Published in:

2023 | OriginalPaper | Chapter

8. Turbulent Kinetic Energy Analysis in 2D Lid-Driven Cavity Flow at Re = 100,000

Authors : Maicon Vinicius Ritter Deggeroni, Juan Pablo de Lima Costa Salazar, Diogo Nardelli Siebert, Luiz Adolfo Hegele Júnior

Published in: Advances in Turbulence

Publisher: Springer International Publishing

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Abstract

This chapter focuses on the analysis of turbulent kinetic energy (TKE) in a two-dimensional lid-driven cavity flow at a Reynolds number of 100,000 using the lattice Boltzmann method (LBM). It introduces the LBM as a powerful tool for simulating complex fluid dynamics, highlighting its ability to resolve all spatial and temporal scales present in turbulent flows. The chapter delves into the implementation of boundary conditions and the TKE budget equation, providing a detailed examination of the evolution and balance of TKE in the cavity flow. Results show the emergence of complex flow dynamics and the steady increase of average kinetic energy, indicating the presence of turbulence even at early time steps. The chapter concludes by noting the effectiveness of the LBM boundary condition implementation and the potential for further analysis once a statistically stationary state is reached.

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Title: Turbulent Kinetic Energy Analysis in 2D Lid-Driven Cavity Flow at Re = 100,000
Authors: Maicon Vinicius Ritter Deggeroni
Juan Pablo de Lima Costa Salazar
Diogo Nardelli Siebert
Luiz Adolfo Hegele Júnior
Publisher: Springer International Publishing
Book: Advances in Turbulence
Print ISBN: 978-3-031-25989-0

Electronic ISBN: 978-3-031-25990-6

Copyright Year: 2023
DOI: https://doi.org/10.1007/978-3-031-25990-6_8