Transition Prediction for Flow Over a MAV Wing Using the Correlation Based Model

Subrahmanya, MB and Rajani, BN (2021) Transition Prediction for Flow Over a MAV Wing Using the Correlation Based Model. In: Design and Development of Aerospace Vehicles and Propulsion Systems.

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In this work, a low aspect ratio MAV fixed wing at a relatively low Reynolds number wherein the flow undergoes transition is analysed. The effectiveness of the correlation based transition model γ-Reθ SST proposed by Menter and Langtry (Correlation based transition modeling for unstuctured parallelized computational fluid dynamics codes. AIAA J 47:2894–2906 [7]) is brought out by making vis-a-vis comparison with the pure turbulence model SST (Turbulence, heat and mass transfer vol 4. Begell House Inc., pp 625–626 [6]). The transition model is able to handle separated flow transition and gives more insight to flow than the turbulence model. Some of the results depicting the transitional flows are presented and the superiority of the transitional model over the pure turbulence model is demonstrated.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: γ-Reθ SST Transition model, Low Re, Laminar separation bubble, Transition onset, Pressure based finite volume method
Subjects: AERONAUTICS > Aircraft Design, Testing & Performance
AERONAUTICS > Avionics & Aircraft Instrumentation
AERONAUTICS > Aircraft Propulsion and Power
ENGINEERING > Fluid Mechanics and Thermodynamics
Depositing User: Smt Bhagya Rekha KA
Date Deposited: 11 Nov 2022 15:31
Last Modified: 11 Nov 2022 15:31

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