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4,000 meter hyperbaric fish trap aquaria respirometer

机译:4,000米高压鱼陷阱Aquaria呼吸仪

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A major obstacle to the investigation of deep-sea biology is the lack of instrumentation to retrieve deep-sea organisms from their habitat alive and under extreme pressure. The Monterey Bay Aquarium Research Institute (MBARI) has undertaken the technically ambitious goal of building an instrumented high-pressure fish trap aquaria respiration system. The objectives of this project are to capture at depth deep-water fishes, return them to the surface alive at in situ pressure, and maintain them at pressure for up to 60 days. During this 60-day period the specimen can be studied in an environment with regulated pressure, temperature, and seawater chemistry. The key element of this project is an internal pressure vessel capable of containing 6,000 psi (42 MPa) within acceptable safety margins. This high pressure cylinder, 14 inches (35.6 cm) in diameter and 48 inches (122 cm) long, must reliably capture the specimen, close an internal door, seal at depth, and maintain pressure during ascent. This presentation will deal specifically with the design, construction, testing, initial deployments, and success of this system. Design elements include the pressure cylinder, end caps, pressure compensation, instrumentation, flotation package, capture and internal door mechanisms. This system functions autonomously at depths to 4,000 meters and can be deployed on various vessels of opportunity.
机译:对深海生物学调查的主要障碍是缺乏仪器从栖息地和极端压力中检索深海生物。蒙特雷湾水族馆研究所(Mbari)在技术雄心勃勃的目标方面进行了建造仪表的高压鱼陷阱水族馆呼吸系统。该项目的目的是在深水中捕获深水鱼类,将它们返回到原位压力的表面,并将其保持在长达60天。在此60天期间,可以在具有调节压力,温度和海水化学的环境中研究样本。该项目的关键要素是一种内部压力容器,能够在可接受的安全边缘内含有6,000psi(42MPa)。该高压缸,直径为14英寸(35.6厘米),长48英寸(122厘米),必须可靠地捕捉样品,关闭内部门,深度密封,并在上升期间保持压力。此演示文稿将具体涉及该系统的设计,构建,测试,初始部署和成功。设计元件包括压力缸,端盖,压力补偿,仪表,浮选封装,捕获和内门机构。该系统在深度至4,000米处自主职能,可以部署各种机会船只。

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