Bibliographic citations
Garcia, F., Gallo, K. (2020). Determinación experimental de sobreelevaciones generadas por obstrucciones alineadas con ápices de geometría rectangular y triangular en el canal abierto de pendiente variable computarizado H91.8D/10C [Tesis, Universidad Privada Antenor Orrego - UPAO]. https://hdl.handle.net/20.500.12759/5910
Garcia, F., Gallo, K. Determinación experimental de sobreelevaciones generadas por obstrucciones alineadas con ápices de geometría rectangular y triangular en el canal abierto de pendiente variable computarizado H91.8D/10C [Tesis]. : Universidad Privada Antenor Orrego - UPAO; 2020. https://hdl.handle.net/20.500.12759/5910
@misc{renati/372608,
title = "Determinación experimental de sobreelevaciones generadas por obstrucciones alineadas con ápices de geometría rectangular y triangular en el canal abierto de pendiente variable computarizado H91.8D/10C",
author = "Gallo Seminario, Kevin Jesús",
publisher = "Universidad Privada Antenor Orrego - UPAO",
year = "2020"
}
A study was carried out whose purpose was to experimentally determine the upstreams generated upstream, by obstructions aligned with apexes of rectangular geometry, apexes of triangular geometry of 90 ° and apexes of triangular geometry of 60 °; made in the computerized variable slope channel H91.8D / 10 / C of the Antenor Orrego Private University, for which, for an adequate estimate, its local load loss coefficients were determined according to the influence of the geometry apices of each obstruction already mentioned, the distance between prototypes (every 6, 12 and 18 cm), flow rates of 0.0096 m3 / s and 0.0108 m3 / s and slopes of 0%, 0.1% and 0.2%. The aligned obstructions used are prototypes made of wood with dimensions of 0.03 m wide, 0.12 m long and 0.35 m high; with metal base and threaded hole for fixing and a metal platform with rubber coating for prototype integration; by means of which, a total 36 work obstructions were elaborated. Ven Te Chow and Naudascher were used as theoretical basis; In the laboratory the local load losses were obtained by applying the energy equation which was contrasted with the Naudascher formula to determine the local load loss coefficients for each type of obstruction. The results obtained for the local load loss coefficients were the following: ζ = 0.246 (for 60 ° triangular geometry apex 2 rows @ 6, 12, 18 cm 1 column), ζ = 0.276 (for 60 ° triangular geometry apex 3 rows @ 6.12 and 18 cm and 1 column), ζ = 0.294 (for 60 ° triangular geometry apex 2 rows @ 6.12 and 18 cm and 2 columns), ζ = 0.325 (for 60 ° triangular geometry apex 3 rows @ 6.12 and 18 cm and 2 columns), ζ = 0.301 (for triangular geometry apex of 90 ° 2 rows @ 6.12 and 18 cm and 1 column), ζ = 0.365 (for triangular geometry apex of 90 ° 3 rows @ 6.12 and 18 cm and 1 column), ζ = 0.387 (for triangular geometry apex of 90 ° 2 rows @ 6.12 and 18 cm and 2 columns), ζ = 0.394 (for triangular geometry apex of 90 ° 3 rows @ 6.12 and 18 cm and 2 columns), ζ = 0.358 (for rectangular geometry apex 2 rows @ 6.12 and 18 cm and 1 column), ζ = 0.386 (for rectangular geometry apex 3 rows @ 6.12 and 18 cm and 1 column), ζ = 0.396 (for apex of rectangular geometry 2 rows @ 6.12 and 18 cm and 2 columns) and ζ = 0.407 (pair at apex of rectangular geometry 3 rows @ 6.12 and 18 cm and 2 columns). Having these values allowed us to determine the over-elevations with the formula cleared by Naudascher and likewise it was contrasted with the over-elevations that were obtained in the laboratory obtaining an equality when comparing both results. It was concluded that the over-elevation of the surface of water generated upstream by obstructions formed by blocks aligned with apexes of rectangular geometry, are greater than 6% at the apexes of triangular geometry of 90 ° and greater by 24% at the apexes of triangular geometry of 60 °.
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