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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
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Search results for , issue "Volume 8, Issue 2, October 2022" : 5 Documents clear
Tensile Strength of Potent Cars Bumpers Materials from The Woven Ramie Fiber Jannah, Miftahul; Mulyadi, Setiawan; Notonegoro, Hamdan Akbar
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 2, October 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.17468

Abstract

Suburban communities around Cilegon usually depend on urban mass transportation. The vehicle has very high mobility when peak hours. Infrequently, this consequent collision and friction between them in the crowd of traffic jams. It causes damage or crushing of their bumper. Hence, a material that has suitable qualifications is needed. One of the materials which have the potential strength to be applied as a bumper car is ramie fiber. As a fiber, this material has high tensile strength properties. In this research, we need to ensure that woven ramie-epoxy composite has a tensile strength value above the standard for car bumper material. The composite consists of woven ramie as the matrix and epoxy resin as the filler at a weight ratio of 40:60. Application curing treatment to the composite with 0-30-60-90-minute. The tensile test results are 30.6 MPa, 36,4 MPa, 36,5 MPa, and 40,8 MPa - the highest values at 90-minute CT. All tensile strength value of the composite is above the standard value required. It also found that the composite water absorption was below the limit of the standard. Based on those values, the woven ramie-epoxy composite can be considered a potent material for use as a bumper car.
Dual Web-Based Temperature and Humidity Sensing of The Polyculture Fish Cultivation Pond Surface Abdulhadi, Muhammad; Wicaksono, Arief; Salamah, Khadijah Barorotus; Sugoro, Nirwan
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 2, October 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.17415

Abstract

Cultivating fish in rural areas is one of the efforts to increase food security and the income of its citizens. Every villager can raise consumption and ornamental fish by making ponds in their large yard. Temperature strongly influences Fish cultivation. The high value of temperature fluctuations in the habitat can reduce feeding activity. It also affects the metabolism of the fish larvae. Temperature changes in fish habitats are affected by changes in environmental temperature. Information regarding weather forecasts is very much needed to anticipate environment temperature and humidity changes. In this study, we want to compare the results of temperature and humidity readings by wunderground.com and IoT monitoring devices toward the habitat of Polyculture Fish cultivation Pond. Both show identical temperature patterns had a deviation value is (+2 oC). Meanwhile, both results of humidity measurements appear to be inaccurate, either because they are outside the measurement value or refer to the reference data. Based on monitoring results, both methods can use monitoring the temperature and humidity of the environmental pond.
Raspberry-Pi Zero-Based Reflection Seismic Logger Design with Network Time Protocol Synchronization Suparno, Supriyanto; Notonegoro, Hamdan Akbar; Wicaksono, Britantyo; Akbar, Abdurrahman Azzam
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 2, October 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.17969

Abstract

Indonesia is a country with very high mineral reserve potential. The mining sector also contributes to non-tax state revenue. Efforts to explore the content of minerals in the earth's bowels can use the seismic reflection method. This seismological principle relies on the propagation of mechanical waves whose reflections are captured and recorded using a geophone. Limitations of domestically produced seismic instrumentation can slow down exploration activities.For this reason, developing domestic geo-seismic acquisition instrumentation is necessary to support exploration activities. In this study, eight units of a Raspberry Pi-based reflection seismic logger prototype device have been made using the MEMS ADXL355 accelerometer sensor with NTP protocol synchronization. Data from the initial test results show that the eight seismic reflection loggers of the device can work simultaneously in reading the seismic waves they receive.
Analysis of the age and status of carbid with alumnium molding without RPM variations and power rapidity on lathe haas CNC machines at PT. XXX Sumarno, Dimas Satrio; Wisnuadji, Aswata
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 2, October 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.26500

Abstract

In everyday life we are not deprived of a technology, one example in the application of technology in the field of machining with the use of CNC machinery, CNC is that this machine is a machine used in the manufacturing process that usually uses computerized control and machine equipment. The most dominant advantage is the speed in the production process so it is suitable for mass production. The purpose of this study is to analyze the edge wear (VB) and determine the value of the n exponent and CT constant of the equation of Taylor's peak age for the peak life of the carbide with the aluminum material and to know the influence of the speed of rotation, feed speed, and cut depth on the machining process on the peaking life of carbide. In this study there are several parameters used namely with RPM 1000, 1800, and 2000. With the movement of 0.25 mm / rev, 0.15 mm /rev, and 0.05 mm / re with the data obtained which was later analyzed, this study can conclude, the life of the carbide in the process of cutting aluminum cylinders, obtain the exponent value n = 0.39 and the CT constant at a1 = 694.45, the constant CT at a2 = 659.66, the CT constante at a3 = 666.85. Then obtaining the aging age (T) will decrease, that aging at cutting speed (Vc1) = 81.64 m / min and n1 = 1000 rpm, i.e. 240,575 min. This study is influenced by the depth of the cutting (a1) = 1 mm, at the cut speed (vc2) = 141.3 m/ min. and N1 = 1800 rpm (t) = 51.75 min., and the shortest aging time occurring at a cutting velocity (Vc3) = 153,86 m / m. This research will also affect the age of its cutting at a certain depth (n)
The pH Effect on Dye Waste Elimination Using Photocatalytic and Electrocoagulation Combination Methods Kustiningsih, Indar; Adiwibowo, Muhammad Triyogo; Astuti, Diah; Oktavia, Endah; Sari, Denni Kartika; Slamet, Slamet
FLYWHEEL : Jurnal Teknik Mesin Untirta Volume 8, Issue 2, October 2022
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v0i0.17313

Abstract

The textile industry is growing very rapidly, the dye waste produced if thrown away can damage the environment. The dye waste can be degraded by electrocoagulation process or using photocatalyst. Electrocoagulation is a process of destabilizing a suspension so that it forms or flocs that are easily separated with the help of an electric current. Titania nanotube arrays are a commonly used photocatalyst. This catalyst is activated when exposed to light. The present study has investigated the impact of pH on the integration of electrocoagulation and photocatalysis processes. From the research conducted, it was found that the best waste degradation electrocoagulation process was at pH 10 with a decrease in dye reduction of 67.72%, for the photocatalyst degradation process the best results were at pH 10 with a decrease in dye reduction of 30.76%. The optimal conditions for the combination of photocatalysis and electrocoagulation were obtained at pH 10 with a reduction in dye waste of 71.6%.

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