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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Media Mesin: Majalah Teknik Mesin PROSIDING SEMINAR NASIONAL CENDEKIAWAN Mekanika: Majalah Ilmiah Mekanika Jurnal Airaha Buletin SWIMP
Nurul Huda
Politeknik Kelautan Dan Perikanan Sorong
Agriculture, Biological Sciences & Forestry Humanities Astronomy Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Mechanical Engineering Social Sciences Veterinary

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PENGARUH PENGGUNAAN ENERGY SAVING DEVICE PADA PROPELLER B4 55 DENGAN METODE CFD Trimulyono, Andi; Manik, Parlindungan; Huda, Nurul
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 10, No 3 (2013): Oktober
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (536.127 KB) | DOI: 10.14710/kpl.v10i3.5624

Abstract

Tingginya harga bahan bakar semakin mendorong pelaku industri khususnya pemilik kapal melakukan penghematan konsumsi bahan bakar dan cara yang cukup efektif untuk mengurangi konsumsi bahan bakar tersebut adalah dengan menambah instalasi alat yang disebut Energy Saving Device (ESD) pada propeller dengan tujuan meningkatkan efisiensi propulsi.   Beberapa desain  ESD propeller yang telah dikembangkan yakni Ducted Propellers (Kort Nozzel propeller), dan Propeller Boss Cap Fins (PBCF). Perbedaan jenis Energy Saving Device (ESD) mengindikasikan perubahan gaya torque dan thrust yang berbeda sehingga penulis disini ingin menganalisa pengaruh instalasi Energy Saving Device (ESD)  pada propeller terhadap torque dan thrust yang dihasilkan sehingga dapat diketahui jenis ESD dengan performa paling optimal dengan bantuan paket program CAD (Computer Aided Design) serta CFD (Computational Fluid Dynamics). Hasil analisa dengan menggunakan RANS software CFD menunjukkan akibat penambahan instalasi Energy Saving Device (ESD)  pada propeller, terjadi perubahan bentuk aliran fluida, yang berpengaruh pula terhadap nilai thrust dan torque yang dihasilkan. Gaya thrust yang terjadi pada pada PBCF Propeller adalah sebesar 8.70E+05 N, dengan Torque 7.18E+05, sedangkan thrust pada Nozzle Propeller adalah sebesar 1.18E+06 dengan Torque 9.86E+05
STUDI OPTIMASI TOPOLOGI PADA FALL BLOCK DECK CRANE KAPASITAS 30 TON MENGGUNAKAN METODE ELEMEN HINGGA Nurul Huda; Ocid Mursid; Akhmad Nurfauzi
Media Mesin: Majalah Teknik Mesin Vol 23, No 1 (2022)
Publisher : Program Studi Teknik Mesin, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/mesin.v23i1.15940

Abstract

Desain fall block yang berat akan menambah beban kerja crane saat operasi, selain itu juga menambah beban diatas dek kapal yang akan sangat berpengaruh terhadap stabilitas kapal, oleh karena itu perlu dilakukan kajian untuk mengurangi berat blok sehingga kinerja crane lebih optimal untuk mengangkat beban. Optimasi topologi telah sukses dalam beberapa dekade terakhir, metode analisis elemen hingga (FEA) dan studi eksperimental telah dilakukan dalam menyelidiki dan mengoptimalkan struktur lambung kapal. Tujuan dari penelitian ini adalah mendapatkan desain fall block dengan berat yang ringan dengan mempertahankan kekakuaan strukturnya. Optimasi topologi dilakukan menggunakan perangkat SolidWorks Simulation yang berbasis metode elemen hingga, yang selanjutnya akan dapat dibandingkan perubahan berat desain awal  dengan desain hasil optimasi serta perubahan tegangan sebelum dan sesudah dilakukan optimasi. Dari hasil optimasi topologi didapatkan penurunan massa sebesar 15.21 % dengan berat menjadi 338.54 kg. Selain itu tegangan Von Mises maksimum pada variasi turun 1.24%  menjadi 26.22 MPa. Akibat dari turunya nilai tegangan tersebut membuat nilai safety factor meningkat 1.25 % dari desain awal menjadi 9.53 yang dapat dikatakan nilai tegangan yang terjadi di desain baru masih dinyatakan aman.
STUDI PENGARUH ORIENTASI SERAT KOMPOSIT FRP TERHADAP KEKUATAN LAMBUNG KAPAL MENGGUNAKAN METODE ELEMEN HINGGA Anne Zulfia Syahrial; Nurul Huda
PROSIDING SEMINAR NASIONAL CENDEKIAWAN PROSIDING SEMINAR NASIONAL CENDEKIAWAN 2018 BUKU I
Publisher : Lembaga Penelitian Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/semnas.v0i0.3476

Abstract

Material FRP menawarkan potensi yang sanggat baik untuk aplikasi di bidang kelautan, dimana ketahanan korosi dan beratnya yang ringan merupakan kelebihan utama dibanding struktur logam.  Namun, seringnya terjadi kecelakaan kapal berbahan fiberglass disebabkan oleh desain konstruksi dan proses produksi kapal fiberglass yang umumnya belum mengacu pada persyaratan klasifikasi, khususnya pada kapal-kapal berukuran di bawah 24 meter. Selain itu jenis bahan, komposisi, dan susunan laminasi di masing-masing galangan bervariasi, tanpa adanya pengujian spesimen di laboratorium, sehingga kekuatan konstruksinya sulit dijamin. Pada penelitian kali ini akan dilakukan perhitungan kekuatan struktur kapal menggunakan regulasi ISO 12215-5 yang dilanjutkan dengan kajian variasi arah penyusunan serat komposit FRP pada lambung kapal untuk mendapatkan komposisi susunan laminasi yang optimum dengan menggunakan metode elemen hingga(FEM). Hasil optimasi menunjukkan orientasi arah serat 45 derajat memiliki defleksi paling kecil..
Modification of Surface Buoy to Preserve Under Water Habitat in Raja Ampat Ocid Mursid; Nurul Huda; Haris Nubli
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 19, No 1 (2022): February
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v19i1.41792

Abstract

The ecosystem of the seabed is threatened by anchoring operations. Modifications were required toreduce the damage to seabed biodiversity. A laid chain on a mooring system is one of the causes ofdamage to the seabed environment. In this paper, six mooring configurations are studied to achieve theoptimum configuration on the moored vessel KM Putri Mandiri based on the chain length laid, thetension chain, and the vessel offset. The benefit of this study is to preserve the underwater habitat in RajaAmpat. The quantities and buoyancy capacities of the surface buoy are used as variable designs in thisstudy. Ansys Aqwa software is utilized to calculate mooring systems with environmental conditions,water depth 15 m, wave height 1.5 m, wind velocity 15 knots, and sea current speed of 1 m/s. The resultsshowed that more surface buoys caused lower laid chain length and closer ship offset but increasedtension chain. Configuration E, which consists of 3 surface buoys, was the optimum configuration for thisstudy.
Evaluasi Aspek Gerakan dan Tingkat Kenyamanan Kapal Latih KM. Airaha 02 Yani Nurita Purnawanti; Nurul Huda; Egbert Josua Sirait
Jurnal Airaha Vol 10 No 02: December 2021
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (478.971 KB) | DOI: 10.15578/ja.v10i02.288

Abstract

KM. Airaha 02 is a training vessel owned by the Sorong Marine and Fisheries Polytechnic. This ship is a type of fishing vessel that has a weight of 169 GT, LOA 30.20 m and a width of 6.30 m. KM. Airaha 02 is capable of traveling at a speed of 12.5 knots. KM. Airaha 02 is equipped with long line tuna fishing gear and squid jigging, frozen fish hold, and freezing room. Safety and comfort of crew and passengers on KM. Airaha 02 really needs to be considered for the smooth operation of fishing operations. Therefore, it is necessary to analyze the evaluation of the ship's motion when traveling on random waves in order to calculate the comfort level of passengers based on ISO 2631 criteria. The analysis was carried out by reverse engineering. The 3D model is based on general arrangement data from KM. Airaha 02, the main measure, and direct survey results. The ship's motion due to wave excitation is obtained from the results of the RAO analysis, then the comfort level is carried out by the Motion Sickness Incident (MSI) analysis. The biggest movement experienced by KM Airaha 02 is surge of 2.8 m/m and roll of 6.1 deg/m. Passengers began to feel discomfort after 2 hours of travel when the waves came from the head seas direction. If the direction of the wave is coming from the side, passengers start to feel discomfort after 8 hours of travel.
SOSIALISASI PANDUAN KLASIFIKASI DAN KONSTRUKSI KAPAL IKAN FRP KURANG DARI 12 METER DI WILAYAH PESISIR PULAU RAAM Nurul Huda; Andreas Pujianto; Yani Nurita Purnawanti; Boby Wisely Ziliwu; Rezza Ruzuqi; Ahmad Nurfauzi; Djoko Prasetyo; Bagas Prakoso; Muhfizar Muhfizar; Egbert Joshua Sirait; Pundi Ramadhan Sudrajat
Buletin SWIMP Vol 2 No 01: Mei 2022
Publisher : Politeknik Kelautan dan Perikanan Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (590.403 KB)

Abstract

Raam Island is a village located in the city of Sorong, West Papua Province which has several business groups for FRP boat craftsmen, especially for fishing purposes. The standard manufacturing process standards applied by fiber ship craftsmen make the quality of the fabrication results different from each existing shipyard. The socialization activity was carried out by presenting materials directly to shipyard owners and FRP ship craftsmen. BKI as a state-owned company engaged in survey services and ship certification has regulations related to ship construction. In 2020, BKI issued "Guidance for Certification of FRP Fishing Vessel less than 12 m" which is very suitable for the type of ship produced by ship craftsmen on Raam Island. FRP), ship structure design & FRP ship stability, machinery installation, electrical installation, and ship safety equipment. Evaluation is given by giving pre-test and post-test methods to see the progress of participants in understanding the material given. From 10 questions given in the post test, most of the participants have shown significant improvement when compared to the pre test.
Orphanage-Based Basic Health Protocol Education as an Effort to Form a Covid-19 Responsive Generation: Edukasi Protokol Kesehatan Berbasis Panti Sebagai Upaya Membentuk Generasi Tanggap Covid-19 Muh. Kasim; Hendra Poltak; Muhfizar Muhfizar; Handayani Handayani; Nurfitri Rahim; Sri Wahyuni Firman; Dheni Rossarie; Nurul Huda; Yani Nurita Purnawanti
Buletin SWIMP Vol 2 No 02: November 2022
Publisher : Politeknik Kelautan dan Perikanan Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (382.393 KB) | DOI: 10.15578/bs.v2i02.43

Abstract

The spread of COVID-19 is still very high in Indonesia, especially in Eastern Indonesia. Inadequate facilities and the presence of health workers are still the toughest challenges in dealing with the spread of this virus. The low awareness of health protocols has led to various clusters of Covid-19 transmission in various places, including the orphanage. Real actions of concern at the Orphanage were carried out by educating on health protocols to prevent the COVID-19 pandemic from spreading to the residents of the Orphanage. There were 28 health protocol education participants consisting of 24 girls and 4 caregivers at the Muhammadiyah Al-Amin Orphanage Sorong. Evaluation of the results of health protocol education by observing and monitoring health conditions where residents of the orphanage have used standard masks and physical distancing. In addition, the residents of the orphanage have also behaved in washing their hands before starting activities.
Shop Drawing Workshop for cadets of Fisheries Mechanization Study Program Sorong Polytechnic of Marine and Fisheries Using Autocad: Peningkatan Softskill Melalui Workshop Pembuatan Shop Drawing Untuk Taruna Prodi Mekanisasi Perikanan Politeknik Kp Sorong Menggunakan Autocad Yani Nurita Purnawanti; Nurul Huda; Akhmad Nurfauzi; djoko prasetyo; Egbert Joshua Sirait
Buletin SWIMP Vol 2 No 02: November 2022
Publisher : Politeknik Kelautan dan Perikanan Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (683.367 KB) | DOI: 10.15578/bs.v2i02.45

Abstract

The lack of competence of Sorong Marine and Fisheries Polytechnic cadets in the field of drawing techniques is one of the causes of the low absorption of graduates in the field of engineering, where the Fisheries Mechanization study program has a curriculum syllabus that is suitable for various engineering industries such as shipbuilding, food processing machinery, ship machinery factories, fishing gear factory, pump factory. While the technical drawing courses taught in the fishery mechanization study program are still limited to manual drawings with paper, as well as tasks in other courses in the form of drawings are also still carried out by manual drawing processes, while technical drawings in industry require accuracy and speed which are difficult to rely on. manual drawing techniques. AutoCad software is one of the computer applications that is considered very effective as a tool in learning and improving students' understanding of technical drawing. Activation of the legal licensed AutoCAD software is expensive, so in this Community Service activity, the AutoCad free Student License activation is carried out, in addition to providing an increase in the soft skills of cadets. The stages of activities in this PKM are: computer inventory in the KP Sorong Polytechnic Computer laboratory, registering the official Autocad student version license for computers in the KP Sorong Polytechnic Computer laboratory, installation & activation of Autocad software on computers in the KP Sorong Polytechnic Computer laboratory, Autocad training for cadets Fisheries Mechanization Study Program KP Sorong Polytechnic, and evaluation of Autocad training for cadets of the Fisheries Mechanization Study Program at KP Sorong Polytechnic. The results achieved are the activation of the AutoCad software with a student license on 34 computers in the computer and telematics lab of the KP Sorong Polytechnic, as well as the improvement in the soft skills of cadets in making shop drawings that can be measured through evaluation, namely as many as 13 cadets passed the training with 8 cadets getting value over 75.
Failure Criteria in Crashworthiness Analysis of Ship Collision and Grounding Using FEA: Milestone and Development Hermes Carvalho; Ridwan Ridwan; Sudarno Sudarno; Aditya Rio Prabowo; Dong Myung Bae; Nurul Huda
Mekanika: Majalah Ilmiah Mekanika Vol 22, No 1 (2023): MEKANIKA: Majalah Ilmiah Mekanika
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mekanika.v22i1.70959

Abstract

This study presents reviews of the failure criteria to capture the resulting response due to the catastrophe of ship collision and grounding using the finite element. Researchers have introduced several failure criteria, for instance, the DNV RP-C204 criterion, Germanischer Lloyd criterion, Peschmann, RiceTracey and Cockcroft-Latham (RTCL), Bressan-Williams-Hill (BWH) instability criterion, and Liu criterion. As in the mathematical formula, each criterion has a difference. The choice of failure criteria will depend on the simulation's specific requirements and the analysis's goals. Liu's criterion can be used to evaluate the failure of materials in ship collision simulations, for example, when large element sizes (i.e., 20 mm) are considered in the simulation.
Co-Authors Aditya Rio Prabowo Ahmad Nurfauzi Andi Trimulyono Anne Zulfia Bagas Prakoso Boby Wisely Ziliwu Dheni Rossarie Djoko Prasetyo Dong Myung Bae Egbert Joshua Sirait Egbert Josua Sirait Handayani - Haris Nubli Hermes Carvalho Muh. Kasim Muhfizar, Muhfizar Nurfauzi, Akhmad Nurfitri Rahim Ocid Mursid Parlindungan Manik Poltak, Hendra Pujianto, Andreas Pundi Ramadhan Sudrajat R. Ridwan Rezza Ruzuqi Sri Wahyuni Firman Sudarno Sudarno Yani Nurita Purnawanti Yani Nurita Purnawanti