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[CFD] Pressure-Inlet Boundary Conditions

A summary of 'pressure-inlet' boundary conditions which are used in CFD, particularly for compressible flows and buoyancy driven / natural convection flows. The following topics are covered: 1) 6:06 When are pressure-inlets used instead of velocity-inlets? 2) 12:20 How do incompressible pressure-inlets work? 3) 15:00 How do subsonic (Mach Number less than 1) pressure-inlets work? 4) 18:56 How do supersonic (Mach Number greater than 1) pressure-inlets work 5) 21:04 What values do I need to enter for an ANSYS Fluent pressure-inlet? ================================== The following reference may be useful: 1) ANSYS Fluent User Manual 7.3.3 Pressure Inlet Boundaries https://www.afs.enea.it/project/neptu... ============================================ Want to learn more? ============================================ Grab a copy of my CFD Fundamentals Course (for beginners): https://www.udemy.com/course/computat... Learn how to write your own CFD code in MATLAB and python (for intermediates): https://dr-aidan-wimshurst-s-school.t... Learn how I draw my figures and diagrams in Inkscape (for everyone): https://dr-aidan-wimshurst-s-school.t... ============================================ Did you like the video? ============================================ Download the lecture slides from my website: https://www.fluidmechanics101.com/pag... Buy me a coffee to say thanks: https://www.buymeacoffee.com/NKEZrhvg0 Support the channel on Patreon (and get useful extras for your CFD studies):   / fluidmechanics101   ============================================ Donations: ============================================ 1) PayPal https://www.paypal.me/fluidmechanics101 ================================== Disclaimer ================================== The methods, algorithms, equations, formulae, diagrams and explanations in this talk are for educational and demonstrative purposes only. They should never be used to analyse, design, accredit or validate real scientific / engineering / mathematical structures and flow systems. For such applications, appropriate trained, qualified and accredited (SQEP) engineers / scientists should be consulted along with the appropriate documentation, procedures and engineering standards. Furthermore, the information contained within this talk has not been verified, peer reviewed or checked in any way and is likely to contain several errors. It is therefore not appropriate to use this talk itself (or any of the algorithms, equations, formulae, diagrams and explanations contained within this talk) as an academic or technical reference. The reader should consult the original references and follow the verification and validation processes adopted by your company / institution when carrying out engineering calculations and analyses. Fluid Mechanics 101 and Dr. Aidan Wimshurst are not accountable or liable in any form for the use or misuse of the information contained in this talk beyond the specific educational and demonstrative purposes for which it was intended.