B. Investigación: Recent submissions
Now showing items 221-240 of 1587
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Evaluation of the fire resistance of steel-reinforced concretefilled steel tubular columns with a circular cross-section
(Journal of Physics: Conference SeriesReino Unido, 2022-01-06)In the present investigation, an analysis of the fire resistance of the steel-reinforced concrete-filled steel tubular columns with circular cross-sections was carried out by means of numerical simulation. The development ... -
Silver colloidal nanoparticles by electrochemistry: temporal evaluation and surface plasmon resonance
(Reino Unido, 2021-06-04)The electrochemical technique for obtaining silver nanoparticles has advantages over other methods. For the synthesis, a colloidal silver generator (Colloidal Silver Generator® model 1001) was used, where two electrodes ... -
Resistance under Marshall monotonic load for asphalt concrete mixtures
(Journal of Physics: Conference SeriesReino Unido, 2022-01-06)The dense hot MDC-19 type asphalt mixes are considered, by the “Instituto Nacional de Vías” in Colombia, as continuous grading asphalt mixes (asphalt concrete). These constitute most of the surface course, in the structures ... -
First International Seminar on Physical Infrastructure (1st ISPI)
(Journal of Physics: Conference SeriesReino Unido, 2022-01-06)The First International Seminar on Physical Infrastructure (1st ISPI) was an academic and scientific event organized by the Road Infrastructure Research Group and the Road Infrastructure Research Seedbed of the Universidad ... -
Electrochemical synthesis of titanium dioxide nanostructures and its application in the in dye photocatalytic removal
(Reino Unido, 2021-06-04)By electrochemical anodization to titanium sheets, titanium dioxide nanostructures were sintered for 10 V and 20 V and times of 3 hours and 5 hours. For the electrolytic solution, 0.3 g of ammonium fluoride, 97 mL of ... -
Interpreting the slope of a straight line in kinematics graphs with school students
(Journal of Physics: Conference SeriesReino Unido, 2022-01-10)The interdisciplinary nature of knowledge is one of the objectives promoted in Colombia, fostering in students the ability to recognize that the curriculum does not work in isolation; if knowledge is complementary, its ... -
Anticorrosive evaluation of copper-iron mixtures processed by powder metallurgy
(Rasayan Journal of ChemistryIndia, 2021)Through the powder metallurgy process, copper and iron powders were mixed in the proportions Cu between 15% to 75% and iron from 25% to 85% that made up the binary material systems. Material systems were topographically ... -
Wear synergy of copper-iron mixtures processed by powder metallurgy
(Rasayan Journal of ChemistryIndia, 2021)Through the powder metallurgy process, copper and iron powders were mixed in the proportions Cu between 15% to 75% and iron from 25% to 85% that made up the binary material systems. The X-ray diffraction technique was ... -
Implementation of an automated dryer with solar collector
(Journal of Physics: Conference SeriesReino Unido, 2022-01-10)This research work consists of the development of an automated sustainable drying system using forced and preheated air to reduce the production time of handmade bricks, so a dryer witha solar collector wasimplemented ... -
Numerical and Experimental Analysis of the Potential Fuel Savings and Reduction in CO Emissions by Implementing Cylinder Bore Coating Materials Applied to Diesel Engines
(LubricantsSuiza, 2021-02-18)Currently, internal combustion engines contribute to the problem of global warming due to their need to use products derived from fossil resources. To mitigate the above problem, this study proposes the use of coatings ... -
Modelling of DHA Production from S. Limacinum ouc88: fed-batch perspectives
(Reino Unido, 2021-09-12)Biotechnology and its need to improve industrial processes have shown the need for techniques that allow processes optimization. Computer simulation offers the advantage of determining production prospects without ... -
Gestión pública en una ciudad fronteriza colombiana: La mirada de sus habitantes
(Revista de Ciencias SocialesColombia, 2021-08)La gestión pública eficiente busca generar actuaciones transparentes que logren satisfacer necesidades básicas de los habitantes. El objetivo del artículo es identificar las percepciones de habitantes de la ciudad ... -
Operating Mode Effect on Lipids Production from Rhodotorula mucilaginosa: Modelling and Simulation Trends
(Reino Unido, 2021-09-12)A sustainable alternative for fossil fuels substitution is the production of biodiesel from natural lipids. Mainly, such oil used is in the form of triglycerides and is characterized by being potentially renewable, ... -
Thermodynamics performance optimization of a hybrid solar gas turbine power plant in Colombia
(Journal of Physics: Conference SeriesReino Unido, 2022-02-10)A thermodynamic model is presented for evaluation of a solar hybrid gas-turbine power plant. The model uses variable ambient temperature and estimates direct solar radiation at different day times. The plant is evaluated ... -
Influence of compression rings on the dynamic characteristics and sealing capacity of the combustion chamber in diesel engines
(LubricantsSuiza, 2021-03-02)Internal combustion engines are widely implemented in several applications; however, they still face significant challenges due to the sealing capacity of the compression rings. Gas leakage through the crankcase, also ... -
Dynamic Simulation of Bioethanol Production from Banana Rejected using Flocculating Yeast
(Reino Unido, 2021-09-12)A dynamic model is presented to simulate a fermentation process for bioethanol production from banana rejected using a batch system. The critical model feature is using an inhibition function to relate substrate concentration ... -
Construcción sostenible en Colombia: Análisis a partir del Proyecto de Ley No. 208/2019 Cámara
(Revista de Ciencias Sociales (RCS)Colombia, 2021)La industria de la construcción es una de las principales fuentes de contaminación en la actualidad, y por ello, las leyes destinadas a mitigar su impacto, resultan indispensables frente a problemas estructurales como ... -
Problem solving in the physics classroom. An analysis with secondary school students
(Journal of Physics: Conference SeriesReino Unido, 2022-01-10)The teaching of science, and specifically physics, has been associated with the acquisition of knowledge with a particular emphasis on problem solving, as an activity that brings students closer to the methodology and ... -
Dynamic Modeling of Tannase Production from Bacillus cereus: A Framework Simulation based on Fed Batch Strategy
(Reino Unido, 2021-09-12)Tannase enzyme is a metabolite of great interest in the industry. Typical examples of its use can be found in wines and beer production, beverage and juice fruits clarification and leather production. However, tannase ... -
Economic and Environmental Multiobjective Optimization of a Hybrid Power Generation System using Solar and Wind Energy Source
(International Journal of Energy Economics and PolicyTurquía, 2022-01-19)This article presents a comparison of energy generation using two methods of power production for different geographical locations. For this comparison, the HOMER software was used, which allows simulating generation systems ...