cover
Contact Name
Anita Susilawati
Contact Email
anitasusilawati@lecturer.unri.ac.id
Phone
-
Journal Mail Official
jomase@isomase.org
Editorial Address
Teknik Mesin, Fakultas Teknik, Universitas Riau Kampus Bina Widya, Jl. HR. Soebrantas Km. 12,5 Panam, Pekanbaru 28293, Riau, INDONESIA
Location
Kota pekanbaru,
Riau
INDONESIA
Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Published by Universitas Riau
ISSN : 23547065     EISSN : 25276085     DOI : http://dx.doi.org/10.36842/jomase
The mission of the JOMAse is to foster free and extremely rapid scientific communication across the world wide community. The JOMAse is an original and peer review article that advance the understanding of both science and engineering and its application to the solution of challenges and complex problems in naval architecture, offshore and subsea, machines and control system, aeronautics, satellite and aerospace. The JOMAse is particularly concerned with the demonstration of applied science and innovative engineering solutions to solve specific industrial problems. Articles preferably should focus on the following aspects: new methods or theory or philosophy innovative practices, critical survey or analysis of a subject or topic, new or latest research findings and critical review or evaluation of new discoveries. Scope The JOMAse welcomes manuscript submissions from academicians, scholars, and practitioners for possible publication from all over the world that meets the general criteria of significance and educational excellence. The scope of the journal is as follows: Naval Architecture and Offshore Engineering Computational fluid dynamic and Experimental Mechanics Hydrodynamic and Aerodynamics Noise and Vibration Aeronautics and Satellite Engineering Materials and Corrosion Fluids Mechanics Engineering Stress and Structural Modeling Manufacturing and Industrial Engineering Robotics and Control Heat Transfer and Thermal Power Plant Engineering Risk and Reliability Case studies and Critical reviews
Articles 2 Documents
Search results for , issue "Vol 49 No 1 (2017): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)" : 2 Documents clear
Numerical Analysis of Resistance Acting on Sea-Going Pusher and Barge System Masaaki Sano; Yusuke Kawano; Takuto Yamamoto; Hironori Yasukawa
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 49 No 1 (2017): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1038.082 KB) | DOI: 10.36842/jomase.v49i1.166

Abstract

Because a pusher and barge system (P/B) can be divided into a pusher and a barge(s), the pusher does not need to wait for the completion of loading/unloading, and it can start the next voyage soon after arriving. Therefore, a good transportation efficiency can be expected. In these days, a P/B is also available to a sea-going service by developing a mechanical connection which enabled a P/B to achieve the seaworthy performance in waves. However, there is a concern that the navigation speed is usually less than same-size cargo ships. It may be due to significant vortices generated in the gap at the connection, but the mechanism is still unclear. From this viewpoint, in this study, CFD analysis was carried out to investigate the resistance performance associating with the flow and pressure fields around the pusher and barge, especially with focus on the gap between them. We discussed the unique change of the resistance characteristic depending on the barge load conditions.
CFD Analysis of Unsteady Yaw Motion of A Towed Ship A. Fitriadhy; N. Aqilah Mansor; N. Adlina Aldin
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 49 No 1 (2017): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1219.849 KB) | DOI: 10.36842/jomase.v49i1.167

Abstract

Instability of a towed ship presented in the form of her unstable yaw motion may lead to serious accident especially at the restricted waterways such as colliding with other ships or onshore structures. To stabilize this unsteady yaw motion, a comprehensive investigation is then required to ensure a safety of ship's towing navigation. This paper presents a computational fluid dynamic (CFD) approach to analyse yaw motion characteristics of a towed ship incorporated with an asymmetrical bridle towline model. Several towing parameters such as towing’s angles and speeds have taken into account. Here, a towed ship or barge in then called as 1B is employed in this simulation. The results revealed that the subsequent increase of towing's angle dealt with a better yaw motion of 1B indicated by sufficient reduction of her sway motion associated with more steady yaw motion of a towed ship.

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