<?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>2071-0054</journal-id>
<journal-title><![CDATA[Revista Ciencias Técnicas Agropecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cie Téc Agr]]></abbrev-journal-title>
<issn>2071-0054</issn>
<publisher>
<publisher-name><![CDATA[Universidad Agraria de La Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2071-00542018000400009</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Software for the Hydraulic Design of Central Pivot Irrigation Systems]]></article-title>
<article-title xml:lang="es"><![CDATA[Software para el diseño hidráulico de los sistemas de riego de pivote central]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Silva]]></surname>
<given-names><![CDATA[Maiquel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carmenates-Hernández]]></surname>
<given-names><![CDATA[Dayma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mujica-Cervantes]]></surname>
<given-names><![CDATA[Albi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paneque-Rondon]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciego de Ávila Facultad de Ciencias Técnicas Centro de Estudios Hidrotécnicos]]></institution>
<addr-line><![CDATA[ Ciego de Ávila]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Agraria de La Habana Facultad de Ciencias Técnicas ]]></institution>
<addr-line><![CDATA[San José de las Lajas Mayabeque]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>27</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2071-00542018000400009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2071-00542018000400009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2071-00542018000400009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT CurvePivot 2.0 software was developed for the hydraulic design of central pivot irrigation systems for specific operating conditions. The programming language that was used was C # with a simple interface for the user. The program was based on a mathematical model that considers hydrogeological, hydraulic, edaphic, agronomic and economic variables, through which the design flow is obtained quickly and efficiently with the lowest investment and operation cost of the irrigation system. In addition, other parameters are determined like efficiency and depletion of the well, radius of influence of the well, parameters of the centrifugal pump, operating point of the system, rainfall at the end of the lateral, diameters and lengths of the pipes, working pressure, tower number and speed of the last tower. This tool has been used in several agricultural companies in the province of Ciego de Ávila, Cuba.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se elaboró un software CurvePivot 2.0 para el diseño hidráulico de los sistemas de riego de pivote central para las condiciones específicas de operación. El lenguaje de programación que se utilizó fue C# con una interfaz sencilla para el usuario. El programa se fundamentó en un modelo matemático que considera variables hidrogeológicas, hidráulicas, edáficas, agronómicas y económicas, a través del cual, se obtiene de forma rápida y eficaz el caudal de diseño con el menor costo de inversión y operación del sistema de riego. Además se determina la eficiencia y abatimiento del pozo, radio de influencia del pozo, los parámetros de la bomba centrífuga, el punto de funcionamiento del sistema, la pluviosidad en el extremo del lateral, los diámetros y longitudes de las tuberías, presión de trabajo, número de torre y la velocidad de la última torre. Esta herramienta ha sido utilizada en varias empresas agrícolas de la provincia de Ciego de Ávila, Cuba.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[programming]]></kwd>
<kwd lng="en"><![CDATA[water]]></kwd>
<kwd lng="en"><![CDATA[energy]]></kwd>
<kwd lng="es"><![CDATA[programación]]></kwd>
<kwd lng="es"><![CDATA[agua]]></kwd>
<kwd lng="es"><![CDATA[energía]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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