Estimación de coeficientes de descarga en orificios circulares de pared delgada, en modelos físicos
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Date
2018
Journal Title
Journal ISSN
Volume Title
Publisher
Corporación Universitaria Lasallista, Editorial Lasallista
Abstract
Introduction This research seeks the
conceptualization of the theories and the
methodological development to achieve
the objective that is to contribute to
the experimental knowledge about
discharge coefficients for circular holes
of thin wall, not submerged, given the
limited information found on them. The
Materials and methods consisted of
developing an experimental physical
model, which was developed in thePilot
Laboratory of Hydraulics of the Faculty
of Mathematical andPhysicalSciences,
University of Guayaquil–Ecuador,
located at 4.00 meters above sea level,
with an average ambient temperature
of 26 ° C and an average relative
humidity of 75%.We built 8 circular holes
between 6 and 48 mm in diameter using
polymethylmethacrylate (acrylic) as a
material, approximately 300 data were
considered through the experimental
method, in which, the actual flow was
evaluated volumetrically, while the
discharge coefficient was determined
by the relationship between real flow
and theoretical flow rate, resulting in
discharge coefficients ranging between
0.76–0.56, results presented in the
abacus FCMF-UG-Cd-OCPD-2018,
which considers the discharge
coefficient vs the hydrostatic head / hole
diameter ratio. Through comparisons
with bibliographic sources. Conclusion:
The values of discharge coefficients
obtained in this investigation are valid
according to the study flow conditions,
these being of great contribution to these
structures where holes are used such as
desarenadores, catchments and drains.
Description
Keywords
Corporación Universitaria Lasallista, Física, Hidráulica, Física - Investigaciones, Hidráulica - Flujo, Movimiento - Física
Citation
Revista Lasallista de Investigación Vol. 15 No 2 2018