An assessment of models for predicting refrigerant characteristics in adiabatic and non-adiabatic capillary tubes

Small vapor compression refrigeration systems incorporate a non-adiabatic capillary tube called a capillary tube-suction line heat exchanger (SLHX) in order to improve performance. The thermodynamic properties of the refrigerant in the capillary tube and suction pipe are influenced by associated phe...

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Veröffentlicht in:Heat and mass transfer 2011-02, Vol.47 (2), p.163-180
Hauptverfasser: Kim, Lyun-Su, Son, Ki-dong, Sarker, Debasish, Jeong, Ji Hwan, Lee, Sung Hong
Format: Artikel
Sprache:eng
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Zusammenfassung:Small vapor compression refrigeration systems incorporate a non-adiabatic capillary tube called a capillary tube-suction line heat exchanger (SLHX) in order to improve performance. The thermodynamic properties of the refrigerant in the capillary tube and suction pipe are influenced by associated phenomena. This study compares various relevant models. Based on the comparison recommended correlations were selected and the simulation results show that the friction factor model has the most dominant.
ISSN:0947-7411
1432-1181
DOI:10.1007/s00231-010-0697-0