Francis-99 Workshop 2: Transient operation

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Trivedi, Chirag, 2026, "Francis-99 Workshop 2: Transient operation", https://doi.org/10.18710/WLBL7M, DataverseNO, V1
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Description
The Francis-99 workshop series aims to provides an open platform to the hydropower researchers and possibility to explore their capabilities and to enhance their computational modelling skills. The objective is to provide high quality experimental data of selected test cases from the Waterpower laboratory (NTNU). The open data may include three-dimensional model, geometry, mesh for simulations and the experimental data. Then, organize a workshop for the researchers to present their research work and publish verified and validated data through Francis-99 workshop proceeding. The first workshop focused on steady state operating conditions of the turbine. The data on the first workshop are available on DataverseNO (https://doi.org/10.18710/HKQ2RF). This workshop focuses on transient operation of the turbine, including the load variation form the design load to the high load and part load. The data includes both pressure measurements at selected locations in the turbine and velocity measurements in draft tube. Velocity was measured using PIV in the draft tube. The PIV data were collected at two sections of the draft tube, Line 1 and Line 2. A potential user can use these data and validate the numerical model. Detailed information about the data, numerical model, boundary conditions, mesh for the numerical model is available in the attached report. (2026-02-24)
Subject Engineering; Physics
Keyword Francis turbine, Francis-99, Energy, Computational fluid dynamic, CFD, Pressure, Velocity, Vortex breakdown, Hydroelectric power
Related Publication Is Supplement To: C Trivedi, MJ Cervantes, BK Gandhi and OG Dahlhaug, 2014, Pressure measurements on a high head Francis turbine during load acceptance and rejection, Journal of Hydraulic Research, 52, 283-297.doi: 10.1080/00221686.2013.854846
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00_README.txt
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Published Mar 18, 2026
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MD5: a52478dda4d7221b4325df060c38a1d2
README file provides overview about the data
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01_Francis_99_Workshop_2.pdf
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Published Mar 18, 2026
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MD5: a4a6bfe30b561713c446e473d166ad39
Main report describes the Francis-99 workshop 2, data collections, data types, methods and data usage.
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f99w2_cad_assembly.zip
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Published Mar 18, 2026
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MD5: e218c629c9c855de60b88159df5618e0
Three-dimensional cad file of the Francis-99 turbine.
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f99w2_cad_parasolid.zip
ZIP Archive - 4.1 MB
Published Mar 18, 2026
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MD5: 5b62cb770a917717bfc27421bd404887
Three-dimensional cad file (parasolid version) of the Francis-99 turbine.
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f99w2_cad_part.zip
ZIP Archive - 41.0 MB
Published Mar 18, 2026
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MD5: c30182faa4d50ff6bf4d0bab74d7211b
Three-dimensional cad file of the Francis-99 turbine components, independent cad files in igs format.
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f99w2_exp_piv_lines.zip
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Published Mar 18, 2026
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MD5: 5ee9bbfe3c319c19555c4ed7c9b87838
This file contains experimental data of velocity.
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f99w2_exp_steady_pressure.zip
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Published Mar 18, 2026
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MD5: 1ff10af97faf58c9ad24813cc39ca4cc
This file contains pressure data of the turbine.
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f99w2_exp_steady_velocity.zip
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Published Mar 18, 2026
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MD5: 4420057aa45b986da2beda91c2f104a8
This file contains velocity data at three steady state operating points.
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f99w2_mesh.zip
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Published Mar 18, 2026
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MD5: 1b9470932324313191a0d8899d2864ac
This file contains the mesh files for cfd compatible software. The zip contains mesh of the turbine components with different combinations. See Table 5 in the report for detailed information about the files.
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