Tri Utomo, Setyo and Sumantri, Agus (2020) Rancang Bangun Alat Uji Stabilitas Hull Kapal dengan Aplikasi Gyro Stabilizer. Undergraduate thesis, Universitas 17Agustus 1945 Surabaya.
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Abstract
Rolling motion on boats gives the inconveience and safety effects to passengers, crew, and equipment inside of the boat. Reduction of rolling motion on the boat, can minimize them, also increase the operating performance of the boat. The stabilizer on the boat can be defined as a equipment to reduce rolling motion on wavy sea condition. Performance of external stabilizer considered to be poor at low speed, when compared with internal stabilizer. Beside it, potential hazard of addition of external stabilizer also higher caused by added dimension of overall boat geometry, and need to be dry docked for maintenance. Internal stabiilizer such as gyro stabilizer, not affecting boat dimension addition, caused by its built in installation, and no need for dry docking for maintenance. Objective of this research is to design the application of gyro stabilizer on a boat hull model, and analyze it through experimental test. Experiments performed to indentify the effect of gyro stabilizer application on a boat, by providing flywheel rotation speed variation of gyro stabilizer mechanism at 0 RPM, 5000 RPM, 10000 RPM, and 15000 RPM, on rolling motion deviation of the boat. Rolling graph read and recorded by rotational sensor of Android operating system based device. Result on the reading of roll time trace graphic, found rolling period increase in length along with addition of flywheel rotational speed. The longest period is Tϕ = 1.4858 seconds at 15000 RPM. Meanwhile, with Froude’s and Bertin’s Method, obtained the highest increases value of roll damping coefficient 62% at 10000 RPM of flywheel speed from 0 RPM flywheel condition (Gyro in ‘off’ condition).
Item Type: | Thesis (Undergraduate) |
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Uncontrolled Keywords: | Gyro stabilizer, flywheel speed, rolling motion, period, roll damping, decay roll test |
Subjects: | T Technology > TJ Mechanical engineering and machinery V Naval Science > V Naval Science (General) |
Divisions: | Fakultas Teknik > Program Studi Teknik Mesin |
Depositing User: | Setyo Tri Utomo |
Date Deposited: | 27 Apr 2022 02:33 |
Last Modified: | 02 Apr 2024 04:13 |
URI: | http://repository.untag-sby.ac.id/id/eprint/15701 |
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