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Turbulence and pressure drop behaviors around semicircular ribs in a rectangular channel
2014
Thermal Science
The article represents an experimental investigation on friction and turbulent flow characteristics of free airflow through a rectangular duct fitted with semicircular ribs of uniform height (e = 3.5 mm) on one principle wall. The aspect ratio of the rectangular duct was AR= 5 where the duct height was 30 mm. Four different rib pitches of 28 mm, 35 mm, 42 mm, and 49 mm were examined with constant rib height to hydraulic diameter ratio (e/Dh = 0.07) and constant rib height to channel height
doi:10.2298/tsci111022142n
fatcat:drjgmrgjqnfpxaonwtl4lidz2u