<?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>0188-6266</journal-id>
<journal-title><![CDATA[Acta universitaria]]></journal-title>
<abbrev-journal-title><![CDATA[Acta univ]]></abbrev-journal-title>
<issn>0188-6266</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Guanajuato, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-62662019000100182</article-id>
<article-id pub-id-type="doi">10.15174/au.2019.2147</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio térmico-fluido dinámico de un prototipo nivel laboratorio de un calentador solar que reutiliza botellas de plástico]]></article-title>
<article-title xml:lang="en"><![CDATA[Thermal-fluid dynamic study of a laboratory level prototype of a solar water heater that reuses plastic bottles]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfaro Ayala]]></surname>
<given-names><![CDATA[Jorge Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Crespo Quintanilla]]></surname>
<given-names><![CDATA[Jesús Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guanajuato Departamento de Ingeniería Química ]]></institution>
<addr-line><![CDATA[Guanajuato Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>29</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-62662019000100182&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-62662019000100182&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-62662019000100182&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo muestra una investigación del desempeño de un calentador solar que reutiliza botellas de plástico (material reciclado). El estudio se realizó mediante simulaciones numéricas con la dinámica computacional de fluidos (CFD, por sus siglas en inglés) y pruebas experimentales de un prototipo nivel laboratorio que reutiliza botellas de plástico de tereftalato de polietileno (PET, por sus siglas en inglés). El calentamiento de agua se realiza a través de la captación de la radiación solar sobre la superficie de las botellas de PET. El prototipo nivel laboratorio fue fabricado a base de filamento de plástico llamado ácido poliláctico (PLA, por sus siglas en inglés) por medio de impresión 3D. Los resultados muestran que el calentador solar que reutiliza botellas de PET logra alcanzar una temperatura máxima de 315 K (42 ºC). La validación del modelo numérico CFD se realizó con los datos adquiridos en los experimentos, resultando errores menores al 1.69%.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This work presents an investigation of the performance of a solar water heater made of plastic bottles (recycled material). The study was carried out through numerical simulations with the computational fluid dynamics (CFD) and tests at a laboratory level prototype that reuses plastic bottles of polyethylene terephthalate (PET). Water is heated through the reception of the solar radiation on the surface of the PET bottle. The prototype was made of plastic filament called polylactic acid (PLA) using a 3D printing. The results showed that the solar water heater that reuses PET bottles reaches a maximum temperature of 315 K (42 ºC). The validation of the CFD numerical model was made with the experimental results, obtaining relative errors less than 1.69%. This work presents an investigation of the performance of a solar water heater made of plastic bottles (recycled material). The study was carried out through numerical simulations with the computational fluid dynamics (CFD) and tests at a laboratory level prototype that reuses plastic bottles of polyethylene terephthalate (PET). Water is heated through the reception of the solar radiation on the surface of the PET bottle. The prototype was made of plastic filament called polylactic acid (PLA) using a 3D printing. The results showed that the solar water heater that reuses PET bottles reaches a maximum temperature of 315 K (42 ºC). The validation of the CFD numerical model was made with the experimental results, obtaining relative errors less than 1.69%.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Calentador solar]]></kwd>
<kwd lng="es"><![CDATA[prototipo]]></kwd>
<kwd lng="es"><![CDATA[PET]]></kwd>
<kwd lng="es"><![CDATA[impresión 3D]]></kwd>
<kwd lng="es"><![CDATA[simulación CFD]]></kwd>
<kwd lng="en"><![CDATA[Solar heater]]></kwd>
<kwd lng="en"><![CDATA[prototype]]></kwd>
<kwd lng="en"><![CDATA[PET]]></kwd>
<kwd lng="en"><![CDATA[3D printing]]></kwd>
<kwd lng="en"><![CDATA[CFD simulation]]></kwd>
</kwd-group>
</article-meta>
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