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All Journal Dinamika Bahari: Journal of Maritime Dynamic Jurnal Informasi Sains dan Teknologi (ISAINTEK) Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) Indonesian Research Journal on Education Innovative: Journal Of Social Science Research Central Community Development Journal Jurnal Cakrawala Bahari J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Imanto, Frenki
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Perancangan Bangunan Menara Air pada Sistem Sea Water Reverse Osmosis Imanto, Frenki; Wilujeng, Auliana; Fatah, Misbakhul; Hamid, Abdul; Wijaya, Septian
Journal of Applied Mechanical Engineering and Renewable Energy Vol 4 No 2: August 2024
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jamere.v4i2.926

Abstract

Water tower buildings using the SWRO (Sea Water Reverse Osmosis) system are needed as part of processing sea water into clean water. So that it can be used by the local community to meet their daily needs. In this research we designed a water building in the SWRO system by analyzing it using the FEM method. The upper frame is made from gray cast ATM A48 material with grade 25 with a C channel type profile measuring 80x8 mm. Meanwhile, the supporting frame is made of gray cast ATM A48 material with grade 25 with an L type profile with dimensions of 40x40x3 mm and 30x30x3 mm. The largest stress load stimulation was obtained at 415.8 MPa on the upper frame, which indicates it is in the safe category. Meanwhile, the largest displacement value was 60.46 mm for the upper frame. This shows that the design of water structures in the SWRO system in this research can be classified as safe.
Optimalisasi Kegiatan Fire Drill bagi Crew Kapal dalam Menjaga Keselamatan di Kapal KM. Jaya Elo 01 Mahendra, Harry; Kurniawan, Edi; Nazarwin, Nazarwin; Imanto, Frenki
Jurnal Cakrawala Bahari Vol. 7 No. 1 (2024): Jurnal Cakrawala Bahari
Publisher : Politeknik Pelayaran Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70031/jkb.v7i1.55

Abstract

Kebakaran merupakan salah satu resiko yang dapat terjadi kapan saja dan dimana saja dalam kegiatan pelayaran kapal laut. Tingginya tingkat resiko kebarakan maka diperlukan suatu sistem penanggulangan kebakaran dengan baik sehingga ketika terjadi keadaan darurat khususnya kebakaran di atas kapal diperlukan pengoptimalan dalam pelaksanaan fire drill. Tujuan penelitian ini untuk mengetahui bagaimana penerapan fire drill untuk meningkatkan keselamatan crew KM. Jaya Elo 01 dan bagaimana pemahaman para crew kapal dalam pelaksanaan fire drill. Pada karya ilmiah ini penulis menggunakan pendekatan deskriptif kualitatif dan sumber data primer dan sekunder. Proses dari teknik pengumpulan data tugas akhir ini dengan melakukan wawancara, observasi dan dokumentasi. Hasil penelitian ini dapat diketahui bahwa penerapan fire dirll dikapal KM. Jaya Elo 01 sesuai dengan peraturan SOLAS 1974. Maka, menurut penulis kurang optimal dan maksimal karena banyaknya jadwal fire dirll yang diganti ke safety metting
Analisis Kebocoran Exhaust Valve Mesin Induk Silinder Nomor 4 dan 5 Di MV Natascha Menggunakan Event Tree dan Fishbone Analysis Robbi, Shofa Dai; Sukarto, Ainur Raihan Nafi; Gupron, Akhmad Kasan; Kristiyono, Antonius Edy; Imanto, Frenki
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 1 (2025): Juni: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i1.321

Abstract

Ships as the main mode of transportation that has a strategic role in trade transportation, the trade supply chain really needs proper operations. The operational of the ship is greatly influenced by the performance of the main engine. One of the critical components of the main engine is the exhaust valve which functions to regulate the release of exhaust gas from the combustion chamber to the exhaust manifold. The research is qualitative, collecting data through observation, documentation, and interviews. The event tree analysis (ETA) method is implemented the sequence of impacts produced by exhaust valve, such as high working temperatures, low engine performance, and standard functions described in the manual book so that leaks can be identified. So, From this analysis, the impacts that are traced sequentially to the performance of the exhaust valve itself can also be found. In addition, a fishbone diagram is used to describe the factors that cause leaks, including human error, managerial deficiencies, neglected inspections, and errors in maintenance techniques. Thus, the right handling can be found to overcome exhaust valve leaks, such as repairs required while the engine is stopped, repeated spare part submissions from ship management, conducting spindle thickness inspections, and improving maintenance techniques as specified in the engine manual book. Proper and effective preventive and handling actions based on the root causes outlined are essential to ensure proper operation of the machine.
Analisis Dampak Menurunnya Tekanan Kompresi pada Kompresor Udara Type SC40N Salsabila, Trya; Dirhamsyah, Dirhamsyah; Kurniawati, Elly; Prawoto, Agus; Imanto, Frenki; Robbi, Shofa Dai
J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 10 No. 1 (2025): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v10i1.3370

Abstract

Menurunnya kompresi pada Kompresor udara yang menimbulkan dampak lambatnya pengisian udara bertekanan di dalam botol angin. Kompresor berfungsi untuk mengompresi udara bertekanan yang berfungsi untuk start mesin induk, mesin generator maupun permesinan bantu lainnya sehingga penanganan termostat dengan segera dapat terhindar dari kerusakan. Penelitian ini menggunakan metode kualitatif untuk mengetahui penyebab menurunnya kompresi pada Kompresor udara terhadap pengisian udara bertekanan di dalam botol angin di kapal MV Aliyah Pertiwi. Penelitian ini menggunakan metode analisis deskriptif dengan menggunakan fishbone analysis, dengan pengambilan data dari hasil observasi, dokumentasi, dan wawancara. Hasil penelitian ini menunjukkan bahwa penyebab menurunnya kompresi pada Kompresor udara yang di sebabkan oleh rusaknya low pressure suction valve dapat menyebabkan keterlambatan dalam pengisian udara bertekanan di dalam botol angin. Oleh karena itu, dilakukanlah penanganan pada low pressure suction valve dengan mengganti komponen tersebut dengan spare part yang baru dikarenakan low pressure suction valve sebelumnya sudah melewati batas kinerja mesin. Setalah dilakukan penanganan pada low pressure suction valve, pressure kompresi pada Kompresor udara menjadi normal.
Analysis of Maintenance Management Model on Refrigerator System on Ship Kundori, Kundori; Khamdilah, Ali; Imanto, Frenki
Dinamika Bahari Vol 6 No 2 (2025): October 2025 Edition
Publisher : Politeknik Ilmu Pelayaran Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46484/db.v6i2.981

Abstract

One type of auxiliary machinery on the ship is a refrigerator systemthat is used to store food supplies to keep them in fresh condition and not quickly damaged or rotten. The purpose of this study is to provide an analysis of the maintenance management model on the refrigerator system so that it can function optimally and predict the possibility of existing damage. The method used is mix method research by combining quantitative and qualitative designs to provide an overview of the problems and solutions provided to the refrigerator system. The results show that the Filter Dryer has the highest damage rate (25%) and the lowest MTBF (864 hours). The discharge pressure has increased from the standard provisions of 250, but in reality it rose to 275, so that it has a deviation of +10%. The discharge pressure deviation indicates a potential problem with the compressor. Limited spare parts inventory is often a complaint of the chief engineer in carrying out maintenance of refrigerator system. The impact of this research shows that the existing maintenance program needs to be restructured. This restructuring could include rescheduling maintenance activities, allocating resources more effectively, as well as implementing a risk- or condition-based approach to reduce downtime and improve efficiency.
Environmentally Friendly Human Resources Management for Indonesia Gold 2045 Container Ports With Maximize Green HRD Port Amrullah, Romanda Annas; Moejiono, Moejiono; Imanto, Frenki; Arleiny, Arleiny; Rahkman, Rizqi Aini; Prayitno, Prayitno
Indonesian Research Journal on Education Vol. 4 No. 4 (2024): irje 2024
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/irje.v4i4.1467

Abstract

Container ports are one of the investment attractions, the busier the port, the more investment there will be and vice versa, but the success of a port is determined by good service. Environmentally friendly human resources of container ports determine performance improvement. This study uses a qualitative approach method, environmentally based human resources. the data collected is interpreted to produce a deeper understanding of the phenomena observed in the field. The data will then be constructed into themes that have significant meaning. The results of the study found a new concept of Maximize Green Hrd Port which was tested on the management of a container port in Indonesia.
Analisis Efektivitas Perawatan Evaporator Plate Fresh Water Generator Type Aqua 125 HW Di Kapal MV CNC Jawa Dengan Metode Fishbone Diagram Rahman, Rizki Ardika; Imanto, Frenki; Zainuddin, Mochamad; Nugroho, Aziz; Robbi, Shofa Dai
Innovative: Journal Of Social Science Research Vol. 5 No. 2 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i2.18763

Abstract

The Fresh Water Generator (FWG) is a device on ships that converts seawater into freshwater through the processes of evaporation and condensation. FWG is essential for various purposes such as consumption, washing, and engine cooling. This study aims to address three main research questions: what maintenance methods are applied to the FWG evaporator plate, how does the FWG perform before and after maintenance, and how effective is the system after the maintenance is conducted.The research was carried out on the MV CNC Jawa by analyzing the effectiveness of maintenance on the FWG Type AQUA-125-HW evaporator plate through direct observation, interviews with ship crew, and analysis of logbook data. The evaluation used a fishbone diagram to identify the factors contributing to decreased maintenance effectiveness, including human resources, maintenance methods, materials, and machinery.The results show that both preventive and corrective maintenance—such as routine cleaning and the use of Ameroyal chemical agents—successfully improved heat transfer efficiency. Freshwater production increased from 5–8 tons/day to 13 tons/day, energy consumption decreased, and FWG operation became more stable. The evaluation concludes that proper maintenance strategies and crew training are essential in ensuring the reliability of the FWG and the overall operational efficiency of the vessel.
Analisis Fishbone Diagram Dalam Penanganan Kerusakan Thermostat Sistem Pendingin Air Tawar Auxiliary Engine Kapal MV Meratus Payakumbuh Haryono, Aditya Dwi Putra; Imanto, Frenki; Gupron, Akhmad Kasan; Kristiyono, Antonius Edy; Nugroho, Azis; Gunarti, Monika Retno
Innovative: Journal Of Social Science Research Vol. 5 No. 3 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i3.18919

Abstract

Auxiliary engine merupakan permesinan yang berperan menghasilkan energi listrik dari energi mekanik di atas kapal. Untuk beroperasi dengan optimal dan terhindar dari overheating, auxiliary engine didukung sirkulasi sistem pendingin yang prima. Salah satu komponen mesin pendingin adalah thermostat. thermostat berfungsi untuk mengontrol aliran air coolant menuju antara ke mesin kembali atau bagian heat exchanger. Kerusakan pada thermostat akan menimbulkan dampak besar bagi kinerja auxiliary engine.Penelitian ini membahas penyebab kerusaka, dampak serta langkah penanganan pada thermostat auxiliary engine nomor 3 di kapal MV Meratus Payakumbuh. Penelitian menggunakan metode kualitatif dengan fishbone analysis. Proses pengambilan data dilakukan dengan observasi, dokumentasi, dan wawancara.Hasil penelitian menunjukkan bahwa kerusakan thermostat auxiliary engine disebabkan oleh faktor usia komponen thermostat dan berdampak pada tingginya suhu temperatur pada sistem pendingin air tawar mencapai 90°C. Penanganan kerusakan thermostat dilakukan dengan cara menukar sementara bagian thermostat yang ada pada auxiliary engine nomor 2 yang bertipe sama. Agar suhu temperatur pada sistem pendingin air tawar menjadi normal. Oleh karena itu, kebutuhan listrik di kapal tetap terjaga dan beroperasi dengan baik sampai ada perbaikan total. Langkah selanjutnya adalah perbaikan secara menyeluruh setelah persedian suku cadang tersedia.
Failure Mode and Effect Analysis Kebocoran Pipa Air Laut Pendingin LO Cooler Mesin Induk Kapal KMP Agung Samudera XVIII Sukron, Ainaya Alfatihah; Imanto, Frenki; Gupron, Akhmad Kasan; Kristiyono, Antonius Edy; Nugroho, Azis
Innovative: Journal Of Social Science Research Vol. 5 No. 3 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i3.18934

Abstract

Mesin induk adalah penggerak utama dalam operasional kapal laut. Sistem pendingin merupakan salah satu sistem dalam mendukung kinerja mesin induk. Pentingnya peran sistem pendingin maka penelitian ini membahas tentang faktor penyebab kebocoran pada pipa air laut, menentukan dampak yang terjadi, serta rekomendasi penanganan yang dilakukan untuk mengatasi kebocoran. Pada karya tulis ilmiah ini Peneliti menggunakan metode Failure Mode and Effect Analysis (FMEA) dalam mempermudah analisis data. Metode pengumpulan data yang Peneliti lakukan adalah dengan cara observasi, wawancara dan dokumentasi. Hasil penelitian menunjukkan bahwa faktor yang menyebabkan kebocoran pada pipa LO Cooler ialah korosi karena air laut yang bersifat korosif. Dampak yang terjadi ialah menyebabkan kinerja pompa menjadi terganggu. Berdasarkan analisis FMEA didapatkan nilai teringgi untuk severity  adalah pompa sea water dengan point 4 , sedangkan occurance adalah pipa kapiler (tube) dengan nilai 4, dan detection adalah pompa sea water dengan nilai 5. Nilai risk priority number (RPN) paling tinggi adalah pompa sea water dengan hasil nilai 40. Oleh karena itu. Rekomendasi penanganan kebocoran pipa air laut adalah melakukan perawatan rutin dan ketersediaan suku cadang di atas kapal..
Sustaining employee well-being in hierarchical work communities: The roles of capability bundles and digital innovation channels in Indonesian hotels Amrullah, Romanda Annas; Arleiny, Arleiny; Imanto, Frenki; Moejiono, Moejiono; Prayitno, Prayitno
Central Community Development Journal Vol. 5 No. 2 (2025): December 2025
Publisher : Privietlab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55942/ccdj.v5i2.1344

Abstract

This study examines how employee capabilities and technology-mediated channels shape well-being in hierarchical hotel contexts marked by coercive leadership. Drawing on Approach–Avoidance Motivation and Diffusion of Innovation, we theorize a resource-and-channels model in which (a) Exapro-a capability bundle combining professional experience and proactive personality-enhances employee well-being, and (b) electronic diffusion of innovation (e-DOI) strengthens the welfare returns to Exapro by providing safer, auditable pathways for idea sharing when face-to-face voice is risky. We test the model using a three-wave longitudinal design across 26 three- to five-star hotels in Central Java and the Special Region of Yogyakarta (Indonesia) with N = 100 employees concentrated in frontline, rotating-shift roles. Using PLS-SEM (SmartPLS 4), measurement properties met recommended thresholds. Results show that the direct effect of despotic leadership on well-being is not significant (H1 rejected) once resources and channels are modeled. By contrast, despotic leadership positively predicts Exapro (H2 supported), Exapro positively predicts well-being (H3 supported), and e-DOI positively moderates the Exapro → well-being link (H4 supported). The model explains a moderate share of variance in well-being (R² ≈ .52). The findings reframe leader–well-being debates by demonstrating a suppressed/contingent direct effect of despotism and highlighting that what employees can do (Exapro) and how they can safely make it visible (e-DOI) are pivotal for sustaining well-being. Practically, hotels should build experience-based scripts, select/develop for proactivity, and institutionalize digital codification of micro-innovations while strengthening leadership accountability.
Co-Authors Abdul Hamid Akhmad Kasan Gupron, Akhmad Kasan Arleiny, Arleiny Aziz Nugroho Daniel Happy Putra Dirhamsyah, Dirhamsyah Edi Kurniawan Fatah, Misbakhul Gunarti, Monika Retno Haryono, Aditya Dwi Putra Khamdilah, Ali Kristiyono, Antonius Edy Kundori Mahendra, Harry Moejiono, Moejiono Nazarwin, Nazarwin Nugroho, Azis Prawoto, Agus Prayitno Prayitno Rahkman, Rizqi Aini Rahman, Rizki Ardika Robbi, Shofa Dai Romanda Annas Amrullah Salsabila, Trya Sukarto, Ainur Raihan Nafi Sukron, Ainaya Alfatihah Wijaya, Septian Wilujeng, Auliana Zainuddin, Mochamad