Performance analysis of a solar-powered air-conditioning system using absorption refrigeration cycle and high efficiency cooling technologies installed in Colombia

Caterina Fella, Paolo Silva, Cesar I.A. Rolán

Resultado de la investigación: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

Resumen

In this work an analysis of the performance of solar absorption air-cooling system installed to a building office of the Bolivarian Pontifical University (UPB) of Medellín in Colombia is presented. The solar powered, single-effect Li-Br absorption cooling system using evacuated heat pipe collectors, has a nominal capacity of 11, 5 kW and it is implemented with a 17, 6 kW indirect evaporative cooler (iec), responsible to improve the energy efficiency and to renovate the air in the building, for a total cooling capacity of more than 29 kW (more than 8 refrigeration tons). A system of chilled water capillary mats is implemented for air conditioning, where the heat transfer takes place through a radiant ceiling, reducing recirculation airflow and increasing the temperature of chilled water supplied, allowing a reduction in energy consumption by airflow and an improvement in energy efficiency of the solar-powered absorption cooling system. The performance is evaluated for three main subsystems composing the air conditioning system the absorption chiller, the heat pipe evacuated tube collectors and the indirect evaporative cooler. A series of test-measurements (TMs) are carried out varying the value of one or more particular parameters that affects the performance. Some indicators, which describe the performance, are calculated and compared, so an evaluation of the different TMs is provided. In more is presented an economic comparison with a conventional scheme in order to assess the potential energy savings of the system, the simple payback period of the investment is calculated for different size and cooling demand for Colombian and Italian case.

Idioma originalInglés
Título de la publicación alojadaISES Solar World Congress 2017 - IEA SHC International Conference on Solar Heating and Cooling for Buildings and Industry 2017, Proceedings
EditoresDavid Renne, Steven Griffiths, Manuel Romero, Ken Guthrie, Daniel Mugnier
EditorialInternational Solar Energy Society
Páginas1699-1710
Número de páginas12
ISBN (versión digital)9783981465976
DOI
EstadoPublicada - 2017
Publicado de forma externa
EventoISES Solar World Conference 2017, SWC 2017 and 5th International Conference on Solar Heating and Cooling Conference for Buildings and Industry 2017, SHC 2017 - Abu Dhabi, Emiratos Árabes Unidos
Duración: 29 oct. 20172 nov. 2017

Serie de la publicación

NombreISES Solar World Congress 2017 - IEA SHC International Conference on Solar Heating and Cooling for Buildings and Industry 2017, Proceedings

Conferencia

ConferenciaISES Solar World Conference 2017, SWC 2017 and 5th International Conference on Solar Heating and Cooling Conference for Buildings and Industry 2017, SHC 2017
País/TerritorioEmiratos Árabes Unidos
CiudadAbu Dhabi
Período29/10/172/11/17

Nota bibliográfica

Publisher Copyright:
© 2017. The Authors.

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