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All Journal DINAMIKA Jurnal Ilmiah Teknik Mesin Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Journal of Metallurgical Engineering and Processing Technology Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Piston: Jurnal Teknologi Jurnal Fokus Elektroda (Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Media Konstruksi : Jurnal Ilmiah Teknik Sipil JK3UHO
Jaka Seru Dwi Saputra
Universitas Halu Oleo
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics

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Analisis Perubahan Garis Pantai Menggunakan Data Citra Satelit Di Pantai Tanjung Bunga Kota Makassar Sulawesi Selatan Citra Yurnidar Syah; Aminur; Jaka Seru Dwi Saputra; Anafi Minmahddun
MEDIA KONSTRUKSI Vol. 9 No. 3 (2024)
Publisher : Jurusan Teknik Sipil, Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/medkons.v9i3.64

Abstract

Wilayah pesisir di Indonesia memiliki potensi pembangunan seperti permukiman, perhubungan, pengembangan industri. Metode untuk memperoleh imformasi potensi Sumber Daya Alam wilayah pesisir adalah Penginderaan Jauh dan Sistem Informasi Geografis (SIG). Penelitian ini untuk menganalisis perubahan garis Pantai Tanjung Bunga Kota Makassar menggunakan data citra satelit aplikasi penginderaan jauh. Analisis yang digunakan adalah Analisis spasial yang terintegrasi pada SIG dan data Citra satelit serta analisis kuantitatif sebagai Data pembanding Dari data primer. Hasil peneitian ini didapatkan garis Pantai mengalami penambahan akibat aktivitas reklamasi Pantai mengakibatkan terjadinya perubahan.
Analysis of Tensile and Bending Strength of Coconut Fiber Reinforcement Composite on Quasi Isotropic Laminates Stacking Sequence Aminur, Aminur; Saputra, Jaka Seru Dwi; Syah, Citra Yurnidar
Journal of Metallurgical Engineering and Processing Technology Vol 4, No 2 (February 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v4i2.11350

Abstract

A composite is a material structure composed of two or more combinations of constituents combined macroscopically, where the two combinations do not dissolve each other. The first phase is called reinforcement, while the second phase is called matrix. This study aims to analysis the tensile and bending strength values of coconut fiber reinforced composites with a sequence of layers of quasi-isotropic fiber laminates. Experimental studies were carried out on polyester resin composites reinforced with coconut fiber in the fiber layer sequences of [0°/0°/0°], [+45°/0°/-45°] and [+60°/0°/-60°]. Tensile test specimen standards refer to ASTM D-3039 and bending test standards refer to ASTM D-7264. The results of the blistering test obtained a maximum stress of 18.3298 N/mm2 in the fiber layer sequence [0°/0°/0°] and a minimum stress of 10.8966 N/mm2 in the fiber layer sequence [+60°/0°/ -60°]. Meanwhile, the bending test results showed that the maximum bending stress was 76.065 N/mm2 in the fiber layer sequence [0°/0°/0°] and the minimum stress was 30.256 N/mm2 in the fiber layer sequence [+45°/0°/-45 °].
Pradesain Mesin Cuci Mobil Semi Otomatis dengan Autodesk Inventor Samhuddin; La Ode Ahmad Barata; Jaka Seru Dwi Saputra
Piston: Jurnal Teknologi Vol 9 No 2 (2024): Desember 2024
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v9i2.78

Abstract

A car wash is a facility used to clean the outside and inside of a car, which can be done manually and automatically. The use of an automatic system allows car washing to be faster than a manual washing system that still relies on human labor. The car washing machine pre-design article provides an overview of automatic car washing pre-design. This planning uses the Autodesk inventor application with 6061 aluminum material with a design size of 80 mm × 80 mm × 5 mm. In this plan, the planned water requirement is 300L/car, where the nozzle radius r1 = 25 mm, r2 = 10 mm, and nozzle pressure of 24,410 Pa with 24 nozzles. Electric power is used at 1310 watts where the pump pressure is 34,872 Pa. All frame loads and other supporting components were analyzed using Autodesk InventorTM software. The maximum stress and strain, deflection and safety factor of the frame were also analyzed. This article presents the design of the controller system using Arduino. The general design of the water circulation system is also shown in the design proposal of this machine.
FAKTOR YANG BERHUBUNGAN DENGAN PERILAKU KESELAMATAN DAN KESEHATAN KERJA (K3) DI PT. NARAYANA LAMBALE SELARAS KABAENA TIMUR TAHUN 2024 Indah Ade Prianti; Elsa Putriani Gunawas; Jaka Seru Dwi Saputra
Jurnal Kesehatan dan Keselamatan Kerja Universitas Halu Oleo Vol. 5 No. 1 (2024): Jurnal Kesehatan dan Keselamatan Kerja Universitas Halu Oleo (JK3UHO)
Publisher : Departemen K3 FKM Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37887/jk3uho.v5i1.1

Abstract

Perilaku keselamatan di tempat kerja merujuk pada semua aktivitas yang berkaitan dengan pemeliharaan keamanan saat melakukan pekerjaan, termasuk pelaksanaan tugas dan sikap yang berhubungan dengan konteks lingkungan kerja. Ini menyoroti pentingnya ketaatan dan keterlibatan individu dalam menjaga keamanan. PT. Narayana Lambale Selaras, sebuah perusahaan yang beroperasi dalam sektor penambangan nikel di Timur Kabaena, menerapkan teknik penambangan terbuka mulai dari tahap eksplorasi hingga pengiriman. Penelitian ini bertujuan untuk mengidentifikasi faktor-faktor yang berkaitan dengan perilaku keselamatan dan kesehatan kerja (K3) di PT. Narayana Lambale Selaras Kabaena Timur Tahun 2024. Studi ini merupakan analisis kuantitatif yang menerapkan metode cross-sectional. Sampel diambil dengan menggunakan teknik total sampling, yang berarti seluruh populasi sebanyak 74 pekerja menjadi bagian dari penelitian ini di PT. Narayana Lambale Selaras Kabaena Timur. Hasil Penelitian menunjukan bahwa hasil uji chi-square antara sikap dan perilaku K3 didapatkan nilai P-value 0,533 > α 0,05 dan hasil uji chi-square antara pengawasan dan perilaku K3 didapatkan nilai p-value 0,007< α 0,05 di PT. Narayana Lambale Selaras Kabaena Timur Tahun 2024.Kesimpulan dalam penelitian ini adalah tidak ada hubungan antara sikap dengan perilaku Keselamatan dan Kesehatan Kerja (K3) di kalangan pekerja di PT. Narayana Lambale Selaras Kabaena Timur Tahun 2024. Terdapat hubungan antara pengawasan dan perilaku Keselamatan dan Kesehatan Kerja (K3) diantara pekerja di PT. Narayana Lambale Selaran Kabaena Timur Tahun 2024.
Pengaruh Ketebalan Lapisan terhadap Sifat Tarik dan Impak Komposit Laminat Berbasis Serat Bambu dan Resin Poliester Aminur Aminur; Sudarsono Sudarsono; Jaka Seru Dwi Saputra
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 5 No 2 (2026): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v5i2.495

Abstract

The need for lightweight, strong, and environmentally friendly engineering materials has driven a massive shift from synthetic fiber composites to natural fiber composites. Natural fibers, such as bamboo, offer a promising alternative due to their abundance, renewability, low density, and high specific tensile strength. This study aims to determine the effect of fiber layer thickness variations (0.5 mm, 1.0 mm, and 1.5 mm), with a constant [±45o]s angle configuration, on the tensile and impact performance of bamboo fiber-polyester resin laminate composites. The sample preparation began by cutting high-quality bamboo to 300 mm in length and 10 mm in width, then planing it to achieve the required thickness variations. The bamboo fibers were then soaked in a 5% NaOH solution for 120 minutes, dried, and arranged into 4 layers with a fiber volume fraction of 30%. The tests conducted included tensile and impact tests to determine the optimum fiber thickness. The results showed that the smallest fiber thickness (0.5 mm) produced the highest mechanical strength, with a tensile strength of 11.201 MPa and an impact strength of 0.0033 Joule/mm². Conversely, increasing the fiber layer thickness decreased both tensile strength and impact strength.
Co-Authors Abd. Kadir Aksar, Prinob Aminur Aminur Anafi Minmahddun Arnold Oscar F.R. Asiri, Muhammad Halim Budiman Sudia Budiman Sudia Budiman Sudia, Budiman Citra Yurnidar Syah Elsa Putriani Gunawas Hasanudin, La Indah Ade Prianti La Hasanudin La Ode Ahmad Barata Lukas Kano Mangalla, Lukas Kano Raden Rinova Sisworo Ryan Aspari Salimin Salimin Salimin Salimin Samhuddin Samhuddin Samhuddin Samhuddin Samhuddin Samhuddin Samhuddin, Samhuddin Septianus T.L. Sudarsono Sudarsono Sudarsono Sudarsono Sudarsono