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Scientific Journal of Mechanical Engineering Kinematika
Published by Universitas Lambung Mangkurat
ISSN : 26559048     EISSN : 2655903X     DOI : http://dx.doi.org/10.20527
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Scientific Journal of Mechanical Engineering Kinematika (SJME Kinematika) is a mechanical engineering journal that focuses on Energy, Applied Mechanics, Materials, Manufacturing Processes. SJME Kinematics journal publish in Indonesian and receive in English. Scientific Journal of Mechanical Engineering Kinematika (SJME Kinematika) is an Open Access Journal that is available for free on online media. We are not only accept journals that focus on the derivatives of the four fields below, but also the possibility of an integrated focus of fields from several fields.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 133 Documents
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PENGARUH AKTIVASI KIMIA ARANG KAYU LABAN TERHADAP EFEKTIVITAS PEMURNIAN BIOGAS & UNJUK KERJA GENERATOR-SET Azmi Rianur; Abdul Ghofur
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 1 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.524 KB) | DOI: 10.20527/sjmekinematika.v2i1.34

Abstract

This study aims to determine the effect of laban charcoal chemical activation on the effectiveness of biogas purification and generator-set performance. This research is conducted by drain biogas from sanitary landfill to biogas purification insulator containing adsorption media in the form of chemical activated charcoal either with NaCl or NaOH liquid, then biogas is stored in the storage tube then flowed to chamber for the reading of CO2 and CH4 using gas analyzer . From this study the following results are obtained: Biogas without purification (CO2 2808.62 ppm and CH4 40.51 ppm), Biogas by purification (CO2 2579,72 ppm, CH4 42,43 ppm and effectiveness equal to 8,1%), at activated NaOH activated medium (CO2 1987,24 ppm, CH4 62,76 ppm and effectiveness 29,2%), NaCl activated adsorption medium (CO2 1920,01 ppm, CH4 75,28 ppm and effectiveness 31,6%) . For the result of generator-set performance test using biogas fuel that has been purified by charcoal of chemical activated charcoal using NaCl that is for no load, got round of 3484,87 rpm, temperature 130,10C, and voltage 240 V (stable), with 350 W load is 2371,2 rpm, temperature is 131,90C, and voltage 150-240 V (not stable), with load of 650 W obtained 2256,5 rpm rotation, temperature 145,70C, and voltage 100-200 V (not stable).
PEMBUATAN BIOGAS DENGAN VARIASI STARTER RAGI DAN KOTORAN SAPI BERBAHAN BAKU SAMPAH ORGANIK Rachmat Subagyo; Roni Wijaya
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 1 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.975 KB) | DOI: 10.20527/sjmekinematika.v2i1.36

Abstract

This study aims to determine the composition of the right starter mixture to produce optimal biogas, knowing the temperature (in digester) at the time of fermentation, knowing the effect fungal growth on the levels of biogas. Processing organic waste in small pieces given water and starter, put in bottle and covered with balloon, last process fermentation 45 days. Then samples tested using Methane Measurement System, Carbondioxide, Humidity and Temperature. Then obtained mixture 10% starter cow dung and 90% organic waste CH4 35.79 ppm and CO2 1763.34 ppm, 20% cow dung and 80% organic waste CH4 12.12 ppm and CO2 740.55 ppm, 30% cow dung and 70% organic waste, CH4 14.08 ppm and CO2 858.87 ppm, yeast 10% and organic waste 90% CH4 9.78 ppm and CO2 860.98 ppm, 20% yeast and 80% organic waste CH4 166.08 ppm and CO2 1185.35 ppm and yeast mixture 30% and 70% CH4 organic waste 16.66 ppm and CO2 927.39 ppm. The yeast mixture 20% and 80% organic waste produces most optimal CH4 with temperature in digester at fermentation 30.11 °C with value 206.76 ppm while mixture 10% cow dung and 90% organic waste produces highest CO2 at temperature 30.4 °C with value 2527.57 ppm.
ANALISA MENINGKATNYA PEMAKAIAN OLI PADA ENGINE C7 EXCAVATOR 320D CATERPILLAR MENGGUNAKAN 8 STEP TROUBLESHOOTING (STUDI KASUS PT. KASONGAN BUMI KENCANA) Lintar Hariyandi; Qomariyatus Sholehah; Achmad Kusairi Samlawi
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 2 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (260.064 KB) | DOI: 10.20527/sjmekinematika.v2i2.37

Abstract

Excavator 320D using C7 engine. Based on the problems that have occurred in the engine C7 in one company that is engaged in coal mining in which the number of engine problems that occur due to frequent loss of oil or increased oil consumption in the engine (High Oil Consumption), Using 8 Step troubleshooting with the goal knowing the cause of increased use of oil in the Engine C7 Caterpillar 320D Excavator and, Knowing the impact of rising oil consumption of the engine components Caterpillar 320D Excavator C7, and Knowing the cost of losses due to increased oil consumption in the Engine C7 Caterpillar 320D Excavator. After analysis 8 step troubleshooting is known to cause increased oil consumption is excessive because of the use of air cleaner is not in accordance with the OMM (Operational Manual Maintenance applicable, the impact of increased oil consumption which These conditions lead to premature wear on the components and the cost of repair to the engine that experienced high oil consumption amounted Rp.309.056.768
PENGARUH VARIASI CAMPURAN OLI BEKAS DAN BIOSOLAR TERHADAP KARAKTERSITIK UJI PEMBAKARAN DROPLET Akhmad Syarief; Ahmad Ramadan; Misbachudin Misbachudin
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 2 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (545.65 KB) | DOI: 10.20527/sjmekinematika.v2i2.38

Abstract

This study aims to determine the effect of mixed used oil and biodiesel mixture on droplet combustion test characteristics. . This research was conducted by dripping the fuel at the tip of the thermocouple to form a droplet with a volume of 0.1 mm, then bringing the heater to the droplet to form a fire. This study aims to determine the influence of mixed oil and biosolar of flash point value, ignition delay time, burning rate and maximum fire height. This research used variation of used oil mixture 10%, 20%, 30%, 40% and 50%. The results show that flash point value increases with increasing percentage of used oil, which is influenced by the viscosity, density, and volatility of each variation of fuel mixture. The value of the ignition delay time increases with increasing percentage of used oil, which is influenced by the viscosity, density and volatility of each variation of fuel mixture. The burning rate value decreases with the increase of the used oil mixture, which is influenced by the viscosity, density, and volatility of each variation of fuel mixture. The maximum value of fire that can be achieved decreases, along with the increase of variation of used oil mixture and is influenced by viscosity, density and volatility value and each variation of fuel mixture.
SIFAT MATERIAL POLYESTER HYBRID COMPOSITE - BATANG BEMBAN (Donax Canniformis) Akhmad Syarief; Akhmad Yafie
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 2 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (352.329 KB) | DOI: 10.20527/sjmekinematika.v2i2.39

Abstract

Bemban (Donax Canniformis) is a plant similar to rattan, the stem produces fiber woven material. This plant has other names bamban, bumban, bomban, and so forth. Composites are a new type of material combined with two or more ingredients and have different properties with each other both physical properties and chemical properties. From the research of this hybrid composite stem rod, it is known in the specimens of impact test of volume fraction 60% bemban (Energy Absorption 21,11 J and Impact Price 0,0332 J / mm²) has the most optimum ductility than volume fraction 40% Energy Absorption 20.62 J and Impact Price 0.0324 J / mm²) and 50% bemban bemban (Energy Absorption 20,96 J and Impact Price 0.0330 J / mm²). In bending test specimens, the volume fraction of 60% bemban stem (Bending Strength 0.45 MPa) has the most optimum ductility properties compared to the volume fraction of 40% bemban rod (Bending Strength 0.63 MPa) and 50% bemban (Bending Strength 0.72 MPa). In tensile specimens fraction volume of 60% bemban rod (Tensile Strength 0.00449 MPa) has the most optimum ductility properties compared to volume fraction of 40% bemban rod (Tensile Strength 0.00224 MPa) and 50% bemban rod (Pull Strength 0.00284 MPa).
PENENTUAN OPTIMASI PARAMETER PERMESINAN TERHADAP KEKASARAN BAJA ST 42 HASIL PROSES BUBUT MENGGUNAKAN METODE TAGUCHI Alfiansyah Riady; Mastiadi Tamjidillah
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 2 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (285.786 KB) | DOI: 10.20527/sjmekinematika.v2i2.40

Abstract

This study aims to increase the Productivity of Rolling Using Taguchi Method. In the old industrial company the work of a product greatly affects the work cost and the level of machinary productivity, so it needs a method in order to optimize the level of productivity. The Taguchi method can be used to optimize to get the best machining productivity level. This research uses ST 42 steel material with conventional lathe machining process. It is known in this study to obtain the best roughness or optimum parameters used in the spindle rotation is 490 rpm, feeding motion 0.11 mm/rev, 0.2 mm feeding depth. the most influential factor in this research is spindle rotation 41.6%, feeding 46.3% while the eating depth is less influential that is equal to 5.4%.
KAJI EKSPERIMENTAL HIDROFOBISITAS DAUN DENGAN VARIASI VOLUME DAN BAHAN DROPLET Rachmat Subagyo; Dedi Muliadi
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 2 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (522.506 KB) | DOI: 10.20527/sjmekinematika.v2i2.41

Abstract

Based on the measurement of droplet contact angle on the surface of taro leaf, droplet measurement using mineral water volume 1-5 ml respectively that is 159,325°, 154,628°, 152,430°, 151,833°, 150,199°, while in sea water that is 154,011°, 152,266°, 149,265°, 149,290°, 144,345°, and on cooking oil that is 35,407°, 40,206°, 42,825°, 46,997°, 49,807°. Based on the measurement of droplet contact angle on the surface of serai leaf, droplet measurement using mineral water volume 1-5 ml respectively that is 132,791°, 130,539°, 126,367°, 124,409°, 122,005°, while at sea water that is 126,319°, 121,409° , 118,856°, 109,273°, 106,950° and on cooking oil that is 34,683°, 36,760°, 39,739°, 43,603°, 52,837°. Based on the measurement of droplet contact angle on papaya leaf surface, droplet measurements using mineral water are 87,766°, 83,538°, 82,248°, 74,157°, 71,079°, while in sea water 84,523°, 83,059°, 80,017° , 71,346°, 70,167°, and on cooking oil are 34,367°, 38,086°, 40,597°, 43,933°, 47,339°. With the difference in fluid in each leaf, it can be seen the nature of the leaf, different leaves and different fluids in droplet droplets become related to the surface causing a decrease in contact angle.
PERMODELAN ANALISIS PENGARUH TINGGI MAIN ROLL HOOP TERHADAP TEGANGAN DAN DISPLACEMENT PADA MOBIL FORMULA STUDENT AUTOMOTIVE ENGINEERING Hajar Isworo
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 1 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (668.444 KB) | DOI: 10.20527/sjmekinematika.v2i1.42

Abstract

The instability in the student formula vehicle during high-speed race requires car designers to make chassis models that are resistant to shocks, besides that the F1 student engineering drawing section is limited by rules in determining the dimensions of the chassis. The purpose of this research is to determine the effect of roll hope height on the strength of the deflection. Hope roll height variations are 518 mm, 525 mm, 532 mm. The methods used include making chassis design, determining roll height height variations, determining free body chassis diagrams, calculating using software, analyzing the results of deflection after loading. The results were the largest deflection of 20.37 mm (hope roll height of 532 mm), 14.94 mm (hope roll height of 525 mm), 14.16 mm (hope roll height of 518 mm). The conclusion is that the higher the roll hope, the higher the deflection will be.
ANALISIS PENGARUH BERBAGAI MACAM MERK OLI TERHADAP TEMPERATUR MESIN YAMAHA VIXION 150CC Aris Budi Perlindungan; Aqli Mursadin
Scientific Journal of Mechanical Engineering Kinematika Vol 2 No 1 (2017): SJME Kinematika Juni 2017
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (306.529 KB) | DOI: 10.20527/sjmekinematika.v2i1.43

Abstract

This study aims to determine the effect of various brands of oil against temperature, exhaust emissions, and performance on the engine yamaha vixion 150cc. This study was conducted by taking temperature data, exhaust emissions, and engine performance yamaha vixion 150cc. This research uses three different types of oil, namely super yamalube sport oil, ax7 advanced shell, and pertamina enduro. Temperature testing is performed at engine speed of 1,500 rpm, 4000 rpm and 10,500 rpm using neutral gear, 1, 2, 3, 4, and 5. Performance tests are performed using a dyno test for one test of each type of oil. Once the data in can and in the past compared the results of temperature data, exhaust emissions, and the performance of each type of oil. The best oil temperature test result is using yamalube oil. Testing the lowest exhaust gas emission gas emissions are advanced Ax7 shell oil. Ax7 shell oil produces the lowest exhaust emissions among other oils while enduro oil exceeds the standard exhaust emission limits of CO at 10,500 rpm to 5.42% while the standard is 4.50%. Testing the best performance is using enduro oil because enduro oil can produce the greatest power 13.55 Hp.
PEMBUATAN BIOETANOL BERBAHAN BAKU KULIT SINGKONG DAN KULIT NANAS DENGAN VARIASI MASSA RAGI Rachmat Subagyo; Imam Ahdi Saga
Scientific Journal of Mechanical Engineering Kinematika Vol 4 No 1 (2019): SJME Kinematika Juni 2019
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (628.436 KB) | DOI: 10.20527/sjmekinematika.v4i1.47

Abstract

This study aims to determine the best bioethanol levels from a combination of cassava and pineapple peels mixture with variations of yeast mass as much as 11 grams, 13 grams, 15 grams and 72 hours fermentation time, to determine the optimal yeast mass and determine ethanol levels according to SNI. This research was carried out by hydrolysis using distilled water for 30 minutes, then fermentation using yeast and distillation process, then tested with a Refractometer Pen. Selected samples will be tested for ethanol content using the Gas Chromatography tool. The highest ethanol content of ethanol making with a combination of cassava and pineapple peels is for a combination of 75% cassava peel - 25% pineapple peel 88.6% in a 15 gram yeast mass, a combination of 50% cassava peel - 50% pineapple peel 89.3% in 15 gram yeast mass. So it can be concluded that the ethanol content of the combination of cassava and pineapple peels is not included in the category of Indonesian national standards (SNI).

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