<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-7743</journal-id>
<journal-title><![CDATA[Ingeniería, investigación y tecnología]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. invest. y tecnol.]]></abbrev-journal-title>
<issn>1405-7743</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Ingeniería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-77432024000200002</article-id>
<article-id pub-id-type="doi">10.22201/fi.25940732e.2024.25.2.010</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis hidrodinámico por CFD de una obra de toma de agua potable en una presa de almacenamiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Hydrodynamic analysis through CFD of a potable water intake in a storage dam]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamora-Juárez]]></surname>
<given-names><![CDATA[Miguel Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerra-Cobián]]></surname>
<given-names><![CDATA[Víctor Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferriño-Fierro]]></surname>
<given-names><![CDATA[Adrián Leonardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ingeniería Civil Instituto de Ingeniería Civil]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ingeniería Civil Instituto de Ingeniería Civil]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ingeniería Civil Instituto de Ingeniería Civil]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>25</volume>
<numero>2</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-77432024000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-77432024000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-77432024000200002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El análisis hidrodinámico de una Obra de Toma de Agua Potable (OTAP) y una sección de tubo de conducción en una presa de México fue evaluada mediante Dinámica de Fluidos Computacional (CFD). El objetivo del estudio fue visualizar el comportamiento del flujo en la estructura de la OTAP y de 36 metros del tubo que conduce hacia una planta de bombeo. La metodología estableció cuatro escenarios en función del nivel de almacenamiento    H  O T A P y el caudal de extracción    Q  o u t para satisfacer parte de la demanda de agua. El balance de caudal mostró que las entradas 01 y 02 aportan un promedio combinado de 61.34 % del caudal de entrada a la torre. Sin embargo, la ubicación y orientación de la entrada 01, respecto a la dirección del flujo en el tubo, induce un efecto de vorticidad y turbulencia que puede inducir efectos de vibración y desgaste en la conexión de la torre y el tubo a largo plazo. Los valores de velocidad y condiciones operativas permitieron caracterizar el flujo como turbulento y sub-crítico ( R e = 1.01 x   10  - 6 ,  F r = 0.29), respaldado por la estimación analítica y numérica de velocidad del agua a la salida con un error relativo de 4.44 %. El efecto del paso de tiempo indicó un impacto mayor (3.61 %) que los modelos de turbulencia (2.61 %) en la solución numérica. Con base en los resultados se proporcionaron fundamentos para proponer un elemento disipador de energía en la parte inferior de la torre y reducir el nivel de vorticidad a lo largo del tubo, con el fin de evitar vibraciones y desgaste por fatiga en la entrada del tubo de conducción de agua de la OTAP.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A hydrodynamic analysis of potable water intake (PWI) and a section of flow tube at a dam of Mexico was assessed through Computational Flow Dynamics method. The aim of this study was to visualize the flow behavior within the structure of PWI and a section of 36 meters for the flow tube. The methodology set out four scenarios in function of storage level    H  O T A P and the outlet flow    Q  o u t towards a pumping system. The assessment of fluxes showed that water inlets 01 and 02 contribute a mean mixed of water flow rate of 61.34 % to intake. However, the location and direction of inlet 01, respect to tube axis, promote an effect of vorticity and turbulence which can produce vibration and wear in the long term. The velocity values and operative make it possible to flow as turbulent and sub-critical ( R e = 1.01 x   10  - 6 ,  F r = 0.29), which were back up by the analytic and numerical comparison of velocity outlet values with an 4.44 % as relative error. The effects of time step indicated a higher impact (3.61 %) than the turbulence models (2.61 %) at numerical solution. Based on results, the basis for the installation of a wall for turbulence dissipation were proposed at the bottom of the tower to reduces the vorticity rate along the pipe, in order to cutting down vibration and wear.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Obra de toma de agua potable]]></kwd>
<kwd lng="es"><![CDATA[dinámica de fluidos computacional]]></kwd>
<kwd lng="es"><![CDATA[turbulencia]]></kwd>
<kwd lng="es"><![CDATA[caudal de extracción]]></kwd>
<kwd lng="es"><![CDATA[vorticidad]]></kwd>
<kwd lng="en"><![CDATA[Water potable intake]]></kwd>
<kwd lng="en"><![CDATA[computational fluid dynamics]]></kwd>
<kwd lng="en"><![CDATA[turbulence]]></kwd>
<kwd lng="en"><![CDATA[outlet flow]]></kwd>
<kwd lng="en"><![CDATA[vorticity]]></kwd>
</kwd-group>
</article-meta>
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