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Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin

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Published by Universitas Mataram

ISSN : 2088088X EISSN : 25021729 DOI : https://doi.org/10.29303/dtm.v14i1

Core Subject : Science, Engineering,

Aerospace Engineering Automotive Engineering Mechanical Engineering Physics

The Dinamika Teknik Mesin is a peer-reviewed academic journal which publishes originally research papers or simulation/computational articles in all aspect of Mechanical Engineering such as energy conversion, materials, design and production/ manufacturing. The Dinamika Teknik Mesin publishes in two issues per volume annually appearing in June and December. Due to administrative constraints, then starting in January 2018, the Dinamika Teknik Mesin publishes the volume and issue in January and July. However, starting in 2020, the Dinamika Teknik Mesin publishes issues in April and October due to the new administration.

Arjuna Subject : Teknik (semua kategori) - Teknik Mesin

Articles 452 Documents

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Pengaruh variasi besar lubang dan tebal plat terhadap boiling time, lama nyala dan laju pembakaran pada desain kompor biomassa tongkol jagung Joniarta, I.W.; Wijana, M.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 8, No 1 (2018): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

The biomass stove is designed to utilize fuel chunks. The main principle of the stove design is to utilize the outside air coming into the stove through the hole on the underside. The air coming into the stove is divided becoming primary air and secondary air. The primary air enters from under the burning sleeve to the fuel, while the secondary air enters from the top hole of the burning sleeve and burns the combustion gas containing fuel-burning substances. In this study, the fuel used was corncob with a diameter of 3-4 cm, a length of 6-7 cm, and moisture contents ranging from 14%-16%. The stove used consists of 8 variations of the design model. Independent variables in this study were plate thickness, outer air hole diameter, secondary air hole diameter, and primary air hole diameter. While the dependent variables investigated were boiling time and flaming duration. The fastest boiling time was 2.07 minutes achieved from the stove designed no 3. Meanwhile, The longest flaming duration was 13.24 minutes shown by the stove no 6. There for the fastest burning rate was 0,00708 kg/s was sown stove designed no 6, and the latest burning rate was 0,00474 kg/s achieved from the stove no 6. This different result is influenced by the density of the corncobe, the density of the biomass fuel will be quikly burned and very fast oxidation.

KARAKTERISTIK SIFAT MEKANIK KOMPOSIT SERAT BAMBU RESIN POLYESTER TAK JENUH DENGAN FILLER PARTIKEL SEKAM Budiman, Agus; Sugiman, Sugiman
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 6, No 1 (2016): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

This paper presents the effect of volume fraction of rice husks on the mechanical properties of bamboo fiber/unsaturated polyester composites. The composite specimens were made from bamboo fiber with fixed volume fraction of 40% and rice husk particle as filler with volume fractions varied 0%, 10%, 20% and 30%. Matrix used was unsaturated polyester resin. Bamboo fibers and rice husk were surface treated using alkali solution 4% (by weight) for 2 hours. The manufacturing process of composite was using hand layup method. The specimens were tested in tension, bending and in impact loading. The results show that the addition of rice husk particles up to volume fraction of 20% does not result in a decrease of tensile strength, but after a volume fraction of 20%, the tensile strength tends to decrease. In bending test, the rice husk volume fraction up to 20% increase the bending strength, but after that then it tends to decrease. However the bending modulus seems unaffected by the volume fraction of rice husk. Similar to the bending modulus, the impact strength is not significantly affected by the volume fraction of rice husk.

UJI FASTENING PADA KAYU KOMPOSIT SERAT PANDAN WANGI DAN LIMBAH KAYU DENGAN RESIN POLYESTER Sulistyowati, Emmy Dyah; Sari, Nasmi Herlina; Sinarep, S.; Pandiatmi, Pandri; Andrian, Insan
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 5, No 1 (2015): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

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The purpose of this study was to obtain handling connection type in use as door panels, roofing sheets, walls and floors. Therefore, the tests performed are fastening test and abrasion test. The technique of making wood composite is using hand lay-up technique. Constituent material of board composite is using pandanwangifibers with length variationsare 15 mm, 20 mm, and 30 mm with volume fraction variations are 20% and 30%, and 5% Sengon tree saw-dust is used as the filler. The results showed that pre-drilling with fastener sizes # 6, # 8 and # 10 is 3.5 mm, 4 mm and 4,5mm. The distance between each fastener depends on the fastener head itself, ie fastener # 6, # 8, and # 10. Critical distance between the edge of the fastener has a significant effect on fiber length and volume fraction. The highest value is shown on 15 mm of the fiber length and 20% of volume fraction with the value 3.29 mm, and the lowest value is shown on 15 mm of the fiber length and 30% of volume fraction with the value 2.74 mm.

PEMERATAAN ENERGI GELOMBANG LAUT DENGAN SISTEM BERPISTON AKSI GANDA Adi Sayoga, I Made; Nuarsa, I Made
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 3, No 2 (2013): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

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Semakin menipisnya cadangan minyak dunia menyebabkan harga bahan bakar minyak (BBM) terus melambung. Kondisi ini menyebabkan masalah yang serius yang perlu diatasi. Potensi energi yang diperbaharui seperti : energi angin, matahari dan gelombang laut perlu segera dilirik walaupun mungkin sudah terlambat. energi potensial dan kinetik yang terkandung pada gelombang laut dapat dikonversikan untuk pemanfaatan tenaga listrik maupun pompa air bersih dan irigasi. Tujuan penelitian adalah untuk memanfaatkan potensi energi gelombang untuk dikonversi menjadi tenaga listrik. Adapun manfaat penelitian ini adalah akan diperoleh metode dan sumber energi alternative yang ramah lingkungan serta tidak membutuhkan bahan bakar minyak. Energi alternatif ini ditunggu pemanfaatannya oleh masyarakat. Kegiatan penelitian diawali dengan studi literatur untuk mengkaji penelitian yang terdahulu, mencari perumusan dengan teori yang ada. Hasil studi literatur dilanjutkan membuat disain atau rancangan alat dengan perhitungan–perhitungan. Perhitungan mengacu pada prinsip pemanfaatan energi gelombang laut semaksimal mungkin. Dari perhitungan tersebut sangat menentukan langkah selanjutnya seperti pembuatan bentuk, pemilihan bahan, menentukan alat ukur dan model pengukuran. Konversi energi dari gelombang ke piston yang paling efektif terjadi pada saat pelampung (piston) diberikan beban W setengah dari Fa Total (W=Fa/2 total) dibandingkan pada saat tak berbobot (W=0) maupun pada saat piston diisi penuh (W=Fa total). Dari hasil pengujian ternyata prototype pemerataan gelombang laut dengan sistem aksi ganda mampu menghasilkan energi listrik. Pada saat gelombang naik, energi gelombang menekan tuas melalui pelampung yang selanjutnya memutar roda gigi yang telah terhubung dengan generator listrik. Sedangkan pada saat gelombang turun roda gigi juga berputar akibat berat pelampung yang telah diiisi pemberat air.

Pengaruh Konfigurasi Tabung Kompresor Terhadap Unjuk Kerja Pompa Hidram Fane, Didin S.; Sutanto, Rudy; Mara, Made
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 2, No 2 (2012): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

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AbstractA hydraulic ram pump is a cyclic water pump powered by hydropower. It functions as a hydraulic transformer that takes in water at one pressure and flow rate, and outputs water at a higher hydraulic head and lower flow rate. Hydraulic ram pump uses the water hammer effect to develop pressure that allows a portion of the input water that powers the pump to be lifted to a point higher than where the water originally started. The hydraulic ram pump is used in remote areas, where there is both a source of low-head hydropower and a need for pumping water to a destination higher in elevation than the source.In this research using tube compressor with 3-inch tube diameter and height 25 centimeters. Level of water used is at position 5 meters with 8 meters height of calculate the output discharge. The observed parameters are input pressure, output pressure, the tube compressors pressure; valves waste pressure, water discharge input, output water flow and pump efficiency.The result showed that hydram pump ILK position, with parallel compressor tube configuration have better performance than the configuration of compressor tube series. Which the maximum head 22 meters is achieved. And discharge result at the height calculated (8 meters) of 0.0453 liters / sec and 3.278% efficiency.

Pengaruh Posisi Penyemprotan Bahan Bakar Gas Lpg Pada Intake ManifoldTerhadap Konsumsi Bahan Bakar Pada Mesin Bensin Empat Langkah Satu Silinder (Honda Supra X) Nuarsa, I Made; Mara, I Made; Riskon, Riskon
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 2, No 1 (2012): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

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One of major sources of air pollution is the result of combustion exhaust gases of automotive engines. As it is known that the process of fuel combustion from motor fuel produces exhaust gases which theoretically contain elements of CO, NOx, HC, CO2, H2O and N2, where many of which are polluting the surrounding environment in the form of air pollution. The use of LPG fuel for gasoline engine can be done by adding a piece of equipment called a conversion kit. In this study the fuel in the LPG gas injected in the intake manifold with some variation of spin injection with 3000 rpm, 4500 rpm and 6000 rpm for each transmision rate (Neutral s / d Gear 4). The result showed that the injection of fuel gas LPG in the rear position (P3) in getting a decrease in fuel Consumtion (FC) is optimal compared to other injection position (P1, P2). In addition the maximum fuel. Consumtion obtained at transmission rate at each round of variation mesin. Lowes CO emission levels found in LPG fuel injection in the rear position (P3) on the engine rev 3000 rpm kadar CO2 in round 3000 engine rpm optimum obtained from the use of LPG gas fuel injection in the rear position (P3) fornearly all transmision levels. Lowest HC emission values obtained on the location of the feul gas injection LPG rear position (P3) at 3000 rpm rotation at the 4th gear.

ANALISA KEKERASAN DAN STRUKTUR MIKRO PADA BAJA AISI 1018 AKIBAT PROSES PACK CARBURIZING DENGAN VARIASI KONSENTRASI SERBUK CANGKANG KEONG EMAS Zainuri, Achmad; Setyawan, Paryanto Dwi; Atmam, Prayuda
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 1, No 1 (2011): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

This research to investigate the effect of Pomacea Canalikulata Lamarck powder addition in the process of carburization box to physical (microstructure) and mechanical properties (hardness test) of AISI 1018 after heat treatment. In this research used a material of low carbon steel cylinder (AISI 1018). The process of making the specimen is done with to cut into several pieces, cutting done to ease in placing the specimen in the carburizing box, then wood charcoal powder and shell powder were weighed in accordance with the desired composition by mixing powder of 5 wt%, 10 wt%, and 15 wt%. The specimen was done heat treatment at a temperature of 9500C with the holding time at 2, 4 and 6 hours. Then, the specimen was done the Vickers hardness test, microstructure and composition test. From this research it can be concluded that the highest hardness value was obtained at 15 wt% addition of shell powder it was 262.26 kg/mm2 and the initial material hardness value was 144.08 kg/mm2. From microstructure observation and composition test show that it subjected surface hardening because carbon diffusion into specimen.

Pembuatan mesin uji tarik kapasitas kecil: bagian data akuisisi Pandiatmi, Pandri; Okariawan, IDK; Sulistyowati, Emmy Dyah; Salman, S.; Adhi, IG.A.K. Chatur
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 7, No 1 (2017): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

For the purposes of practicum and student research in the field of materials, tensile test equipment is very important. But the test equipment that is in the Department of Mechanical Engineering, University of Mataram has a very large capacity so it is not suitable for testing materials such as plastics and composites so this study bertujuann to make small capacity tensile testing machine for purposes of practicum and student research in the field of polymer materials and composites. Due to limited funds, the research is focused on making data acquisition tensile testing machine. Necessary materials are on site, cable, lead solder, lacquers cable socket and supported by laboratory equipment mechanical engineering majors who have been there, but some of the components to be purchased as load cell, electronic extensometer, and the operational amplifier module arduino uno boad. Design data acquisition consists of a sensor that is load cell, extensometer electronic, signal conditioning is an operational amplifier that is arduino uno data recording boad connected with the personal computer and data processing using LabView software so that the output of the data acquisition is in the form of tables and graphs. With their small capacity tensile testing machine is expected to provide an additional means of learning in the laboratory and student research.

Pengaruh sudut alur sekat terhadap unjuk kerja menara pendingin (cooling tower) Ardani, A.; Qiram, I.; Rubiono, G.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 8, No 1 (2018): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Cooling tower is an equipment that use to decrease water temperature by extracting heat and emitting it to atmosphere. Cooling tower buffle is an important component that effect water flow. This research is aimed to get the effect of cooling tower buffle due to its performance which are range, heat transfer rate and efficiency. The research is done by experiment. Cooling tower buffle are varied in plot angle which are 5o, 10o, 15o dan 20o. Water volume flow rate are varied as 50, 75, 100 and 125 ml/s. Inlet water tempersatur are varied as 50o, 60o and 70oC. The measurements are done for water and air temperature at inlet and outlet points. The result shows that buffle plot angle has effect due to cooling tower performance.

PENGARUH ABSORSI GAS CO2 DAN H2S DALAM BIOGAS MENGGUNAKAN PASTA BATU APUNG TERHADAP PENINGKATAN UNJUK KERJA MOTOR BAKAR Sutanto, Rudy; Alit, Ida Bagus; Rezeki, Gilang
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 6, No 1 (2016): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Human dependence on fossil fuels cause the reserves of energy resources is increasingly reduced. To overcome these problems is urgently needed alternative fuels which are cheap and readily available, one alternative fuel is biogas. However, the use of biogas not yet maximized because of low heating value of the biogas produced from the process without purification. Premium fueled vehicle proved to be turned on using biogas. Tests conducted on the variation of the engine rotation of 1500, 2500, 3500, and 4500 rpm and variations of biogas that has been purified using the paste pumice stone with a variation of the flow rate of purification of 2 liters / minute, 6 liter / minute, and 10 liters / minute. In this test should be able to get the best performance in terms of fineness engine rotation (force braking and fuel consumption). From the test results with the variation of rotation and flow rate variations purification of biogas obtained performance of the motor fuel of the best on rotation 4500 rpm with a flow rate of fuel biogas purification of 2 liters / minute produces a torque value of 6.98 Nm and an effective power of 3288.09 Watt while the value SFCE by 0.33 Liter / Jam.Watt. This proves that, biogas purification using paste pumice stone is able to improve quality of biogas.

Page 10 of 46 | Total Record : 452

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Mirmanto

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dinamikateknikmesin@gmail.com

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Jurusan Teknik Mesin, FT, Universitas Mataram, Jl. Majapahit no. 62, Mataram, NTB, 83125, Indonesia

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Nusa tenggara barat

INDONESIA

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Home Page

OAI Link

Editorial Team

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Contact Name Mirmanto

Contact Email dinamikateknikmesin@gmail.com

Phone +6282111738971

Journal Mail Official dinamikateknikmesin@gmail.com

Editorial Address Jurusan Teknik Mesin, FT, Universitas Mataram, Jl. Majapahit no. 62, Mataram, NTB, 83125, Indonesia

Location Kota mataram, Nusa tenggara barat INDONESIA

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Contact Name
Mirmanto

Contact Email
dinamikateknikmesin@gmail.com

Phone
+6282111738971

Journal Mail Official
dinamikateknikmesin@gmail.com

Editorial Address
Jurusan Teknik Mesin, FT, Universitas Mataram, Jl. Majapahit no. 62, Mataram, NTB, 83125, Indonesia

Location
Kota mataram,

Nusa tenggara barat

INDONESIA