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Hamdan Akbar Notonegoro
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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 "Volume 8, Issue 1, April 2022" : 5 Documents clear
Design and Manufacturing of Bottle Roller Machine for Laboratory Leaching Process by Using Recycled Materials Tiara Triana; Tubagus Maulana Ichsan; Muhammad Ikramullah; Defita Harun; Muhammad Dzafif Ghifari
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 1, April 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.14081

Abstract

Bottle roll is the equipment used for laboratory metal leaching tests. Leaching is a widely used metal extraction process by dissolving metal from ore using certain chemical reagents. The working principle of the bottle roll is to stir the bottle filled with a suspension sample and place it on rolls that rotate horizontally. In this research, the rotating rolls were driven by a recycled water pump electric motor which is transmitted using a pulley and belt. The research objective is to create a bottle roll machine that is practically easy and safe to carry out the leaching test or any other tests that involve agitation, especially for process engineering students. The performance validation of the equipment was done by conducting some leaching tests using the manufactured bottle roll to determine the consistency of the roll rotation, as leaching tests are generally done for a quite long period, usually 24 hours continuously. The sand sample was sieved into 100 mesh of particle size and then mixed with water to make a suspension. The suspensions were put into 2.5 liters of used glass chemical bottles and 1 liter HDPE plastic bottles with various diameters of 14 Cm, 12 Cm, and 8 Cm. The results showed that the machine could perform the leaching test at best in HDPE bottles with an average of 31 RPM of rotation speed tested for 24 hours.
Automatic Footstep Design and The use of LDR Sensors in Vehicles Ian Hardianto Siahaan
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 1, April 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.14404

Abstract

Vehicle modification has become a necessity for its users; this is done to get a practical and modern impression and consider the functionality side. One of the modified parts of the vehicle is the footstep feature. This component is beneficial as a support point when getting in and out of the car. Initially, the presence of this component was found in many SUVs, and this is because these types of vehicles generally have high ground clearance, making it difficult for vehicle owners to get into the car. The step function finally changed to make the car look more elegant from the left and right sides. Footstep designs that are common in the market are permanent. When installed in the vehicle, its position protrudes from the car body. Footstep will add to the dimension of the car and is quite annoying when the car crosses a narrow road. Therefore, a footstep mechanism was designed to enter the car body when the door is closed and go down and protrude when the car door is opened. The LDR sensor, which adjusted the LED lights, is applied to ensure adequate lighting for the passengers to see the footsteps in the dark conditions. So, the lighting leads to the footstep board and the side of the c ar when the door is opened. From the tests carried out, the longest time to open the footstep is 0,84 seconds, and the longest time to close the footstep is 1,09 seconds. These results indicate that the target time has been met, which does not exceed 1,5 seconds with or without load on the experiment.
Tribological and Thermal Characteristics of Organic Brake Pads Using Rubber Seed Shell and Rubber Fruit Shell as Filler Brian Laksana Gemilang; Rina Lusiani; Iman Saefuloh; Sunardi Sunardi (ScopusID:57208466308)
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 1, April 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.14866

Abstract

The Badan Pusat Statistik (BPS) data for 2021 shows that the total rubber production in Indonesia reached 2.877,90 tons. The high amount of rubber production will accompany many by-products, such as rubber seed shells and fruit shells. These materials have not been widely used for commercial purposes. This research will use rubber seed shells and fruit shells as brake pad filler. These materials are expected to replace brake pads that still contain asbestos, even though asbestos harms human health. Brake pads are manufactured using the cold press method, which has a composition is 60% epoxy resin, 35% filler, and 5% nylon fiber. The observed characteristics of the organic brake pad are mechanical, tribological, and thermal behavior using rubber seed shell and fruit shell fillers. This research conducted several results. Both friction coefficient values have met the performance values of the standard commercial brake pad material. The rubber seed shell has better wear resistance as filler in brake pad material than fruit shells. The type of wear for rubber seed shells is abrasive wear. The thermal analysis shows that the decomposition temperature of the rubber fruit shell is higher than the rubber seed shell.
Effect of magnetic field on the behavior of Electrochemical oxidation of Aluminum in 3.5% NaCl solution Surya Darma; Sukarno Sukarno; Bambang Soegijono; Hamdan Akbar Notonegoro; Naila Mubarok
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 1, April 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.14703

Abstract

An irreversible electrochemical reaction from material interaction with the environment and causing degradation is known as corrosion. The electrolyte changes significantly affect the corrosion's reaction kinetics. Unknown factors and various notable factors influence the corrosion rate of a particular material in the environmental system. Significant interest in magnetic fields and their effects on electrochemical reactions have recently been gained. This paper studies the effect of an external magnetic field on the electrochemical oxidation of Aluminum (Al) in a 3,5% NaCl solution. The magnetic field 0; 0,8; 1,4; and 2,1 Tesla were used to expose the samples during corrosion testing. We found that the effect of a magnetic field on electrochemical oxidation shifts the oxidation potential to higher or lower than the oxidation potential without a magnetic field. Moreover, the oxidation potential's value depends on the magnetic field's intensity.
Manufacturing of IOT-Based Industrial Wastewater pH and TSS Monitoring Instruments Using RUT 955 Supriyanto Suparno; Britantyo Wicaksono; Fatimah Nurul Qolbi
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 1, April 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.15394

Abstract

According to data from the Environment Ministry of the Republic of Indonesia, 59 percent of Indonesian rivers are severely Polluted. The pollutant is due to many people's and industry's behavior of discharging waste directly into the river. This liquid waste contains solids and chemical compounds that affect river water's acidity (pH). Their pollutant does not meet the Government Regulation of the Republic of Indonesia Number 101/2014. Research has been carried out to manufacture an IoT-based sparing monitoring system device using RUT955 to measure the pH and TSS of industrial wastewater in remote areas. This sparring system uses two sources of electric current: PLN and the sun. Solar electricity stored in the battery is used to overcome the problem of breaking the electricity supply from PLN. The device made has been successfully connected to the internet using the webhook.site platform. Acquisition data storage is carried out using the google spreadsheet platform. The pH and TSS data measured by the sensor sent by RUT955 can be received and displayed on the internet platform. The measurement results that the sensor has carried out need to be calibrated so that the data sent is accurate.

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