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Published byBelinda Chambers Modified over 9 years ago
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Thermalhydraulics Flows with TransAT - Thermal Stripping- Sep. 2014 ASCOMP www.ascomp.ch lakehal@ascomp.ch
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LES of Thermal stipping in a T-junction Flow visualization test in the Vattenfall T-junction test facility (Courtesy from Älvkarleby Laboratory, Vattenfall R&D). LDV meas. (Westin et al.) Re = 1.9E5 T= 15 Deg.
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BFC grid (1.600.000 nodes) LES of Thermal stipping in a T-junction
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Time signals results LES of Thermal stipping in a T-junction
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Time-averaged velocities: LES versus experiment Horizontal profile, L/D=1.6Horizontal profile, L/D=3.6 Vertical profile, L/D=1.6Vertical profile, L/D=3.6 LES of Thermal stipping in a T-junction
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Reynolds stresses: LES versus experiment Horizontal profile, L/D=1.6Horizontal profile, L/D=3.6 Vertical profile, L/D=1.6Vertical profile, L/D=3.6 LES of Thermal stipping in a T-junction
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Mean temperatures and RMS temperatures Angle of 0° (Top of the pipe)Angle of 180° (Bottom of the pipe) Angle of 90°Angle of 270° LES of Thermal stipping in a T-junction
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LES of Thermal stipping in a channel junction Schematic diagram of the test channel Hirota et al. (2010)
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LES of Thermal stipping in a channel junction Time average velocity profiles at various locations of the horizontal channel (X/B=0, 1 and 2) R.M.S. profiles at various locations of the channel (X/B=0, 1 and 2)
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Time average and R.M.S. temperature profiles at various locations of the channel (X/B=0, 1 and 2) LES of Thermal stipping in a channel junction
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