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Keywords: seawater
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Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-291
... and compromise its stability. Existing deicing measures, such as heat or chemical application and manual ice removal, prove impractical in many cases. Seawater, being abundant and easily accessible during marine operations, has a good potential as a deicing agent, as shown by wave-washing. The present study...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-206
..., its shape, its charge mass, the pipeline's properties, its configuration, its coatings, the seawater characteristics, the water depth, the loads acting on the pipeline, and the seabed properties and morphology. offshore pipeline underwater explosion integrity kg tnt equivalent united states...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-026
... upstream oil & gas methane hydrate freezing salinity asia government pipe flexible hose inner tube methane gas gas hydrate japan government flow assurance experiment riser pipe experimental apparatus hydrate seawater evaluation model dynamic condition yamamoto hydrate...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-007
... that the temperature gradient is almost constant and only seasonal variations occur, there are good prospects for the development and utilization of ocean thermal energy. sustainability social responsibility platform seawater deepwater drilling united states government china government climate change...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-190
... ABSTRACT We use monitoring data of petroleum hydrocarbons (PHs) after ten years as indicators to assess the long-term environmental impact of the Dalian "7.16" Oil Spill on seawater and sediments. Compared with the values measured ten years ago, the monitoring PHs concentrations in water...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1151
... calculation instant of three-dimensional one. effectively closed to prevent the inflow of seawater. In Fig. 1, it can be seen that the rotary ring is made of hard alloy, and The assembly structure diagram of the mechanical seal device is shown inlaid on the rotary ring base. The base is directly fixed...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1231
... field and flow field was coupled. The sea ice crystal growth under natural convection and external forced convection is studied. The results show that the flow of seawater changes the concentration of seawater around the sea ice, and different concentrations of seawater cause different crystallization...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1249
... salinity is mixed with surface seawater, thus reducing the salinity. However, due to the differences in seawater quality and dynamic conditions in different frozen sea areas, the influences of seawater freezing-melting process on the salinity of surface water varies greatly. In this paper, in the Bohai Sea...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-559
... stores the oil over seawater. During production, the crude oil displaces the seawater, whereas during offloading, the storage compartments are refilled with seawater. In this paper, we developed a new type of wet storage system, which can provide a storage capacity of 100,000∼1,000,000 barrels of oil...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-265
... and JMS-2) were reacted with phosphate buffer solutions or pH-controlled artificial seawater (ASW) using a CO 2 -induced pH regulation system. Our experiments demonstrated that deep-sea sediments have weak buffer capacities by acid-base dissociation of surface hydroxyl groups on metal oxides/oxyhydroxides...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-358
... depends for RO on the pressure applied to the water, the salinity of the 4 httpswashdata.org/data/householdheatmap [Accessed:2019-01- 25] inlet water and the performance of the RO membrane. The cost of desalinated water for a medium or large seawater reverse osmosis (SWRO) desalination plant was in 2016...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-196
... Effect of Separation Channel Structure on the Separation Performance of an Oil-Seawater Mixed Flow Electromagnetic Separation Device X. Q. Chen1,2;L.Z. Zhao1,2; C. W. Sha1; and A.W. Peng1,2 1. Laboratory of Renewable Energy Generation Technology, Institute of Electrical Engineering, Chinese...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-584
... 30 flowlines have been installed with the DEH technology. In a DEH-system, the flowline steel conducts electrical alternating current (AC) to generate heat in the flowline. For safety and reliability reasons, the heating system is electrically connected ("earthed") to surrounding seawater through...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-149
... seawater simulation diameter magnetic field experiment takeda electromagnetic force upstream oil & gas outlet section characteristic separation and treating oil droplet effective section oil-seawater mixed flow separation effect inlet velocity separation rate separation...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-722
...) Center for Submarine Resources, JAMSTEC Yokosuka, Kanagawa, Japan Akira Usui Department of Geology, Kochi University Kochi, Kochi, Japan Katsuhiko Suzuki Research and Development (R&D) Center for Submarine Resources, JAMSTEC Yokosuka, Kanagawa, Japan ABSTRACT: Vertical profiles of seawater neodymium (Nd...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-150
... system is composed of the Underwater Re-charging Station (URS) installed on the seabed and supplying power and the receiving unit mounted on the AUV. (Ishibashi, Yoshida, Tanaka, Sugesawa, Fan and Ohta, 2016) Since the charging operation is an action in seawater, direct connection by a connector cannot...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-313
... is applied to a floating platform, the sloshing of oil-water interface in the storage tank may exacerbate above-mentioned potential problems. Extensive tests, using crude oil and seawater, were performed in a 1:40 scale model of the wet storage system developed by Wang and Luo (2016). The objective...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-071
... and the temperature drop law in seawater of different temperature were obtained (Hu, 2015; Zhou, 2015). 1579 Proceedings of the Twenty-eighth (2018) International Ocean and Polar Engineering Conference Sapporo, Japan, June 10-15, 2018 Copyright © 2018 by the International Society of Offshore and Polar Engineers...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-053
... Study of Underwater Vehicle's Wake in Seawater of Linearly Gradient Temperature and Density Wei Gu, Jin-Lan Zhang, Qing-Jie Meng, Liang Peng, Zhi-Ben Shen, Hai-Hua Deng Wuhan Second Ship Design and Research Institute Wuhan, Hubei, China ABSTRACT The thermal characteristics of the underwater...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-013
... water discharged into the sea. displacement method tank water storage tank upstream oil & gas crude oil process flow diagram storage subsea system oil-water displacement method oil storage tank fpso oil storage underwater oil storage seawater system design platform storage...

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