Conference Proceedings Paper
Turbulent Velocity Measurement of Rectangular Sub-channel Mixing Using Laser Doppler Velocimetry - Extended Abstract
36th Annual CNS-CNA Student Conference - 2012 June 12
Fabricia Pineiro (McMaster University )
Ken Leung (McMaster University )
The methodology used to measure water velocity across compound rectangular channels connected by a thin gap under balanced flow conditions is presented. The objective of this research is to generate sub-channel turbulent mixing data, which can be used to assess models used in nuclear safety analysis sub-channel codes. Laser Doppler Velocimetry (LDV) is used in order to obtain 2-dimensional (axial and transverse) flow velocity measurements of water in the sub-channels. The resulting flow distribution in the sub-channels shows bilateral symmetry with respect to the center of the gap, whereas the transverse maps are more irregular. Velocity measurements are taken at different heights above the mixing inlet in order to find the full development of the flow.
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