Ingeniería Mecánica
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Water Quality Evaluation of the Cabra River Using Biological Indicators
(2019 7th International Engineering, Sciences and Technology Conference (IESTEC), 2019-10-09)The objective of this study was to evaluate the water quality of the Cabra River through the use of aquatic macroinvertebrates implementing the EPT and BMWP/Pan indexes. The diversity of orders and families of macroinvertebrates ... -
Development of a Prototype for Solar Radiation Exploitation on Galvanized Metal Roofs in Panama
(2019 7th International Engineering, Sciences and Technology Conference (IESTEC), 2019-10-09)The solar energy is an inexhaustible resource available in many areas of our planet. The objective of this investigation is to develop a prototype that takes advantage of the incident solar energy on metal roofs of the ... -
Introduction to the Application of Phase Change Materials under Tropical Climate of Panama
(2019 7th International Engineering, Sciences and Technology Conference (IESTEC), 2016-10-09)Phase change materials (PCM) are materials with the ability to store a large amount of energy (latent heat) during their change from solid to a liquid phase. This takes place at a certain melting temperature. Amid the ... -
Computational Fluid Dynamics Simulation of Coal Gasification in a Circulating Fluidized Bed Reactor
(2019-10-09)One of the applications of coal as a fuel is the production of gas through circulating fluidized bed technology. The modeling of these systems allows verifying and optimizing the design and operation parameters of gasifiers ... -
OTEC Alternative for the Electric Power Generation in Panama
(2019 7th International Engineering, Sciences and Technology Conference (IESTEC), 2019-12-30)This document presents a qualitative analysis of surface temperatures of the oceanic territory of Panama. These temperatures represent an indication of the potential of the thermal resource in the oceanic territory of ... -
Biomass carbonization - Production and characterization of biochar from rice husks
(2019 7th International Engineering, Sciences and Technology Conference (IESTEC), 2019-12-30)El presente trabajo consistió en producir y caracterizar carbón vegetal a partir de la cascarilla de arroz. La cascarilla de arroz fue generada en un reactor de flujo ascendente tipo Top-lit. Este proceso fue favorable ... -
The Effect of Gasification Conditions on the Surface Properties of Biochar Produced in a Top-Lit Updraft Gasifier
(2020-01-19)The effect of airflow rate, biomass moisture content, particle size, and compactness on the surface properties of biochar produced in a top-lit updraft gasifier was investigated. Pine woodchips were studied as the feedstock. ... -
Characterization of Biochar from Rice Hulls and Wood Chips Produced in a Top-Lit Updraft Biomass Gasifier
(2016-01-01)The objective of this study was to characterize biochar produced from rice hulls and wood chips in a top-lit updraft gasifier. Biochar from four airflows (8, 12, 16, or 20 L min-1) and two insulation conditions (not insulated ... -
Airflow and insulation effects on simultaneous syngas and biochar production in a top-lit updraft biomass gasifier
(2017-10-11)The objective of this study was to understand the effect of airflow and insulation on syngas and biochar generations of rice hulls and woodchips in a top-lit updraft gasifier. Biochar yield decreased with increasing airflow. ... -
The Effect of Biomass Physical Properties on Top-Lit Updraft Gasification of Woodchips
(2016-04-12)The performance of a top-lit updraft gasifier affected by biomass (pine wood) particle size, moisture content and compactness was studied in terms of the biochar yield, biomass burning rate, syngas composition and tar ... -
Survival Engineering and the Game of Knowledge: A Ludic Form of Teaching and Learning in Engineering
(The Future of Higher Education in the Middle East and Africa, 03/27/2018)Within the engineering pedagogy, it must be remembered that students learn in many different ways: seeing, hearing, thinking, acting, drawing analogies, and building mathematical models in the area of science and technology. ... -
Project-based learning and use of the CDIO Syllabus for geology course assessment
(2014-07-06)This study provides an overview of the development of hard and soft skills from project-based curriculum planning, and suggests ways to evaluate them in the context of engineering education and their importance in the ... -
The Balance Score Card for the Design and Validation Instrumens to Measure the Academic Teachers´s Achievement and Performance
(2012-07-04)The evaluation of faculty work is critical for the university accreditation. Moreover, particularly sensitive to this related tendency of faculty work evaluation; it is necessary to go beyond the knowledge factor and ... -
Estilos digitales de estudiantes universitarios en C&T y aplicaciones didácticas de los SmartPhones en el salón de clases.
(2014-07-24)La actividad universitaria incluye la difusión y la adquisición de datos e informaciones, diseminada en múltiples bases de datos y en las más variadas posibilidades de acceso, gracias a la Internet. La inmersión de los ... -
Cuadro de mando integral para el diseño y validación de instrumentos para valorar el desempeño académico de docentes
(2009-12-22)La valoración de la labor docente es un pilar de la acreditación universitaria. En un momento, particularmente sensible relacionado a esta tendencia global y a la imagen que emerge de las diferentes unidades académicas y ... -
Remoção de íons de metais pesados com bentonitas modificadas
(2001-06-23)O presente trabalho apresenta o desenvolvimento de um material sorvente a partir de bentonitas brasileiras modificadas quimicamente com o objetivo de aumentar sua capacidade de sorção de metais pesados e seu valor agregado. ... -
Adsorption of Cu ions onto a 1.10 phenanthroline-grafted Brazilian bentonite
(2003-02-01)The grafting, by chemical adsorption, of molecular 1.10-phenanthroline (OP) onto some Brazilian bentonite (montmorillonites) was studied to improve their adsorptive capacities to remove Cu ions from synthetic wastewater. ... -
Advances in the adsorptive particulate flotation process
(09/18/2003)The removal of contaminants from liquid effluents by the adsorptive particulate flotation (APF) process, including new adsorbents and flotation devices, are reported. Herein, contaminants are adsorbed (and/or absorbed) ... -
Experimental research on the effects of water application on greenhouse gas emissions from beef cattle feedlots
(2014-04-30)The effect of water application (e.g., through rainfall or sprinkler system) on emissions of greenhouse gases (GHGs), such as nitrous oxide (N2O), methane (CH4), and carbon dioxide (CO2), from pen surfaces of open-lot beef ... -
Nitrous Oxide Fluxes from a Commercial Beef Cattle Feedlot in Kansas
(2014-03-10)Emission of greenhouse gases, including nitrous oxide (N2O), from open beef cattle feedlots is becoming an environmental concern; however, research measuring emission rates of N2O from open beef cattle feedlots has been ...