<?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>1815-5944</journal-id>
<journal-title><![CDATA[Ingeniería Mecánica]]></journal-title>
<abbrev-journal-title><![CDATA[Ingeniería Mecánica]]></abbrev-journal-title>
<issn>1815-5944</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ingeniería Mecánica. Instituto Superior Politécnico "José Antonio Echeverría"]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1815-59442020000300007</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Methodology for the preparation and selection of black box mathematical models for the energy simulation of screw type chillers]]></article-title>
<article-title xml:lang="es"><![CDATA[Metodología para la confección y selección de modelos matemáticos de caja negra para la simulación energética de enfriadoras tipo tornillo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Torres]]></surname>
<given-names><![CDATA[Yamilé]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santana-Justiz]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Francisco-Pedro]]></surname>
<given-names><![CDATA[Gilberto Jose]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Daniel-Alvarez]]></surname>
<given-names><![CDATA[Lazaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Miranda-Torres]]></surname>
<given-names><![CDATA[Yudit]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerra-Plascencia]]></surname>
<given-names><![CDATA[Mario Álvarez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Carlos Rafael Rodríguez Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[ Cienfuegos]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Médio Politécnico do Namibe  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Angola</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Empresa de Farmacias y Opticas  ]]></institution>
<addr-line><![CDATA[ Cienfuegos]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>23</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59442020000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59442020000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59442020000300007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This article proposes a methodology for the construction and simultaneous evaluation of black box models for screw type water chillers. The estimation method used was generalized Least Squares. The proposed methodology is an iterative process and its evaluation is based on quality parameters of goodness of fit and statistical assumptions. Ten mathematical models with different levels of complexity were proposed. The statistical software used was Eviews 7.0. The selection of the models was based on the Occam's razor, remaining as the most feasible model is model 5 characterized by a multiple linear regression]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El presente artículo propone una metodología para la construcción y evaluación simultánea de modelos de caja negra para enfriadoras de agua tipo tornillo, empleando el método generalizado de los mínimos cuadrados. La metodología propuesta es un proceso iterativo y su evaluación se basa en parámetros de calidad de la bondad del ajuste y los supuestos estadísticos. Se propusieron 10 modelos matemáticos con distintos niveles de complejidad. La comprobación de los modelos se efectuó empleando el programa estadístico Eview-7.0 la selección de los modelos se basó en el principio de la navaja Ockham, quedando como el modelo más factible es el modelo 5 caracterizado por un modelo de regresión lineal múltiple.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[chiller]]></kwd>
<kwd lng="en"><![CDATA[black box models]]></kwd>
<kwd lng="en"><![CDATA[linear regression]]></kwd>
<kwd lng="es"><![CDATA[enfriadoras de agua helada]]></kwd>
<kwd lng="es"><![CDATA[modelos matemáticos de caja negra]]></kwd>
<kwd lng="es"><![CDATA[regresión lineal]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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