Passive flow control for the E423 airfoil utilizing an equilateral triangular trip
S Rahmani, ZJ Wang - Physics of Fluids, 2023 - pubs.aip.org
A passive flow control technique of utilizing an equilateral triangular trip close to the leading
edge was developed and tested for a micro-scale Eppler E423 airfoil at a Reynolds number
based on the chord of 40 000. The analysis was carried out via high-order wall-resolved
large eddy simulation using the computational solver HpMusic. Angles of attack of 5 and 20
were tested. It was shown that at an angle of attack of 5, the trip height of two times the local
boundary layer thickness outperformed existing passive flow control techniques from the …
edge was developed and tested for a micro-scale Eppler E423 airfoil at a Reynolds number
based on the chord of 40 000. The analysis was carried out via high-order wall-resolved
large eddy simulation using the computational solver HpMusic. Angles of attack of 5 and 20
were tested. It was shown that at an angle of attack of 5, the trip height of two times the local
boundary layer thickness outperformed existing passive flow control techniques from the …
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