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TiMER: Trends in Mechanical Engineering Research
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 30256801     EISSN : 35254299     DOI : http://dx.doi.org/10.62870/timer.v1i2
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering
TiMER: Trends in Mechanical Engineering Research is a blind-peer-review journal. TiMER mainly focuses on Mechanical Engineering fields. Detailed scopes of articles accepted for submission to TiMER are Renewable Energy, Sustainability, and Environmen; Fuel Technology; Material Mechanics; Biomaterial; Materials Science and Nanotechnology; Metals and metal alloys; Ceramics and Composites; Polymers and Plastics; Manufacturing; Control and Systems Engineering; Safety, Risk, Reliability, and Quality; Automotive Engineering; Computational Mechanics; and Mechanical engineering design.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 13 Documents
 1   2 
MODELING AND DYNAMIC ANALYSIS OF VEHICLE SUSPENSION BASED ON STATE SPACE VARIABLE Erny Listijorini; Sidik Susilo; Shofiatul Ula; Rafi Rizqi Ananda; Haryadi Haryadi
TiMER: Trends in Mechanical Engineering Research Vol 1, No 2 (2023): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i2.25765

Abstract

The suspension system is a crucial mechanical component in a vehicle, particularly in cars, situated between the vehicle body and the wheels. The suspension system functions to dampen vibrations and prevent their transmission to the vehicle body. The objective of this research is to obtain a system model for a vehicle suspension, which will be subsequently simulated. The simulation results of the developed system model can then be analyzed using MATLAB. After conducting the simulation, the dynamic response generated from the simulation is analyzed. The simulation results for a road bump with a height of 0.2 m and varying speeds of 20 km/h, 30 km/h, and 40 km/h reveal the occurrence of overshoot in the vehicle chassis, measuring 0.032 m, 0.022 m, and 0.017 m, respectively. The settling time for the vehicle chassis occurs successively in 1.59 seconds, 1.33 seconds, and 1.28 seconds. The vehicle tends to return to a stable position more quickly at higher speeds compared to lower speeds. Similarly, the settling time decreases as the speed increases.
EFFECT OF PLATE THICKNESS AND ROLL GAP ON THE GEOMETRIC QUALITY OF ROLLING PRODUCTS Hendra Hendra; Ahmad Fauzan; Zuliantoni Zuliantoni; Aswata Aswata; Kurnia Nugraha; Hermiyetti Hermiyetti; Hernadewita Hernadewita
TiMER: Trends in Mechanical Engineering Research Vol 1, No 1 (2023): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i1.20496

Abstract

The folding gate is a middle frame flanked by cross bars on the back of the shop door which has a higher level of strength than the body of the door and has better security. The U folding profile is made by a plastic deformation rolling process in which the plate is passed between the pressing roll and the sliding roll. Flat plates are used from the base material of metal plates with varying plate thickness where the metal forming process uses a cold working process. Factors that affect the results of rolling are roll dimensions, machine capacity, roll pressure lever settings and others. The thickness of the plate that can be rolled by the machine, the amount of force exerted on the roll gap, the evenness of the roll surface both vertically and horizontally and the alignment of the roll gap. The thicker the material with a large pressure spacing can affect the forming process so that it enlarges the largest angular deviation of 0.761 mm at a pressure spacing of 0.0 mm. A thicker material with a large pitch can enlarge the wing opening so that both wings bend imperfectly making the height deviation increase by 18.58 mm at a pitch of 0.0 mm. Thinner material with a large press distance at the start of the roll affects the flange width so that the rolling force exerted on the contact gap between the roll and the workpiece side is unbalanced. Get the largest size b- (8.030 mm) 0.0 mm pressure distance and b+ (7.843) 0.15 mm pressure distance. 
MECHANICAL PROPERTIES CHARACTERIZATION OF THE FRICTION WELDING OF ALUMUNIUM WITH COPPER USING VARIATIONS IN ROTATIONAL SPEED AND CONTACT SURFACE ROUGHNESS Iman Saefuloh; Sunardi Sunardi; Rina Lusiani; Miftahul Jannah; Suryana Suryana
TiMER: Trends in Mechanical Engineering Research Vol 1, No 2 (2023): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i2.25672

Abstract

One of the welding used for different materials is by using friction welding. Friction welding is a welding method by swiping the two materials until they reach some of the melting points of the materials to be joined and then subjected to constant pressure. In this study, the materials to be joined were aluminum and copper. By using variations of rotational speed and contact surface roughness, the mechanical properties of the welds were investigated. The speed variations used were 1230, 1500, and 2500 rpm. Meanwhile, for variations in surface roughness, sandpaper grades 100, 800, and 1500 were used. The results of this study were that at a rotational speed of 1230 rpm, the highest tensile strength and hardness values were obtained, namely 59.6 MPa and 54.6 HVN (Al), 112.1 HVN (Cu). For variations in surface roughness, the highest hardness value was found in surface roughness using sandpaper grade 1500, namely 54.18HVN (Al), and 112.1HVN (Cu). And the highest tensile strength is obtained on grade 100 sandpaper with a value of 52.48MPa. The results of the microstructure test in the weld joint area with a magnification of 1000x showed that the welding of aluminum and copper using the friction welding method was successful, as evidenced by the diffusion of aluminum and copper in this area.
EMISSIONS AND FUEL CONSUMPTION OF SINGLE CYLINDER DIESEL ENGINE USING PLASTIC FUEL Agung Sudrajad; Slamet Wiyono; Miftahul Jannah; Syarif Abdullah; Erny Listijorini
TiMER: Trends in Mechanical Engineering Research Vol 1, No 1 (2023): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i1.20797

Abstract

This paper deals with the exhaust emission of plastic fuel on single cylinder diesel engine. The objectives of this research are to analyze the fuel consumption and the emission characteristic of a single cylinder diesel engine that are using plastic fuel compared to usage of ordinary diesel that are available in the market. This paper describes the setups and the procedures for the experiment which is to analyze the emissions characteristics and fuel consumption of diesel engine due to usage of the both fuels. The experiment used diesel engine with no load which means no load exerted on it. Detail studies about the experimental setup and components have been done before the experiment started. The obtained data indicated that the diesel fuel is better than waste plastic disposal fuel in term of fuel consumption, emissions of carbon monoxide (CO) and emissions of carbon dioxide (CO2). The successful of the project have been stated which is engine is able to run with plastic fuel but the engine needs to run by using diesel fuel first, then followed by plastic fuel and finished with diesel fuel as the last fuel usage before the engine turned off.
THE IMPACT OF DIFFERENT CONVERTER KIT TYPES ON THE PERFORMANCE OF A DIESEL ENGINE UTILIZING BIOSOLAR AND LPG FUEL Imron Rosyadi; Ni Ketut Caturwati; Dhimas Satria; Dedy Triawan Suprayogi; Shofiatul Ula; I G Putu Relawan
TiMER: Trends in Mechanical Engineering Research Vol 1, No 2 (2023): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i2.25740

Abstract

The impact of the converter kit type on the performance of diesel engines using biodiesel and LPG fuel has been explored. Converter kits play a vital role in transforming the fuel supply system, and experiments have been conducted to assess their influence on various engine performance parameters. The findings of the study indicate that the selection of a converter kit significantly affects the performance of dual-fuel diesel engines (biodiesel and LPG). Gas Heater converter kits, including type 1, type 2, and type 3 variations, were scrutinized in this research. Testing revealed variations in LPG-Biodiesel fuel mixing ratios depending on the type of converter kit employed. For instance, Gas Heater type 3 achieves the highest value with a mixing ratio of 14.4. Furthermore, the performance of the engine in terms of power and torque is also impacted by the type of converter kit utilized. Gas Heater type 1 exhibits peak performance, with power reaching 5.4 kW and torque measuring 34.81 Nm. Despite the operational costs of dual-fuel diesel engines tending to be higher than those using pure biodiesel, the research concludes that the choice of the converter kit type can have a substantial effect on engine performance, particularly regarding fuel efficiency.
ADDITION OF ALUMINUM OXIDE NANO PARTICLES TO THE ABSORBER PLATE COATING TO INCREASE THE PRODUCTIVITY OF SOLAR DISTILLATION Ni Ketut Caturwati; Dwinanto Sukamto; Rizki Fauzi
TiMER: Trends in Mechanical Engineering Research Vol 1, No 1 (2023): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i1.20455

Abstract

Water is a natural resource that is very important for life in the world, especially for humans and other living things. There are few areas in Indonesia that have unsuitable water due to water pollution and limited fresh water source. Distillation is an effective way to produce clean water that is free from impurities in the form of small solids, germs and bacteria. One type of distillation systems is a solar distillation. However, the use of these still has low productivity. There are several ways to increase the productivity of solar distillation systems, one of them is by adding thermal energy storage material such as aluminum oxide (Al2O3) nanoparticles. This study based on  experimental method by comparing a solar distillation systems with the addition of Al2O3 nanoparticles on the absorber plate coating to the coating without the addition of Al2O3. The test results showed that the addition of Al2O3 nanoparticles increased the productivity of solar distillation. The results show the addition of mass concentration of Al2O3 (nano particles): 10%; 15% and 20% ,  increased distillate  production by: 44.73%; 88.98% and 134.85% compared without the addition of nanoparticles to the absorber plate coating.
DEVELOPMENT OF VERTICAL AXIS MARINE CURRENT TURBINE FOR SUNDA STRAIT APPLICATION Dedy Triawan Suprayogi; Agung Sudrajad; Mekro Permana Pinem; Yusvardi Yusuf; Haryadi Haryadi; Sidiq Susilo
TiMER: Trends in Mechanical Engineering Research Vol 1, No 1 (2023): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i1.20494

Abstract

The development of Renewable Energy (RE) has become one of the priorities that has been promoted by various governments around the world, as a step towards implementing green energy in accordance with the Paris Agreement. The sea as one of the largest parts of the territory in Indonesia must be managed for its energy because it has quite large energy potential. One of them is ocean currents. The Sunda Strait is a very strategic strait and has ocean currents that have the potential to develop energy to be used as a source of electrical energy. Therefore the development of a suitable turbine design is urgently needed in this strait area. In previous research the simulation and experimental work have confirmed that the Savonius rotor can be worked in the low speed marine current. This is will be relevant with Sunda Strait condition that have current 0.4 – 1 m/s. The experiment also shows that the rotor provided torque 0.36 Nm with 11.97 RPM therefore can generated 0.45 Watt
REVIEW OF COMPUTATIONAL FLUID DYNAMIC (CFD) OF SAVONIUS ROTOR FOR TURBINE RENEWABLE ENERGY Alwan Habibie; Hadi Wahyudi; Dedy Triawan Suprayogi
TiMER: Trends in Mechanical Engineering Research Vol 1, No 2 (2023): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i2.25761

Abstract

This research aims to establish the accuracy foundation of Computational Fluid Dynamics (CFD) in simulating the utilization of Savonius Rotor in marine currents, particularly in the vast potential waters of Indonesia. The methodology involved a comprehensive review of journal articles, evaluating studies on the application of CFD in simulating the performance of Savonius turbines in marine current environments. The journal review findings indicate the effective use of CFD in replicating Savonius Rotor behavior, particularly in Indonesia's marine current context. The evaluation of CFD simulation accuracy in this study reveals reliable and accurate results, aligning well with experimental data. These findings suggest that CFD is a dependable tool for effectively simulating Savonius Rotor performance in Indonesian marine current conditions, providing a strong foundation for further research on harnessing marine current potential as a renewable energy source in Indonesia.
STUDY OF PARTICLE BOARDS CHARACTERISTIC BASED ON SENGON WOOD PARTICLE AND OIL PALM EMPTY FRUIT BUNCHES Sunardi Sunardi; Rizky Kurnia Putra; Rina Lusiani; Iman Saefuloh; Agung Sudrajad
TiMER: Trends in Mechanical Engineering Research Vol 1, No 1 (2023): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i1.20477

Abstract

Oil palm empty fruit bunches (OPEFB) as a by-product of the palm oil processing industry. This waste can cause problems for the environment and human health. Utilization of OPEFB waste as particle board material to reduce this waste. The composition of the particle board is based on volume fraction, namely 15% empty palm fruit fiber, 15% epoxy resin, 20% PVAc adessive, and 50% sawdust. The manufacturing process of samples was carried out using the single punch cold press method with compaction pressure of 10, 30, and 50 bar. The experimental results show that a compacting pressure of 10 bar can produce particle board performance according to SNI 03-2105-2006 with a characteristic density of 0.93 gram/cm3, thickness swelling of 2.52%, hardness of 24 N/mm2, flexural strength of 840.05 N/mm2, and impact strength 6.00 kJ/m2.
THE EFFECT OF VOLUME FRACTION AND FIBER LENGTH ON THE TENSILE AND IMPACT STRENGTH OF SILK FIBER REINFORCED COMPOSITES Sinarep sinarep; Ardani Muhamad; Salman salman; Iman Saefuloh; Zainuri Achmad
TiMER: Trends in Mechanical Engineering Research Vol 1, No 1 (2023): June
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v1i1.20848

Abstract

Material engineering technology every year always makes new breakthroughs in creating high-quality materials and have an adequate contribution. Natural fiber reinforced composite material is one of the materials currently used as fillers in composite products. Composite with natural income also has a variety of advantages offered, namely low prices and abundant availability. This study discusses the fraction of fiber volume and fiber length on the tensile strength and impact of fiber reinforced silk fibers (Samia chynthia rucini). In this study the volume fractions of fiber used were 10%, 15% and 20% with a fiber length of 10 mm and 50 mm using an epoxy resin matrix. From the composite tensile test results prove the increase in tensile strength obtained increases the volume of silk fiber in the composite. 20% with a fiber length of 10 mm is 6.859 MPa, while the lowest tensile strength value in composites with a fiber volume fraction of 0% is 1.653 MPa. The impact test shows the strength of 10% fiber volume fraction composite with 10 mm fiber length that is 0.54535 J/mm2, while the lowest impact strength value is 0% fiber volume fraction composite that is 0.50686 J/mm2. 

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