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Jurnal Energi dan Teknologi Manufaktur (JETM)
Published by Politeknik Negeri Malang
ISSN : 26208741     EISSN : 26207362     DOI : 10.33795/ath
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Energi dan Teknologi Manufaktur adalah jurnal bidang Teknik Mesin yang diterbitkan oleh Jurusan Teknik Mesin, Politeknik Negeri Malang. Jurnal Energi dan Teknologi Manufaktur diterbitkan dua kali dalam setahun pada bulan Juni dan Desember. Kami menerima artikel hasil penelitian ilmiah di bidang Teknik Mesin khususnya: Energi Terbarukan, Pemeliharaan Mesin Konversi Energi, Inovasi Teknologi Manufaktur, Pemeliharaan Mesin Manufaktur dan Analisis Sistem Manufaktur.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 7 Documents
 1 
Search results for , issue "Vol 2 No 01 (2019)" : 7 Documents clear
KARAKTERISTIK TERMOELEKTRIK TEC BERVARIASI TIPE SEBAGAI PEMBANGKIT LISTRIK DC Alfi Tranggono Agus Salim; Yuli Prasetyo; Bachtera Indarto; Sulistyono Sulistyono; Muhammad Aji Pangestu; Muhammad Ruston Habibi; Muhammad Nur Cahyanto; Hilman Naufal Rafi
Jurnal Energi dan Teknologi Manufaktur Vol 2 No 01 (2019)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v2i01.27

Abstract

Thermoelctric Cooler (TEC) merupakan sebuah komponen pendingin solid-state elektrik yang bekerja sebagai “Pemompa Panas” dalam melakukan proses pendinginan Thermoelctric Cooler (TEC) memanfaatkan efek peltier yaitu apabila arus listrik searah yang melalui sambungan dua bahan termoelektrik menghasilkan perbedaan temperatur diujung sambungan. Penggunaan elemen termoelektrik sebagai pembangkit listrik dengan merubah energi panas menjadi energi listrik merupakan konsep efek seeback yang diaplikasikan pada Thermoelctric Generator (TEG). Penelitian ini bertujuan untuk menganalisa kemampuan tipe Thermoelctric Cooler (TEC) sebagai Generator pembangkit listrik menggunakan efek seebeck. Pengujian dilakukan dengan cara eksperimental dengan memanaskan dan mendinginkan pada setiap sisi elemen termoelektrik tipe Thermoelctric Cooler (TEC). Tipe TEC yang digunakan antara lain C dilakukan untuk memperoleh nilai tegangan dan arus listrik dengan variasi pembebanan resistor sehingga dapat dihitung daya listriknya. Temperatur diatur pada perbedaan 100oC. Dari pembebanan resistor paling rendah 1 KΩ dihasilkan daya tertinggi pada tipe TEC 1-12710, dengan daya yang dihasilkan sebesar 265 X 10-5 watt. Dengan nilai tegangan listrik dan arus listrik tertinggi yang dihasilkan pada tipe TEC 1-12710 sebesar 1,83 V dan 1,59 mA. Dapat disimpulkan bahwa tipe TEC 1-12710 dapat menghasilkan daya listrik paling besar jika dibandingkan dengan tipe Thermoelctric Cooler (TEC) lain yang diujikan
Pengaruh Penyetelan Mesin Menggunakan BB Gasohol E15 Terhadap Emisi Sukardi, M.Pd Sukardi Sukardi; Agung M Pribadi; Abdi Sampurno
Jurnal Energi dan Teknologi Manufaktur Vol 2 No 01 (2019)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v2i01.29

Abstract

Emissions produced by vehicles have a negative impact on human health and the environment, so steps need to be taken to reduce them. The use of a mixture of gasoline and alcohol (Gasohol) E15 fuels has a positive impact on reducing emissions. The number of conventional vehicles / cars that are still operating in Indonesia is generally prepared to use Gasoline only. If you want to use alcohol as a mixed fuel, you need a deeper study. The research objectives were to: 1) Test the effect of setting the ignition angle on CO and HC emissions, and 2) Test the effect of adjusting screw settings on CO and HC emissions. This research is using experimental method. The results showed that: 1) Standard adjustment has the lowest emission effect, and 2) there is an effect of Adjusting Screw settings on emissions.
Pengaruh Waktu dan Temperatur terhadap Sifat Mekanik Pasir dan Kualitas Produk Cor dengan Metode Shell Moulding Roni Kusnowo; Sophiadi Gunara; Syani Ghozali Fauzan
Jurnal Energi dan Teknologi Manufaktur Vol 2 No 01 (2019)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v2i01.30

Abstract

The shell molding method is one of the processes of coating sand grains in a thermo setting resin which preserves heat on the model. To produce castings products that have good quality and produce maximum mechanical properties from the shell molding process, it must be known that the right procedure stages such as the right heating time. But currently there is no technical procedure that is found that is the right temperature and heating time for making shell molding to produce good surface quality of castings. This study aims to determine the effect of temperatures and heating time on the mechanical properties of RCS (resin coated sand) and the quality of the object castings. A series of testing methods, carried out by heating the RCS on the sample mold bending and hardness test. Testing the mechanical properties of sand includes bending test and hardness test. The time variations used in sand heating are 1 minute, 2 minutes and 3 minutes with temperature variations of 1800C, 2000C, 2200C, 2400C, 2600C and 2800C. After knowing the results of the most optimal temperature and time from testing mechanical properties then making molds using the shell molding method, the molding material used is aluminum. The mold formed from the shell molding method is then cast using NiHard1 material with a temperature of 14000C. The results of the castings will be identified visually and compared with the mechanical properties of the sand obtained. The results of this study obtained the highest value on the graph of the results of mechanical properties testing at a temperature of 2200C with a heating time of 2 minutes. The results of castings best viewed in terms of visual obtained by heating time for 2 minutes and 3 minutes at a temperature of 2200C. This showed that the heating time for 2 minutes and 3 minutes at the temperature of 2200C results in the highest mechanical properties and the best quality of castings for shell molding method.
Desain dan Analisis Tegangan Alat Pengangkat Roket Kapasitas 10 Ton Menggunakan Metode Elemen Hingga Lasinta Ari Nendra Wibawa
Jurnal Energi dan Teknologi Manufaktur Vol 2 No 01 (2019)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v2i01.31

Abstract

This study examines the design and stress analysis of a 10 ton capacity rocket lifting device using the finite element method. The material used is Aluminum alloy 7075. Finite element analysis is done numerically by using Autodesk Inventor Professional 2017. software The simulation results show that the structure of the rocket lift has Von Mises stress, deformation, mass, and safety factors of 46.34 MPa, 0.7947 mm, 186.75 kg, and 3.13.
OPTIMALISASI COMPOSIT ABSORBER PADA MUFFLER UNTUK MENURUNKAN KADAR EMISI GAS BUANG MOTOR BENSIN listiyono yono listiyono; Bambang Irawan; Agus Hardjito
Jurnal Energi dan Teknologi Manufaktur Vol 2 No 01 (2019)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v2i01.33

Abstract

The problem of air pollution caused by burning of fossil fuels and the process of combustion is increase. Many efforts. has done to reduce the air pollution problem. Starting from the combustion process to give equipment as reduce gass emissions and raise the quality of burning, but the ari pollution is still high, especially the burning gasoline of motor fuel Air pollution a motor vehicle exhaust gases come from the rest of the results of the combustion of fuel that do not be unraveled or burning with perfect. Bad gass emissions caused by incomplete combustion of fuel in the fuel chamber. Element contained in the exhaust gasses are CO, NO2, HC, C, H2, CO2, H2O dan N2, The CO and CO2 gasses is the most radical among the others. The CO gass is poisonous, if a men inhale this gas can caused death. While the CO2 gass is a radical gass who can cause the greenhouse effect. The aims of this research are : 1 to understand the effect of carbon composite material, lime and glue towards reductions in emission of motor vehicle . 2. to find out the optimal composition of composite material to reducing the emission level of motor vehicle.The study and research in order to reduce gas emissions until now have done using installation catalyst on muffler. In this research, the mixed of absorption exhaust gas is observed. Especially the poisonous gas. The mixture material is made from carbon, lime and glue. And then installed on muffler filter. A mixture is made by comparation varied. Using minitab software for analyse and the conclusions are: 1. The addition of absorben composition between carbon (C) with lime (CaO) on exhaust can reduce the level of gass emission. 2. The most optimal composition absorben C and CaO in absorption and produce the lowest C and CO2 gass is C and CaO with comparison ratio is 30 %: 70 %
Analisis Getaran Kendaraan Sistem Satu Roda dalam tinjauan Dua Derajat Kebebasan Pipit Wahyu Nugroho
Jurnal Energi dan Teknologi Manufaktur Vol 2 No 01 (2019)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v2i01.34

Abstract

The comfort of the vehicle passenger of the vehicle and its stability are the important variables that are always needed by everyone who uses transportation. In order to achieve this goal, the suspension of the vehicle will play an important role because its function is to isolate passengers from the effects of excitation from outside the vehicle and also to control the wheels attached to the road surface. Therefore in this study, the influence of various types of suspensions on vehicle vibrations is observed in terms of comfort and stability. The type of suspension in this study is related to the level of suspensión stiffness namely the spring and the damper. Vehicle modeling to be applied in a one-wheeled vehicle with two degrees of freedom. The experimental study is conducted by loading of vehicle body weight and passengers to three type of suspension, soft, medium and hard. Vibration responses to be analyzed on the vehicle equation using Matlab to obtain the acceleration response of the displacement and the defelction. This research obtains a vibration response graph for each type of suspension for some kind of road profile.
PENGARUH PENGATURAN MODE CO DAN RPM MESIN TERHADAP EMISI GAS BUANG SEPEDA MOTOR INJEKSI SUGENG PRAMUDIBYO PRAMUDIBYO
Jurnal Energi dan Teknologi Manufaktur Vol 2 No 01 (2019)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v2i01.37

Abstract

The high population in Indonesia has an impact on increasing the mobility of the population in work and activities, which is followed by the increased transportation facilities needed by the community. One of the negative effects of the increasing number of vehicles is the danger of exhaust emissions. One way to minimize the danger of exhaust gases is to regulate the mixture of air and fuel on the gasoline engine. In Yamaha injection motors there is a CO setting technology, this technology will have an impact on fuel use. The standard CO on a Yamaha motorbike is 0 and can be added or reduced (±) until it reaches 30. Increasing CO one strip will cause the fuel sprayed by the injector to be reduced by 0.05 cc. Examination of exhaust gas emissions is carried out using the Qrotect 401 Engine Gas Analyzer which is capable of measuring CO2, O2, CO, HC and Lamda. Based on the test results show that the lowest exhaust emissions are produced by the vehicle at 2500 rpm and in CO-30 mode settings, namely CO gas emissions of 0.49%. So we can conclude that the lowest exhaust gas emissions are produced by the vehicle at rpm 2500 with CO-30 settings. In addition to co mode settings, variations in engine rpm also affect exhaust emissions. In different modes but with different rpm the results will also be different. In the CO 10 mode setting with rpm 1400 CO gas emission is produced at 2.102 while at 2500 rpm is produced 0.821. So at rpm 2500 produced exhaust emissions lower than rpm 1400. There is a significant effect between CO mode settings and engine rpm on motorcycle exhaust emissions.

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