Physical and Mathematical Modeling of the HYKAT
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Physical and Mathematical Modeling of the HYKAT
Published Date
1988-12
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St. Anthony Falls Laboratory
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Report
Abstract
HYKAT is an acronym for a water tunnel that will be used for both
hydroacoustic and cavitation testing. It has a somewhat different configuration
than conventional water tunnels, and therefore has been subjected to
conHiderable analysis. The first studies carried out at the St. Anthony Falls
llydraulic Laboratory were primarily concerned with the overall characteristics
of the facility. These studies resulted in a recommendation for the shape of
the contraction for a given contraction ratio, analysis of the turning vanes in
the first elbow, turbulence management system, and overall headloss
estimations. The entire effort was a "paper" study, and consisted of
mathematical modeling and other analysis based on previous studies and
available data. The results have been reported earlier [1].
As a result of the above mentioned work, it was recommended that
additional work be carried out to verify the performance of the preliminary
design. The overall configuration of the HYKA T that was to be evaluated is
Hhown in Fig. 1. This configuration is slightly different than that originally
proposed. The second elbow has been changed from a round to square
cross-section, and the number of turning vanes in the elbows has been
increased. The study was to include both physical and mathematical
modeling. The math modeling was to be verified by the physical model so
that it could then be used to predict the performance of the full-scale
IIYKAT. The math model would also be useful in guiding the experimental
programs and possibly be used in defining new boundary shapes, if deemed
necessary. A combination of both types of modeling has proven to be very
effective, particularly with the opportunity for close liaison being available
between the two modeling groups at the Laboratory. The results of these
efforts are discussed in detail in the following sections.
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Hamburgische Schiffbau-Versuchsantalt
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Song, Charles C. S.; Wetzel, Joseph M.; Killen, John M.. (1988). Physical and Mathematical Modeling of the HYKAT. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/131349.
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