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ECN publicatie:
Titel:
Solid/vapour sorption heat transformer: Design and performance
 
Auteur(s):
Haije, W.G.; Veldhuis, J.B.J.; Smeding, S.F.; Grisel, R.J.H.
 
Gepubliceerd door: Publicatie datum:
ECN Energie Efficiency in de Industrie 12-2-2007
 
ECN publicatienummer: Publicatie type:
ECN-W--07-016 Artikel wetenschap tijdschrift
 
Aantal pagina's:
7  

Gepubliceerd in: Applied Thermal Engineering (Elsevier), , 2007, Vol.27, p.1371-1376.

Samenvatting:
A high temperature high lift solid sorption based heat transformer has been successfully designed and tested. The sorption reactor concept is based on a tube-fin heat exchanger where the heat exchanging fluids can flow through the hollow fins. The plates were brazed together with porous metal foam that was impregnated with either of the sorbents, LiCl an dMgCl2. The adsorbate is ammonia. The batch system was tested as to the power deliverd at high temperatures, 150-200 C. Peak power at 200 C was about 0.8kW, the average power about 0.4kW. The terminal efficiency, COP, was calculated from the experimental results to be 0.11. This is only 40% of the expected theoretical value and can largely be attributed to the thermal mass of the ractor.


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