<?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>0123-3033</journal-id>
<journal-title><![CDATA[Ingeniería y competitividad]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. compet.]]></abbrev-journal-title>
<issn>0123-3033</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ingeniería, Universidad del Valle]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-30332023000200004</article-id>
<article-id pub-id-type="doi">10.25100/iyc.v25i2.11808</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Modelamiento mecánico-térmico orientado al diseño de una cámara de compactación para densificación de biomasa residual]]></article-title>
<article-title xml:lang="en"><![CDATA[Mechanical-thermal modeling oriented to the design of a compaction chamber for densification of residual biomass]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabrales Contreras]]></surname>
<given-names><![CDATA[Huber]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arzola de la Peña]]></surname>
<given-names><![CDATA[Nelson]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Francisco de Paula Santander Departamento de Ingeniería Mecánica ]]></institution>
<addr-line><![CDATA[Cúcuta ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia Departamento de Ingeniería Mecánica y Mecatrónica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<volume>25</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-30332023000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-30332023000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-30332023000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La transición energética requiere de esfuerzos orientados en múltiples direcciones para explotación sostenible de la mayor cantidad de fuentes renovables disponibles. De particular interés para los países situados en regiones cálidas y con condiciones de suelos favorables resulta el aprovechamiento de la biomasa residual proveniente de cultivos agrícolas. Esta fuente renovable de energía presenta el inconveniente de su baja densidad aparente cuando sale de los sistemas de procesamiento de postcosecha, siendo necesaria su densificación para lograr una densidad energética que sea atractiva en términos económicos. En este artículo se presenta el modelamiento mecánico-térmico de una camisa de compactación de briqueteadora con fines de diseño de prototipo experimental. Se plantea como variables independientes los diámetros tanto interno como externo de la cámara de compactación; y, el tiempo de calentamiento para lograr una temperatura en la biomasa que produzca la activación de la lignina. Las simulaciones se realizaron manteniendo constante la potencia eléctrica de calentamiento, la longitud de trabajo de la camisa, la presión de compactación, y los materiales, entre otros factores de tipo geométrico. Por último, se realiza optimización geométrica para la camisa de compactación sujeto a una condición de resistencia mecánica y de potencia eléctrica de calentamiento fija. Como resultado del estudio se obtiene la mejor geometría de la camisa de compactación para lograr el mínimo uso de material, garantizando el menor tiempo de calentamiento y cumpliendo con la meta de esfuerzos permisibles de diseño. Este trabajo puede ser útil como guía para la actividad de diseño óptimo de camisas de compactación en equipos de densificación de biomasa.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The energy transition requires efforts oriented in multiple directions to achieve the sustainable exploitation of the largest amount of renewable energy sources available. Of particular interest for countries located in warm regions and with favorable soil conditions is the use of residual biomass from agricultural and forestry crops. This renewable source of energy has the disadvantage of its low apparent density when it leaves post-harvest processing systems, being necessary its densification to achieve an energy density attractive in economic terms. This article presents the mechanical and thermal modeling of a compaction chamber of a briquetting machine oriented to the design of an experimental prototype. The internal and external diameters of the compaction chamber are considered as independent variables and, as a response, the heating time to achieve a temperature in the biomass, to achieve the activation of the lignin. The preceding, keeping constant the electrical power installed in the compaction chamber, stroke length, compaction pressure, materials choice, among other geometric factors. Finally, a search is made for the minimum use of material for the compaction chamber subject to a condition of mechanical strength and a fixed electrical heating power. As a result of the study, the best geometry of the compaction chamber is obtained to achieve the minimum use of material, ensuring the shortest heating time, and meeting the goal of permissible design stress. This work can be useful as a guide for the optimal design activity of compaction chamber in biomass densification equipment.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[biomass densification]]></kwd>
<kwd lng="en"><![CDATA[compaction time]]></kwd>
<kwd lng="en"><![CDATA[mechanical-thermal modeling]]></kwd>
<kwd lng="en"><![CDATA[compaction chamber]]></kwd>
<kwd lng="en"><![CDATA[lignin activation]]></kwd>
<kwd lng="es"><![CDATA[Densificación de biomasa]]></kwd>
<kwd lng="es"><![CDATA[tiempo de compactación]]></kwd>
<kwd lng="es"><![CDATA[modelamiento mecánico-térmico]]></kwd>
<kwd lng="es"><![CDATA[cámara de compactación]]></kwd>
<kwd lng="es"><![CDATA[activación de la lignina]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Thermo-physical properties investigation in relation to deposition orientation for SLM deposited H13 steel]]></article-title>
<source><![CDATA[Thermochimica Acta]]></source>
<year>2020</year>
<volume>683</volume>
<page-range>178479</page-range></nlm-citation>
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</ref-list>
</back>
</article>
