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仪器网/ 行业应用/ 解决方案/ INL在棱镜气体冷却反应器下腔室比例模型上获得流动现象

INL在棱镜气体冷却反应器下腔室比例模型上获得流动现象

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The experimental program that is being conducted at the Matched Index-of-Refraction (MIR) Flow
Facility at Idaho National Laboratory (INL) to obtain benchmark data on measurements of flow
phenomena in a scaled model of the lower plenum of a typical prismatic gas-cooled reactor (GCR) using
3-D Particle Image Velocimetry (PIV) is presented. A detailed description of the model, sca领, the
experimental facility, 3-D PIV system, measurement uncertainties, experimental procedures and samples
of the data sets that have been obtained are included. Samples of the data set that are presented include
mean-velocity-field and turbulence data in an approximately 1:7 scale model of a region of the lower
plenum. This experiment has been selected as the first Standard Problem endorsed by the Generation IV
International Forum.
Results concentrate on the region of the lower plenum near its far reflector wall (away from the outlet
duct). Inlet jet Reynolds numbers (based on the jet diameter and the time-mean flow rate) are
approximately 4,300 and 12,400. The measurements reveal undeveloped, non-uniform flow in the inlet jet
ducts and complicated flow patterns in the modeled lower plenum. Data include three-dimensional vector
plots, data displays along the coordinate planes (slices) and charts that describe the component flows at
specific regions in the model. Information on inlet flow is also presented. 德国LaVision PIV/PLIF粒子成像测速场仪
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