Thermal performance of helical coils with reversed loops and wire coil inserts

•Modified helical coils with reversed loops and wire coil inserts exhibit unique flow and heat transfer characteristics.•The thermal performance of traditional helical coils can be improved by adding reversed loops with wire coil inserts.•New friction factor and heat transfer correlations for helica...

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Bibliographische Detailangaben

Veröffentlicht in:	International journal of heat and mass transfer 2020-01, Vol.146, p.118723, Article 118723
Hauptverfasser:	Wang, Yi, Alvarado, Jorge L., Terrell, Wilson
Format:	Artikel
Sprache:	eng
Schlagworte:	Coils Configurations Convective heat transfer Dean number Friction factor Heat exchanger Heat transfer Helical coils Inserts Nusselt number Passive heat transfer enhancement Pressure drop Turbulence promoter Wire Wire coil spring inserts
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