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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 7 Documents
 1 
Search results for , issue "Vol 10, No 1 (2024): April" : 7 Documents clear
The Effect of Inlet Air Velocity on the Reduction of Moisture Content in Drying Catfish With a Capacity of 2 Kg Intang, Ambo; Junita, Boni; Ilmi, Bahrul; Rusnadi, Rusnadi; Wulandari, Enasty Pratiwi
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 10, No 1 (2024): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v10i1.24702

Abstract

One way to preserve or extend the shelf life of fishery products is by drying. However, the obstacle that exists in the community is that the preservation method is not maximized. Drying techniques using mechanical devices or artificial drying to overcome the shortcomings of conventional drying methods. In this study, drying catfish was carried out using coconut shell material as a smoking tool. The purpose of this study was to determine the effect of temperature on the drying rate in a dryer with a capacity of 2 kg of starch fish as an ingredient for smoking. The inlet air variations used in this study are 0.7 m/s, 0.8 m/s, 0.9 m/s, 1.0 m/s and 1.1 m/s. The results of this study indicate that the variation of inlet air 1.1 m/s is the variation that most reduces the water content in catfish as much as 15.08%. The reduction of moisture content of the material will increase if the inlet air flow velocity is increased. The drying process is influenced by temperature and airflow velocity. The results obtained by using a dryer that uses coconut shell charcoal are very efficient and economical because coconut shell charcoal is very easy to obtain and can be obtained at an affordable price.
Designing Size and Stack Number of Fuel Cell Urban Vehicle Nazwa, Intan; Satria, Dhimas; Jannah, Miftahul; Listijorini, Erny; Setiawan, Ipick; Pinem, Mekro Permana; Suprayogi, Dedy Triawan; Kanani, Nufus; Demustila, Harly
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 10, No 1 (2024): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v10i1.25506

Abstract

A fuel cell converts the energy in the chemical reaction of a continuously supplied fuel and its oxidizing agent into electrical energy. Fuel cells are used in various industries, including the automotive industry. In this context, fuel cell electric vehicles (FCEVs) have emerged as a promising alternative that offers zero emissions and competitive performance. This work was conducted to obtain a fuel cell design and determine the fuel cell modeling that suits the needs of FCEVs. The Pahl and Beitz method with QFD is used. It was found that the type of fuel cell used is PEMFC (Proton Exchange Membrane Fuel Cell) with platinum electrode material, and the fuel used is hydrogen on a small scale. Overall, fuel cell dimensions were 175 x 259 x 175 mm, and the number of fuel cell stacks that can be arranged is 35. With this geometry, the factor of safety value obtained at the stack fuel cell is 26, and at the end plate fuel cell 2.4, this value indicates that the PEMFC design is safe. Then, the output voltage is 50.55 V, and the output current is 25.27 A, so the power generated is 1.277 kW.
Manufacturing Process of Cutting Edge of Shredder Plastic Machine Using Material Mild Steel Hendra, Hendra; Oktavanni, Syahda Dwi; Rosyadi, Imron; Haryadi, Haryadi; Yusuf, Yusvardi; Ula, Shofiatul; Nugraha, Kurnia; Lusiana, Rina; Hernadewita, Hernadewita
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 10, No 1 (2024): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v10i1.25498

Abstract

Plastic waste is a type of waste that is difficult for the soil to decompose and of course its volume increases all the time, however we still need plastic in our daily lives for various needs, for this we need tools that are able to recycle plastic so that it can be reused and become more valuable material. In recycling plastic waste, plastic shredding machines are used to chop plastic waste with various types of cutting edges, various manufacturing methods and various types of chopped products that are formed later. The aim of this research is to recreate or manufacture plastic chopping cutting edges by testing PET plastic chopping with different masses, by manufacturing using a hand grinder as the cutting tool. On a PET type plastic cup with a mass of 20 grams, it took 215 seconds to produce a chop with the smallest dimensions, namely 1mm – 6.35mm. With the cutting blade that has been made, it can chop PET type plastic with the smallest dimensions possible.
Nano Coating Of Cu-O Particles On Single Slope Solar Distillation Absorber Plates Caturwati, Ni Ketut; Dwinanto, Dwinanto; Farhan, Dhika
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 10, No 1 (2024): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v10i1.25410

Abstract

Clean water is one of the basic needs for living creatures, especially humans, such as for drinking, cooking, washing, and so on. Natural sources of clean water have become increasingly rare in recent years, while the water that is available is increasingly polluted and contaminated by human and industrial activities. For this reason, various efforts are needed to process the available water into potable water that is suitable for drinking. One easy and cheap way to treat clean water is by distillation which utilizes solar radiation heat, known as solar distillation. The use of solar distillation technology generally has very low productivity, so it is necessary to develop technology so that productivity can be increased. This paper shows the effect of adding Cu-O nanoparticles to the absorber plate coating paint located at the bottom of the basin of a solar-powered distillation device to increase the productivity of clean water resulting from distillation. Variations in the concentration of Cu-O nanoparticles coated on the absorber plate are: 10%, 15% and 20% by weight of the black paint used. Experimental results show that there is an increase in efficiency of 6.66%, 16.91% and 27.93% for Cu-O concentrations in black paint of 10%, 15 % and 20% by weight respectively.
Study of Optimization Darrieus Wind Turbine Using Numerical Investigation Susanto, Edy; Paryanto, Paryanto; Hadiyanto, Hadiyanto; Permata, Ariyo Nurachman Satiya; Setiawan, M. Yasep
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 10, No 1 (2024): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v10i1.24736

Abstract

Utilization of electric resources keep on expanding due to social and mechanical progression. Different sorts of sources are utilized to fulfill the resources needs. Wind resources is additionally a source which fulfills a portion of electric energy needs with the assistance of wind turbine. the Darrieus Wind Turbine on the performance of the Vertical Shaft Wind Turbine (VAWT) is utilized for its extraordinary potential in application to its auxiliary advantage and omni-directionality. Three diverse wind speeds were considered within the examination with the NACA 4415 airfoil sort. The wind speeds were shifted based on wind speeds at 15 m/s, 20 m/s and 25 m/s. From the numerical examination, it was found that the optimal result was gained by 4 blade variations due to less turbulence that appeared.
Design and Testing of Drag and Lift Measurement Tools for Low Wind Speed Wind Tunnels Fadilah, Muhammad Haris; Wiyono, Slamet; Erwin, Erwin
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 10, No 1 (2024): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v10i1.25415

Abstract

Science and technology, including aerodynamics, are constantly advancing. Sultan Ageng Tirtayasa University has a wind tunnel in its Renewable Energy Engineering Lab but lacks equipment to measure drag and lift forces. To address this, researchers developed a measurement tool. This study involved a literature review, design, and experimental testing, including calibration to determine gauge R&R values and performance testing with the NACA S1046 airfoil. Calibration results showed standard deviations of 0.25 for drag force and 0.8 for lift force. Gauge R&R values were 0.678% for drag and 1.828% for lift, indicating acceptability. The tool performed well at 1-5 m/s but showed high lift force standard deviation at 6 m/s. The maximum test object weight is 0.7 kg.
Failure Analysis of Landing Gear Material Lubay, Asmadi; Afriany, Reny; Ilmi, Bahrul; Pusvyta, Yeny
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 10, No 1 (2024): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fwl.v10i1.25418

Abstract

The electroplating process of ferrous and non-ferrous metals has advantages such as; as a protector against corrosion, improving appearance and increasing hardness, for example in coating: Cr, Cd and Ni. However, the coating process with Cd on AISI 4340 steel can result in metal embrittlement which leads to delayed brittle failure. This damage is very dangerous because there is no previous indication on the metal surface. In addition, fracture can occur at stresses much lower than the tensile stress of the material. From the results of this study, it is known that the non-uniformity of the thickness of the Cd layer formed results in stress concentration which further forms strain, this factor triggers the initial crack. The embrittlement by hydrogen comes from the electroplating bath that uses conventional cyanide coupled with brighteners. In addition, the very hard nature of AISI 4340 steel contributes to the embrittlement. The embrittlement of the material by hydrogen is caused by the presence of elemental sulphur which is cathodic poisons that segregate at the grain boundaries. Hardness will decrease the higher the baking temperature and the longer the baking time. The best condition to prevent embrittlement is if the baking process is carried out for at least 48 hours at a temperature of 250°C. The fracture surface by hydrogen embrittlement is in the form of intergranular crack, which indicates that the fracture is brittle.

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