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1 Geometry
1 Mesh
1 Simulation setup
1 ResultThis activity moves from laminar to turbulent flow and establishes the link between the turbulence model chosen and the mesh required to support it. The same fully developed pipe flow from Activity 1 is repeated at a Reynolds number of 50,000 using two combinations: a k-epsilon model with wall functions on a mesh sized for y+ between 30 and 100, and a k-omega SST model on a mesh resolved to y+ of approximately 1. The predicted Darcy friction factor is validated against the Colebrook equation for both smooth and commercially rough pipe. Students learn that a turbulence model and its mesh are a matched pair, and that a good result requires both to be correct. - Copy
1 Geometry 1 Mesh 1 Simulation setup 1 ResultThis activity moves from laminar to turbulent flow and establishes the link between the turbulence model chosen and the mesh required to support it. The same fully developed pipe flow from Activity 1 is repeated at a Reynolds number of 50,000 using two combinations: a k-epsilon model with wall functions on a mesh sized for y+ between 30 and 100, and a k-omega SST model on a mesh resolved to y+ of approximately 1. The predicted Darcy friction factor is validated against the Colebrook equation for both smooth and commercially rough pipe. Students learn that a turbulence model and its mesh are a matched pair, and that a good result requires both to be correct. - Copy
jparame created this project
4 days ago
jparame copied this project
4 days ago
