34   Artículos

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en línea
Yamile Díaz Torres,Yarelis Valdivia Nodal,José Pedro Monteagudo Yanes,Yudit Miranda Torres     Pág. 35 - 44
The article presents an analysis of technical and economic feasibility of using two configurations of solar cooling in a Cuban hotel. HVAC hybrid schemes are: a cooler of ice water vapor compression (chiller) interconnected in parallel with a smaller cap... ver más
Revista: Revista CientÍ­fica de IngenierÍ­a Energética    Formato: Electrónico

 
en línea
Yamile Díaz Torres,José Pedro Monteagudo Yanes,Debrayan Bravo Hidalgo     Pág. 38 - 49
El artículo presenta los resultados del análisis energético de un sistema híbrido de climatización en los hoteles cubanos. Se efectuó el cálculo de una instalación de climatización por absorción asistido con energía solar, interconectada en serie con un ... ver más
Revista: Revista CientÍ­fica de IngenierÍ­a Energética    Formato: Electrónico

 
en línea
Anatolijs Borodinecs, Kristina Lebedeva, Natalja Sidenko and Aleksejs Prozuments    
Evaporative cooling is widely recognized as an energy efficient and environmentally-friendly air conditioning solution, and it has drawn a lot of market interest in recent years. However, this technology is accompanied by several challenges. For instance... ver más
Revista: Clean Technologies    Formato: Electrónico

 
en línea
Er Shi, Farkhondeh Jabari, Amjad Anvari-Moghaddam, Mousa Mohammadpourfard and Behnam Mohammadi-ivatloo    
This paper presents a novel framework for economic cooling load dispatch in conventional water-cooled chillers. Moreover, information gap decision theory (IGDT) is applied to the optimal chiller loading (OCL) problem to find the optimum operating point o... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Juan Pablo Vargas Bautista    
A case study of a Heat Recovery System is performed in an industrial furnace that uses natural gas to determine the absorption cooling capacity (LiBr ? Water) that can be generated for air conditioning. The energy source will be the heat of the flue gas ... ver más
Revista: Investigación & Desarrollo    Formato: Electrónico

 
en línea
Yamile Díaz Torres,Mario Álvarez Guerra Plasencia,Percy Viego Felipe,Gustavo Crespo Sánchez,Manuel Diaz Gonzalez    
The design of a chiller plant refers to determining the cooling capacity of the system and its configuration. Its configuration is given by the type and total of chillers, the distribution of the nominal load and the hydraulic arrangement between them. D... ver más
Revista: Revista CientÍ­fica de IngenierÍ­a Energética    Formato: Electrónico

 
en línea
Adil Al-Falahi, Falah Alobaid and Bernd Epple    
The electrical power consumption of refrigeration equipment leads to a significant influence on the supply network, especially on the hottest days during the cooling season (and this is besides the conventional electricity problem in Iraq). The aim of th... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Yamile Díaz Torres,Mario Álvarez Guerra Plasencia,Percy Viego Felipe,Gustavo Crespo Sánchez,Manuel Diaz Gonzalez    
The design of a chiller plant refers to determining the cooling capacity of the system and its configuration. Its configuration is given by the type and total of chillers, the distribution of the nominal load and the hydraulic arrangement between them. D... ver más
Revista: Revista CientÍ­fica de IngenierÍ­a Energética    Formato: Electrónico

 
en línea
Jesús Armando Aguilar-Jiménez, Nicolás Velázquez, Ricardo López-Zavala, Luis A. González-Uribe, Ricardo Beltrán and Luis Hernández-Callejo    
In this work, we present an absorption cooling system with 35 kW capacity driven by solar thermal energy, installed in the school of Puertecitos, Mexico, an off-grid community with a high level of social marginalization. The cooling system provides therm... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Luciano De Tommasi, Hassan Ridouane, Georgios Giannakis, Kyriakos Katsigarakis, Georgios N Lilis and Dimitrios Rovas    
This paper presents work undertaken as part of the European H2020 project OptEEmAL (Optimized Energy Efficient Design Platform for Refurbishment at District Level), toward development of a decision-support platform for building and district refurbishment... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Alvaro Antonio Ochoa Villa, José Ângelo Peixoto da Costa, Carlos Antonio Cabral dos Santos     Pág. e34969
This paper sets out to examine a small absorption chiller that uses the pair LiBr/ H2O with a 4.5 kW nominal capacity, using theoretical modeling and the characteristic equation method. The idea is to compare two ways of simulating and evaluating absorpt... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Muharrem Imal, Koray Yilmaz and Ahmet Pinarbasi    
Increasing attention has been given to energy utilization in Turkey. In this report, we present an energy efficiency evaluation and economic feasibility analysis of a geothermal heating and cooling system (GSHP) and a mechanical compression water chiller... ver más
Revista: Sustainability    Formato: Electrónico

 
en línea
Ratha Z. Mathkor, Brian Agnew, Mohammed A. Al-Weshahi and Fathi Latrsh    
This paper reports on a study of the modelling, validation and analysis of an integrated 1 MW (electrical output) tri-generation system energized by solar energy. The impact of local climatic conditions in the Mediterranean region on the system performan... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Alvaro Antonio Ochoa Villa, José Carlos Charamba Dutra, Jorge Recarte Henríquez Henríquez, Carlos Antonio Cabral do Santos, José Ângelo Peixoto da Costa     Pág. e35173
This work aims to transient performance of chiller single effect absorption refrigeration using the LiBr/H2O pair with nominal capacity of 35 kW. The goal of this study is to verify the absorption chiller when subjected to thermal loads and it transientl... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Alvaro Antonio Ochoa Villa, José Carlos Charamba Dutra, Jorge Recarte Henríquez Henríquez, Carlos Antonio Cabral do Santos, José Ângelo Peixoto da Costa (Author)     Pág. e35173
This work aims to transient performance of chiller single effect absorption refrigeration using the LiBr/H2O pair with nominal capacity of 35 kW. The goal of this study is to verify the absorption chiller when subjected to thermal loads and it transientl... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Muddasir Naeem, Tayyab Imran, Mukhtar Hussain and Arshad Saleem Bhatti    
A low-cost medium-power carbon dioxide (CO2) laser system is designed, constructed, and characterized to produce coherent, monochromatic laser radiation in the infrared region. The laser cavity is simulated and designed by using ZEMAX optic studio. A swi... ver más
Revista: Instruments    Formato: Electrónico

 
en línea
Alvaro Antonio Ochoa Villa, José Ângelo Peixoto da Costa, Carlos Antonio Cabral dos Santos (Author)     Pág. e34969
This paper sets out to examine a small absorption chiller that uses the pair LiBr/ H2O with a 4.5 kW nominal capacity, using theoretical modeling and the characteristic equation method. The idea is to compare two ways of simulating and evaluating absorpt... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Hugo F. Zuñiga-Puebla,E. C. Vallejo-Coral,Jose Ramon Vega Galaz    
Se han desarrollado modelos termodinámicos de enfriadores de agua por absorción de una etapa y ciclo no común de dos etapas que usan calor de desecho (de motores de combustión interna de 8,7 MW cada uno) para analizar las condiciones de operación de los ... ver más
Revista: Ingenius. Revista de Ciencia y TecnologÍ­a    Formato: Electrónico

 
en línea
Iftikhar Bashir Butt, Jinwang Tan, Adeel Waqas, Majid Ali, Adeel Javed and Asfand Yar Ali    
Performance of solar absorption cooling systems (SACS) is the focus of contemporary studies for decreasing the electrical energy consumption of buildings as the conventional cooling system of buildings is the main consumer of electrical energy during the... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Tatenda J. Bvumbe, Freddie L. Inambao    
The demand for air conditioning is increasing due to changing architectural trends and increased standards of living and indoor comfort conditions. Coupled to this, refrigerants used in conventional refrigeration systems have detrimental effects on the e... ver más
Revista: Journal of Energy in Southern Africa    Formato: Electrónico

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