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All Journal JURNAL RISET TEKNOLOGI KELAUTAN Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat Jurnal Penelitian Enjiniring Fakultas Teknik Unhas International Journal of Marine Engineering Innovation and Research Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan Journal of Marine-Earth Science and Technology Jurnal Riset & Teknologi Terapan Kemaritiman Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Muhammad Iqbal Nikmatullah
Unknown Affiliation
Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Transportation

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STUDI MOTOR PENGGERAK KEMUDI KMP. SULTAN MURHUM SETELAH MENGALAMI PERUBAHAN DIMENSI DAUN KEMUDI Baharuddin, .; Nikmatullah, Muhammad Iqbal
JURNAL RISET TEKNOLOGI KELAUTAN Vol 11, No 1 (2013)
Publisher : Ikatan Sarjana Teknik Perkapalan UNHAS

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Abstract

Kemudi merupakan salah satu di antara alat mekanis yang dipakai untuk menentukan dan mengaturarah haluan atau maneuvering kapal pada saat berlayar. Pada kapal KMP.SULTAN MURHUMterdapat permasalahan pada daun kemudinya, dimana terjadi getaran yang mengurangi kelincahanpada saat melakukan maneuvering. Oleh karena itu, pemilik kapal menginginkan perubahan ukuranatau dimensi daun kemudi yang tidak sesuai dengan ketentuan maneuvering kapal yang terjadi padaKMP.SULTAN MURHUM sebelumnya. Tujuannya adalah untuk mencegah over maneuvering yangterjadi. Oleh karena itu penulis ingin melakukan penelitian dengan tujuan mengetahui luas daunkemudi dan gaya-gaya yang bekerja pada daun kemudi, dan mengetahui berapa besar daya mesinpenggerak kemudi yang dibutuhkan. Gaya-gaya yang bekerja pada daun kemudi akibat perubahandimensi kemudi maka diperoleh gaya normal daun kemudi (Pn) = 1183,525 N, kapasitas mesinkemudi (Power Steering Gear) (D) = 2,50 Hp. Dari hasil perhitungan luas daun kemudi yang bekerjapada daun kemudi adalah = 0,910 m2.
Pelatihan Reparasi Perahu Fiberglass bagi Nelayan Kabupaten Takalar Zulkifli Yusuf; M. Rusydi Alwi; Ganding Sitepu; Andi Haris Muhammad; Baharuddin -; Andi Husni Sitepu; M. Iqbal Nikmatullah; Lukman Bochary; Misliah -
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 3 No 2 (2020): Penguatan Aplikasi Teknologi untuk Masyarakat pada Masa Pandemi
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v3i2.135

Abstract

The “Karya Bersama” Fishermen Group is one of the fishermen groups in Galesong Kota Village, Galesong District, and Takalar Regency who uses fiberglass boats for fishing activities. The fiberglass boats used are very helpful for fishermen in increasing their catch. Based on field observations, it was found that several fiberglass boats belonging to partners were damaged. The damage to the fiberglass boats they use cannot be avoided due to the unclean waters of the fishing location and the large waves. They cannot do proper fiberglass boat repair independently because their knowledge and skills in fiberglass boat repair techniques are still low. This service activity aims to improve partners' knowledge and skills in fiberglass boat repair techniques. The activity was carried out in two stages, namely 1) Counseling about fiberglass material technology, types of damage to fiberglass boats and repair techniques. 2) Fiberglass boat repair training. Evaluation of the increase in participants' knowledge was carried out by means of a pre-test and post-test after counseling. Evaluation of participants' skills is carried out during hands-on training. The results of the activity showed that 90% of the 10 participants who took part in the training had good knowledge of fiberglass materials and fiberglass boat repair techniques and were able to properly repair damaged fiberglass boats.
Pemberdayaan Masyarakat Nelayan Melalui Pelatihan Perawatan Berkala Mesin Kapal di Desa Galesong Kota Kabupaten Takalar Muhammad Rusydi Alwi; Zulkifli A Yusuf; Baharuddin .; Syerly Klara; Surya Hariyanto; Andi Husni Sitepu; Haryanti Rivai; Muhammad Iqbal Nikmatullah; Balqis Shintarahayu
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 5 No 1 (2022): Kebersamaan dalam Membangun Masyarakat Tangguh dan Gesit
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v5i1.214

Abstract

The “Karya Bersama” Fisherman Group in Galesong Village, Galesong District, Takalar Regency as partners in this activity using an outboard engine as a fiberglass boat propulsion engine in fishing activities. In the initial observation, information was found that the service life of their boat engine was very low, which was about 3 years because the engine was often failure. The causes of engine failure are the lack of fishermen’s knowledge on how to run the engine properly and engine maintenance techniques. This community service aims to increase the knowledge of partners in boat engine maintenance techniques. The expected benefit of this activity is to reduce the number of engine breakdowns and reduce operational costs, especially the cost of repairing boat engines. The method of this service activity is counseling by providing material about the general description of ship propulsion engines, types of engine damage, and periodic maintenance techniques on boat engines. Evaluation of the level of knowledge of participants in receiving the transfer of science and technology is carried out using the pre-test method at the beginning of the activity and the post-test conducted at the end of the activity. The results of the activity showed that 90% of the 10 participants had good knowledge of boat engine periodic maintenance techniques and were able to carry out engine maintenance activities correctly.
Sistem Manajemen Keselamatan dan Keamanan Kerja Produksi Kapal pada Galangan Berskala Mikro di Barombong Kota Makassar Muhammad Iqbal Nikmatullah; Zulkifly Zulkifly; Syerly Klara; Baharuddin Baharuddin; Rahimuddin Rahimuddin; Andi Haris Muhammad; M. Rusydi Alwi; Surya Haryanto; Andi Husni Sitepu; Haryanti Rivai; Faisal Mahmuddin; Hasnawiyah Hasan; Balqis Shintarahayu
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 5 No 2 (2022): Mengembangkan Kehiodupan Masyarakat melalui Kesatuan dan Kekuatan
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v5i2.279

Abstract

The community paradigm regarding the use of equipment that supports work safety and security still considers it disturbing the flexibility and flexibility of working. People have always assumed that they, and even those before them, were able to work safely and safely without the use of such equipment. This activity aims to provide an understanding of risk mitigation if problems occur in the ship production work process at CV's shipyard. Deka Cipta Sarana which is located in Barombong, Makassar City, as well as an introduction to work safety and security equipment and equipment, as well as understanding how to use it optimally. The implementation of this activity involved 15 workers at the shipyard location. Based on the results of the analysis of the questionnaire data distributed before and after the implementation of the activity, it was found that there was an increase in worker awareness in the implementation of the occupational safety and security management system. Understanding of risk mitigation of ship production work processes increased from 33% to 60% and understanding of the use of safety and security equipment and equipment increased from 27% to 67%.
Efektivitas Keel Cooler Pada Sistem Pendingin Mesin Penggerak Utama Kapal Syerly Klara; Muhammad Iqbal Nikmatullah; Muhammad Faizal
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 3, Nomor 3, Edisi November 2022
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

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Abstract

OT ship. Skylie is a type of tanker produced by PT. Samudra Marine Indonesia, in its construction, applies a keel cooler as a cooling device for the main engine propulsion of ships. This keel cooleris one of the new types of heat exchangers which is applied in the field of shipping. A cooling system using a keel cooler is a closed-circuit cooling system that is installed externally on the hull below the waterline. This study aims to determine the overall heat transfer value and the effect of changes in ship power/torque on the effectiveness of the keel cooler-type heat exchanger. The analysis uses two methods, namely CFD analysis and simulation using the Ansys CFX R20 application. Based on the results of calculations on several ship power/torque conditions, the largest heat transfer value is obtainednamely 5.599 x 10 5 W at 100% power condition and the lowest value is 5.055 x 105 W at 10% power condition. Meanwhile, the highest effectiveness value is 79.985% and the smallest value is 79.839%. So it can it was concluded that the use of the keel cooler on the OT ship. Skylie has met the standard value of effectiveness for a heat exchanger that is equal to 50%.
Pelatihan Metode Balancing Statis Propeller Kapal Ikan pada Kelompok Nelayan di Kabupaten Pinrang Nikmatullah, Muhammad Iqbal; Klara, Syerly; Muhammad, Andi Haris; Mahmuddin, Faisal; ., Rahimuddin; Hasan, Hasnawiyah; Hasbullah, Mansyur
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 6 No 2 (2023): Let us Collaborate for Community Issues
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v6i2.434

Abstract

The use of engine power in the ship propulsion system makes it easier for traditional fishermen to carry out their activities. On the other hand, modern technology requires basic knowledge to be operated and maintained properly and according to procedures. Incorrect installation of one machine component will of course have an impact on other components which will very detrimental to fishermen, as experienced by fishermen in Ammani Village, Pinrang Regency. The power transmission system from the propulsion engine to the ship's propeller via the shaft is an important component that must be considered. Sufficient understanding of this problem will have a very good impact on its use and service life. Selection and installation of an inappropriate transmission system will result in large vibrations, broken shafts, wear of bearings and clutches and can even damage the drive engine which is the most expensive component in the transmission system. In this activity, training was held on one of the problems often experienced by fishermen in Ammani Village, Pinrang Regency, namely propeller imbalance after undergoing a repair process. The series of activities consisted of presenting material about machinery transmission systems, propeller characteristics and propeller balancing demonstrations. Of the 20 (twenty) participants, there was an increase of 25% who answered understanding of power transmission systems, 20% increased in understanding of propeller characteristics and 45% increased in understanding of propeller static balancing methods after the activity was completed. By holding this activity, it is hoped that the fishermen participating in the training will understand and be able to carry out the static balancing process independently on the propeller before installing it. This will certainly provide a slight reduction in transmission system maintenance costs because the service life of the components is relatively longer.
CFD Simulation of Five Blades Archimedes Screw Turbine as Alternative Power Plant for Traditional Fishing Boat Nikmatullah, Muhammad Iqbal; Muhammad, Andi Haris; Baharuddin; Zulkifli; Rivai, Haryanti
Jurnal Riset & Teknologi Terapan Kemaritiman Vol. 3 No. 1 (2024)
Publisher : Departemen Teknik Sistem Perkapalan, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jrt2k.062024.02

Abstract

The need for electrical energy for traditional fishermen has greatly increased, considering that almost all equipment is now powered by electricity. Archimedes screw turbines, which are generally used as micro hydro power plants, especially in rivers or dams that incline, can be used as an alternative power generator for traditional fishing boats. This research aims to determine the performance of a five-blade Archimedes screw turbine using Ansys CFX software. The simulation was carried out with a flow velocity at the inlet boundary of 2.5 m/s using the transient simulation method, in order to obtain information about the flow characteristics around the turbine as the turbine rotates. So that the turbine can rotate during the simulation, the turbine domain is set using a Rigid Body Solution, so that its rotation will be influenced by the flow rate entering the turbine as is done in the laboratory. The results of this research will be used to optimize the performance of the turbine so that it can produce maximum power. From the simulation and analysis carried out, it was obtained that the mechanical power was 0.08 Watts and the hydraulic power was 0.49 Watts with a turbine efficiency of 17.28%. Apart from that, the increase in rotation produced by the turbine due to the hydraulic power of the water is directly proportional to the increase in mechanical power and torque in the turbine. The low value of mechanical power and efficiency obtained in this research is caused by the absence of an inclination angle between the inlet and outlet parts of the turbine.
Analisis Efektivitas Heat Exchanger Type Shell and Tube Menggunakan CFD Nikmatullah, Muhammad Iqbal; Sitepu, Andi Husni; Rahimuddin; Hariyanto, Surya; Alwi, M. Rusydi; Ilham Nur, Muhammad
Jurnal Riset & Teknologi Terapan Kemaritiman Vol. 3 No. 1 (2024)
Publisher : Departemen Teknik Sistem Perkapalan, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jrt2k.062024.01

Abstract

Heat exchanger type shell and tube merupakan alat penukar kalor yang banyak diguankan karena memiliki konstruksi yang sederhana, kokoh, kemudahan dari segi perawatan dan terhitung ekonomis. Salah satu industri perkapalan yang mengaplikasian heat exchanger type shell and tube adalah KM. Sirimau sebagai oil cooler untuk mendinginkan oil. Oil menjadi hal yang sangat penting dalam operasional permesinan kapal karena merupakan lapisan pelindung untuk memisahkan dua permukaan pada mesin yang saling bergesekan. Kenaikann suhu oil dapat menurunkan efisiensi kerja yang dapat berakibat fatal pada bagian permesinan. Sehingga perlunya pengkajian mengenai oil cooler khsususnya heat exchanger type shell and tube agar suhu oil dapat dipertahankan pada suhu tertentu. Analisis dilakukan menggunkan ANSYS untuk mengetahui selisih temperatur rata-rata logaritmik dan efektivitas heat exchanger dengan variasi tekanan pada fresh water. Berdasarkan hasil simulasi yang telah dilakukan menggunakan ANSYS CFX, pada tekanan 2,2 bar diperoleh selisih temperatur rata-rata logaritmik (LMTD) sebesar 31,221 °C dengan efektivitas hasil simulasi 65,73% dan efektivitas hasil perhitungan 63,29%. Pada tekanan 2,3 bar diperoleh nilai LMTD sebesar 31,341 °C dengan efektivitas hasil simulasi 65,47% dan efektivitas hasil perhitungan 62,27%. Pada tekanan 2,4 bar nilai LMTD sebesar 31,444 °C dengan efektivitas hasil simulasi 65,24% dan efektivitas hasil perhitungan 61,31%.
Desain Sistem Monitoring Pemakaian Bahan Bakar menggunakan LabVIEW Arkaan Yunus, Muhammad Fayyadh; Rivai, Haryanti; Nikmatullah, Muhammad Iqbal
Jurnal Riset & Teknologi Terapan Kemaritiman Vol. 3 No. 1 (2024)
Publisher : Departemen Teknik Sistem Perkapalan, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jrt2k.062024.03

Abstract

Bahan bakar memiliki peran yang sangat penting pada sebuah mesin atau kendaraan baik itu di darat, laut maupun udara. Bahan bakar merupakan suatu aspek yang tidak bisa dihilangkan pada sebuah mesin. Akibat dari pentingnya peranan bahan bakar inilah banyak oknum-oknum yang sengaja memanfaatkan ketidaktelitian pemilik kendaraan, para oknum-oknum sengaja mengambil bahan bakar yang berada didalam tangki dan dimanfaatkan untuk diri sendiri. Dari kasus inilah penelitian ini diadakan dengan cara memonitoring pemakaian bahan bakar menggunakan sensor-sensor yang berkaitan seperti sensor ultrasonik untuk mengukur volume tangki bahan bakar sebagai patokan awal bahan bakar, sensor flowmeter untuk mengukur laju aliran yang keluar dari tangki. Dari sensor-sensor ini dapat terbaca nilai-nilai seperti jumlah pemakaian bahan bakar dan volume bahan bakar yang terdapat di dalam tangki. Maka dapat dilihat apakah ada selisih antara pemakaian bahan bakar dengan sisa bahan bakar yang ada di tangki. Hal ini dapat meminimalisir kecurangan oknum-oknum dalam penggunaan bahan bakar karena hasil dari pembacaan sensor dapat langsung terbaca oleh pemilik kendaraan melalui sofware LabView yang nantinya dapat digunakan sebagai monitoring bahan bakar oleh pemilik kendaraan. Adapun pada penelitian ini peneliti menemukan beberapa nilai konsumsi bahan bakar pada beberapa RPM seperti pada 1000 RPM total konsumsi bahan bakarnya sebanyak 68,34 ml selama 120 detik, pada RPM 1500 total konsumsi bahan bakarnya sebanyak 73,29 ml selama 120 detik, sedangkan pada RPM 2000 total konsumsi bahan bakarnya sebanyak 76,33 selama 120 detik. Hal ini berarti perbandingan antara RPM dan konsumsi bahan bakar adalah berbanding lurus.
Pengaruh Jarak Rudder dan Propeller terhadap Kemampuan Thrust Kapal Perikanan 30 GT Nikmatullah, Muhammad Iqbal; Muhammad, Andi Haris; Haryanto, Haryanto; Zulkifli, Zulkifli
Jurnal Riset & Teknologi Terapan Kemaritiman Vol. 1 No. 1 (2022)
Publisher : Departemen Teknik Sistem Perkapalan, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jrt2k.062022.05

Abstract

Kapal perikanan umumnya dirancang dengan misi untuk menemukan, menangkap dan melestarikan ikan. Hal ini menjadikan kapal perikanan memiliki parameter desain yang berbeda dibanding kapal niaga pada umumnya. Sebagaimana fungsi kapal perikanan dalam operasinya yaitu mengejar dan melingkari jaring (purse-seine) serta menangkap ikan menjadikan kemampuan manuver kapal perikanan sangat penting. Kapal perikanan harus memiliki konfigurasi sistem propulsi yang handal guna tercapainya dorongan dari propeller yang maksimal. Penelitian ini bertujuan untuk mengetahui seberapa besar pengaruh jarak rudder dari propeller terhadap kemampuan thrust pada sistem propulsi kapal perikanan, serta menentukan peletakan rudder terhadap propeller yang paling optimal pada kapal menggunakan pendekatan CFD (Computational Fluid Dynamic). Variasi jarak rudder terhadap propeller yang dilakukan pada penelitian ini antara 5% diameter propeller (0.04 m) sampai 100% diameter propeller (0.80 m). Dari hasil simulasi diperoleh bahwa nilai thrust paling baik terjadi pada variasi 20% diameter propeller (0.16 m) yaitu sebesar 16,243 N atau 5% lebih besar dibanding rata-rata nilai thrust yang diperoleh pada variasi jarak yang lain.
Co-Authors . Baharuddin ., Rahimuddin Ahyuni, Sri Alwi, M. Rusydi Andi Haris Muhammad Andi Haris Muhammad Andi Husni Sitepu Arkaan Yunus, Muhammad Fayyadh Baharuddin Baharuddin - Baharuddin . Baharuddin Baharuddin Baharuddin, Baharuddin Balqis Shintarahayu Chatarina Umbul Wahyuni Damis, Masyhuri Eka, A. Erwin Faisal Mahmuddin Ganding Sitepu Hariyanto, Surya Haryanti Rivai Haryanti Rivai, Haryanti Haryanto Haryanto Hasnawiyah Hasan Ilham Nur, Muhammad Ilyas, Rachmat Zakaria Kalsum AL, Ummi Klara, Sherly Lukman Bochary M. Rusydi Alwi M. Rusydi Alwi Mansyur Hasbullah Misliah - Muhammad Faizal Muhammad Rusydi Alwi N, Agung Setiawan Rahimuddin Rahimuddin Rahimuddin Rivai, Haryanti Surya Hariyanto Surya Haryanto Syerly Klara Zulkifli A Yusuf Zulkifli Yusuf Zulkifli Zulkifli Zulkifly Zulkifly