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Main Title: A 10 kW indirectly fired absorption heat pump
Subtitle: Concepts for a reversible operation
Author(s): Kühn, Annett
Özgür-Popanda, Christian
Ziegler, Felix
Type: Book Part
Language: English
Language Code: en
Abstract: In the last decade several small and medium sized solar or waste heat driven chillers have been developed and brought to market. Nevertheless, in Central Europe where many of these chillers are installed, the required cooling period of buildings is rather short. By using them as a heat pump during winter time their operating period can be extended in order to shorten the payback period and increase the cost effectiveness, and at the same time, the benefit to the environment is increased. From a thermodynamical point of view it is possible to run a chiller also as a heat pump, but in practice there are restrictions in application due to the dependency of the driving temperature and the temperatures of heat source and heat sink. Using the example of a 10 kW H2O/LiBr absorption chiller, constraints of and demands on different possible peripheral systems (heat sources and heat sinks) for the reversible operation have been investigated. In the paper we present combinations which are favorable, and others which should be avoided from a primary energy point of view.
URI: urn:nbn:de:kobv:83-opus4-62008
Issue Date: 2013
Date Available: 16-Jan-2015
DDC Class: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Subject(s): Absorption
Heat pump
Heat sources
Reversible operation
Thermally driven
Book Title: Thermally driven heat pumps for heating and cooling
Publisher: Universitätsverlag der TU Berlin
Publisher Place: Berlin
Page Start: 173
Page End: 184
Notes: Part of: Thermally driven heat pumps for heating and cooling. – Ed.: Annett Kühn – Berlin: Universitätsverlag der TU Berlin, 2013 ISBN 978-3-7983-2686-6 (print) ISBN 978-3-7983-2596-8 (online) urn:nbn:de:kobv:83-opus4-39458 []
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