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Hamdan Akbar Notonegoro
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Department of Mechanical Engineering, Faculty of Engineering, Universitas Sultan Ageng Tirtayasa Jl. Jend. Sudirman Km. 3 Cilegon,
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FLYWHEEL : Jurnal Teknik Mesin Untirta
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 24077852     EISSN : 25977083     DOI : https://doi.org/10.36055/fwl.v0i0.
Core Subject : Science, Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation
The journal publishes original and (mini)review articles covering the concepts of materials science, mechanics, kinematics, thermodynamics, energy and environment, mechatronics and robotics, fluid mechanics, tribology, cybernetics, industrial engineering and structural analysis. The journal follows new trends and progress proven practice in the mechanical engineering and also in the closely related sciences as are electrical, civil and process engineering, medicine, microbiology, ecology, agriculture, transport systems, aviation, and others, thus creating a unique forum for interdisciplinary or multidisciplinary dialogue.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
 1 
Search results for , issue "Vol 9, No 2 (2023): October" : 5 Documents clear
Hydro-test Method to Detect Leaks in Pressure Vessels at PT DIHI Irawan, Muhammad Afeef Febry; Pinem, Mekro Permana; 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.v9i2.26620

Abstract

In the manufacturing of a device, several types of testing are performed. Testing must be done to ensure that the designed device is completely safe for long-term use and meets existing standards. There are several tests conducted, one of which is the Hydrotest. This Hydrotest is conducted to test whether the designed device experiences leakage, particularly at weld joints, by filling pressurized water into a test device and holding it for a certain period. In this study, we aim to conduct a Hydrotest on a Pressure Vessel to see if the designed Pressure Vessel experiences leakage in its construction. From the results of the testing conducted, it was found that the designed Pressure Vessel did not experience leakage, particularly at each weld joint. Based on the Pressure and Temperature Chart Recorder, the graph indicates that there is no pressure drop, and the temperature remains within a safe range.
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.
Problem Analysis of Hydraulic Accumulators on Airbus A320 Aircraft Silaban, Divasco Togap; Yusuf, Yusvardi
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.v9i2.26518

Abstract

This study investigated the hydraulic system on Airbus A320 aircraft, focusing on the problems that often occur with hydraulic accumulators as well as the maintenance steps required. The Airbus A320 hydraulic system consists of three main systems, namely the Green, Yellow, and Blue hydraulic systems, which play an important role in the operation of vital systems in the aircraft. Periodic checks of nitrogen pressure in hydraulic power accumulators, in accordance with AMM guidelines, are key in preventing hydraulic system problems. Common hydraulic accumulator problems, such as hydraulic leaks, pressure drops, and internal leaks, are often caused by insufficient prefill pressure or too high a fill pressure. Necessary maintenance measures include pressure checks in accordance with AMM standards and pressure adjustments if required. By understanding common hydraulic accumulator problems and their maintenance, aircraft technicians can maintain hydraulic system performance in optimal conditions, ensuring the safety and optimal performance of the aircraft during operation.
Analysis of The Causes of Failure to Blow 600 ml Bottles on Blow Molding Machine with The Fishbone Diagram NurSalam, Syahlan; Erwin, Erwin; Ilmi, Bahrul
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.v9i2.26624

Abstract

Failing Blowing is an imperfect preform blowing process. The defective form can be a puckered preform, a leaking bottle or a puckered bottle. Blowing failure is influenced by three main parameters, namely preform, preblow and blowing temperatures [1]. Then data was taken with variations of the material used, namely preform materials from internal and external. This is not intended to assess the effectiveness of the amount of production using a particular material, but makes a reference in analyzing the problem of failed blowing with different material variations. The analysis stage is carried out using the fishbone diagram method. The results of the analysis found the cause of blowing failure and a significant difference in numbers from the blowing failure data taken on internal and external preforms. The main possible causes of failure to blow settings are inappropriate parameters. The number of blowing failures in internal materials was obtained as many as 23 and in external materials as many as 8 bottles. Then the main parameter settings used in internal materials with a preform temperature of 107oC, a preblow pressure of 6.7 bar and a blowing pressure of 22 bar. While in external materials the preform temperature is 106oC, the preblow pressure is 6.7 bar and the blowing pressure is 22 bar. Looking at the type of material alloy of internal and external preform, this has a difference where the external preform is a preform with 100% PET (virgin) resin while the internal preform is a combination of 25% Recycle PET and 75% PET. This will obviously greatly affect the characteristic properties of the material.
Sootblower Type Long Retractable Problem Analysis At PLTU Banten 2 Labuan PGU Oetomo, Pandoe Satria; Saefuloh, Iman
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.v9i2.26627

Abstract

Sootblower is equipment used to clean slagging or fouling attached to the boiler wall or pipe pipes contained in the boiler. Slagging is coal ash attached to the furnace, on the furnace wall and on the superheater and reheater pipes. At PT. PLN Indonesia Power PLTU Banten 2 Labuan PGU has 4 types of Sootblowers, namely, Short Retractable Sootblower, Long Retractable Sootblower, Semi-Long Retractable Sootblower, Helical Retractable Sootblower. In the results of the analysis for maintenance on this sootblower, it routinely carries out Preventive Maintenance activities every week and also applies every day, then if the replacement of spare parts must use those that have SNI.

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