WebFluid flow and heat transfer over a 4-row, elliptic, finned-tube heat exchanger having an axis ratio of 2.83:1 are studied experimentally and numerically. Three types of finned-tube configurations have been investigated under dry and wet conditions for different values of inlet frontal velocity ranging from 2 to 7 m/s: two elliptic finned tubes ... WebFeb 2, 2011 · In this case, the total heat transfer rate is evaluated through a concept of total surface effectiveness or surface efficiency η o defined as: (1) where A f is the fin surface area, A p is the primary surface area and A = A f + A p. In Eq. (1), the heat transfer coefficients of finned and unfinned surfaces are idealized to be equal.
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WebAug 1, 2024 · [68] Taborek J 1997 Double-pipe and multitube heat exchangers with plain and longitudinal finned tubes Heat Transfer Engineering. 18 34-45. Google Scholar [69] El-Maghlany W, Eid E, Teamah M and Shahrour I 2012 Experimental study for double pipe heat exchanger with rotating inner pipe Int J Adv Sci Tech Res. 4 507-24. Webenhancement and pressure drop in double pipe internally finned tube heat exchanger by using nano fluids and compared these results with plain tube heat exchanger. Results indicates that the heat transfer rate is 80–90% more than plain tube heat exchanger. often geometrically modified fins are incorporated, haimer shrink machine
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WebAn all-aluminum fin and tube system can solve all design challenges, with direct cost benefits compared to the alternative with copper tubing: No formicary corrosion, as … WebThis fin type is formed from a bi-metallic tube consisting of an aluminium outer tube and an inner tube of almost any material. The fin is formed by rolling material from the outside … Web1. Finned-Tube Heat Exchanger. Finned-tube heat exchangers are the most common type of heat exchanger in HVAC. They can be found in both residential and commercial buildings. Finned-tube heat exchangers are used to exchange the heat energy between the air and the refrigerant. A finned-tube heat exchanger can be found in the following … brandon t link attorney