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An energy-efficient air-conditioning system for hydrogen driven cars

Linder, Marc and Kulenovic, Rudi (2011) An energy-efficient air-conditioning system for hydrogen driven cars. International Journal of Hydrogen Energy, 36 (4), pp. 3215-3221. Elsevier. doi: 10.1016/j.ijhydene.2010.11.101. ISSN 0360-3199.

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In this paper a new operation principle of an air-conditioning system for hydrogen driven cars is proposed and experimental results of a laboratory prototype are presented. The system is able to utilize the potential energy of the compressed hydrogen gas as main driving energy to generate a cooling effect usable for e.g. air-conditioning. Therefore, it is able to partially reuse the compression energy originally spent in order to increase the energy density of hydrogen but is so far wasted onboard. The underlying principle of the process is based on a chemical reaction of a metal hydride (Ti0.99Zr0.01V0.43Fe0.09Cr0.05Mn1.5) with hydrogen at different pressures and corresponding equilibrium temperatures. The laboratory prototype consists of two alternating capillary tube bundle reactors (together around 5 kg and 1.5 l) and is able to generate a quasi-continuous cooling effect at 13 °C in the order of 900 W.

Item URL in elib:https://elib.dlr.de/68868/
Document Type:Article
Title:An energy-efficient air-conditioning system for hydrogen driven cars
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Linder, Marcmarc.linder (at) dlr.deUNSPECIFIED
Kulenovic, RudiIKE, Universität StuttgartUNSPECIFIED
Date:3 January 2011
Journal or Publication Title:International Journal of Hydrogen Energy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.ijhydene.2010.11.101
Page Range:pp. 3215-3221
Keywords:Metal hydride Cooling system Air-conditioning Compressed hydrogen Sorption system
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Fahrzeugenergiesysteme (old)
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Thermal Process Technology
Deposited By: Linder, Marc Philipp
Deposited On:01 Mar 2011 15:41
Last Modified:10 Jan 2019 15:47

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