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10Â Geometries
15Â Meshes
6Â Simulation setups
13Â ResultsDuct-only CFD benchmark of the updated manifold. Purpose: compare flow distribution and pressure losses; oven resistance is not included. Isothermal air approximation at 68 C and 1 atm: density 1.035 kg/m3, kinematic viscosity 1.97e-5 m2/s. Stainless steel 304 internal partitions retained with user-approved assumed thickness 1 mm. Seven inlet ports have total gauge pressure 0 Pa. Outlet static pressure -130 Pa is an initial calibration trial, not the controlled sensor pressure. Target: -130 Pa static gauge at the RIGHT WALL, 100 mm from the start of the rectangular neck; sensor height assumed at mid-height. Numerical probe is 1 mm inside fluid: (0.4616, 0.18912, 0) m. Outlet pressure must be adjusted after the trial to achieve the sensor target. Blower TDFA 500 catalogue point: 6001 m3/h at 802 Pa static, 50 Hz, 1450 rpm, 3 kW. Catalogue flow is not imposed and no fan curve is inferred. Geometry includes the 750 mm transition from 350 to 250 mm and two 250 mm branches, one straight and one at 35 degrees. Setup: steady incompressible k-omega SST, surface pressure averages and velocity integrals for all eight ports, sensor probe, total-pressure and wall-y+ fields. Initial 10 mm core mesh and trial run require mesh quality, convergence, mass-balance and refinement checks before quantitative conclusions. No validated flow results yet.
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galmania12 created this project
6 days ago
10Â Geometries 15Â Meshes 6Â Simulation setups 13Â ResultsDuct-only CFD benchmark of the updated manifold. Purpose: compare flow distribution and pressure losses; oven resistance is not included. Isothermal air approximation at 68 C and 1 atm: density 1.035 kg/m3, kinematic viscosity 1.97e-5 m2/s. Stainless steel 304 internal partitions retained with user-approved assumed thickness 1 mm. Seven inlet ports have total gauge pressure 0 Pa. Outlet static pressure -130 Pa is an initial calibration trial, not the controlled sensor pressure. Target: -130 Pa static gauge at the RIGHT WALL, 100 mm from the start of the rectangular neck; sensor height assumed at mid-height. Numerical probe is 1 mm inside fluid: (0.4616, 0.18912, 0) m. Outlet pressure must be adjusted after the trial to achieve the sensor target. Blower TDFA 500 catalogue point: 6001 m3/h at 802 Pa static, 50 Hz, 1450 rpm, 3 kW. Catalogue flow is not imposed and no fan curve is inferred. Geometry includes the 750 mm transition from 350 to 250 mm and two 250 mm branches, one straight and one at 35 degrees. Setup: steady incompressible k-omega SST, surface pressure averages and velocity integrals for all eight ports, sensor probe, total-pressure and wall-y+ fields. Initial 10 mm core mesh and trial run require mesh quality, convergence, mass-balance and refinement checks before quantitative conclusions. No validated flow results yet.
by Jon_WildeJon_Wilde
