Abstract
Experimental and theoretical work by using ANSYS workbench on the vertical tube without internal rings is presented. The dimensions of the test section are: internal diameter of the tube (D) is 45 mm. thickness of the tube are 3.8 mm, length of test section (L) as 450 mm. The ratio between length and diameter (L/D) is 10. The test section is insulated with five layers of insulating material. The tube is heated by electric supply to a coil, which is wound around the test section. Constant heat flux is maintained in the tube ranging from 250 to 3341 W/m2. Observations are conducted on the vertical tube without internal rings inside it. Experimental results are found from the experimental set up and the theoretical results are obtained by using ANSYS workbench. The basic intent of this work is to present the heat transfer behavior along the length of the tube as well as at exit condition of the tube. Theoretical results using ANSYS workbench were validated with the experimental data. The work concluded that results of the theoretical investigation match well with the experimental data.
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