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All Journal JURNAL INTEGRASI Jurnal Teknologi dan Riset Terapan (JATRA) Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Nurman Pamungkas
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Aerospace Engineering Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Mechanical Engineering Other

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Pembangunan Bilik Pelindung Mesin Pembangkit Listrik di Kelurahan Rempang Cate Naufal A Prasetyo; Abulija Maskarai; Ari Wibowo; Asrafi Asrafi; Fedia Restu; Ihsan Saputra; James Siregar; Muhammad Ismail; Nurul Laili Arifin; Nurman Pamungkas; Yogantara Yogantara; Widodo Widodo
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol 4 No 1 (2022): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Pusat P2M Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/abdimaspolibatam.v4i1.3595

Abstract

Peningkatan pertumbuhan penduduk, berkaitan erat dengan terjadinya kepadatan penduduk yang mempengaruhi aktifitas, perkembangan dalam segi ekonomi, sosial, dan pengembangan fasilitas umum, sehingga tingkat kebutuhan air bersih akan meningkat pula. Namun pada kenyataannya kualitas dan kuantitas sumber air berbanding terbalik dengan peningkatan pertumbuhan penduduk, khususnya di daerah pedesaan. Keadaan di lapangan telah menunjukkan bahwa ada banyak daerah di pedesaan yang mengalami kesulitan penyediaan air, baik untuk kebutuhan rumah tangga maupun untuk kegiatan umum. Solusi untuk mengatasi keadaan tersebut dapat memanfaatkan pemakaian pompa air baik yang digerakkan oleh tenaga listrik maupun oleh tenaga surya telah lama dikenal oleh masyarakat desa, tetapi masih banyak masyarakat pedesaan yang belum memilikinya. Salah satu penyebabnya adalah terbatas aliran listrik seperti di Kelurahan Rempang Cate, Kecamatan Galang, Kota Batam. Sebagai solusi untuk hal tersebut, dapat digunakan pompa berbasis teknologi water lifting dengan tenaga listrik dari mesin pembangkit portabel. Pada sisi lain, komponen mesin perlu adanya perlindungan dari cuaca. Kegiatan ini menghasilkan luaran berupa rumah mesin berbahan sheet metal yang dapat melindungan mesin sehingga dapat bekerja dengan baik.
ALTERNATIF PENGGANTI PASTA ALUMINA SEBAGAI BAHAN POLISHER UNTUK METALOGRAFI Ari Wibowo; Hanifah Widiastuti; Nurman Pamungkas; Cahyo Budi Nugroho
JURNAL INTEGRASI Vol 12 No 2 (2020): Jurnal Integrasi - Oktober 2020
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/ji.v12i2.2022

Abstract

Polishing have played an important role in the preparation of metallography testing. Poor polishing produce in an unflat and rough surface of the material, resulting an unclear metallography image that is difficult to identified. In general, the material commonly used for polishing is alumina paste. Alumina paste is expensive and takes a few minutes to produce a smooth and flat surface. In this research, polishing was done by using several metal polisher other than alumina paste, these were magic***, auto***, bras**, ki*, menze*** and pri** which are sold cheaply at supermarkets or online stores. Analysis was carried out on the surface of the polishing by these materials and the etching surface. The test results showed that the material that is polished with magic *** has the smoothest surface or has the least residual scratches compared to other materials even compared to alumina paste, but has the disadvantage of corrosion forming on some parts of the surface. The best polishing time was obtained on polishing for 3 minutes
Simulasi Numerik Hot-Spot Stress dan Stress Concentration Factor pada Sambungan Tubular Sederhana T, Y, K, dan X Nurman Pamungkas; Suheri Suheri; Nur Fitria Pujo Leksonowati
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 3 No 1 (2021): Jurnal Teknologi dan Riset Terapan (JATRA) - June 2021
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v3i1.3104

Abstract

In offshore structures installation, tubular joints are commonly used. Tubular joints fabricated with welding processes often cause high hot-spot stress (HSS). High value of HSS and stress concentration factor (SCF) in tubular joints will reduce the service life of offshore structures due to fatigue loads. In this study simple tubular junctions T, Y, K, and X were used to obtain HSS and SCF through FEM simulation. The location of the maximum HSS under axial loading varied around the initial crown, in the In-Plane Bending (IPB) loading located after the second crown, while in the Out-of-Plane Bending (OPB) loading it was around the second saddle. In general, the SCF value in the three loading models from the FEM simulation is lower than SCF formula calculations in the previous study, these results are in line with recent SCF review study.
Karakteristik Lambung Kapal Gurindam Fuel Engine Politeknik Negeri Batam Sapto Wiratno Satoto; Nidia Yuniarsih; Hendra Saputra; Mufti Fathonah Muvariz; Naufal Abdurrahman Prasetyo; Nurman Pamungkas
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 3 No 1 (2021): Jurnal Teknologi dan Riset Terapan (JATRA) - June 2021
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v3i1.3055

Abstract

The character of the ship's hull will determine the speed and movement of the ship. Ship engine power to overcome resistance is influenced by the hull of the ship so that in doing the design it is necessary to calculate precisely. This research is a further study related to the installation of wireless control devices and the design of unmanned hulls but with a different hull and engine shape. The conclusions obtained from this study are the main size of the ship are as follows: LWL = 66.74 cm; B = 32.07 cm; T = 4.91cm; Cb = 0.338. The ship has pre planning at speed: 2.5 - 4.75 knots with 6.09 – 19.6 N resistance and froud number values between 1.028 – 1.952, then experience planning at a speed of 3.5 knots with resistance values starting at 5.59 N with froud number starting at 1.439. To reach the speed of 10 knots, the ship needs around 102 W of power. The object of the ship investigated above is the Batam State Polytechnic Gurindam ship, where the ship was once used for the national fast boat contest in Indonesia. Hopefully with this research, it can provide a knowledge related to the resistance that occur and, in the future, will be used as the basis for the development of the ship to be better designed.
Studi Pengaruh Flame Straightening Terhadap Kekerasan Material High Strength Low Alloy (HSLA) Nur Fitria Pujo Leksonowati; Salman Al Faris; Nurman Pamungkas
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 3 No 1 (2021): Jurnal Teknologi dan Riset Terapan (JATRA) - June 2021
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v3i1.3109

Abstract

High strength low alloy (HSLA) steel has higher mechanical strength than steel in general but with easy weldability, in this study the material used is S690QL. Flame straightening is used to restore the distorted shape of the S690QL material due to the heating and cooling process during the fabrication process. The purpose of this study was to determine the hardness value of the S690QL material after going through the flame straightening process. Flame straightening process is carried out by line heating technique using temperature variations of 700 °C, 750 °C, and 800 °C for 45 minutes in each temperature variant. A nozzle with a diameter of 14 mm – 20 mm with a multi flame torch is used in the flame straightening process. As a step to reduce residual stress and stress relieving, Post Weld Heat Treatment (PWHT) with a holding time of 1 hour was carried out. The process is continued with water cooling to room temperature. Vickers hardness test is carried out by taking 9 sample points, 2 points on the base metal, and 7 points on the Heat Affected Zone area. Based on the test results, it is known that at temperatures of 700 and 750 there has been no phase change, so the highest hardness values ​​at these temperatures are 270 HVN and 295 HVN. While at a temperature of 800 °C, there was a phase change marked by the hardness value which increased to 379 HVN.
Penerapan Keselamatan dan Kesehatan Kerja Pada Proses Perbaikan Kapal Kayu di Daerah Pasir Panjang Sapto Wiratno Satoto; Hendra Saputra; Nidia Yuninarsih; Hanifah Widiastuti; James Siregar; Naufal Abdurrahman Prasetyo; Mufti Fathonah M; Nurman Pamungkas; Sriyanto Sriyanto; Meida Perwira Antartika; Yogantara Yogantara
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol 1 No 1 (2019): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Pusat P2M Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/abdimas.v1i1.1161

Abstract

Perbaikan dan perawatan kapal merupakan proses yang dilakukan pemilik kapal agar kondisi kapal yang diunakan selalu dalam kondisi prima. Masyarakat pesisir melakukan perbaikan kapal berdasar atas pengalaman yang biasanya diperoleh secara turun temurun. Dalam proses tersebut banyak masyarakat yang kurang peduli dengan resiko keselamatan dan kesehatan kerja. Hal ini bisa terjadi karena msyarakat sering berikir bahwa selama ini kegiatan tersebut tidak masalah sebab mereka tidak pernah sakit. Dengan kurang awamnya masyarakat terhadap masalah tersebut maka perlu diberikan sebuah penyuluhan serta langkah aman dalam melakukan perbaikan kapal yang pasti akan mereka lakukan.
Pengendalian Penularan COVID-19 Melalui Penerapan Non Medical Infant Face Shield (Nomifes) Nidia Yuniarsih; Nurul Laili Arifin; Hanifah Widiastuti; Nugroho Pratomo Ariyanto; Nurul Ulfah; Widodo Widodo; Budi Baharudin; Aulia Fajrin; Muhammad Ismail; Nur Fitria Pujo Leksonowati; Domi Kamsyah; James Siregar; Nurman Pamungkas; Sapto Wiratno Satoto; Mufti Fathonah Muvariz
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol 3 No 1 (2021): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Pusat P2M Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/abdimas polibatam.v3i1.2618

Abstract

Personel Protective Equipment (PPE), as prevention to curb COVID-19 transmission which mainly via droplet, is a mandatory protocol as rising COVID-19 confirmed case. Face shield can protect face from droplet exposure. Besides health care professionals, pregnant women and newborn infants are susceptible population to exposure of SARS-CoV-2. Infant under two years is not recommended to use face mask due to breahing difficulty which can lead to mortality. Therefore, face shield is recommended for infant to give protection from virus transmission. As part of community service, Politeknik Negeri Batam produces Non Medical Infant Face Shield for infant and toddler to curb COVID-19 transmission. The program aims at community health centers (Puskesmas) of Batu Aji, Tanjung Uncang, Sekupang, and Kampong Jabi Nongsa. These partners value highly the community service program in terms of simplicity, clear working instruction, comfortability, recurring sterilization, and product quality. Moreover, high demand of face shield in Puskesmas that use face shield more than three times a day, indicates benefit of the community service in providing PPE for medical treatment at Puskesmas
Co-Authors Abulija Maskarai Ari Wibowo Ari Wibowo Asrafi Asrafi Aulia Fajrin Budi Baharudin Cahyo Budi Nugroho Domi Kamsyah Fedia Restu Hanifah Widiastuti Hendra Saputra Ihsan Saputra James Siregar Meida Perwira Antartika Mufti Fathonah M Mufti Fathonah Muvariz Muhammad Ismail Naufal A Prasetyo Naufal Abdurrahman Prasetyo Nidia Yuniarsih Nidia Yuninarsih Nugroho Pratomo Ariyanto Nur Fitria Pujo Leksonowati Nurul Laili Arifin Nurul Ulfah Saiful Akhyar Lubis Salman Al Faris Sapto Wiratno Satoto Sriyanto Sriyanto Suheri Suheri Widodo Widodo Yogantara Yogantara