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Pribadi Mumpuni Adhi
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Jurnal Mekanik Terapan
Published by Politeknik Negeri Jakarta
ISSN : -     EISSN : 27471381     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Mekanik Terapan (JMT) adalah jurnal ilmiah yang terbit secara berkala dua kali setahun pada bulan Mei dan Oktober. Jurnal ini dapat digunakan sebagai sumber informasi ilmiah untuk peneliti, akademisi atau lembaga penelitian, insinyur industri, dan lembaga pemerintah. JMT memuat informasi bidang riset Mekanik Terapan berupa hasil riset dan Ulasan Ilmiah pada bidang: -Teknik Mesin dan Manufaktur -Energi (Konversi Energi, Renewable Energy, Applied Chemistry in Energy) -Mekatronika dan Robotika -Otomotif (Alat Berat dan Kendaraan Ringan) -Material dan Metalurgi -Teknik Pembangkit Tenaga Listrik
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
 1 
Search results for , issue "Vol 3 No 2 (2022): Agustus 2022" : 5 Documents clear
2D Mapping Lingkungan Indoor Menggunakan Lidar dan ROS untuk Mobile Robot Hasvienda Mohammad Ridlwan; Sonki Prasetya; Muslimin Muslimin
Jurnal Mekanik Terapan Vol 3 No 2 (2022): Agustus 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v3i2.4285

Abstract

Currently, the application of control systems has been applied in various scientific fields including mechatronics and robotics. Applications in the branch of robotics are also growing day by day not only with conventional controls but also with intelligent systems. An autonomous robot in carrying out certain missions in an unknown environment requires information about the location itself and the environment through the map. A process to identify a position without a map is called a localization function on the robot. Mobile robots building maps and localization are two fundamental tasks when mobile robots work in indoor environments. With 2D laser scanning (LiDAR) data obtained in real-time, the robot can calculate the area of ​​all empty spaces in a room, then can choose the center of the room as its position for map building. The objective of this research is to implement a two-dimensional mapping method using LiDAR. The algorithm used in this study is the Gmapping Technique on ROS. The main purpose of this research is to map mobile robots with LIDAR sensors using the Robot Operating System for navigation and positioning of mobile robots. Through the actual experimental results, the mobile robot will move with a 2-dimensional mapping process.
Pengaruh Korosi Terhadap Kegagalan Logam pada Jembatan : Literature Review Anita Putri Kurniasari; Yasmina Amalia
Jurnal Mekanik Terapan Vol 3 No 2 (2022): Agustus 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v3i2.4597

Abstract

Steel bridges are used as construction materials because of their lightweight properties, durabil-ity, and ease for assembled. But failure on steel bridges increases exponentially. Structural fa-tigue, material aging combined with an increase in traffic loads, is a cause in damage to the bridge, where in this case corrosion is the main discussion of decreased quality and failure on the bridge. In the results of the literature review of several papers, the results were obtained that from visual observations in bridge steel in the sea water environment, rivers, and in the envi-ronment around the toilet waste. Damage to the bridge structure caused by corrosion from chlo-ride ions in sea water is higher than corrosion in the river environment and waste fluids on the train. The corrosion rate that occurs in the marine environment is higher than the river environ-ment and toilet waste fluids. In the corrosive environment, chloride ions or sulfate will diffuse into steel through concrete bridge structure.
Root Cause Failure Analysis pada Shutoff Hot Damper Mill Di Pt. Indonesia Power Unit Jasa Pembangkitan Jawa Tengah 2 Adipala Fitri Wijayanti; Nadiyatul Fadhila
Jurnal Mekanik Terapan Vol 3 No 2 (2022): Agustus 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v3i2.4616

Abstract

PT Indonesia Power Unit Power Generation Services Central Java 2 Adipala is one of the suppliers of electrical energy on the islands of Java, Madura and Bali. The main components of PLTU Central Java 2 Adipala are Boilers, Steam Turbines and Generators. The combustion system in the heating process in the boiler requires air, fuel, and heat. Coal as fuel is supplied from coal handling and distributed to the bunker and then through the coal feeder to the Pulvarizer/Mill before going to the combustion chamber. At the time of milling there is a drying, distribution and separation process of coal with foreign objects carried from the mining process so that the coal entering the combustion chamber meets specifications. The milling process is carried out with the help of a Primary Air Fan (PAF) to suck air into the Mill/Pulvarizer. Before entering the Mill/Pulvarizer, the cold primary air and hot primary air are held by the Shut Off Damper, which functions to open and close the PAF airflow to the Mill/Pulvarizer. In the process, there is a possibility of damage/failure from the Shut Off Damper so that the continuity of the process at the Mill/Pulvarizer is disrupted. For this reason, it is necessary to analyze the damage/failure to the Shut Off Damper and solutions
Rancang Ulang Prototipe Pembangkit Listrik Tenaga Piko Hidro Portabel Tipe Cross Flow Bella Maharani Marcellia Suseno
Jurnal Mekanik Terapan Vol 3 No 2 (2022): Agustus 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v3i2.4619

Abstract

Electricity is one of the most important needs in everyday life. The need for lighting for study or research purposes in a field that has not been reached by a power source makes a portable Pico Hydro Power Plant (PLTPH) a solution to obtaining electricity supply by utilizing a water source with a fairly small discharge and head. The steps that have been taken in the design of the portable PLTPH include a study of the PLTPH that was once designed by Dzulfikri (2021), reverse engineering of the portable PLTPH such as inlet and outlet, the shape of the turbine housing, supports, turbine runners, testing installations, and nozzle cross-sectional area. Next, prepare the test installation. The testing process was carried out and continued with the discussion of the test results. The dimensions of the tool are 266.63 mm long, 190 mm wide, and 226.88 mm high, which were made using a 3D Printing machine using PLA plastic material. The results of the reverse engineering test results have a rotational speed of 794 rpm, a discharge of 3,867 l/s, and a head of 2 m, resulting in a mechanical power of 20.13 W and an efficiency of 26.0%. These results produce greater mechanical power and efficiency than the existing equipment (mechanical power of 11.7 W and efficiency of 23%). Keywords: Pico Hydro, Portable, Reverse Engineering, Cross Flow
Performa Performa Kendaraan Konversi Listrik melalui Pengujian Dynotest Fuad Zainuri; Muhammad Hidayat Tullah; Isnanda Nuriskasari; Rahmat Subarkah; Widiyatmoko Widiyatmoko; Sonki Prasetya; Iwan Susanto; Belyamin Belyamin; Abdul Azis Abdillah
Jurnal Mekanik Terapan Vol 3 No 2 (2022): Agustus 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v3i2.4621

Abstract

Pada penelitian ini dipaparkan tentang konversi yang dilakukan dengan mengubah kendaraan konvensional berbahan bakar bensin dengan listrik. Penggantian dilakukan dengan melepas Engine penggerak dan menggantikannya dengan motor penggerak yang secara otomatis ditambahkan dengan Baterai sebagai sumber energi. Selanjutnya dari hasil konversi tersebut dilakukan pengujian torsi dan rpm melalui Dynotest yaitu suatu metode pengujian performa mesin kendaraan (motor listrik) dengan cara melihat tenaga (power) dan torsi (torque). Torsi adalah kemampuan mesin untuk menggerakkan atau memindahkan kendaraan listrik dari kondisi diam hingga berjalan dan ketika berjalanpun ada variasi antara kecepatan dengan perubahan gigi yang dilakukan . Selain itu juga dengan Dynotest akan diketahui titik tertinggi nilai Torsi pada setiap gigi. Pada pengujian yang dilakukan didapatkan nilai perubahan gigi yang didapat dari gigi-1 kecepatan maks 20 km/jam, gigi-2 kecepatan maks 40 km/jam, gigi-3 kecepatan maks 60 km/jam dan gigi-4 kecepatan maks 80 km/jam. Pada kendaraan listrik ini pengukuran pada Ampere dan voltase dilakukan guna mengamati performa motor dan baterai sebagai komponen utama dan didapatkan nilai lonjakan pada setiap pergantian gigi.Lonjakan tersebut terjadi akibat dari kombinasi pijakan gas ,rem dan kopling yang bergantian guna mendapatkan nilai akselesari yang nyaman.

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