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Determinación de la conductividad térmica de menas lateríticas a partir del método de Hot-Ball


 
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Minería y Geología

 ISSN 1993-8012

ZALAZAR-OLIVA, Carlos; GONGORA-LEYVA, Ever; RETIRADO-MEDIACEJA, Yoalbys    SANCHEZ-ESCALONA, Andrés Adrian. Determinación de la conductividad térmica de menas lateríticas a partir del método de Hot-Ball. []. , 35, 4, pp. 419-429. ISSN 1993-8012.

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La conductividad térmica de las menas lateríticas se determinó mediante el método transitorio conocido comúnmente como Hot-Ball. Para ello se construyó una instalación experimental y se aplicó un diseño de experimento que analiza el comportamiento de esta propiedad para tres valores de temperatura. Se obtuvo que la conductividad térmica de la laterita adquiere valores de 1,5 W/(m·K) a 3,5 W/(m·K). Se establece un modelo ajustado con una correlación de 0,98 que estima el valor de la conductividad térmica de las menas lateríticas para los rangos de temperatura de 40 ºC a 70 ºC.

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The thermal conductivity of lateritic ores was determined by using the transitory commonly known Hot- Ball method. An experimental facility was built and an experimental design was used for analyzing the property performance for three temperature values. It was obtained the thermal conductivity of lateritic reaches values from 1.5 to 3.5 W/ (m.k). An adjusted model of 0.98 correlations that estimates the thermal conductivity for the lateritic ores with temperature ranges of 40 °C to 70 °C was established.

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