Protecting the Turkish Straits from Maritime Terrorism: a Scheme to Impede Propeller Efficiency
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Authors
Koptu, Tolga
Subjects
Maritime Terrorism
Turkish Straits
Loss of Propeller Efficiency
LNG
LPG and other Dangerous Cargo Explosions
Piracy
Stopping a Terrorist Ship
Wrapping Ropes and Nets around the Propeller and its Hub
the most Probable Maritime Terrorism Scenario
Underwater System Design
Turkish Straits
Loss of Propeller Efficiency
LNG
LPG and other Dangerous Cargo Explosions
Piracy
Stopping a Terrorist Ship
Wrapping Ropes and Nets around the Propeller and its Hub
the most Probable Maritime Terrorism Scenario
Underwater System Design
Advisors
Papoulias, Fotis
Date of Issue
2012-06
Date
12-Jun
Publisher
Monterey, California. Naval Postgraduate School
Language
Abstract
The protection of the Turkish Straits against maritime terrorism is an important security problem that must be solved because the straits are highly vulnerable to terrorist attacks. The main purpose of this research is to increase the security of the Turkish Straits against maritime terrorism by designing an underwater system that can stop a terrorist ship by impeding its propeller efficiency. The underwater system wraps ropes and nets around the propeller and its hub, decreasing the propeller efficiency. First, the most probable scenario from the point of view of a terrorist organization is determined. Second, all the existing and some non-existent methods to prevent this scenario are analyzed. Finally, an underwater system is designed to impede the propeller efficiency of a ship by wrapping ropes and nets around the propeller and its hub in order to stop the ship before entering the strait. Experimental results of previous researchers and computational methods are used to demonstrate the loss of propeller efficiency after wrapping.
Type
Thesis
Description
Series/Report No
Department
Mechanical Engineering