- DEWI Round Robin Experiment: Flow simulation
- Optimisation of 1,5 MW rotors (together with the Deutsche WindGuard GmbH)
- Development and test of a new senor (ALCA)
- Optimal criteria for the aerodynamic design of WT rotors
(since 1979 - mostly wihth LINPACK)
Name | Mflops | year | remark |
Sperry UNIVAC 1100/80 ? | ~ 0,4 | 1979 - 1986 | |
PTP 11 | ~ 0,06 | 1979 | |
VAX 11-730 | < 1 | < 1980 | |
DEC alpha | ~ 10 (100 ?) | 1988 | |
Atlas MPR | < 0,1 ? | 1987/1988 | 0,5 MIPS |
Intel 386 | 0,5 | ca. 1985 | 5 - 8 MIPS |
Intel 486 66 MHz | 1,0 | ca. 1990 | |
Pentium 133 | 3,6 | ||
P Pro 200 | 6,6 | ||
P2 / 500 | 34,0 | ||
SGI O2 R5k | 8,0 | 1995 | |
SGI Indigo² R8k | 6,5 | 1996 | |
SGI O200 R10k | 2 x 14 | 1998 | |
AMD 1200 | 70,0 | 2001 | |
Intel 4-Core Quad 2.7 GHz | 700,0 | 2012 | |
HTC One smartphone | 150,0 | 2014 | |
Intel i3 4160 | 495 | 2018 | |
HLRN - Emmy | 6 M | 2021 | TOP 500: rank 47 |
iphone 12.8 D79ap / 6 cores | 19 k | 2020 |