Extension of the characteristic equation to absorption chillers with adiabatic absorbers

Gutiérrez Urueta, Geydy; Rodríguez Aumente, Pedro A.; Ziegler, F.; Lecuona Newman, Antonio y Rodríguez Hidalgo, María del Carmen (2012). Extension of the characteristic equation to absorption chillers with adiabatic absorbers. "International Journal of Refrigeration", v. 35 (n. 3); pp. 709-718. ISSN 0140-7007. https://doi.org/10.1016/j.ijrefrig.2011.10.010.

Descripción

Título: Extension of the characteristic equation to absorption chillers with adiabatic absorbers
Autor/es:
  • Gutiérrez Urueta, Geydy
  • Rodríguez Aumente, Pedro A.
  • Ziegler, F.
  • Lecuona Newman, Antonio
  • Rodríguez Hidalgo, María del Carmen
Tipo de Documento: Artículo
Título de Revista/Publicación: International Journal of Refrigeration
Fecha: Mayo 2012
Volumen: 35
Materias:
Palabras Clave Informales: Absorption; Lithium bromide; Temperature difference; Chilled water; Air conditioning
Escuela: E.T.S.I. Navales (UPM)
Departamento: Sistemas Oceánicos y Navales [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Various researchers have developed models of conventional H2O–LiBr absorption machines with the aim of predicting their performance. In this paper, the methodology of characteristic equations developed by Hellmann et al. (1998) is applied. This model is able to represent the capacity of single effect absorption chillers and heat pumps by means of simple algebraic equations. An extended characteristic equation based on a characteristic temperature difference has been obtained, considering the facility features. As a result, it is concluded that for adiabatic absorbers a subcooling temperature must be specified. The effect of evaporator overflow has been characterized. Its influence on cooling capacity has been included in the extended characteristic equation. Taking into account the particular design and operation features, a good agreement between experimental performance data and those obtained through the extended characteristic equation has been achieved at off-design operation. This allows its use for simulation and control purposes.

Más información

ID de Registro: 22620
Identificador DC: http://oa.upm.es/22620/
Identificador OAI: oai:oa.upm.es:22620
Identificador DOI: 10.1016/j.ijrefrig.2011.10.010
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0140700711002556
Depositado por: Memoria Investigacion
Depositado el: 05 Abr 2014 07:53
Ultima Modificación: 21 Abr 2016 17:36
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