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Titel:
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Thermally driven ammonia-salt type II heat pump: development and test of a prototype
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Auteur(s):
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Gepubliceerd door:
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Publicatie datum:
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ECN
Efficiency & Infrastructure
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17-9-2009
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ECN publicatienummer:
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Publicatie type:
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ECN-M--09-059
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Conferentiebijdrage
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Aantal pagina's:
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Volledige tekst:
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12
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Download PDF
(397kB)
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Gepresenteerd op: Heat Powered Cycles Conference 2009, Berlin, Germany, 7-9 september 2009.
Samenvatting:
ECN developed together with Bronswerk Heat Transfer Inc. a thermally driven prototype heat pump that uses ammonia adsorption/desorption on the salts LiCl and MgCl2 for respectively low and high temperature reactor. Measurements on this prototype have been conducted to determine its peak power production, its achievable temperature lift and cyclic stability. The measurements show a peak power production of about 600W with an average output of 300W. Data-analysis suggests that the power output is limited by heat transfer rather than kinetics. The temperature lift that has been shown on the setup is 50ºC, from 130ºC to 180ºC. Cyclic stability test show consistent, reproducible output during for more than 100 cycles.
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