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2023 R2 - Fluids - Highlights (What's New)

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27 ©2023 ANSYS, Inc. / Confidential DBNS Solver and High-Speed Flow Applications • Two-Temperature Model: you can now account for weak Ionization for improved solution fidelity at hypersonic speeds - At very high-speed, plasma starts to form around hypersonic vehicle - Crucial for predicting communication blackout or degradation • Built-In Gupta transport properties for one- Temperature model (Beta) - To improve solution prediction at lower hypersonic speed when one-Temperature model is used - Gupta curve fit used for Thermal conductivity and Viscosity (previously using kinetic theory) Electron number density Temperature-ve NASA X-37 with Two- Temperature Model M=19.36 Alt= 65 Km AoA=40 deg. Two-Temp Air-11-park93

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