Browsing Ingeniería Mecánica by Title
Now showing items 12-31 of 44
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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 ... -
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 ... -
A Critical Review onMathematical Descriptions to Study Flux Processes and Environmental-Related Interactions ofMangroves
(MDPI, 2021-06-21)Trees are resources that provide multiple benefits, such as the conservation of fauna, both terrestrial and marine, a source of food and raw material, and offering protection in storms, which makes it practical to understand ... -
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 ... -
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 ... -
Development of a neural network model to predict distortion during the metal forming process by line heating
(2013-01)In order to achieve automation of the plate forming process by line heating, it is necessary to know in advance the deformation to be obtained under specific heating conditions. Currently, different methods exist to predict ... -
Development of a Prototype for Solar Radiation Exploitation on Galvanized Metal Roofs in Panama
(2019 7th International Engineering, Sciences and Technology Conference (IESTEC)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 ... -
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 ... -
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. ... -
Effect of phase transformation onset temperature on residual stress in welded thin steel plates
(2008-12)The effect of solid-state phase transformation at low temperature on residual stresses in butt welded ferritic thin steel plates has been examined employing a finite element (FE) code. An algorithm considering the solidstate ... -
Estado del Arte de la Calificación Profesional de Inspectores de Soldadura en Panamá
(2006-10)La actualización y el reconocimiento de las capacidades de profesional involucrado en actividades de soldadura, son esenciales para garantizar la calidad y seguridad de los productos y servicios prestados. Para mejorar y ... -
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 ... -
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 ... -
Impacto economico de la crisis COVID-19 sobre la MIPYME en Panamá
(2021-01-01)La Pandemia provocada por el Covid-19 ha impactado a la economía de nuestro país de una manera muy contundente. Las cifras revelan un impacto negativo de 17.9% en el PIB 2020 de forma general y en particular para las Micro, ... -
Influential factors affecting inherent deformation during plate forming by line hating (Report 1) - the effect of plate size and edge effect
(2007-09)The authors aim to propose an accurate and practical method to predict the deformation of actual plates of large size such as those used in shipbuilding. This method is to be used to improve the accuracy of an automatic ... -
Inspection of Biomimicry Approaches as an Alternative to Address Climate-Related Energy Building Challenges: A Framework for Application in Panama
(2020-06-01)In the Panama context, energy consumption in the building sector is mostly related to the conditioning of indoor spaces for cooling and lighting. Different nature strategies can be mimic to strongly impact these two aspects ... -
Introduction to the Application of Phase Change Materials under Tropical Climate of Panama
(2019 7th International Engineering, Sciences and Technology Conference (IESTEC)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 ... -
Matriz "Importance performance analysis" de atributos criticos de satisfaccion de clientes en ciencia y tecnologia y medidas correctivas frente a la acreditacion institucional
(2013-10)La satisfacción del alumno es un pilar del marketing universitario. En un momento, particularmente sensible relacionado al mercado universitario, a la acreditación institucional y a la imagen que emerge de las diferentes ... -
Morphological Characterization of Brazilian Organ Clays Using AFM and SEM Studies
(2013-05)A combination of SEM (Scanning Electron Microscopy) and AFM (Atomic Force Microscopy) techniques was used to characterise the morphology of Brazilian montmorillonites before and after intercalation of some organic compounds. ... -
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 ...