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A note on design and operation of waterjet nodule lifter of manganese nodule collector
- Issue Date
- 9월-2001
- Publisher
- INT SOC OFFSHORE POLAR ENGINEERS
- Keywords
- hydraulic lifter; waterjet; baffle plates; bottom pressure distribution; manganese nodules; nondimensional parameters
- Citation
- INTERNATIONAL JOURNAL OF OFFSHORE AND POLAR ENGINEERING, v.11, no.3, pp 237 - 239
- Pages
- 3
- Journal Title
- INTERNATIONAL JOURNAL OF OFFSHORE AND POLAR ENGINEERING
- Volume
- 11
- Number
- 3
- Start Page
- 237
- End Page
- 239
- ISSN
- 1053-5381
- Abstract
- An experimental study on the hydraulic performance of a hybrid pickup device for manganese nodules was conducted in a 2D flume. Based on a series of experiments, the pickup efficiency of the hydraulic lifter has been analyzed, and an operational condition assuring high pickup efficiency has been identified. Fluctuating bottom pressures due to waterjet were measured with varying conditions, and the characteristics of bottom pressure distribution were studied in correlation with the pickup efficiency. The experiment's results provide some guidelines for design and optimal operational condition of the hydraulic lifter of a hybrid pickup device.
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