Development of a Lagrangian Temperature Particles Method to Investigate the Flow Around a Rough Bluff Body
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| Foilsithe in: | Fluids vol. 10, no. 11 (2025), p. 288-307 |
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| Rannpháirtithe: | , , , , |
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MDPI AG
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| Rochtain ar líne: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| 024 | 7 | |a 10.3390/fluids10110288 |2 doi | |
| 035 | |a 3275512694 | ||
| 045 | 2 | |b d20250101 |b d20251231 | |
| 100 | 1 | |a Carvalho Gabriel Ferraz Marcondes de |u Mechanical Engineering Institute, Federal University of Itajubá (UNIFEI), Itajubá 37500-903, MG, Brazil; ferraz@unifei.edu.br (G.F.M.d.C.); tiagochiradia@unifei.edu.br (T.R.C.); victor97gava@unifei.edu.br (V.H.G.F.); pauloguimor@unifei.edu.br (P.G.d.M.) | |
| 245 | 1 | |a Development of a Lagrangian Temperature Particles Method to Investigate the Flow Around a Rough Bluff Body | |
| 260 | |b MDPI AG |c 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a This paper presents a roughness surface model for Lagrangian simulations that interacts with both temperature and vorticity fields. The chosen problem is the uniform flow around a rough circular cylinder heated with constant temperature under mixed convection. The methodology used is the Temperature Particles Method (TPM), in which both vorticity and temperature fields are discretized in particles to simulate the real flow in a purely Lagrangian form. The simulation is computationally extensive due to the application of the Biot–Savart law for the two fields and the calculation of buoyancy forces, which is alleviated by the use of parallel programming with OpenMP. The simulation of roughness effects for both fields is obtained using a Large Eddy Simulation (LES) model for vorticity, based on the second-order velocity structure function, which is correlated with the thermal diffusivity through the turbulent Prandtl number. In general, the results indicate that roughness increases the drag coefficient, while an increase in the Richardson number reduces this coefficient. | |
| 653 | |a Heat transfer | ||
| 653 | |a Circular cylinders | ||
| 653 | |a Simulation | ||
| 653 | |a Velocity | ||
| 653 | |a Thermal diffusivity | ||
| 653 | |a Large eddy simulation | ||
| 653 | |a Parallel programming | ||
| 653 | |a Viscosity | ||
| 653 | |a Prandtl number | ||
| 653 | |a Richardson number | ||
| 653 | |a Turbulence models | ||
| 653 | |a Vortices | ||
| 653 | |a Vorticity | ||
| 653 | |a Drag coefficients | ||
| 653 | |a Roughness | ||
| 653 | |a Uniform flow | ||
| 653 | |a Methods | ||
| 653 | |a Reynolds number | ||
| 653 | |a Boundary conditions | ||
| 653 | |a Influence | ||
| 700 | 1 | |a Chiaradia, Tiago Raimundo |u Mechanical Engineering Institute, Federal University of Itajubá (UNIFEI), Itajubá 37500-903, MG, Brazil; ferraz@unifei.edu.br (G.F.M.d.C.); tiagochiradia@unifei.edu.br (T.R.C.); victor97gava@unifei.edu.br (V.H.G.F.); pauloguimor@unifei.edu.br (P.G.d.M.) | |
| 700 | 1 | |a Gava Filho Victor Hugo |u Mechanical Engineering Institute, Federal University of Itajubá (UNIFEI), Itajubá 37500-903, MG, Brazil; ferraz@unifei.edu.br (G.F.M.d.C.); tiagochiradia@unifei.edu.br (T.R.C.); victor97gava@unifei.edu.br (V.H.G.F.); pauloguimor@unifei.edu.br (P.G.d.M.) | |
| 700 | 1 | |a Moraes Paulo Guimarães de |u Mechanical Engineering Institute, Federal University of Itajubá (UNIFEI), Itajubá 37500-903, MG, Brazil; ferraz@unifei.edu.br (G.F.M.d.C.); tiagochiradia@unifei.edu.br (T.R.C.); victor97gava@unifei.edu.br (V.H.G.F.); pauloguimor@unifei.edu.br (P.G.d.M.) | |
| 700 | 1 | |a Bimbato Alex Mendonça |u School of Engineering and Sciences, São Paulo State University (UNESP), Guaratinguetá 12516-410, SP, Brazil; alex.bimbato@unesp.br | |
| 700 | 1 | |a Alcântara Pereira Luiz Antonio |u Mechanical Engineering Institute, Federal University of Itajubá (UNIFEI), Itajubá 37500-903, MG, Brazil; ferraz@unifei.edu.br (G.F.M.d.C.); tiagochiradia@unifei.edu.br (T.R.C.); victor97gava@unifei.edu.br (V.H.G.F.); pauloguimor@unifei.edu.br (P.G.d.M.) | |
| 773 | 0 | |t Fluids |g vol. 10, no. 11 (2025), p. 288-307 | |
| 786 | 0 | |d ProQuest |t Materials Science Database | |
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| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/3275512694/fulltextwithgraphics/embedded/6A8EOT78XXH2IG52?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3275512694/fulltextPDF/embedded/6A8EOT78XXH2IG52?source=fedsrch |