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THERMAL ANALYSIS OF FORCED CONVECTION IN DUCT PACKED WITH POROUS FIN | ||
| AL-TAQANI | ||
| Article 1, Volume 30, Issue 1, 2017, Pages 0-0 | ||
| Author | ||
| Sabah N. Faraj | ||
| Abstract | ||
| The effect of inserting porous fins pad in square duct on the forced convection heat transfer is studied experimentally for Reynolds number of (7590 – 18400). Thetested ductwalls are subjected to uniform heat flux in the range of (64.74 – 120.91 w/m²) and the pad consist of commercial galvanized steel screen with porosity ranging between (0.985 – 0.971). It is observed that the heat transfer is enhanced by using porous fin at (1.44, 1.24) times than empty duct in vertical position when porosityare(0.971, 0.985) respectively and (1.32, 1.15) times in horizontal. For that the best condition obtained to enhance heat transfer for all tests when using fin pitchof (20cm) and porosityof (0.971) in vertical position. Many experimental correlation have beenobtained | ||
| Keywords | ||
| Forced convection | ||
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