Description
This research is focused on the thermal mixing region of parallel jets entering an upper plenum. The highly-coupled thermal-fluid physics are relevant to plenum-to-plenum flow in High Temperature Gas Reactors such as thermal striping phenomena. Experimentally measured boundary conditions and system response quantities for use in Computational Fluid Dynamics were tabulated and published for public use.
Author ORCID Identifier
Barton L Smith https://orcid.org/ 0000-0002-1461-5888
OCLC
1236212487
Document Type
Dataset
DCMI Type
Dataset
File Format
.txt, .zip, .stl, .stp, .x_t, .csv
Viewing Instructions
***A zipped version of the complete dataset is available. Contact RDMS (researchdata@usu.edu) for more details.*** Files will need to be unzipped.
Publication Date
12-3-2020
Funder
U.S. Dept. of Energy
Publisher
Utah State University
Award Number
U.S. Dept. of Energy 0008562
Methodology
A new wind tunnel test section was designed, built, and installed into the Rotatable Buoyancy Tunnel (RoBuT) at Utah State University for these experiments. The geometry was triple parallel channels separating an upper and lower plena. The inflow velocity from the channels into the upper plenum was measured using Stereo Particle Image Velocimetry. The velocity in the mixing region was measured using two-component Particle Image Velocimetry. Embedded thermocouples were used to measure surface temperature in the outter tunnel walls and channel surfaces. The pressure drop across the wind tunnel was measured using a 1-Torr Baratron. Thin-wire thermocouple probes were used to measure the air temperature in the upper plenum. 9 experimental cases were studied by varying the pressure drop across the test section with a blower or by selectively heating the channels with constant heat flux.
Referenced by
Parker, A. W., 2020. “Computational Fluid Dynamics Benchmark Validation Experiment of Plenum-to-Plenum Flow Through Vertical Heated Parallel Channels”. PhD Dissertation, Utah State University.
Language
eng
Code Lists
Variable names in data files:
std_ = Standard deviation of variable_
T = Temperature measurement
t = Time
U = x-component of velocity
u_ = Uncertainty of variable_
V = y-component of velocity
W = z-component of velocity
X = x-position
Y = y-position
Z = z-position
See README.txt file.
Disciplines
Mechanical Engineering
License
This work is licensed under a Creative Commons Attribution 4.0 License.
Identifier
https://doi.org/10.26078/cad3-j806
Recommended Citation
Parker, A. W. & Smith, B. L. (2020). Data from: Computational Fluid Dynamics Benchmark Validation Experiment of Plenum-to-Plenum Flow Through Vertical Heated Parallel Channels. Utah State University. https://doi.org/10.26078/cad3-j806
Checksum
2a49fa69d91bbe066348852000471bbb
Additional Files
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dP0_CCC_Ambient_Conditions.xlsx (8 kB)
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dP37_HHH_Ambient_Conditions.xlsx (8 kB)
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dP37_HHH_SRQ_Velocity09.xlsx (321201 kB)
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dP37_HHH_SRQ_Velocity10.xlsx (319250 kB)
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dP37_HHH_TC_Array_Temp.xlsx (4125 kB)
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dP37_HHH_Tunnel_Pressure_Drop.xlsx (7 kB)
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dP37_HHH_Wall_Temp.xlsx (10 kB)
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P2P_AsBuilt.STEP (7727 kB)
MD5: 189845829e2b62dd0e264a5c778fa9dd
P2P_AsBuilt.STL (4628 kB)
MD5: a8026f5ae032cd4ec062246c3acc657d
P2P_AsBuilt.x_t (5386 kB)
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P2P_AsBuilt_Complete.txt (28 kB)
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P2P_AsBuilt_Measured.txt (46 kB)
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Comments
There are 10 .zip folders that contain the geometry and experiment measurements. The data are organized by 9 parent .zip folders that indicate the experimental conditions for each case. The parent folders identify the pressure drop across the wind tunnel test section due to the blower at ambient conditions as well as which channels were heated. For example, the file dP6_HCH. zip contains all the experimental measurements with a blower set at constant rotations per minute to cause a pressure drop of 6 Pa at ambient temperatures and HCH indicates the outer channels were heated and the inner channel was not.
The files in the parent .zip folders are the experimentally measured boundary conditions and system response quantities. The name of each file indicates the measured parameter. Instantaneous velocities through the entire dataset are tabulated in the SRQ_Velcoity##.csv files, ## represents the chronological order of these files. These velocity files were separated so they can be openned by standard modern computers.
The experiment geometry files are contained in the 'P2P_AsBuilt' folder. Two tab delimited files contain the experiment measurement locations in global coordinates that can be used to generate point clouds for solid modelling. The file 'AsBuilt_Measure' are the coordinates of the actual measured locations and 'AsBuilt_Complete' are the actual measured locations and assumed connecting points. The as-built model is available as StereoLithography (*.stl), STEP (*.stp), and Parasolid (*.x_t).
The measured and calculated quantities are archived as comma separated values (*.csv) files. The column header describes the quantity and the units are in square brackets. Instantaneous data are reported with a time while averaged quantities are not. All data except the atmospheric conditions are tabulated with global coordinates. All data are recorded with an uncertainty value.