<?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>1815-5901</journal-id>
<journal-title><![CDATA[Ingeniería Energética]]></journal-title>
<abbrev-journal-title><![CDATA[Energética]]></abbrev-journal-title>
<issn>1815-5901</issn>
<publisher>
<publisher-name><![CDATA[Universidad Tecnológica de La Habana José Antonio Echeverría, Cujae]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1815-59012019000200138</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Modelado por técnicas de regresión de los parámetros energéticos de desempeño para gasificadores tipo downdraft]]></article-title>
<article-title xml:lang="en"><![CDATA[Modeling by regression techniques of energetic performance parameters for downdraft gasifiers]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pico Gordón]]></surname>
<given-names><![CDATA[José Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soria Amancha]]></surname>
<given-names><![CDATA[Jorge André]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutierrez Gualotuña]]></surname>
<given-names><![CDATA[Eduardo Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arzola Ruiz]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de las Fuerzas Armadas - ESPE  ]]></institution>
<addr-line><![CDATA[ Quito]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Tecnológica de La Habana Cujae ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</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>40</volume>
<numero>2</numero>
<fpage>138</fpage>
<lpage>147</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59012019000200138&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59012019000200138&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59012019000200138&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En el trabajo se presentan resultados investigativos obtenidos por los autores en el modelado de indicadores de desempeño de la operación de instalaciones de gasificación de la biomasa con ayuda de las técnicas de regresión no lineal, a partir de la clasificación de la información derivada del análisis sistémico de la operación de estas instalaciones. Se realiza unos estudios bibliográficos de los trabajos de investigaciones previos, vinculados al modelado matemático de estas instalaciones por las diferentes técnicas reflejada en la literatura especializada. Se realiza un plan experimental 3N con tres réplicas, a partir del cual se elaboran, cuatro modelos de regresión no lineales correspondientes a las biomasas eichhornia crassipes, oryza sativa y leña, utilizadas en los experimentos a respectivos indicadores de desempeño de las biomasas, con satisfactorios resultados de su evaluación a partir de los coeficientes de regresión y errores estándar. Se describen la instalación experimental y el sistema de adquisición de datos desarrollados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This article presents research results obtained by the authors in the modeling of the performance indicators of the operation of biomass gasification facilities with helped by non-linear regression techniques, based on the classification of the information derived from the systemic analysis of the operation of these facilities. Some bibliographical studies of the previous research works are carried out, linked to the mathematical modeling of these facilities by the different techniques reflected in the specialized literature. A 3  N experimental plan is made with three replicas, from which four non-linear regression models, corresponding to the respective performance indicators, are elaborated using models linearization techniques, with satisfactory results from their evaluation based on the regression coefficients and standard errors foreichhornia crassipes, oryza sativa and wood, used as biomass. The experimental installation and the acquired data acquisition system are described.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Operación de instalaciones energéticas]]></kwd>
<kwd lng="es"><![CDATA[energía renovable]]></kwd>
<kwd lng="es"><![CDATA[instalaciones de gasificación tipo downdraft]]></kwd>
<kwd lng="es"><![CDATA[modelado matemático]]></kwd>
<kwd lng="en"><![CDATA[Operation of energetic installations]]></kwd>
<kwd lng="en"><![CDATA[renewable energy]]></kwd>
<kwd lng="en"><![CDATA[downdraft gasification installations]]></kwd>
<kwd lng="en"><![CDATA[mathematical modeling]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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