How to calculate pressure drop in ANSYS FLUENT | Comparison with Darcy Weisbach Equation | Tutorial
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- เผยแพร่เมื่อ 19 พ.ย. 2023
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Welcome to our ANSYS Fluent tutorial where we clearly explain the pressure drop analysis. In this tutorial, we compare Computational Fluid Dynamics (CFD) results with the renowned Darcy-Weisbach and Hagen-Poiseuille equations. Whether you're a seasoned engineer or a curious learner, join us as we explore the nuances of 2D laminar and axisymmetric simulations, providing a step-by-step guide for a comprehensive understanding.
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Introduction to Pressure Drop Analysis: Understand the significance and applications of pressure drop analysis in engineering and fluid dynamics.
Comparison of CFD with Darcy-Weisbach Equation: Explore how ANSYS Fluent handles pressure drop calculations and compare the results with the classical Darcy-Weisbach equation.
Hagen-Poiseuille Equation Demystified: Delve into the theoretical foundation of the Hagen-Poiseuille equation and contrast it with CFD simulations.
Step-by-Step Guide for 2D Laminar and Axisymmetric Simulations: Follow along as we break down the process into manageable steps, making it accessible for both beginners and experienced users.
Validation with Mathematical Rigor: Witness the validation of our CFD results using mathematical techniques, ensuring the accuracy and reliability of the simulations.
Real-world Applications: Understand how the knowledge gained from this tutorial can be applied to real-world scenarios and engineering problems.
📚 Learn, Apply, Excel:
Whether you're a student, researcher, or industry professional, this ANSYS Fluent tutorial equips you with the skills and insights needed to master pressure drop analysis. Stay tuned for a journey through fluid dynamics where theory meets practical application!
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Beautiful presentation. Straight to the point. No nonsense.
Thank you for your appreciation
Sir, thank you. Very clear and easy to follow with an example that was also well structured and simple.
Glad it was helpful!
Beautiful explannation sir tysm strainght to the point
You're most welcome
what is now instead os surface integrasl in latest ansys
Surface integrals are a common technical outcome in all CFD solvers. This video is created using the most recent version of ANSYS, specifically version 2023.
tHANK YOU SIR.. pressure at inlet is 7.74, at outlet 0 net is 3.87. How this net is 3.87 I did not understand it. Please can you explain?
Great question... In our simulation, average pressures were reported at both the inlet and outlet boundaries. At the inlet, the pressure was recorded as 7.74 units, and at the outlet, it was reported as 0 units. Since Fluent does not inherently understand the specific context of our simulation (such as simulating pipe flow) or the intended purpose of the analysis, it calculates the net value as the average of these two reported pressures.
Can tell me the "methods" used
I hope all the methods and details are included in the video. Can you please elaborate on what you mean?
You are using thé static Pressure
I think it should to use the total pressure to calculateur Pressure drop
In situations where the velocity remains constant (as in a steady, uniform flow in a pipe with no changes in diameter or elevation), the dynamic pressure component (1/2 ρv^2) may not contribute to the overall pressure drop, and only static pressure changes need to be considered. The dynamic pressure term becomes irrelevant when velocity remains constant.
Let's say you have some pressure losses due to the fittings of the pipe and height. How do you find out the pressure drop due to friction, fittings and the height separately?