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参照元[[1]]
| ノーチラス | |
|---|---|
 | |
| 基本情報 | |
| 船種 | 調査船 |
| 船籍 | セントビンセント及びグレナディーン諸島 |
| 所有者 | Ocean Exploration Trust |
| 建造所 | ペーネ・ヴェルフト（ヴォルガスト） |
| 母港 | サン・ペドロ |
| 信号符字 | J83606 |
| IMO番号 | 6711883 |
| MMSI番号 | 376404000 |
| 改名 |
|
| 経歴 | |
| 起工 | 1967年 |
| 進水 | 1967年2月27日[1] |
| 要目 | |
| 総トン数 | 1,249 t |
| 全長 | 68 m(223 ft) |
| 幅 | 10.5 m(34.5 ft) |
| 喫水 | 4.9 m |
| 出力 | 1,974 hp |
| 最大速力 | 12 ノット |
| 航海速力 | 10 ノット |
| 航続距離 | 13,000海里（10ノット時） |
| 航海日数 | 40 日 |
| 乗組員 | 17名、研究者33名 |
ノーチラス（英語: EV Nautilus）はタイタニックやドイツの戦艦ビスマルクを発見したことで知られるロバート・バラード率いるOcean Exploration Trustが所有する調査船である。
来歴
[編集]The ship was originally the FS A. v. Humboldt, and was in service for the Leibniz Institute for Baltic Sea Research Warnemünde (IOW) until 2004. [2] [3] [4]
The vessel underwent a partial refit in 2021; which saw the vessel lengthened to 68 meters, the addition of a crane, additional cabins, and a mission control center. [5]
遠隔操作無人潜水機
[編集]ヘラクレス
[編集]
Hercules is the primary vehicle of a two-body remotely operated underwater vehicle (ROV) system. Hercules is rated to a depth of 4,000 meters (13,000 ft), and is always deployed with Argus. It is equipped with cameras, lights, instruments, manipulators, and a wide array of sampling tools. The primary camera is a high definition system augmented by six standard-definition cameras. Four lights (over 60,000 lumens total) illuminate the forward working area, while smaller incandescent lights provide auxiliary illumination. Standard instrumentation includes a fast profiling conductivity-temperature-depth (CTD) sensor, an oxygen probe, two high-resolution scanning sonars, a 1.2 MHz multibeam sonar and a high resolution stereo still camera system. The primary manipulator is an arm with force feedback, complemented by a seven-function manipulator for sample collection. Hercules is also equipped with a number of tools, including a suction sampler, sampling boxes with actuating trays, and sediment coring equipment, as well as several other purpose-built tools for different scientific objectives. Using a navigation system in tandem with ultra-short baseline positioning, Hercules is capable of maneuvering and hovering on a centimeter-scale grid. [6] [7]
リトル・ヘラクレス
[編集]The ROV Little Hercules is a smaller sister to Hercules, designed to function similarly, with Argus or Atalanta but with a focus on gathering high-quality video imagery. Little Hercules is equipped with a high-definition or 4k video camera, LED lights, and basic sensors for navigation and situational awareness.
Little Hercules was originally built in 2000, and was extensively refurbished and upgraded to 6000 meter capability in 2019.
アルゴス
[編集]Argus is a deep-tow system capable of diving as deep as 6,000 meters (20,000 ft). Argus is typically used in tandem with Hercules, where it hovers several meters above the seafloor and provides a view of Hercules on the seafloor, but can also be used as a standalone tow sled. The frame carries a broadcast quality high definition camera, standard definition cameras, and two 1,200 Watt arc lamps capable of producing over 100,000 lumens of light each. Argus also supports a wide range of instrumentation, including a depth sensor, altimeter, CTD, sub-bottom profiler, scanning sonar, and side-scan sonar. Argus uses dual 2-馬力 (1.5 kW) electric thrusters for heading adjustment and limited lateral movement.[6][7]
アタランタ
[編集]Atalanta was first launched in 2019 and is a smaller version of Argus used in tandem with ROVs Little Hercules or Hercules, where it hovers several meters above in order to provide a bird’s-eye view of the ROV working on the seafloor. Atalanta is also capable of operating as a stand-alone system for wider-scale deepwater survey missions or as a sled for towed sensors like sidescan sonars.
音響機器
[編集]KONGSBERG EM 302 MULTIBEAM ECHOSOUNDER The EM 302 is a hull-mounted 30-kilohertz multibeam echosounder composed of two long transducer arrays mounted in a T-shape on the hull of E/V Nautilus. The EM 302 can map the seafloor in water depths from 10 to 7,000 meters (33 to 22,965 feet) at ship speeds up to 12 knots.
KNUDSEN 3260 SUB-BOTTOM PROFILER AND ECHOSOUNDER The Knudsen 3260 is a sub-bottom echosounder mounted inside the hull of E/V Nautilus. It operates at low frequencies (3.5 and 15 kilohertz) so that emitted sound can penetrate layers of sediment to about 100 meters below the surface.
KONGSBERG SIMRAD EC150-3C TRANSDUCER The Kongsberg Simrad EC150-3C 150 kilohertz is a hullmounted transducer that combines an acoustic Doppler current profiler (ADCP) and an EK80 split-beam fisheries sonar into one instrument. The ADCP measures the speed and direction of currents underneath the ship, whereas the split-beam echosounder maps features found within the water column.
ULTRA-SHORT BASELINE NAVIGATION SYSTEMS SYSTEM. Sonardyne Ranger 2 with Lodestar GyroUSBL transceiver deployed from the moonpool for USBL tracking DEPTH RANGE. Up to 7,000 meters (22,966 feet) POSITIONING ACCURACY. 0.5% of slant range OPERATIONAL COVERAGE. ±90° OPERATING FREQUENCY. 19–34 kilohertz TARGETS TRACKED. Hercules, Argus, and two additional transponders are available. More targets can be tracked with the addition of compatible Sonardyne transponders [8]
テレプレゼンス技術
[編集]The EV Nautilus satellite system uses a very-small aperture terminal (VSAT) to enable two-way Internet connectivity between ship and shore. The maximum uplink capability is up to 46 Mbit/s, depending on the ship’s location and the satellite being used. The signal is sent from Nautilus to a geosynchronous satellite, and then down to a ground station in Andover, Maine. The ground station passes the signals to the Inner Space Center (ISC) at the University of Rhode Island Graduate School of Oceanography. From the ISC, the multicast video streams are distributed to the Internet and used in highlight reels and webcasts. During expeditions, Nautilus can send broadcast-quality video streams, associated intercom traffic and data back to shore in real time. <--[6][7]-->
All audio components of the telepresence network use a centralized intercom system for managing shipboard and ship-to-shore communications. This network provides communication between users working in the control van, the ship's officers on the bridge, and the various labs around the ship, as well as participants on shore. The intercom system is integrated with the Nautilus video streaming and video recording subsystems, which allow the intercom audio to be heard in the live video streams on shore and in the recorded video clips. [6] [7]
Live production studio
[編集]A studio was built on board Nautilus to support live interactions and outreach production. Educators and scientists conduct interactive interviews with partners located at schools, museums, aquariums, and science centers around the world. Shore-based groups are able to communicate with the ship either with an intercom unit or via a telephone number that is bridged into the shipboard intercom system. [6][7]
関連項目
[編集]脚注
[編集]- ^ “Abschied von der Humboldt”. Leibniz-Institut für Ostseeforschung Warnemünde. 20 Apr 2012閲覧。
- ^ “Research Vessels – IOW”. io-warnemuende.de. 19 Oct 2023閲覧。
- ^ “Fig. 2: Research vessel (r/v) 'Alexander von Humboldt' was owned by the...”. researchgate.net. 2007年8月23日時点のオリジナルよりアーカイブ。19 Oct 2023閲覧。
- ^ “GulfBase – E/V Nautilus, 211-ft ship”. gulfbase.org. 19 Oct 2023閲覧。
- ^ (英語) 2022 E/V Nautilus Ship Tour (With Updates!) | Nautilus Live 2022年2月19日閲覧。
- ^ a b c d e The Oceanography Society (Mar 2012). “Oceanography, Volume 25, Number 1, Supplement”. tos.org. 20 Apr 2012閲覧。
- ^ a b c d e The Oceanography Society (Mar 2010). “Oceanography, Volume 24, Number 1, Supplement”. tos.org. 2013年10月29日時点のオリジナルよりアーカイブ。21 Apr 2012閲覧。
- ^ The Oceanography Society (Mar 2023). “New Frontier Ocean Exploration,The Ocean Exploration Trust 2022 Field Season”. tos.org. 20 Apr 2012閲覧。
外部リンク
[編集]
{DEFAULTSORT:のうちらす}}
[Category:調査船]]
[Category:1967年進水船]]
[Category:Ships built in Wolgast]]