Integral Finned Tube Heat Exchanger - Mezher Rahmah, Ayad;Karamallah, Abdulhassan A.;Habeeb, Laith Jaafer
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This work presents an experimental study of the heat transfer characteristics for cross flow air cooled single tube multi passes (smooth and integral low finned tube) and the effect of the integral low fins in enhancement the heat transfer. Two test sections were designed and manufactured from Perspex with dimensions (251 477 370) mm width, height and length, respectively. Each test section has a test tube (single aluminum tube multi passes) with eight or four passes, and the distance between center to center of passes is 55 mm. The first test section used for testing has the smooth aluminum…mehr

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Produktbeschreibung
This work presents an experimental study of the heat transfer characteristics for cross flow air cooled single tube multi passes (smooth and integral low finned tube) and the effect of the integral low fins in enhancement the heat transfer. Two test sections were designed and manufactured from Perspex with dimensions (251 477 370) mm width, height and length, respectively. Each test section has a test tube (single aluminum tube multi passes) with eight or four passes, and the distance between center to center of passes is 55 mm. The first test section used for testing has the smooth aluminum tube of (17, 19) mm inner and outer diameter, respectively, while the second test section for testing has the integral low finned aluminum tube of inner diameter 17 mm, root diameter 19 mm and outer diameter to the tip of fins 22 mm. Each pass has length 251 mm inside the duct with 125 fins (500 fins per meter), the fin height 1.5 mm, thickness 1 mm and pitch 1 mm. The velocities of air across the test section are (1, 2 and 3) m/sec, and the water flow rates are (3, 4 and 5) l/min. The temperatures of the inlet water to the test tube are (50, 60, 70, 80) oC.
Autorenporträt
AYAD MEZHER RAHMAH, Baghdad-Iraq 1983, Married, Male, B. Eng. 2005, M. Sc. 2012, Power Generation, Mechanical Engineering Department, University of Technology/Baghdad. At august 2005 I have been starting my work in the ministry of oil/ oil Projects Company as a designer Engineer, till now.