New efficient design for air-air heat pumps

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Identificadores
URI: http://hdl.handle.net/10902/19595
ISBN: 978-84-611-9290-9
ISSN: 2172-038X
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Autoría
Renedo Estébanez, Carlos J.Autoridad Unican; Ortiz Fernández, AlfredoAutoridad Unican; Mañana Canteli, MarioAutoridad Unican; Delgado San Román, FernandoAutoridad Unican; Pérez Remesal, Severiano FidencioAutoridad Unican; Silió Salcines, DelfínAutoridad Unican; Ortiz Fernández, FélixAutoridad Unican
Fecha
2008-03
Derechos
© The European Association for the Development of Renewable Energies, Environment and Power Quality (EA4EPQ)
Publicado en
Renewable Energy and Power Quality Journal (RE&PQJ), 2008, 1(6), 804-808
International Conference on Renewable Energies and Power Quality (ICREPQ’08), Santander
Editorial
European Association for the Development of Renewable Energies, Environment and Power Quality (EA4EPQ)
Palabras clave
Reversible air-air heat pump
Efficiency
Return air
Exhaust air
Outdoor air
Resumen/Abstract
In this work a new design for reversible air-air heat pumps is proposed. This design is based on the inversion of the air flow on the ducts, instead of the refrigerant changeover, as is proposed by ASHRAE. Thanks to this modification it is possible to use any conventional air-air refrigeration machine for air conditioning as a reversible heat pump. The new design is more efficient, especially when a great air quality it is required in the building and therefore a larger amount of outdoor air it is used. Compared with traditional designs it also increases the efficiency as the outdoor temperatures become more extreme. This improvement will make it possible to use heat pumps, with acceptable performances, in more rigorous climates than those in which they are used today.
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