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Engineering Commons

Open Access. Powered by Scholars. Published by Universities.®

2019

Aerospace Engineering

Washington University in St. Louis

CFD Fluent jet impingement

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Computation Of Flow Fields Due To Single- And Twin-Jet Impingement, Xiang Zhang May 2019

Computation Of Flow Fields Due To Single- And Twin-Jet Impingement, Xiang Zhang

McKelvey School of Engineering Theses & Dissertations

The thesis consists of two parts. The first part focuses on numerical simulations and their comparison with experimental data for single-jet impingement on ground. Angles between the axisymmetric jet and impingement surface considered are 15, 30 and 90 degree. It is shown that both the k-epsilon and Wray-Agarwal (WA) model can predict the flow fields in good agreement with the experimental results. The second part extends the first part to twin-jet normal impingement on the ground. It focuses on numerical simulation of fountains formed by the twin-jet impingement. The fountains can be normal straight upward when the two jets are …