Navegação por autor "Sagastume Gutierrez, Alexis"
Itens para a visualização no momento 1-20 of 20
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Assessment of the energy efficiency estimation methods on induction motors considering real-time monitoring
Sousa Santos, Vladimir; Cabello Eras, Juan Jose; Sagastume Gutierrez, Alexis; Cabello Ulloa, Mario Javier (Measurement, 2018)Different methods have been developed to estimate the energy efficiency of induction motors. The accuracy of these methods vary with the load factor, the unbalanced voltage (UV) and harmonics. The feasibility of these ... -
The biomass based electricity generation potential of the Province of Cienfuegos, Cuba
Sagastume Gutierrez, Alexis; Cabello Eras, Juan Jose; Hens, Luc M.A; Vandecasteele A., Carlo H. (Waste and Biomass Valorization, 2017)By 2013, the province of Cienfuegos in Cuba consumed about 5165 GWh of primary energy, of which an estimated 60 % was used to produce 767 GWh of electricity. 29 % of the primary energy was obtained from renewable fuel, and ... -
Bridging universities and industry through cleaner production activities. Experiences from the Cleaner Production Center at the University of Cienfuegos, Cuba
Cabello Eras, Juan Jose; Dunia García Lorenzo; Sagastume Gutierrez, Alexis; García Lorenzo, Dunia; Cogollos Martínez, Juan B.; Luc, Hens; Vandecasteele, Carlo H.A. (Journal of Cleaner Production, 2015)The involvement of universities is crucial to identify how Cleaner Production strategies are formed in practice so that companies integrate sustainability into their strategies. This paper discusses the experience of ... -
Calculation model and methodology for stiffness evaluation in hydraulics cylinders
Gómez Rodríguez, V.; Cabello Eras, Juan Jose; Varela Izquierdo, Noel; Hernandez Herrera, Hernan; Sagastume Gutierrez, Alexis (ARPN Journal of Engineering and Applied Sciences, 2017)In the paper an analysis scheme able to considerate of all the main geometric and load factors that affect the behavior of a hydraulic cylinder in its action as a flexural-compression member. Also, experimental validations ... -
The current potential of low-carbon economy and biomass-based electricity in cuba. The case of sugarcane, energy cane and marabu (dichrostachys cinerea) as biomass sources
Sagastume Gutierrez, Alexis; Cabello Eras, Juan Jose; Huisingh, Donald; Vandecasteele, Carlo H.A.; Hens, Luc M.A (Journal Of Cleaner Production, 2018-06-20)The emissions of greenhouse gases stand as a major threat of today. Moving towards CO2 neutral or low-carbon economies is a need to achieve sustainable development. This study assesses the potentialities to move Cuba towards ... -
Data supporting the assessment of biomass based electricity and reduced ghg emissions in Cuba
Sagastume Gutierrez, Alexis; Cabello Eras, Juan Jose; Vandecasteele A., Carlo H. (Data In Brief, 2018-02-25)Assessing the biomass based electricity potential of developing nations like Cuba can help to reduce the fossil fuels dependency and the greenhouse gas emissions. The data included in this study present the evolution ... -
Electricity management in the production of leadaAcid batteries: the industrial case of a production plant in Colombia
Sagastume Gutierrez, Alexis; Cabello Eras, Juan Jose; Sousa Santos, Vladimir; Hernández Herrera, Hernán; Hens, Luc M.A; Vandecasteele, Carlo H.A. (Journal Of Cleaner Production, 2018-07-06)Electricity stands as the main energy used for lead-acid battery (LAB) manufacturing. This study introduces an energy management methodology to address the electricity consumption in lead-acid battery plants, improving ... -
Energy management in the formation of light, starter, and ignition lead-acid batteries
Cabello Eras, Juan José; Sagastume Gutierrez, Alexis; Santos, Vladimir Sousa; Hernández Herrera, Hernan; BALBIS MOREJON, MILEN; Silva Ortega, Jorge Ivan; NORIEGA ANGARITA, ELIANA MARIA; Vandecasteele, Carlo H.A. (Energy Efficiency, 2018)This paper discusses energy management in the formation process of lead-acid batteries. Battery production and electricity consumption in during battery formation in a battery plant were analyzed over a 4-year period. The ... -
Environmental assessment of pig production in Cienfuegos, Cuba: Alternatives for manure management
Sagastume Gutierrez, Alexis; Cabello Eras, Juan Jose; Billen, Pieter; Vandecasteele, Carlo H.A. (Journal of Cleaner Production, 2016)As pork is indispensable in the diet of Cuban people, the government was forced to prioritize its production. Pig production causes several environmental impacts related with air, water and soil pollution, which can be ... -
Evaluation of air conditioning in commercial buildings, integrating thermography techniques, simulation and modeling by finite elements
Madrigal, José A; Cabello Eras, Juan Jose; Sagastume Gutierrez, Alexis; Balbis Morejon, Milen (Informacion Tecnologica, 2018-08)This study integrates different techniques to analyze some issues of the air conditioning system of a commercial establishment. A thermographic camera is used to assess the temperature profile in the area covered by the ... -
Factors Affecting the Electricity Consumption and Productivity of the Lead Acid Battery Formation Process. The Case of a Battery Plant in Colombia
Balbis Morejón, Milen; Cabello Eras, Juan José; Sagastume Gutierrez, Alexis; Sousa Santos, Vladimir; Pérez Gómez, Yabiel; Rueda-Bayona, Juan Gabriel (International Journal of Energy Economics and Policy, 2019-06-29)This study identifies the main factors affecting the electricity efficiency and productivity of the lead acid battery formation process. A representative sample of 12,286 battery formation processes, developed between ... -
Improved selection of the functional unit in environmental impact assessment of cement
Sagastume Gutierrez, Alexis; Cabello Eras, Juan José; Gaviria, Carlos A; Van Caneghem, Jo; Vandecasteele, Carlo H.A. (2017)The outcome of Life Cycle Assessment (LCA) studies is strongly influenced by the selection of the functional unit, which must be defined in such a way that, when products are compared, the amounts compared have identical ... -
Mathematical modeling of vertical movement of the upper shaft in cane mills
Cabello Ulloa, Mario Javier; Cabello Eras, Juan Jose; Moya Rodriguez, Jorge; Sagastume Gutierrez, Alexis; Hernandez Herrera, Hernan (Journal of Theoretical and Applied Information Technology, 2016)This study introduces a mathematical model to describe the floating effects of the top roll in sugarcane mills. The model is developed from experimental data measured during the operation of a sugarcane mill. The measured ... -
Municipal energy management model for Cuban first level municipalities
Correa Soto, Jenny; Cabello Eras, Juan José; Nogueira Rivera, Dianelys; Haeseldonckx, Dries; Sagastume Gutierrez, Alexis; Silva Oliveira, Luis Felipe (Journal of Engineering Science and Technology Review, 2018-12-29)The Government of Cuba proposed in the year 2011 an update of the economic and social model, where the management of energy is an element of influence in the economy of the country. This led to the approval of a policy ... -
On the evolution of “cleaner production” as a concept and a practice
Hens, Luc M.A; Block, Chantal; Cabello Eras, Juan Jose; Sagastume Gutierrez, Alexis; García Lorenzo, Dunia; Chamorro Gonzalez, Candy Lorena; Herrera Mendoza, Ketty; Haeseldonckx, Dries; Vandecasteele, Carlo H.A. (Journal Of Cleaner Production, 2018-06-20)“Cleaner Production“(CP) is about less and more efficient energy and materials use and the substitution of more harmful products (for the environment and health) by less dangerous ones. CP was the reply of the industry to ... -
Thermoeconomic evaluation and exergy efficiency of dissipative components: A new approach
Sagastume Gutierrez, Alexis; Cabello Eras, Juan Jose; Hernandez Herrera, Hernan (Journal of Engineering and Applied Sciences, 2018)Thermoeconomic evaluation alms at diagnosing the malfunction of energy systems and at optimizing their structure and performance. One of the main limitations of this approach is the adequate treatment of dissipative ... -
Tools to improve forecasting and control of the electricity consumption in hotels
Cabello Eras, Juan Jose; Sousa Santos, Vladimir; Sagastume Gutierrez, Alexis; Alvarez Guerra Plasencia, Mario; Haeseldonckx, Dries; Vandecasteele A., Carlo H. (Universidad de la Costa, 2016-07-27)Hotels are among the most energy intensive tourism facilities. To monitor and control the monthly and yearly energy consumption in hotels, different indicators have been proposed. These indicators, developed on yearly or ... -
University–industry interaction on cleaner production. The case of the cleaner production center at the university of cienfuegos in cuba, a country in transition
Hens, Luc M. A; Cabello Eras, Juan Jose; Sagastume Gutierrez, Alexis; García Lorenzo, Dunia; Cogollos Martínez, Juan B.; Vandecasteele A., Carlo H. (Universidad de la Costa, 2017)Universities are key stakeholders in teaching, researching and supporting the implementation of cleaner production activities. This case study discusses the experience of establishing and operating the Cleaner Production ... -
Validación estadística de un modelo de dinámica de fluidos computacional (CFD) optimizado con refinamiento de malla y funciones definidas por el usuario
Charris, Kevin ; Castañeda, Juan Pablo (Corporación Universidad de la CostaEnergiaBarranquilla, ColombiaIngeniería Eléctrica, 2022)In common refrigeration systems the energy source required for vapor compression is electricity, while in absorption systems its source is heat. Absorption refrigeration systems have gained ground in recent years, thanks ... -
Water footprint from growing potato crops in Cuba
Cabello Eras, Juan José; Sagastume Gutierrez, Alexis; López Bastida, Eduardo; Vandecasteele, Carlo H.A.; Hens, Luc M.A (Tecnologia y Ciencias del Agua, 2016)This article determines the water footprint from the potato crop in Cuba between the years 2009 and 2012 using the CROPWAT model. Climate, yields and fertilization data are specific to each of the areas where the crops ...