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IOSO coupled with NUMECA application examples in turbomachinery
Dear Colleagues,
IOSO optimization technology has been used in turbomachinery for more than 20 years and applied on real-life objects like aircraft and power engines. Let me offer you some more examples.
First example:
The optimization goal was to improve the compressor efficiency at two flight conditions by optimizing geometry of the 5 compressor rows (62 design parameters). As the analysis tool the well-known commercial software package (FINE/Design3D) is used. As the optimization software IOSO PM (parallel algorithm of IOSO) is used
Object geometry
Typical mesh
In our particular case as a result of optimizing real-life compressor blade geometry parameters we got a 3% improvement in maximum efficiency while satisfying all the constraints! It is considered as a very essential one taking into account that we operate in high-end technical field and optimize real-life objects.
Link to read more: http://www.iosotech.com/files/application/mutistage-compressor-optimization.pdf
Second example:
The goal of the optimization problem was to increase the efficiency of the fan rotor in the designated point of its characteristics, accounting for the splitting of the flow into core and bypass ducts. The specific feature of this problem was the necessity to satisfy the strength constraints (multidisciplinary approach). To solve this problem, a 3-D CFD code and multilevel algorithm of IOSO technology was used. The search for the optimum was carried out in the multi-objective statement (the compromise between the efficiency levels for core and bypass contours was searched).
Geometry of Fan
Typical mesh
The optimization research resulted in the increase of the fan rotor efficiency by more than 1.5%.
Link to read more: http://www.iosotech.com/files/application/Sam146-Efficiency-Fan-Optimization.pdf
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