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All Journal The Indonesian Journal of Naval Architecture JURNAL INTEGRASI INOVTEK POLBENG Jurnal Teknologi dan Riset Terapan (JATRA) Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam INTERNATIONAL JOURNAL OF MECHANICAL COMPUTATIONAL AND MANUFACTURING RESEARCH Proceeding Applied Business and Engineering Conference
Nidia Yuniarsih
Politeknik Negeri Batam
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Perhitungan Hambatan pada Perahu Tradisional Mufti Fathonah Muvariz; Nidia Yuniarsih; Sapto Wiratno Satoto; Naufal Abdurrahman Prasetyo; Nurman Pamungkas
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 1 No 2 (2019): Jurnal Teknologi dan Riset Terapan (JATRA) - December 2019
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (734.867 KB) | DOI: 10.30871/jatra.v1i2.1797

Abstract

Nama lain perahu di Batam disebut dengan boat atau pancung. Masyarakat belakang padang, moda transportasi boat ini merupakan sarana utama penyebrangan menuju pulau Batam. Boat dibuat dari bahan utama kayu. Saat ini boat yang terbuat dari bahan utama kayu beralih menjadi berbahan fiberglass. Bagian perahu yang utama adalah bagian lambung. Untuk perahu tradisional, terutama untuk yang berbahan kayu, lambung perahu dibuat dengan keahlian teknis dan pengalaman dari pekerja galangan, tidak dilakukan perhitungan secara numerik untuk membangun kapal tersebut. Maka diperlukan analisa perhitungan numerik pada desain kapal dari galangan tradisional. Perahu tradisional di desain berdasarkan data survey lapangan. Pemodelan perahu, perhitungan hidrostatik, dan perhitungan hambatan menggunakan aplikasi Maxsurf. Hasil yang didapat adalah harga displacement kapal sebesar 1.814 ton. Besarnya hambatan dan powernya adalah 0.090 kN dan 0.299 kW pada saat kecepatan kapal 4.985 knots.
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 Kekuatan Pressure Vessel Dengan Menggunakan Material SA-106 Grade B dan SA-516-70N Silvia Uli Arta Lubis; Mufti Fathonah Muvariz; Nurul Fadilah; Naufal Abdurrahman Prasetyo; Sapto Wiratno Satoto; Nidia Yuniarsih
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 3 No 2 (2021): Jurnal Teknologi dan Riset Terapan (JATRA) - December 2021
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v3i2.3652

Abstract

A Pressure Vessel is a container for storing liquid and gas fluid shaped like a cylinder that can produce pressure from outside or inside. Almost all oil and gas industries often use this object to collect and separate water and oil from offshore exploration. This study aims to determine the strength of a Pressure Vessel and determine which is more economical by comparing two types of materials, namely SA-106 Grade B and SA-516-70N, with the same thickness of 12.7 mm. Simulations are carried out on the shell using SolidWorks software to find out the strength of each material. The data used in this study refer to one of the Pressure Vessels from the company with the basic design following ASME section VIII Div.1 standard 2007, document name "Cartridge Filter C027-S-U13000-01 A / B" and document number 6522 -XXX-C027-ISGP-U40300-MX-4018-00XXX with a design pressure of 10 bar, a design temperature of 121 ° C, an inner diameter of 444.5 mm, a corrosion factor of 3 mm. From the calculations and simulations that have been carried out, the values ​​obtained from the maximum pressure on the SA-516-70N material are 34.10 Bar, and the SA-106 Grade B material is 16.90 Bar. The voltage received from the pressure vessel is based on the analysis of the SolidWorks software with the same value for both materials at 1758 psi / 121 Bar. This study also proved that SA-106 Grade B material is far more economical, with an estimated budget of Rp6,531,951 for one 10m long pipe.
Pendistribusian Sumber Daya Air Di Pulau Jemara Widodo; Nidia Yuniarsih; Hanifah Widiastuti; Domi Kamsyah; Adi S.P; Ninda H.B
ABEC Indonesia Vol. 10 (2022): 10th Applied Business and Engineering Conference
Publisher : Politeknik Caltex Riau

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

Abstract

Water demand is the amount of water required to support human activities. Along with the growth ofJemara Island comunity, water has became one of the primary need to obtain a better and productive life.According to the survey that has been carried out, Jemara Island community still have not had access for cleanwater and electricity to accommodate the community need. Based on the results of field survey, Jemara Islandcomunity rely their water need on seven dug wells with diameter of each well of 1,5 meters and depth of 3meters. However, at high tide, the well near to residential will be affected. It causes Jemara Island communityrely in their water supply on the well 10 meter away from the residential which spend lot of energy. Therefore,this service community program will optimize two wells located far from the shoreline at the top of thetopography, provided water pump to drawn well water, provide water reservoir and also install pipe waterdistribution to the residential. According to a study that has been carried out, to drain water into two reservoirswith a capacity of 2,500 liters, the pump is able to operate for 6 hours with 2 hours pause after used to avoidpump perform over the daily usage limit. In order to pump water to the reservoirs, it needs 6 liters gasoline tooprate the pump and generator set. Assuming that each resident consumes 10 liters of water per day with apopulation of 150 people, then the need for clean water for drinking or cooking is 1500 liters, so it is estimatedthat two tandons will be used for about 4-5 days.
Studi Replating Area Forepeak & Deep Tank pada Kapal Tanker 105 Meter Berdasarkan Hasil Pengujian Ultrasonic Thickness Test Arif Hidayatullah; Mufti Fathonah Muvariz; Hendra Saputra; Wowo Rossbandrio; Nidia Yuniarsih
Jurnal Teknologi dan Riset Terapan (JATRA) Vol 5 No 1 (2023): Jurnal Teknologi dan Riset Terapan (JATRA) - June 2023
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v5i1.3655

Abstract

In shipbuilding, various stages of surveys are conducted when a vessel is declared fit for operation, encompassing annual surveys, intermediate surveys, and special/extension surveys. During these surveys, commonly encountered issues include corrosion and reduction in plate thickness associated with the ship's age and year of construction. In cases of significant thickness reduction, replating procedures are implemented. The examination of plate thickness involves ultrasonic testing utilizing the Cygnus Ultrasonic Gauge, with prior visual inspections performed on each plate section. When inspections reveal considerable thickness reduction and indications of corrosion during visual tests, such instances are evident in areas like the forepeak and deep tank. Substantial thickness reduction is noted on both the port and starboard sides, covering a dimension of 1,200 mm × 400 mm along each plate line, employing standard 12 mm thickness material. Test results are obtained for plate lines numbered 1 to 4 on the port and starboard sides of the Forepeak Tank area, as well as plate lines numbered 1 to 3 on the port side and plate lines numbered 1 to 4 on the starboard side within the Deep Tank region.
Pelatihan Penggunaan Software Autocad sebagai Upaya Peningkatan Kompetensi Siswa SMK Kota Batam Cahyagi, Danang; Restu, Fedia; Yuniarsih, Nidia; Nova, Muhammad Andi; Saputra, Hendra; Satoto, Sapto Wiratno; Mutiarani, Mutiarani; Aryswan, Adhe; Fyona, Annisa; Havwini, Tian; Fadilah, Nurul; Rahman, Kholilur
Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Vol 24, No 2 (2024): Suluah Bendang: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/sb.05790

Abstract

Kota Batam merupakan daerah dengan julukan kota industri. Sejak setelah bertranformasi menjadi kawasan industri kota Batam memiliki berbagai macam indutri yang dibangun, sehingga terbuka banyak peluang kerja yang tersedia. Salah satu keberlanjutan yang perlu didukung yaitu ketersediaan tenaga kerja terampil yang memiliki kompetensi dibidang keteknikan. Gambar dan penggunaan software CAD menjadi salah satu kompetensi yang perlu dipenuhi oleh masyarakat. Upaya menyediakan tenaga kerja terampil dapat dilihat dari tersedianya sekolah menengah kejuruan. Meskipun demikian, keterbatasan fasilitas praktik menjadi salah satu kendala yang dihadapi sebagian sekolah dalam melaksanakan layanan pendidikannya. Kegiatan Pelatihan Penggunaan Software AutoCAD kepada siswa/i SMK Kota Batam Tahun 2024 kemudian hadir menjadi salah satu solusi untuk dapat membantu sekolah dalam meningkat mutu pendidikan vokasi di Kota Batam. Pelatihan ini didanai secara internal oleh Politeknik Negeri Batam dan telah dilaksanakan di Politeknik Negeri Batam pada 23 – 26 Juli 2024. Adapun mitra peserta pengabdian ini adalah dari siswa dan guru SMK S Aljabar Batam, SMK S Kartini, SMK N 9 Batam. Beberapa luaran yang telah diselesaikan pada kegiatan pengabdian ini adalah terselenggaranya kegiatan dan penyusunan modul pelatihan. pemberitaan pada media masa, HKI modul, poster dan video kegiatan.
Modification of the jig slider grinding hook design Andaresta, Windy; Purba, Adi Syahputra; Yuniarsih, Nidia; Marbun, Abri Andry Saresa; Saputra, Rangga
International Journal of Mechanical Computational and Manufacturing Research Vol. 14 No. 1 (2025): May: Mechanical Computational And Manufacturing Research
Publisher : Trigin Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/computational.v14i1.266

Abstract

Tools such as jigs are becoming important in the production process. Jigs are often used in the cutting or shaping process in the form of making workpieces in production. However, ever-changing variations in demand can lead to changes in jig efficiency. Therefore, modifications are necessary to maintain accuracy and meet the demands of diverse markets. This research was carried out by modifying the design of the slider jig on the width of the rail slider which was enlarged from before and adding support to the clamping plate which aims to improve the accuracy and effectiveness in the drilling process. To find out the results of the difference before and after the modification of the slider jig, a test was carried out by conducting a visual inspection of the profile point hook that had been ground using a profile projector with a scale of 10 :1 which showed that the results of this modification were included in the value of the drawing tolerance value and in accordance with the specifications in the company and based on data taken from PT. XYZ in the engine working time of 3 hours and 3 minutes, a total output of 164 pcs was found out of the total target of 158 pcs. This resulted in a productivity percentage of 103.80%. This shows that this jig modification is effective when used.
Studi Pengaruh Nilai Availability Mesin Stamping Terhadap Jumlah Hasil Produksi Purba, Adi Syahputra; Leksonowati, Nur Fitria Pujo; Pamungkas, Nurman; Yuniarsih, Nidia; Batubara, Ninda Hardina; Prasetyo, Dimas
JURNAL INTEGRASI Vol. 16 No. 2 (2024): Jurnal Integrasi - Oktober 2024
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/ji.v16i2.8536

Abstract

This study aims to analyze the effect of machine availability on production output at PT XYZ. Data collection was conducted from January to March 2024, focusing on machine downtime, total operational hours, and weekly production output. The method used involves the calculation of Mean Time Between Failure (MTBF), Mean Time To Repair (MTTR), and availability, followed by a correlation analysis between availability and production output. The results show a strong correlation between availability and output, with a correlation value of 0.852. In Week 6 and Week 11, machine downtime caused availability to drop to 98.41% and 97.96%, respectively, which directly impacted production output. Based on these findings, it is recommended that PT XYZ improve preventive maintenance and minimize downtime to maintain optimal machine availability and maximize production output
Co-Authors Adhe Aryswan Adi S.P Adi Syahputra Purba Andaresta, Windy Andi Haris Muhammad Annisa Fyona ARIF HIDAYATULLAH Aulia Fajrin Batubara, Ninda Hardina Budi Baharudin Cahyo Budi Nugroho Danang Cahyagi Desrial Rianto Dimas Prasetyo Domi Kamsyah Fedia Restu Guruh Maulana Suhendi Hanifah Widiastuti Hendra Saputra Hendra Saputra Hendra Saputra Hendra Saputra Hendra Saputra James Siregar Kholilur Rahman, Kholilur Marbun, Abri Andry Saresa Mufti Fathonah Muvariz Muhammad Alham Djabbar Muhammad Andi Nova Muhammad Ismail Naufal Abdurrahman Naufal Abdurrahman Naufal Abdurrahman Naufal Abdurrahman Prasetyo Nauval Abdurahman Ninda H.B Nugroho Pratomo Ariyanto Nur Fitria Pujo Leksonowati Nurman Pamungkas Nurul Fadilah Nurul Fadilah, Nurul Nurul Laili Arifin Nurul Ulfah Rangga Saputra Rifel Landong Sapto Wiratno S Sapto Wiratno Satoto Silvia Uli Arta Lubis Soni Widiawan Sugeng Santoso Sulistyo Wibowo Tian Havwini Tri Ramadani Arjo Tri Ramadani Arjo Widodo Widodo Widodo Wowo Rossbandrio Wowo Rossbandrio