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All Journal FLYWHEEL : Jurnal Teknik Mesin Untirta Trends in Mechanical Engineering Research
Wiyono, Slamet
Universitas Sultan Ageng Tirtayasa
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Analysis Of Welding Results On A Pressure Vessel Using Radiography Test Method At PT. DIHI Hidayahtullah, Muhammad; Wiyono, Slamet
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 9, No 2 (2023): October
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v9i2.26621

Abstract

This research presents the conclusions of the testing conducted at PT. Daekyung Indah Heavy Industry, focusing on the Quality Control process applied to pressure vessels. The Quality Control process involves Non-Destructive Testing (NDT) using the Radiography Test (RT) method. This testing is performed using gamma rays generated by Iridium-192 and applied to a vertical pressure vessel intended to function as a Gas Dehydration Filter. The area under examination is one of the Weld Parts with NC Code on Manhole M1 24 Inch, with SA516-70N material and a thickness of 18 mm, and the entire testing process is conducted with reference to ASME BPVC Section VIII Division I UW-52 as the standard. The test results indicate that out of the 7 areas tested, 5 areas showed indications of defects. Among the 5 areas with defects, there was 1 porosity defect in area A-B and 4 slag inclusion defects in areas B-C, D-E, F-G, and G-A. The repair process required for both types of defects is the removal of the weld groove followed by re-welding until no defects remain in the repaired weld joints.
SIMULATION OF THE EFFECT OF THE COVER GLASS ANGLE INCLINE ON A SINGLE SLOPE SOLAR DISTILLATOR Caturwati, Ni Ketut; Wahyudi, Hadi; Alda, Apriyani; Wiyono, Slamet; Dwinanto, Dwinanto
Trends in Mechanical Engineering Research Vol 2, No 2 (2024): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v2i2.30947

Abstract

Distillation is a water purification process through evaporation and condensation. Research on solar distillation was developed using the Computational Fluid Dynamic (CFD) method to obtain an overview of the transmission of solar radiation heat by the cover glass for variations in the angle of the glass inclination of 100, 200 and 300. The water height in the basin is 100 mm. The simulation results show that the heating process with variations in the angle of the cover glass affects the distillation results. The smaller angle of the cover glass inclination, the higher heat flux entering the basin so that the evaporation process becomes higher which ultimately increases the amount of distillate water production produced. The highest heat flux entering the distillation system was achieved by the system with a cover glass inclination angle of 100 with a value of 388.525 W / m2, while the lowest was at an angle of 300 with a value of 379.792 W / m2. In addition, the highest distillate production was obtained on the cover glass with an inclination angle of 10 ° of 1.078 cc. For operational hours at 13.00 WIB and simulation time 180 seconds.
Co-Authors Alda, Apriyani Dwinanto, Dwinanto Hidayahtullah, Muhammad Ni Ketut Caturwati, Ni Ketut Wahyudi, Hadi