A numerical simulation of the NFAC (National Full-scale AerodynamicsComplex) open-return wind tunnel inlet flow | Zendy

Upender K. Kaul | Zendy; John Ross | Zendy; J. L. Jacocks | Zendy

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A numerical simulation of the NFAC (National Full-scale AerodynamicsComplex) open-return wind tunnel inlet flow

Author(s) -

Upender K. Kaul,

John Ross,

J. L. Jacocks

Publication year - 1985

Publication title -

23rd aerospace sciences meeting

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.1985-437

Subject(s) - inlet , wind tunnel , marine engineering , scale (ratio) , flow (mathematics) , return flow , computer simulation , environmental science , meteorology , mechanics , computer science , aerospace engineering , geology , simulation , engineering , physics , geomorphology , quantum mechanics

The flow into an open return wind tunnel inlet was simulated using Euler equations. An explicit predictor-corrector method was employed to solve the system. The calculation is time-accurate and was performed to achieve a steady-state solution. The predictions are in reasonable agreement with the experimental data. Wall pressures are accurately predicted except in a region of recirculating flow. Flow-field surveys agree qualitatively with laser velocimeter measurements. The method can be used in the design process for open return wind tunnels.

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