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309-h4 - K I N G F A H D U N I V E R SI T Y O F PE T R O L...

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KING FAH D UNIV ER SIT Y OF PET R OLEUM & M INER ALS CH EM I CAL ENGI NEER I NG D EPAR T M ENT CHEMICAL ENGINEERING LAB I CHE-30 9 Pr epar ed For M r. G.O. Y ahya EX P # H 4 Hea t Tr a nsf et r In A Doubl e Pipe Hea t Excha nger DONE BY: Al-Ghamdi, Kamal S. ID#: 901432 Sec.#: 08 PARTNER: Al-Taweel, Abdulsalam ID#:925367 GROUP # IA Date O f Performance : 9- 4- 1996 Date O f Subm iss ion :16- 4- 1996
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ABSTRACT: This report presents, discusses and compares an experiment to investigate coefficient (U) for both co-current and counter-current modes of operation. There are many variables were obtained in this experiment, for example, q t in the counter-current in first run was found to be 2596.964 W. Also, q s was 2749.487 W. Also, the overall heat transfer coefficient was found to be 1253.108 W/m 2 K at q avr that was equal 2673.226 W. In addition, the shell-side Reynolds number was obtained to be 3712.2110. However, the comparison was established between U Exp & U Thr and the U Exp was found to be 1253.108 W/m 2 K; while, the U Thr was found to be 746.606 W/m 2 K the %differnce was found to be 67.84%. INTRODUCTION: A heat exchanger is a device which is used to transfer energy between two flowing fluids. There are two kinds of flow which result when two fluids flow in the opposite direction. The second type in co-current which happen when the flow of the two fluids are in the same direction.
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