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Underwater Vehicle Tethering

詳細技術說明
Technology: This tethering system for underwater vehicles uses a low strength optical fiber tether capable of securing vehicles to greater depths and for extended periods of time. The tether system includes a mechanical fuse that prevents a high load from acting on and severing the tether that is attached to the underwater vehicle, thus allowing use of far smaller, lightweight cables than typically used. Upon separation of the fuse, a cable payout system pays out an optical fiber that keeps the underwater vehicle, typically a robotic craft, in communication with the surface vessel. The relatively light weight glass fiber may be reinforced and extended to lengths greater than 40 km allowing deep-sea exploration at depths up to 11,000m.
*Abstract
Overview: Existing robotic deep submergence vehicle systems have excellent capabilities and provide critical, routine access to the seafloor primarily in ranges up to 6,500 m. These systems utilize tether systems (attached to surface vehicles such as ships) that generally prevent full operation of devices at depths of past 7,000 m or so. This steel cable tether is limited by the weight of the cable that increases substantially with increasing length of cable. At one point the weight of the cable begins to exert a force on the support ship that is well past the allowable limits. As these tethers are often made of Kevlar, they are very expensive and have limited lifetimes.
國家/地區
美國

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