Attalea butyracea, es una planta que posee una gran capacidad para la producción de aceite, la cual puede sobre pasar otras especies cultivadas en zonas tropicales, como la Palma africana, (Elaeis Guineensis). El objetivo principal de la investigación fue aprovechar el fruto de la Palma Real (Attalea Butyracea) en la obtención de aceite como alternativa de explotación, Se evaluó inicialmente el mejor tamaño de partícula para la etapa de extracción sólido-liquido, el aceite obtenido se analizó fisicoquímicamente, y así mismo, se realizó el análisis de la composición de ácidos grasos empleando análisis por cromatografía gases acoplada a masas. Los datos obtenidos fueron analizados mediante con el programa estadistico SPSS versión 17, mediante técnica estadística Anova un factor y determinar el mejor tamaño de partícula para la extracción de aceite. Los análisis físico-químico realizados al aceite extraído de Attalea butyracea fue clasificado como un aceite tipo palmiste; el cual presentó un elevado porcentaje de saturación, lo cual favorece la estabilidad oxidativa, por lo que el aceite obtenido de Attalea butyracea, posee alto potencial para ser aprovechado como biocombustible.
The present study focused on the analysis of a new geometrical modification of the conventional zig-zag channel for Printed Circuit Heat Exchangers. The research was carried out using OpenFOAM and Salome software, which were used for the CFD analysis and the construction of the computational domain. For the development of the study, three types of channel geometries were defined: a modified zig-zag channel, a conventional zig-zag channel, and a straight channel. The results show that the modified zig-zag channel achieves better thermal hydraulic performance compared to that of the conventional zig-zag channel, evidenced by a 7.6% increase in the thermal performance factor. The modified zig-zag channel proposed in the research caused a 1.5% reduction of the power consumption of supercritical Brayton cycle compressors. Additionally, the modified zig-zag channel achieves a maximum efficiency of 49.1%, which is 1.5% higher compared to that of the conventional zig-zag channel. The above results caused a 20.9% reduction of the operating costs of the supercritical Brayton cycle. This leads to a 5.9% decrease in the cost associated with using the PCHE compared to that of the conventional zig-zag channel. In general, the new geometric characteristics proposed for the conventional zig-zag channel minimize the high loss of the hydraulic performance without significantly compromising its heat transfer capacity. The geometric analysis of the proposed new zig-zag channel geometry was limited to evaluating the influence of the bend angle of 20–30°. Therefore, a more detailed geometric optimization process involving other geometric parameters of the channel is still needed. Future research will be focused on addressing this approach.
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