Listar Artículos de investigación por título
Mostrando ítems 1-20 de 248
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A comparative energy and exergy optimization of a supercritical-CO2 Brayton cycle and Organic Rankine Cycle combined system using swarm intelligence algorithms
(BarranquillaIngeniería MecánicaSede Norte, 2020-06-01)This article presents a multivariable optimization of the energy and exergetic performance of a power generation system, which is integrated by a supercritical Brayton Cycle using carbon dioxide, and a Simple Organic ...
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A comparative study of the energy, exergetic and thermo-economic performance of a novelty combined Brayton S-CO2-ORC configurations as bottoming cycles
(BarranquillaIngeniería MecánicaSede Norte, 2020-07-10)This paper presents a comparative study on the energy, exergetic and thermo-economic performance of a novelty thermal power system integrated by a supercritical CO2 Brayton cycle, and a recuperative organic Rankine ...
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A COMPREHENSIVE ANALYSIS OF CRITICAL VARIABLES USED TO DESIGN A SPRAY DRYER OF WHEY PROTEIN CONCENTRATES
(BarranquillaIngeniería QuímicaSede Norte, 2019-11-12)Five models of a spray dryer design for a whey protein process were analyzed in this study. These models include first principle approaches and empirical correlations. From a large set of given design specifications ...
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A COMPREHENSIVE STUDY OF BIOFILMS GROWING ON THE BUILT HERITAGE OF A CARIBBEAN INDUSTRIAL CITY IN CORRELATION WITH CONSTRUCTION MATERIALS
(BarranquillaSede Norte, 2020-02-01)Biodeteriogens growing on constructions belonging to the built heritage is one of the leading natural pathologies that cause aesthetical and in some cases, physical-geochemical problems in the materials. In this study, for ...
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A GENERALIZATION OF THE STRONGLY CESARO ´ IDEAL CONVERGENCE THROUGH DOUBLE SEQUENCE SPACES
(BarranquillaSede Norte, 2020-12-02)In this paper, some algebraic properties of Ces´aro double ideal convergent sequence spaces are defined and proved. Those spaces are defined as C I nm and C I 0nm. Furthermore, this paper shows some inclusion relations ...
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A Generalized of Nörlund Ideal Convergent Double Sequence Spaces
(BarranquillaSede Norte, 2021-10-29)In this paper, by using the Nörlund mean Nt and the notion of ideal double convergence, we introduce new sequence spaces c I2 0 (Nt ), cI2 (Nt ), and ℓ I2∞(Nt ). Besides, we study some topological and algebraic ...
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A Look to the Biogas Generation from Organic Wastes in Colombia
(BarranquillaSede Norte, 2020-06-25)In line with the goals of the Paris Agreement and the guidelines of Conpes 3874 of 2016, Colombia has adopted different strategies to optimize the use of biomass as an energy source and the management of materials in urban ...
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A Machine Learning based Method for Managing Multiple Impulse Purchase Products: An Inventory Management Approach
(BarranquillaIngeniería IndustrialSede Norte, 2021-04-02)Recently, some studies have begun to explore the potential that inventory management combined with machine learning algorithms could provide as a means of producing efficient and flexible inventory management methods. In ...
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A MILP facility location model with distance value adjustments for demand fulfillment using Google Maps
(BarranquillaIngeniería IndustrialSede Norte, 2021-10-13)In this article, a facility location model was designed to support logistics operations, considering service distance limitations for demand fulfillment and a list of candidate locations within a supply chain. Consequently, ...
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A new Colombian species of Liodessus diving beetles from the Páramo de Sumapaz (Coleoptera, Dytiscidae, Bidessini)
(BarranquillaBiologíaSede Norte, 2021-09-08)Liodessus picinus sp. nov. is described from the Páramo de Sumapaz near Bogota D.C. at 3,500 m above sea level. The species can be distinguished from the other Colombian Liodessus species by its dark coloration, discontinuous ...
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A New Educational Thermodynamic Software to Promote Critical Thinking in Youth Engineering Students
(BarranquillaSede Norte, 2019-12-22)This article presents the application of a new educational thermodynamic software called MOLECULARDISORDER, based on graphical user interfaces created in Matlab® to promote critical thinking in youth engineering students, ...
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A NOTE ON PRESERVATION OF SPECTRA FOR TWO GIVEN OPERATORS
(BarranquillaSede Norte, 2019-03-06)We study the relationships between the spectra derived from Fredholm the- ory corresponding to two given bounded linear operators acting on the same space. The main goal of this paper is to obtain sufficient conditions ...
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A NOTE ON SEMI-OPEN SETS IN TRICLOSURE SPACES
(BarranquillaSede Norte, 2020-12-29)In this paper, we used the notion of triclosure spaces to introduce and study the concept of semi-open set in triclosure spaces. Besides, we show some of their properties. Moreover, the notions of semi-continuous ...
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El acorde que muere cuando nace. Alteridad y ética del cuerpo sin órganos en la improvisación de jazz
(BarranquillaSede Norte, 2019-09-06)Nos adentramos en esos procesos de subjetivación en los que el músico de jazz experimenta en sí otras formas de corporalidad, que se dirimen entre sujeción a esquemas (Bourdieu) y ruptura de los corsés por una teatralidad ...
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Acrylic Bone Cement Incorporated with Low Chitosan Loadings
(BarranquillaSede Norte, 2020-07-21)Despite the potential of acrylic bone cement (ABC) loaded with chitosan (CS) for orthopedic applications, there are only a few in vitro studies of this composite with CS loading ≤ 15 wt.% evaluated in bioactivity tests ...
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Acrylic Bone Cements Modified with Graphene Oxide: Mechanical, Physical, and Antibacterial Properties
(BarranquillaSede Norte, 2020-08-07)Bacterial infections are a common complication after total joint replacements (TJRs), the treatment of which is usually based on the application of antibiotic-loaded cements; however, owing to the increase in ...
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Activated carbon from cassava peel: a promising electrode material for supercapacitors
(BarranquillaIngeniería QuímicaSede Norte, 2019-08-10)Supercapacitors are conventional devices in electrical circuits that produce electrical pulses at high power levels in short periods. Electrodes for supercapacitors were prepared with activated carbon. Activated carbon was ...
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Actividad anticoagulante in vitro del extracto etanólico de las hojas de dos especies de la familia Euphorbiaceae
(BarranquillaQuímicaSede Norte, 2021-12-06)Las enfermedades cardiovasculares (ECV) son un conjunto de trastornos del corazón y de los vasos sanguíneos, que constituyen la principal causa de mortalidad en el mundo. En la búsqueda de alternativas para esta problemática, ...
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Los acuerdos y la idealización del palenque en la provincia de Cartagena: el caso del Totumo (1714-1767)
(BarranquillaSede Norte, 2019-03-07)Si bien la vía militar ha sido el mecanismo más publicitado con el cual se intentó resolver los conflictos que se presentaron entre los cimarrones y las autoridades coloniales, no fue el único. Prueba de esto, el presente ...
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ADHD Endophenotypes in Caribbean Families
(BarranquillaSede Norte, 2018-03-28)Objective: The aim of this study is to contrast the genetics of neuropsychological tasks in individuals from nuclear families clustering ADHD in a Caribbean community. Method: We recruited and clinically characterized 408 ...
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