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All Journal Jurnal Techno Bahari Society: Jurnal Pengabdian Masyarakat Mein: Journal of Mechanical, Electrical & Industrial Technology
Ariwiyono, Nopem
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Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Transportation

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KARAKTERIK GETARAN PONDASI MESIN INDUK OFFSHORE SUPPLY VESSEL 907 GT PADA KONDISI OPERASI Poernomo, Heroe; Husodo, Adi Wirawan; Soim, Subagio; Antoko, Bambang; Ariwiyono, Nopem; Alhakim, Rizaldi Taufik
Techno Bahari Vol 10 No 1 (2023)
Publisher : Politeknik Negeri Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52234/tb.v10i1.227

Abstract

In this research, an analysis has been carried out to determine the vibration characteristics that occur on the main engine foundation of the 907 GT offshore supply ship under operating conditions. Numerical methods based on mathematical modelling of machine foundation construction are used as a reference for analysing the possibility of resonance, displacement response and velocity response. Mathematical modelling is developed by taking into account the weight and power of the main engine, the dimensions and configuration of the main engine foundation, and the damping coefficient. Mathematical modelling is realized in the form of a 2nd order differential equation (ODE). From the results of the analysis performed, it shows that resonance generally does not occur. This is because the value of the natural frequency of the main engine foundation is different from the value of the engine excitation frequency. However, more attention must be paid when the ship operates at engine speed between 1760 RPM to 1980 RPM. This is because the value of the main engine excitation frequency is close to the natural frequency of the foundation construction. The greater the rotation of the main engine, the magnitude of the displacement response is also greater. The velocity response value that occurs still meets the conditions specified by the American Bureau of Shipping (ABS). Mathematical modelling that has been prepared can describe clearly the vibration characteristics of the main engine foundation.
Outboard Engine Maintenance and Repair Training for Fishermen and Kelompok Sadar Wisata (PokDarWis) in Tlocor Sidoarjo Gafur, Abdul; Haryono, Edi; Endro, R. Dimas; Alfanda, Benedcita Dian; Pramesti, Lely; Julianto, Eko; Santoso, Mardi; Kusminah, Imah Luluk; Antoko, Bambang; Ariwiyono, Nopem; Umbara, Albert Wida
Society : Jurnal Pengabdian Masyarakat Vol 4, No 3 (2025): Mei
Publisher : Edumedia Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55824/jpm.v4i3.565

Abstract

Outboard Engine has been known and used as motor boat among of the residents of fisherman community in Tlocors village. Motor boats powered by outboard engine are not only used for fishing, but also used as marine tourism facilities. Considering the vital functional usage of outboard engine for Tlocor’s fisherman community and village community tourism groups  (Pokdarwis), for maintaining    economic livelihood, any interrupted items that happened during motor operation periods would be very significant impact on their daily life. Loss of income resulting from engine problem is the most of many potential cases occurred on the communities.   Hence, it is necessary to provide assistances for both Tlocors Communities, the fishermen, and village community tourism groups. Assistances were also considered part of the public service obligation to communities provided by the Institution.  Training on Outboard Engine Maintenance and Repair would become the scheme of the assistances. This tailor- made assistances would be targeted to both clusters. Better understanding and having a certain competency level on outboard engine maintenance and repair would have a significant value in order to empowering both communities, and become the main purpose of the assistance as well
An Experimental Study of Stagger Angle Effect on the Performance of Marine Savonius Vertical Axis Water Turbine Rohman, Abdul; Setiawan, Priyo Agus; Lukitadi, Projek Priyonggo Sumangun; Santoso, Emie; Ariwiyono, Nopem; Antariksih, Daisy Dwijati Kumala Ratna; So’im, Subagio; Antoko, Bambang; Permadi, Niki Veranda Agil
MEIN : Journal of Mechanical, Electrical & Industrial Technology Vol. 1 No. 1 (2024): MEIN : Journal of Mechanical, Electrical & Industrial Technology
Publisher : P3M Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/mein.v1i1.11

Abstract

This paper investigates the performance of Savonius vertical axis water turbine by varying its stagger angles. In this study, the shape of the turbine blade is modified based on the Myring equation as well as adding a disturbance in the form of a circular cylinder placed in front of the advancing blade as a barrier. The method used in this research is an experimental study in a water tunnel at a velocity of 0.22 m/s. The turbine has size of 0.4 m in height and 0.4 m in diameter. The experiment results show that the use of a circular cylinder in front of the advancing blade has a significant effect on increasing turbine performance. This can be proven by placing a circular cylinder with , , and where the angular speed achieved is , torque coefficient and the result of maximum power coefficient is about 0.4356.
Outboard Engine Maintenance and Repair Training for Fishermen and Kelompok Sadar Wisata (PokDarWis) in Tlocor Sidoarjo Gafur, Abdul; Haryono, Edi; Endro, R. Dimas; Alfanda, Benedcita Dian; Pramesti, Lely; Julianto, Eko; Santoso, Mardi; Kusminah, Imah Luluk; Antoko, Bambang; Ariwiyono, Nopem; Umbara, Albert Wida
Society : Jurnal Pengabdian Masyarakat Vol. 4 No. 3 (2025): Mei
Publisher : Edumedia Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55824/jpm.v4i3.565

Abstract

Outboard Engine has been known and used as motor boat among of the residents of fisherman community in Tlocors village. Motor boats powered by outboard engine are not only used for fishing, but also used as marine tourism facilities. Considering the vital functional usage of outboard engine for Tlocor’s fisherman community and village community tourism groups  (Pokdarwis), for maintaining    economic livelihood, any interrupted items that happened during motor operation periods would be very significant impact on their daily life. Loss of income resulting from engine problem is the most of many potential cases occurred on the communities.   Hence, it is necessary to provide assistances for both Tlocors Communities, the fishermen, and village community tourism groups. Assistances were also considered part of the public service obligation to communities provided by the Institution.  Training on Outboard Engine Maintenance and Repair would become the scheme of the assistances. This tailor- made assistances would be targeted to both clusters. Better understanding and having a certain competency level on outboard engine maintenance and repair would have a significant value in order to empowering both communities, and become the main purpose of the assistance as well
Co-Authors Abdul Rohman Adi Wirawan Husodo Alfanda, Benedcita Dian Alhakim, Rizaldi Taufik Antariksih, Daisy Dwijati Kumala Ratna Bambang Antoko Edi Haryono Eko Julianto Endro, R. Dimas Heroe Poernomo Kusminah, Imah Luluk Lukitadi, Projek Priyonggo Sumangun Mardi Santoso Permadi, Niki Veranda Agil Pramesti, Lely RR. Ella Evrita Hestiandari Santoso, Emie Soim, Subagio So’im, Subagio Umbara, Albert Wida