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All Journal TEKNIK KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan JURNAL INTEGRASI INOVTEK POLBENG Jurnal Teknologi Terapan Abdimasku : Jurnal Pengabdian Masyarakat Jurnal Techno Bahari Makara Journal of Technology Jurnal Cakrawala Maritim Jurnal Teknologi Maritim Proceedings Conference on Marine Engineering and its Application PROCEEDINGS CONFERENCE ON DESIGN AND MANUFACTURE AND ITS APPLICATION
Adi Wirawan Husodo
Politeknik Perkapalan Negeri Surabaya
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Analisis Kekuatan Struktur Pondasi Mesin Induk di Bangunan Baru Kapal Tanker 6500 LTDW dengan Menggunakan Software Ansy Wido Juni Wijanarko; Adi Wirawan Husodo; Eky Novianarenti
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

The strength construction to know the reaction that received in the construction to keep froma load, this aims to determine the safety and security of a construction. This research willfind equivalent stress value from a main engine foundation because loading from mainengine weight and main engine operation to customized with Class standard and to findsafety factor value. The load modelling will use Ansys Workbench 17.2, the method will useto analisys is a Finite Element metode to find stress value. This method will be used whendoing meshing in the Ansys Software. Meshing used size meshing 700 mm and fine for typemesh. The result have got the maximum stress value occurs at main engine Trial Conditionswith power at 100% got 237,8 MPa. Of All conditions analysis that have done have safetyfactor exceed than 1, maximum safety factor got 1,144 when main engine trial condition, sothis constructions confirmed safety construction. Then, maximum equivalent stress notpermitted exceed 264,37 MPa because it regulated from Class. Critical Area will receive inthe frame number 22.
ANALISA MODEL GETARAN MAIN ENGINE PADA PONDASI MAIN ENGINE KAPAL TANKER 6500 LTDW Roslyna Lovelylo; Adi Wirawan Husodo; Eky Novianarenti
Proceedings Conference on Marine Engineering and its Application Vol 3 No 1 (2020): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

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Abstract

This article mainly describes vibration on new ship’s main engine foundation. The highamplitude of vibration could damage ship’s hull structure and disturb ship’s passenger. The amplitudecan be reduced by adding damping in the main engine foundation. Thereby in this article, modellingthe matemathic equation to get the vibration response. In matemathic equation a software calledMATLAB is used to determine the best graphic response. The stiffness equivalen in the main enginefoundatioon is 1,29 × 106????/????????.In this article use two damping variastion. The first point graphicshow the displacement of main engine foundation in the amount of 0.3 mm on time 0 sec, The secondpoint o graphic show the displacement of main engine foundation in the amount of 0.278 mm on time 0sec, The third point graphic show the displacement of main engine foundation in the amount of 0.299mm on time 0 sec.
ANALISIS KELELAHAN NEW PROPELLER KAPLAN K4-70 SERIES PADA KAPAL TUGBOAT 1000 HP MENGGUNAKAN METODE COMPUTIONAL FLUID DYNAMICS Muhammad Fauzan; Adi Wirawan Husodo; Benedicta Dian Alfanda
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2439

Abstract

The function of a tugboat is to tow or push other ships in harbors, open seas and rivers or canals. The propeller used should have an age according to the docking schedule, which is 5 years. However, the propeller was damaged before the ship docked. The owner ordered a new type of propeller with the Kaplan K4-70 series type. The loading given the results of the contour pressure on the CFD software is run using a variation of the propeller rotation. The FEM method for obtaining Hot Spot Stress uses the stress that occurs, namely the von Mises stress (equivalent stress). S-N curve to analyze the results of voltage values and cycles. After that, the value of the fatigue life of the propeller itself can be found. From the results of this study there is an influence on the thrust and torque values for each variation where from the running results the greatest value is obtained at 198.53 rpm at 18601.503 N and 3810.881 Nm and 234.24 rpm at 41563.213N and 6585.7302 Nm. The effect of variations in propeller rotation on thrust and torque values is that the greater the propeller rotation, the greater the value of thrust and torque as well. The location of the hot spot stress for each variation is at the root back blade of the propeller. The maximum stress/stress that occurs in the propeller is 198.53 rpm at 12.07 MPa, 238.24 rpm at 34.646 Mpa and for 357.35 rpm at 97.393. The effect of loading is that the greater the rpm/load value, the greater the resulting stress value (Von-Misses). The service life of the propeller is 198.53 rpm with a service life of 300 days for 25.865 years. For 238.24 rpm for 22.43 years and for 357.35 rpm for 14.57 years.
Analisis Getaran Pondasi Pada Mesin Induk Akibat Penambahan Plat Kapal KMP Dharma Kartika VIII Abrian Wira Syaputra; Adi Wirawan Husodo; Heroe Poernomo
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2634

Abstract

Vibration is a response from a mechanical system that occurs due to the excitation force given.Vibration on the Main Engine foundation is very influential on the construction. As in ro-ro ships thatexperience changes to the main engine, which in the end also requires the addition of plates on the mainengine foundation to fulfill the alignment value between the main engine and the gearbox. This FinalProject discusses the vibrations that occur in the ship's main engine foundation using mathematicalmodeling methods. Mathematical modeling is used to determine the system that works in a mathematicalstatement. Preliminary analysis conducted to determine the value of mathematical modeling. Thedeflection and stiffness values also affect the vibration response that occurs in the main enginefoundation. This mathematical modeling produces a vibration response in the form of a vibrationresponse equation and the resulting equation can produce a graph by entering the equation into theMatlab software. The vibration response graph uses two variations, namely at 85% RPM and 100% RPM.From the calculation results obtained amplitude values of 0.179 mm at 85% RPM and 0.199 mm at 100%RPM before adding the plate. And has an amplitude value of 0.172 mm at 85% RPM and 0.191 mm at100% RPM after adding the plate. According to the ABS the recommended displacement is below 1.0 mmand the probability of damage is above 2.0 mm. This shows that the vibrations that occur in this structureare permitted.
Perencanaan Konfigurasi Layout Slipway Untuk Meningkatkan Kapasitas Winch Pada Galangan X Muhammad Irzam Amrizal; Adi Wirawan Husodo; Heroe Poernomo
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2674

Abstract

This research the planning of slipway layout configuration to increase the capacityof the existing winch at the shipyard. The slipway layout configuration includes several thingssuch as slipway layout, number of Pulleys turns, Pulley position, and ground conditions. Thisresearch aims to determine the maximum safe working load value of wire rope, the pullingforce of each ship that will be docking, and the appropriate number of turns on the Pulley. Theship variations used to plan the slipway layout configuration are 10813 DWT container ship,8200 DWT container ship and 7080 DWT cargo ship. Variations are made to determine thenumber of Pulley requirements and Pulley windings for each ship that will be docked. Themaximum force calculation results show that the 10813 DWT container ship requires 13 Pulleywindings. while the 8200 DWT container ship requires 11 Pulley windings. The 7080 DWTship requires 9 Pulley windings. In planning the slipway layout configuration to increase thewinch capacity, 1 Pulley is added to the fixed pulley and 1 Pulley to the moving Pulley so that13 turns are obtained.
Analisis Kekuatan dan Umur Kelelahan (Fatigue Life) Terhadap Pondasi Crane SWL 3,6 Ton pada Kapal LCT 31 Meter dengan Metode FEM (Finite Element Method) Achmad Masykurozi; Adi Wirawan Husodo; Benedicta Dian Alfanda
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2679

Abstract

– LCT is are transport vessels that can approach platforms and jetties. LCT vessels are equippedwith cranes to facilitate the delivery and transfer of accommodation needs on the ship. Therefore, it isnecessary to plan a crane foundation that can withstand the weight of the crane itself and the load liftedby the crane. The 31-meter LCT ship suffered damage to the crane foundation due to static loads, so it isnecessary to replace the new crane foundation. In this Final Project, we will analyze the strength andfatigue life of the 3.6 ton SWL crane foundation on a 31-meter LCT ship in order to minimize the risk ofwork accidents and estimate the fatigue life of the new crane foundation. To complete this Final Project,the method used is the finite element method by creating a model in AutoCAD 2016 software and analyzingit in the finite element method software. The results of the analysis show that the von mises stress thatoccurs is 124.53 MPa, while the maximum deflection that occurs is 1.54 mm and the safety factor valueis 1.525. These stresses and deflections are in accordance with BKI rules because they do not exceed theallowable stress of 190 MPa and the allowable deflection of 2.75 mm. And for the estimated fatigue lifeof the crane foundation of 28.62 years.
Analisis Kekuatan Dan Kelelahan Konstruksi Pondasi Mesin Kapal General Cargo 6088 GT Nina Bonita; Adi Wirawan Husodo; Heroe Poernomo
Proceedings Conference on Marine Engineering and its Application Vol 6 No 1 (2023): Conference on Marine Engineering and its Aplication
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v6i1.2681

Abstract

A ship inspection outside the inspection schedule is called an additional inspection.The 6088 GT general cargo ship conducted an additional inspection because the mainengine failed to operate and replaced the wuxi antai power X8320ZC4B-1 engine weighing26700 kg with a yanmar 8N330-WU engine weighing 43000 kg. It is necessary to recalculatethe strength of the main engine foundation. Because the main engine foundation is thestructural support of all the loads above it including the engine itself. After the calculation ofstrength, it is necessary to calculate fatigue, after calculating the fatigue of the main enginefoundation, the estimated age of the engine foundation will be known so that the owner canschedule a replacement according to the ship's inspection schedule. In completing this FinalProject, the method used is the finite element method with input 3D modelling of thefoundation and its loading conditions in the Finite Element Method software. The results ofthe analysis can be seen from the load given of 421400 N with variations in the main engineat 100% rpm conditions and at service speed, the maximum stress obtained is 39.935 MPawith a permit stress value of 230 MPa, while the maximum deformation that occurs is 0,097mm with a permit deflection value of 12.300 mm. Then obtained a cycle value of 82129000,the estimated fatigue life of the main engine foundation is 25.65 years
Analisa Keandalan Struktur pada Container Crane SWL 40 Ton Menggunakan Metode Monte Carlo Cahyo Dwi Satria; Adi Wirawan Husodo; Mohamad Hakam
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 4 No 1 (2020): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

In its operation, container crane are significantly affected by usage and environmental conditions. The structure of the container crane must be able and show the best performance in overcoming the loading and environmental conditions. This study aims to determine the reliability of the container crane structure of the container crane type quay crane with SWL 40 tons. The method used is perform a static analysis by calculating the value of von mises stress and deflection due to loading condition. The loads use variation, 60% SWL, 100% SWL, and 110% SWL. To calculate the reliability of the structure, the author uses the Monte Carlo method. With the help of CATIA V5R21 software to model and perform FEM analysis of container crane structures and the result compared with manual calculation. The error rate between software and normal calculation is 6,86 %. The critical point of stress occurs at boom. The results of the analysis of the reliability of the container crane structure using Monte Carlo show that the reliability value of the structure after 21 years is decreasing.
Desain dan Fabrikasi Mandrel Pada Mesin Filament Winding Fiber Reinforced Plastic Untuk Produksi Packing spacer Pipa di PT. RPC Indonesia Noviandini Galuh Permatasari; Adi Wirawan Husodo; Dhika Aditya Purnomo
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 6 No 1 (2022): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

PT. RPC Indonesia produces pipes using the filament winding method. The pipe has shipping standards to ensure it reaches its destination safely, so a packing spacer is made as a pipe safety in the shipping process. Currently, the process of making packing spacers is using the hand lay-up method. This is deemed less effective because of the lengthy manual manufacturing process with poor results, and because it takes workers who only focus on making packing spacers. Therefore, a mandrel that functions as concrete was designed to transfer the hand lay-up process to the winding process using a filament winding machine for the production of packing spacers. The Ulrich method is used in the mandrel design process for packing spacers, starting from the requirements, making alternative design concepts, selecting design concepts, and realizing the design. Based on the results of the design concept, the selected design concept is design concept 2. Next, the process of fabrication and testing of the mandrel and the output produced by the mandrel are carried out. It was found that the mandrel was able to produce 18 pieces of DN100 pipe packing spacers in 8 hours. The output or packing spacers produced from the production process with a mandrel using a filament winding machine are able to withstand a load of 3008 kg. The total budget for making mandrels is Rp. 5,847,000. In future research, it is expected to add a silicone filament separator component that is resistant to high temperatures so that the fiber does not slip due to the presence of resin.
Analisis Tegangan Sistem Perpipaan Cold Reheat Boiler Berkapasitas 2300 Ton/Jam Pada Kondisi Tidak Operasi Mahardhika, Pekik; Adi Wirawan Husodo; Ekky Nur Budiyanto; Benedicta Dian Alfanda; Rina Sandora
Jurnal Teknologi Maritim Vol. 7 No. 2 (2024): Jurnal Teknologi Maritim
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/jtm.v7i2.34

Abstract

Salah satu pembangkit listrik bertenaga uap terbesar di Jawa Timur menggunakan 3 (tiga) unit boiler dengan kapasitas masing-masing sebesar 2300 ton/h untuk mendukung fungsinya. Pada akhir tahun 2023 salah satu unit boiler (Unit-7) dilakukan shut-down untuk melakukan kegiatan perawatan. Perawatan pada sistem perpipaan dilakukan pengecekan terhadap kemungkinan pengurangan ketebalan pipa dan pengecekan terhadap posisi elevasi pipa ketika kondisi tidak beroperasi (cold condition). Salah satu sistem perpipaan pada unit 7 adalah Cold Reheat Pipe (CRP). Analisa tegangan pada sistem perpipaan perlu dilakukan dan menjadi satu kesatuan kegiatan proses pengecekan sistem perpipaan berguna untuk mengetahui apakah dalam kondisi tanpa operasi (cold condition) masih memenuhi kriteria ASME B31.1 (dikatakan aman) atau tidak. Tahapan penelitian ini meliputi pemodelan & simulasi tegangan pipa menggunakan stress analysis software kondisi tanpa operasi (cold condition) dan disesuaikan dengan kriteria penerimaan ASME B31.1. Dari hasil simulasi menunjukkan bahwa seluruh tegangan yang terjadi pada sistem perpipaan CRP BS 130 dan CRP BS 131 lebih rendah dari tegangan izin. Disimpulkan bahwa sistem perpipaan dalam kondisi tidak beroperasi aman bahkan pada ketebalan pipa yang ada.
Co-Authors , Lukman Handoko Abrian Wira Syaputra Achmad Masykurozi Adelia Tanti Ramadhani Agung Purwana Ahmad, Mahasin Maulana Alam, Hafiz Akbar Alfin Ardianto Alhakim, Rizaldi Taufik Ariwiyono, Nopem Bagas Haris Firmansyah Bambang Antoko Benedicta Dian Alfanda Budianto, Ekky Nur Budiyanto, Ekky Nur Cahyo Dwi Satria Daisy KRA Dhika Aditya Purnomo Dianita Wardani Ekky Nur Budiyanto Eky Novianarenti Eky Novianarenti Fais Hamzah Haidar Natsir Amrullah Heroe Poernomo Heroe Poernomo I Ketut Aria Pria Utama I Made Ariana I Putu Sindhu Asmara Ika Erawati Kusuma, George Endri Mades Darul Khairansyah Mahardhika, Pekik Mohamad Hakam Mohamad Hakam@ppns.ac.id Muhammad Fauzan Muhammad Irzam Amrizal Naufal, Muhammad Ellang Nina Bonita Nopem Ariwiyono, Bachtiar Noviandini Galuh Permatasari Pekik Mahardhika Priyambodo Nur Ardi Nugroho Priyo Agus Setiawan Projek Priyonggo Sumangun Lukitadi Raden Dimas Endro Witjonarko Reza Fardiyan As’ad Rina Sandora Roslyna Lovelylo Santoso, Emie Soim, Subagio Subagio Soim Syamsiar, Syamsiar Tamimah, Ni'matut Tarikh Azis Ramadani Viqqi Vadilla V.A. Wido Juni Wijanarko Witjonarko, R. Dimas Endro