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Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi
Published by Universitas Pancasila
ISSN : 26551861     EISSN : 27162923     DOI : https://doi.org/10.35814
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Jurnal ini mempublikasikan artikel ilmiah berbasis penelitian, studi kasus, articles review, rekayasa dan inovasi yang mencakup teoritis maupun praktis serta pengembangannya. Topik artikel ilmiah yang dimuat ASIIMETRIK mencakup bidang Arsitektur, Teknik Sipil, Teknik Industri, Teknik Informatika, Teknik Mesin dan Teknik Elektro.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 411 Documents
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Proses Simulasi Sistem Concentrated Solar Power Equipment Arief Kurnia; Dwi Rahmalina
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.1874

Abstract

The increase in the use of electrical energy in Indonesia is currently increasing from year to year and the population in Indonesia is increasing very rapidly, therefore we need an energy utilization technology that does not need a lot of money to operate it. Because Indonesia is located on the equator which makes Indonesia has a great potential for sun exposure. Utilization of solar energy can be done by using a technology to generate electricity from solar energy sources, namely Concentrated Solar Power (CSP) technology. Concentrated Solar Power (CSP) is a technology that uses solar energy that produces electrical energy from a component that converts heat energy into electrical energy using a Stirling engine. In this research, the solar energy utilization device developed is a Ground Base type Concentrated Solar Power (CSP) device equipped with a liquid fluid delivery system in the form of a piping system and a Stirling engine. By using a satellite dish measuring 6 feet or 1830 mm, and also added a drive system to move the parabola according to the point of efficient solar heat reception.
Analisis Motor Listrik Tipe Synchronous dengan Metode Komputasi James Julian; Fitri Wahyuni; Lomo Mula Tua; Nely Toding Bunga
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 1 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i1.1879

Abstract

In the current technological development, the electric motor is the most popular in various industrial applications. Electric motors today have evolved very quickly and have a significant impact on the lives of the wider community. The use of environmentally friendly and efficient energy is one of the reasons why this motorbike has become a pioneer of technological advances, especially in the automotive world. This research focuses on conducting a comprehensive analytical study on one type of electric motor, namely synchronous because it is widely applied in various conditions today. The analysis was carried out using a computational method by applying the finite element as a method of solving the magnetic field case involving Maxwell's equations and its impact on the torque generated in this synchronous motor. From the computation results, it is found that this synchronous motor does have a high torque when the magnetic field flux works constantly at 0.015 Wb. With an average torque generated by this synchronous motor of 1.5 kW.
Cover and Preface Vol. 3 No. 1, January 2021 Editor
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 1 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Studi Lapisan Hasil Hardfacing Dengan Variasi Arus Dan Elektroda AWS A5.13 EFe2/A5.1 E7018 Ferry Budhi Susetyo; Himawan Hadi Sutrisno; Rizchi Ayu Suryadewi
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.1944

Abstract

The current becomes a factor influencing the hardness value In the welding. The higher the welding current would affect the higher the hardness test results. If the current were used is low it will make it difficult to ignite the electric arc. Aims of this study to determine the effect of welding current (90, 110 and 130 A) and buffer layer on hardness, macro and microstructure layers are result from hardfacing using AWS A5.13 EFe2/AWS A.51 E7018 elektrodes. The hardfacing process uses a Shielded Arc Metal Welding (SMAW) welding machine with DC+ polarity. Hardfacing consists of three layers, 1st layer uses AWS A5.13 EFe2 electrode, 2nd layer uses AWS A.51 E7018 electrode, and 3rd layer uses AWS A5.13 EFe2 electrode. The increase in hardness will occur significantly after hardfacing on the base metal. The higher welding current is resulting the higher hardness value. The hardness of the 130 A specimen is higher than 90 A and 110 A specimen. In the 130 A specimen the hardness value was 468.1 VHN, and in the 90 A specimen the hardness value was 358.94 VHN.
Pengaruh Pemasangan Exhaust Gas Recirculation Terhadap Emisi Gas Buang Honda Supra X 100 I Wayan Sugita; Catur Setyawan; Amanda Utari Dewi
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.1958

Abstract

The increasing demand of motorcycle for humans is directly proportional to the gas emissions by motorcycle. It will cause air condition bad and can cause health problems for humans. One of the solutions for the problem gas emissions produced by motorcycle is doing a modification on exhaust pipe with using Exhaust Gas Recirculation (EGR). This study aims to know the effect of EGR on exhaust gas emission of Honda Supra X 100. The research uses the experimental methods. Emission testing be held to determine the effect after using EGR on the resulting exhaust gas elements by varying the conditions of the mixture (rich and lean), engine speed (1500, 2500, 3500, 4500, 5500 rpm) and fuel (premium, pertalite). The result after using EGR, increased emissions of HC, decreased emissions of CO, increased and decreased CO2 and increased AFR values.
Karakteristik Briket Pelepah Kelapa Sawit Menggunakan Metode Pirolisis Dengan Perekat Tepung Tapioka Dani Saputra; Ahdiat Leksi Siregar; Istianto Budhi Rahardja
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.1973

Abstract

The energy crisis in Indonesia is marked by the increasing scarcity of fuel oil in the midst of society. One of the alternative energy sources is charcoal briquettes, where the ingredients are derived from solid waste from palm fronds. This study aims to determine the characteristics of oil palm midrib briquettes with 50% tapioca flour adhesive. The palm fronds were chopped to a size of ± 5 cm and then put into the pyrolysis chamber. Oil palm fronds were burned with a little oxygen at a temperature of 200-300⁰C for 3 hours. The result of pyrolysis combustion from oil palm fronds in the form of charcoal, then ground and filtered with a mesh of 60. The charcoal is glued with tapioca flour in a ratio of 2:1. Briquette testing is carried out at the Briquette Testing Laboratory provider to determine the parameters of combustion time, calorific value, moisture content, ash content, and carbon content that occur. From the test results, the following parameters are obtained: the average burning time is 1 minute/gr, the calorific value is 5.361kcal/kg wet basis and 5.863 kcal/kg dry basis, the water content is 8.56%, the ash content is 6.84 % wet basis and 7.48% dry basis, volatile matter is 36.96% wet basis and 40.42% dry basis and fixed carbon 47.64% wet basis and 52.10% dry basis.
Perancangan Permanent Magnet Synchronous Generator Sultan Wind Turbine V-5 Muhammad Irfan; Erwin Erwin; Slamet Wiyono
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.2055

Abstract

Wind is an inexhaustible source of energy so that the use of wind energy change systems will have a positive impact on the environment. Sultan Wind Turbine is a vertical axis wind turbine called the Vertical Axis Wind Turbine (VAWT). Synchronous generator is a machine that converts mechanical energy into electrical energy. Permanent magnet synchronous generator (PMSG) is a generator that uses permanent magnets to generate an air gap field instead of using an electromagnet. The purpose of this study is to design a 100 W PMSG generator for Sultan Wind Turbine using the MagNet infolytica software, then the results of looking for simulations at various speeds and various loads, after that to determine the value of the output power and efficiency at each loading and RPM. The design of this generator is the first design that is adapted to previous research where this design will optimize the simulation of previous designs that were applied to the Sultan Wind Turbine v-5. A method for designing a permanent magnet synchronous generator simulation of the sultan wind turbine which will be tested in developing its performance using the J.R. Handershot. In this design using MagNet Infolytica software to find the values ​​of Voltage and Current along with Torque obtained from simulations with the finite element method, then data processing is carried out in Excel to find the value of output power and efficiency. The results obtained in this study are by changing the geometric shape. able to produce with a rotating speed of about 100 rpm to 150 rpm at a load of 5 ohms, namely 125, 86 Watt to 231.59 Watt. The average DC voltage is 33.5 volts, the average DC current is 6.65 Ampere, the torque is 23. 24 Nm, the input power is 365.14 Watts, the output power is 231.59 Watts and the efficiency ranges from 58% to 79%.
Analisis Perbandingan Sistem Kinerja Motor Penggerak Pada Mobil Listrik Kapasitas 75 kWh Indriawan Viantama; Budhi Muliawan Suyitno
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.2083

Abstract

Population growth and the increasingly rapid industrial technology to 4.0. So that there was an electric car with an electric motor as the driving force. At first, electric cars used a DC motor system. But the triumph of this DC motor is not long in coming because problems arise when compared to induction motors such as complicated maintenance, much higher prices, and heavier weight than induction motors. In an induction motor, the control is believed to be easier than a DC motor. The induction motor is believed to make it possible to drive an electric car. The advantage of using this induction motor is that it has durability, reliability, if exposed to interference, it remains strong, easy to maintain, and the ability to operate in extreme environments. These advantages can replace the use of DC motors. Where the induction motor receives power from a rechargeable battery, so that the analysis of data from an induction motor for an electric car with the calculation of the electric motor rotation is 1,500 rpm, the motor power itself is 375 kW, the maximum and minimum torque generated is 582 Nm and 271 , 2 Nm, with a battery life of 189.3 hours. The resulting acceleration to reach speeds of 0-100 km / h only takes 5 seconds.
Analisis Pengaruh Turbine Washing Terhadap Efisiensi dan Daya Pembangkit Turbin Uap Sagita Firza Nur; I Gede Eka Lesmana
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.2094

Abstract

The steam turbine is one of the main components in the Geothermal Power Plant which acts as the prime mover is used to convert heat energy in steam into rotation energy. At PLTP X, steam is used to drive the turbine is in saturation conditions. The principle of the steam turbine is dry steam plant cycle. From July to August, it was known that there have been several decreases in generating power at Unit 2 at PLTP X. The efforts that can be done to overcome this problem is by turbine washing. This study aims to compare the performance of steam turbines based on thermal efficiency, isentropic efficiency and steam turbine generator power before and after turbine washing from the calculation results based on CEI/IEC 953-1, CEI/IEC 60953-3 and ASME PTC 6-2004 standards using the actual steam system operating parameter data collection, interviews and analysis. So that it gets an average increase in isentropic efficiency of 0,0564 %, thermal efficiency of 0,0082 %, the actual power generation of steam turbine is 162,72 kW and the largest power generation reaches 54.500 kW after the turbine washing steam rate of 7,5963 kg/kWh and the turbine heat rate of 3.607,3453 kJ/kWh.
Analisis Keretakan pada Sambungan Las antara Pipa ASTM A106 dengan Globe Valve Amri Abdulah; Apang Djafar Shieddique; Jatira Jatira; Dede Ardi Rajab; Sukarman Sukarman
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.2150

Abstract

Crack failure often occurs in piping installations, especially in the welding area which can be caused by excessive stress or corrosion of the material. In this case, the crack failure in the HAZ area will be discussed near the pipe connected to the valve for the heat transfer fluid line. The method used in this paper is the inspection of the attached materials using OES (Optical emission spectroscope), observation of pipe and valve joints and failure analysis. From the results of material inspection, it was found that the pipe used was ASTM A106, then from the microstructure it was seen that the grain dimensions were not homogeneous, it would cause the strength of material heterogeneity, then from visual observation, it could be seen that pipe joints and valve misalignment occurred.

Page 29 of 42 | Total Record : 411

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