<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342016000400821</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de coeficientes de la fuerza del viento y comportamiento del flujo sobre un modelo de invernadero]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis coefficients wind force and flow behavior on a greenhouse model]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Bautista]]></surname>
<given-names><![CDATA[Vicente]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villaseñor Perea]]></surname>
<given-names><![CDATA[Carlos Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Canteñs]]></surname>
<given-names><![CDATA[Gilberto de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo García]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cervantes Osornio]]></surname>
<given-names><![CDATA[Rocio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></institution>
<addr-line><![CDATA[Chapingo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Chapingo Departamento Ingeniería Mecánica Agrícola ]]></institution>
<addr-line><![CDATA[Chapingo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Chapingo Departamento de Irrigación ]]></institution>
<addr-line><![CDATA[Chapingo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,INIFAP Campo Experimental Valle de México ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>4</numero>
<fpage>821</fpage>
<lpage>832</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016000400821&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016000400821&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016000400821&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los invernaderos usualmente se construyen con marcos de metal cubiertos con plástico y además son estructuras ligeras, por lo cual son sensibles a las cargas dinámicas tales como la carga de viento. En este trabajo se analiza el comportamiento aerodinámico de un modelo de invernadero con ventila cenital, a través de la determinación de las presiones locales en túnel de viento utilizando un modelo a escala, considerando distintas direcciones del viento. El flujo de aire sobre un invernadero es un fenómeno complejo, debido a esto se visualizó el comportamiento del flujo de aire alrededor del modelo por medio de inyección de humo y el resultado se comparó con una simulación realizada en un software de elemento finito (CFD) para obtener una validación de la distribución del flujo; los coeficientes de la fuerza del viento fueron determinados y comparados con los valores reportados en algunos países; corroborando el estudio. Se espera que los resultados presentados sean útiles para el desarrollo de futuras investigaciones, así como para garantizar la seguridad mecánica de las estructuras y ser un referente para la industria de la construcción de invernaderos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The greenhouses are usually constructed with plastic frames covered with metal and are also lightweight structures, which are sensitive to dynamic loads such as wind load. In this work the aerodynamic behavior of a model greenhouse with overhead vent is analyzed through the determination of local pressure wind tunnel using a scale model, considering different wind directions. Airflow on a greenhouse is a complex phenomenon, because this behavior airflow around the model was visualized by injection of smoke and the result was compared with a simulation performed on a software finite element (CFD) for a validation of the flow distribution; coefficients wind strength were determined and compared with values reported in some countries; corroborating the study. It is expected that the results will be useful for future research, and to ensure the mechanical safety of structures and be a benchmark for the industry of building greenhouses.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[carga aerodinámica]]></kwd>
<kwd lng="es"><![CDATA[CFD]]></kwd>
<kwd lng="es"><![CDATA[humo]]></kwd>
<kwd lng="es"><![CDATA[invernadero]]></kwd>
<kwd lng="es"><![CDATA[túnel de viento]]></kwd>
<kwd lng="es"><![CDATA[simulación]]></kwd>
<kwd lng="en"><![CDATA[CFD]]></kwd>
<kwd lng="en"><![CDATA[downforce]]></kwd>
<kwd lng="en"><![CDATA[greenhouse]]></kwd>
<kwd lng="en"><![CDATA[simulation]]></kwd>
<kwd lng="en"><![CDATA[smoke]]></kwd>
<kwd lng="en"><![CDATA[wind tunnel]]></kwd>
</kwd-group>
</article-meta>
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