<?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>S1815-59442019000200100</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cálculo térmico normativo de calderas digitalizado para el análisis de regímenes estacionarios]]></article-title>
<article-title xml:lang="en"><![CDATA[Boilers normative termal calculation digitized for stationary régimes analysis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calvo-González]]></surname>
<given-names><![CDATA[Alberto E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Becquer]]></surname>
<given-names><![CDATA[Nelson]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aballe-Infante]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-García]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez-Machado]]></surname>
<given-names><![CDATA[Renier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santé-Heredia]]></surname>
<given-names><![CDATA[Vicente]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernando-Mfumo]]></surname>
<given-names><![CDATA[Agostinho]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Tecnológica de la Habana José Antonio Echeverría Centro de Estudios de Tecnologías Renovables ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Unión de Empresas de Recuperación de Materias Primas  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Proyectos Azucareros  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Unión Eléctrica  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Superior Politécnico de Songo  ]]></institution>
<addr-line><![CDATA[ Tete]]></addr-line>
<country>Mozambique</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>22</volume>
<numero>2</numero>
<fpage>100</fpage>
<lpage>107</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59442019000200100&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59442019000200100&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59442019000200100&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo surgió de la necesidad de obtener un modelo matemático que permita estudiar los posibles cambios que se precisen realizar en un generador de vapor con el fin de estudiar su comportamiento en regímenes estacionarios no usuales. El objetivo principal fue el ajuste del modelo matemático escogido del Cálculo Térmico Normativo, digitalizado, a una caldera que suministra vapor a una turbina de 60 MW. Para lograr este objetivo primero se realizó una extensa búsqueda de información sobre el funcionamiento, las características geométricas actualizadas y los parámetros de funcionamiento normados de la caldera. Luego sobre la base del modelo mencionado se adaptaron las ecuaciones a los cálculos térmicos pertinentes, realizándose estos para la carga nominal y cuatro regímenes típicos menores. Se hizo una comparación con las normas de operación de la central obteniéndose resultados satisfactorios.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The present work arose from the need to obtain a mathematical model that allows studying the possible changes that need to be made in a steam generator in order to study its behavior in unusual stationary. The main objective was the adjustment of the mathematical model chosen from the Thermal Normative Calculation, digitized, to a boiler that supplies steam to a 60 MW turbine. To achieve this objective, an extensive search was first carried out for information on the operation, the updated geometrical characteristics and the normed operating parameters of the boiler. Then, based on the aforementioned model, the equations were adapted to the pertinent thermal calculations, these being done for the nominal load and four smaller typical regimes. A comparison was made with the operating standards of the plant, which was satisfactory.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[calderas]]></kwd>
<kwd lng="es"><![CDATA[modelación]]></kwd>
<kwd lng="es"><![CDATA[cálculo térmico normativo]]></kwd>
<kwd lng="es"><![CDATA[digitalización]]></kwd>
<kwd lng="en"><![CDATA[boilers]]></kwd>
<kwd lng="en"><![CDATA[modeling]]></kwd>
<kwd lng="en"><![CDATA[normative thermal calculations]]></kwd>
<kwd lng="en"><![CDATA[digitalization]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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