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All Journal International Journal of Renewable Energy Development Jurnal Teknologi Terapan Jurnal Techno Bahari Society: Jurnal Pengabdian Masyarakat Mein: Journal of Mechanical, Electrical & Industrial Technology
Bambang Antoko
Politeknik Perkapalan Negeri Surabaya, Jurusan Teknik Permesinan Kapal Institut Teknologi Sepuluh Nopember Surabaya
Chemical Engineering, Chemistry & Bioengineering Chemistry 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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Journal : Jurnal Techno Bahari

 1 
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.
Co-Authors Abd. Gafur Abdul Rohman Adi Wirawan Husodo Alfanda, Benedcita Dian Alhakim, Rizaldi Taufik Antariksih, Daisy Dwijati Kumala Ratna Ariwiyono, Nopem Dany Iman Santoso Djatmiko Ichsani Edi Haryono Eko Julianto Endro, R. Dimas Heroe Poernomo Kusminah, Imah Luluk Lukitadi, Projek Priyonggo Sumangun Mahardhika, Pekik Mardi Santoso Novita, Vitalia Dian Permadi, Niki Veranda Agil Pramesti, Lely RR. Ella Evrita Hestiandari Santoso, Emie Soim, Subagio So’im, Subagio Umbara, Albert Wida