NDLI: Evaluation of Enhanced Heat Transfer within a Four Row Finned Tube Array of an Air Cooled Steam Condenser

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Evaluation of Enhanced Heat Transfer within a Four Row Finned Tube Array of an Air Cooled Steam Condenser

Content Provider	Semantic Scholar
Author	Banerjee, Rupak K. Karve, Madhura Ha, Jong Ho Hwan, Dong Cho, Young I.
Copyright Year	2012
Abstract	Air cooled steam condensers (ACSC) consist of finned-tube arrays bundled in an A-frame structure. Inefficient performance under extreme temperature operating conditions is a common problem in ACSCs. The purpose of this study was to improve the heat transfer characteristics of an annular finned-tube system for better performance in extreme climatic conditions. Perforations were created on the surface of the annular fins to increase heat transfer coefficient (h). Mesh generation and finite volume analyses were performed using Gambit 2.4.6 and Fluent 6.3 with an RNG k–ϵ turbulent model to calculate pressure drop (ΔP), heat flux (q), and heat transfer coefficient (h). Solid (no perforations) finned-tubes were simulated with free stream velocity ranging between 1 m/s–5 m/s and validated with the published data. Computations were performed for perforations at 30° interval starting at ±60°, ±90°, ±120°, ±150°, and ±180° from the stagnation point. Five cases with single perforation and three cases with multiple p...
Starting Page	735
Ending Page	753
Page Count	19
File Format	PDF HTM / HTML
DOI	10.1080/10407782.2012.667649
Volume Number	61
Alternate Webpage(s)	http://milkyway.mie.uc.edu/rbanerje/publications/macro-2013fluidics-2013heat-transfer/16-1.pdf
Alternate Webpage(s)	http://www.min.uc.edu/rbanerje/Members/publications-1/madhura-ijht-2012.pdf
Alternate Webpage(s)	https://doi.org/10.1080/10407782.2012.667649
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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