New printed circuit heat exchanger with S-shaped fins for hot water supplier

New printed circuit heat exchanger with S-shaped fins for hot water supplier

A new PCHE with an S-shaped fin configuration was applied to a hot water supplier in which cold water of 7 °C is warmed to 90 °C through heat-exchange with supercritical CO 2 of 118 °C and 11.5 MPa pressure. The fin and plate configurations were determined using 3D CFD simulations for the CO 2 side...

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Veröffentlicht in:Experimental thermal and fluid science 2006-08, Vol.30 (8), p.811-819
Hauptverfasser: Ngo, Tri Lam, Kato, Yasuyoshi, Nikitin, Konstantin, Tsuzuki, Nobuyoshi
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
CARBON DIOXIDE
Computational fluid dynamics
DESIGN
Devices using thermal energy
Energy
ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
Energy. Thermal use of fuels
Exact sciences and technology
FINS
HEAT EXCHANGERS
Heat exchangers (included heat transformers, condensers, cooling towers)
Hot water
Hot water supplier
Overall heat transfer coefficient
PRESSURE DROP
PRESSURE RANGE MEGA PA 10-100
Printed circuit heat exchanger
PRINTED CIRCUITS
Supercritical CO 2
SUPERCRITICAL STATE
Suppliers
TEMPERATURE RANGE 0273-0400 K
Three dimensional
Waste heat recovery
WATER HEATERS
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Zusammenfassung:A new PCHE with an S-shaped fin configuration was applied to a hot water supplier in which cold water of 7 °C is warmed to 90 °C through heat-exchange with supercritical CO 2 of 118 °C and 11.5 MPa pressure. The fin and plate configurations were determined using 3D CFD simulations for the CO 2 side and H 2O side and the thermal–hydraulic performance of hot water supplier was evaluated. Compared with a hot water supplier that is currently used in a residential heat pump, the new PCHE provides about 3.3 times less volume; and lower pressure drop by 37% in the CO 2 side and by 10 times in H 2O side.
ISSN:0894-1777
1879-2286
DOI:10.1016/j.expthermflusci.2006.03.010