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Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE)

JAMERE
Website

Published by Indonesian Society of Applied Science

ISSN : - EISSN : 27751031 DOI : https://doi.org/10.52158/jamere

Core Subject : Science, Agriculture, Social, Engineering,

Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology

The Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) at https://journal.isas.or.id/index.php/JAMERE) is a blind peer-reviewed journal dedicated to the publication of quality research results in the field of Mechanical Engineering and Technological Innovation. Articles published in the JAMERE Journal include original scientific research results (top priority), while for scientific review articles that are new (not top priority) and also comments that are critical of the results of scientific papers published by the JAMERE journal. All publications in the JAMERE journal are open access that allows articles to be freely available online without subscribing to anything.

Arjuna Subject : Energi (semua kategori) - Energi Terbarukan, Keberlanjutan dan Lingkungan

Articles 65 Documents

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Uji Kekerasan Bahan Gear Sprocket Dengan Campuran Timah (Sn) Normansyah Normansyah; Muh Anhar
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 1: Februari 2021
Publisher : Indonesian Society of Applied Science

The Material Test Process of Gear Sprocket includes the process of cutting the material used as the Material Test sample which is mixed or not mixed. In the sample that is mixed, namely the base metal that has been cut with a value ratio of 10:2 Ounce of Material Gear Sprocket 10 and Tin Material 2 Ounces, fusion will be carried out for the process of blending/unifying the two types of material as sample material. Test the material with the mixing, while the Gear Sprocket material sample that was not mixed was also taken a load value of 10 Ounces, for the test sample where the mixing was not carried out. The test results data from the Gear Sprocket material sample with Tin mixing with four tests from several different surface parts obtained the value 51.5, 55, 50, 53 kgf. While the sample of the Gear Sprocket material without mixing the tin, the results obtained are the values of 50, 51, 50, 50 kgf. In combining the Tin Material with the base metal Gear Sprocket with the ratio of 2 Ounce Tin Material and 10 Ounce Gear Sprocket Material, the hardness results are unstable, so the value obtained from the material being treated is obtained a value that is less likely, while the material test value of the Material Gear Sprockets that are not combined have good results from each surface even though the hardness value is slightly smaller than the result of the material being treated.

Analisis Perbandingan Teoritis Performansi Daya Mesin Mobil dan Konsumsi Bahan Bakar Spesifik Berteknologi VVT-i dan Non VVT-i Yudhi Chandra Dwiaji; Oka Mahendra
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 1: Februari 2021
Publisher : Indonesian Society of Applied Science

VVT-i (Variable Valve Timing with Intelligent) technology basically works to optimize engine torque at every speed and driving conditions. The mechanism will eventually produce more efficient fuel consumption and lower exhaust emissions. The workings of VVT-i technology are quite simple, namely to calculate the optimal valve opening time, the ECU (Electronic Control Unit) will adjust the engine speed, air intake volume, throttle position and water temperature. In order for the valve timing target to always be realized, the crankshaft position sensor provides a signal that is a correction response. This VVT-i system will correct valve timing or fuel and air inlet lines. Adapted to the gas pedal footing and load borne to produce optimal torque in each rotation and engine load. This technology is also claimed to have excess power that is far more optimal and saves fuel consumption, and is environmentally friendly.

Rancang Bangun Alat Penyortir Beras Dengan Sistem Penggerak Motor Listrik Teguh Catur Prambudi; Laily Ulfiyah; Lukman Hadiwijaya
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 1: Februari 2021
Publisher : Indonesian Society of Applied Science

Rice is the staple food most consumed by Indonesians which is produced from milling dry unhusked rice grain. In the dry unhusked rice grain milling process, rice has different forms, namely whole and cracked rice. This is due to the poor quality of the paddy rice. The different in forms has led to a different selling value. Whole rice is more expensive than the other. Therefore, sorting was done to obtain the differences. This study was carried out to build rice sorting device with a system in the form of a launch crank mechanism as a vibration system. This device has several components consisting of two mesh and two turnbuckle eye & eye as the sieve tilt adjustment. In the tilt experiment, two variations of the angle were obtained, namely an angle of 10° and an angle of 15°. This device uses a single-phase electric motor as the driving force of the launching crankshaft. The transmission system uses a pulley and a v-belt from a single-phase electric motor that is passed to the pulley. From the test results that have been carried out two-angle variations with a capacity of 10 kg. At an angle of 15°, 69% pure rice is obtained with less optimal results because the slope of the angle is too steep. Whereas at an angle of 10°, the yield of pure rice is 85% which has a less angular slope so that the sorting of rice is maximized.

Analisis Jumlah Tenaga Kerja Optimal Dengan Metode Work Load Analysis (WLA) di PT. RSI Darsini; Andika Maulana; Budi Wibowo
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 1: Februari 2021
Publisher : Indonesian Society of Applied Science

Workload of employees at PT. RSI in the pressing department is still low, because in the pressing section the division of work for each employee is not optimal or evenly distributed. So it is necessary to do research with the title Analysis of the Optimal Workforce at PT. RSI. The method used for testing the optimal amount of load is the Work Load Analysis (WLA) method, which aims to calculate the optimal workload and number of workers at PT. RSI. The sample in this study were 15 employees in the pressing department which were divided into 4 sections, where section 1 had 4 employees, section 2 had 4 employees, section 3 had 4 employees, and section 4 contained 3 employees. The results of this study indicate that the workload before the research in section 1 was 52% to 70%, part 2 from 51% to 68%, part 3 from 56% to 75%, and part 4 still 71% because there was no reduction in labor., because the workload in section 4 is optimal. So the optimal number of workers in the pressing department is 3 employees in section 1, 3 employees in section 2, 3 employees, and 4 still 3 employees.

Perancangan Mesin Centrifugal Untuk Optimalisasi Tenaga Sortir Sampah Plastik Darsini; Yustinus Nandha Dian; Suprapto
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 1: Februari 2021
Publisher : Indonesian Society of Applied Science

PT. XXX as the yield management company becomes a plastic seed product that is ready to be used as raw material in other plastic companies. Apart from the garbage production of PT. Garuda Prima Sentosa also gets unused plastic waste from domestic and foreign suppliers. In the process of processing plastic waste, still uses the sorting power manually obtained by 40 people, the results obtained are also less than the maximum there are still many other materials mixed in plastic waste from 4200 kg of plastic waste can only be repaired by other unused material as much as 915.92 kg per day. This study discusses the centrifugal machine as a separator between used plastic waste from other unused materials and minimizes the sorting power of 40 people to 8 people, and adds the unused material to 1355,308 kg per day. The design of this Centrifugal machine to be able to overcome the problems that exist in the sorting section so that it can produce cleaner plastic seeds and improve the sorting process.

Analisis Postur Kerja dengan Metode Rapid Entire Body Assissment (REBA) Darsini; Reza Tania Achmadi
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 2: August 2021
Publisher : Indonesian Society of Applied Science

Physical activity related to work activities on production operators is one of the jobs that needs attention. Operator activity on CV. Primavera, which is engaged in garments, especially in the fabric cutting Laser. section, is a fabric cutting process that uses high-power laser technology that is emitted from a generator on the workpiece, the cutting movement is controlled through a computer so that the possibility of slipping is small. During the cutting laser process, workers stand in front of the cutting laser machine and bend over while setting the fabric size according to the basket. These complaints arise due to non-ergonomic work postures causing pain in some parts of the body felt by workers. The purpose of this study was to determine the level of risk and the percentage of complaints felt during cutting laser. The methods used are Rapid Entire Body Assessment (REBA) and Nordic Body Map (NBM), based on the REBA method the work risks faced by workers in cutting laser cloth with a high level of scores in the range of 8-10, high category of action so it needs to be done immediately improvement of work posture. The Nordic Body Map shows the first body segment on the back with a score of 9, the second body segment on the right shoulder with a score of 8, the third body segment on the waist with a score of 8, the fourth body segment on the buttocks with a score of 8, and the fifth body segment on the legs. right with a score of 8, due to a bent work posture during the cutting laser process and fabric size settings as well as age and length of work factors that also affect the questionnaire.

Analisis Performansi Pompa Offloading 50-PA-4501A pada Anjungan Main Stupa Puji Saksono; Akhmad Nurdin; Gilang Aditya
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 2: August 2021
Publisher : Indonesian Society of Applied Science

The activities of gas well exploitation have some problems. One of the problems is the amount of liquid (water) in the tubing column which obstructing the gas production. One of the ways to overcome the problem is to offload activity. One of the important equipment during offload activities is the offloading pump. An offloading pump is used to transfer liquid (water) from the well that has been collected in a vessel to the trunkline. This study aims to see the changes in the performance of the offloading pump between the initial conditions according to the manufacturer's specifications and the current condition after being used for ± 9 years. The type of pump being tested is a multi-stage centrifugal pump model 20 WUC-2R-19. The performance testing of offload pump is done by varying the discharge valve opening by 25%, 50%, 75%, and 100%. After that, compare the actual pump performance with the corrected data using the affinity law. The test performed during the offload process occur, and the fluid characteristics assume to be constant. The results showed that there was a decrease in performance between the initial operating conditions in 2011 with the actual conditions in 2020. The actual capacity of the pump decreased from 24 m3/h to be 23.45 m3/h. The efficiency of the offload pump decreased from the initial condition of 80% to 7.71%. The decrease in efficiency for 9 years is 2.29% or 0.25% per year.

Pengaruh Waktu Perendaman Serat dalam Larutan Alkali terhadap Kekuatan Impak Komposit Serat Tebu Budha Maryanti; Sadat N.S. Sidabutar; Suwandy
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 2: August 2021
Publisher : Indonesian Society of Applied Science

Bagasse fiber is an organic waste that is produced in many sugarcane processing factories in Indonesia. This fiber is also easy to obtain, cheap, does not endanger health and can also be degraded naturally. This research aims to determine the impact strength of the bagasse fiber treated with alkaline. The variables of this study are the immersion time of 1 hour, 2 hours, and 3 hours. The fiber used is sugarcane fiber and the volume fraction ratio of resin and catalyst 65% (2% catalyst) and 35% sugarcane fiber. Impact test is carried out according to the impact testing standard ASTM D 5942-96, by using the Charpy method. The result shows that among the three specimens tested, 1 hour immersed specimen has the greatest energy absorption with impact value of 0.5374 Joules/mm2. The longer the immersion time of bagasse fibers in the alkaline solution, the less energy absorbed. It also shows that the resin mixed with alkaline treated fibers has higher impact value than pure resin.

Perancangan dan Analisis Potensi Pembangkit Listrik Tenaga Mikro Hidro Di Aliran Sungai Brantas Sengkaling Kabupaten Malang Dalam Rangka Mencapai Target Energy Mix 23% Pada Tahun 2025 Muhammad Helmi Kurniawan; Dovian Iswanda; Annisa Kesy Garside
Journal of Applied Mechanical Engineering and Renewable Energy Vol 1 No 2: August 2021
Publisher : Indonesian Society of Applied Science

A micro-hydropower plant is a small-scale power plant that uses water as its propulsion and the prime mover is a turbine. This generating system is very appropriate to be used in rural areas because this system is easy to manufacture, produces a large amount of electrical power, and is relatively inexpensive to manufacture. Based on the above, it is necessary to design a turbine that supports this generating system, including the Cross-Flow Turbine. To design a water turbine so that there are no errors in the design (such as the cost of making it), then a design is carried out. A cross-flow turbine design is designed with a flow rate (Q) = 1.2 m3/s, head (H) = 17 m with an efficiency of 0.75. The main technical specifications from the results of the turbine design are runner diameter (D) = 510 mm, turbine shaft rotation 471 rpm with a specific speed of 61.33 rpm, water power of 200,124 kW, and producing electric power of 100.86kW.

Perancangan Aktivitas Pemeliharaan dengan Metode Reliability pada Sistem Main Rotor Blade Helikopter BELL 412EP Studi Kasus Penerbad Semarang Bayu Rahmanto; Ferry Setiawan; Edi Sofyan
Journal of Applied Mechanical Engineering and Renewable Energy Vol 2 No 1: Februari 2022
Publisher : Indonesian Society of Applied Science

BENGPUSPENERBAD is a central workshop specifically owned by the Indonesian Army in Semarang, where aircraft and helicopters are subject to preventive and corrective maintenance. During the period 2018-2020 the BELL 412 EP helicopters often experienced unscheduled maintenance which resulted in losses resulting in flight failure, this was due to a malfunction in the Main Rotor Blade system. The malfunction of the Main Rotor Blade system is dominated by the hub component, namely on the shaft associated with Crack, Noise and Burn damage, and blade components, namely Corrosions, Nicks, Scratches, Dents, Deformation Holes and Crack. Therefore, the aim of this study is to eliminate failure system and unscheduled maintenance. To eliminate failure and unscheduled maintenance, the authors perform an analysis with the FMEA method and calculate using the distribution method, then design the appropriate activities on the system. The data used for analysis are qualitative and quantitative data, where the authors use data from Time To Failure (TTF) and Time To Repair (TTR). According to calculations using the current distribution we found that the Main Rotor Blade system was on time during the 200 operational flight hours, for which the reliability figure was 0.70. Maintenance activities in accordance with the operational conditions of the main rotor blade operating system are preventive maintenance with activities for tool preparation, inspection or chek, dismantling and servicing, and finally installation and finishing activities.

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Tineke Saroinsong

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INDONESIA

Abstract

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Tineke Saroinsong

Contact Email tinekesaroinsong@gmail.com

Phone +6281356331213

Journal Mail Official tinekesaroinsong@gmail.com

Editorial Address Jl. Raya ITS, Sukolilo, Surabaya, 60111, Indonesia Tel : +6287859160488

Location Unknown, Unknown INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Tineke Saroinsong

Contact Email
tinekesaroinsong@gmail.com

Phone
+6281356331213

Journal Mail Official
tinekesaroinsong@gmail.com

Editorial Address
Jl. Raya ITS, Sukolilo, Surabaya, 60111, Indonesia Tel : +6287859160488

Location
Unknown,

Unknown

INDONESIA