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Keywords: nozzle
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Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-011
... and pulling pile, which greatly affects the working time. Based on this, this paper proposes an integrated technology of rapid pile flushing based on four key technologies, including new pile flushing nozzle blockage prevention, reasonable layout of nozzle, auxiliary pile flushing system and high-low pressure...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-552
... ABSTRACT This paper focuses on the total thrust direction misalignment and lateral force caused by the rotational flow at the impeller outlet of the azimuth waterjet propulsion system. Momentum distribution within the three nozzles is found to be the direct reason. Results show that affected...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-291
... nozzle sea spray deicing seawater lifeboat ice accumulation experimental investigation lifeboat topside sprinkler system Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International Society...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-311
... upstream oil & gas thermal buoyancy jet thermal jet froude number horizontal thermal buoyancy jet buoyant jet trajectory characteristic china government temperature distribution water body stratification intensity asia government calculation domain nozzle boundary condition...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-478
... & gas shock wave rocket baffle gas jet monitoring point recovery process impact load total pressure flow field mesh boundary condition reservoir simulation gas flow field calculation numerical simulation nozzle diamond shock wave rocket recovery equation Proceedings of the Thirty...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-487
... the conditions of different nozzle diameter, different nozzle moving speed and different jet angle was studied. During the test, the high-pressure jet system is moved by high-precision positioning and mobile crane system. The nozzle adopts cylindrical nozzle and ceramic core to prevent nozzle wear during high...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1269
... ice sheet andryushin propeller cap ship ice load coefficient penetration thickness ice force icebreaker nozzle Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference www.isope.org Rhodes, Greece, June 20 25, 2021 Copyright © 2021 by the International...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1184
... to dredge engineering. jet angle application different angle jet direction nozzle angle characteristic texture texture curve water jet submerged water jet angle cutting experiment target distance nozzle university upstream oil & gas incident angle cross-section texture high...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3119
.... The straight cone nozzle, as a key part of ultra-high pressure water equipment which commonly used to clean the outer hull of ship vessels, is regarded as the main research object in this paper. The numerically simulates taking the internal and external flow fields of the nozzle into account was carried out...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-587
... lubrication image real-time air lubrication pattern real-time air lubrication image injection flow rate air lubrication pattern nozzle resistance reduction enhanced recovery energy conservation gas injection method trim angle water flow rate flow rate experiment Air Lubrication Sweep Angle...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-595
... dredger. Because the draghead fixed high pressure nozzle will increase the initial cutting depth. When the draghead move forward, the high pressure flush with teeth cut hard soil more quickly and effectively, thus improving the cutting efficiency of hard soil. INTRODUCTION High pressure water jet...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-126
.... The experimental results demonstrated the mixing between dual jets in wavy cross-flow to be the strongest under the same configuration. Furthermore, nozzle spacing was found to have a significant effect on the mixing patterns of dual jets in wavy cross-flow, displaying its vital role in initial dilution process...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-407
... is realized by setting an air nozzle on the ship bottom plate in front of the propeller to produce an air curtain on the surface of ship to reduce the influence of fluctuating pressure working on the ship bottom. The influence on fluctuating pressure of different jet flow is studied by simulation. The result...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-388
... ABSTRACT In this paper, the authors investigated the patented design of a Combined Supersonic Separator (CSS). CSS is a counter flow three-flow vortex tube with an energy separation chamber in the form of a Laval nozzle that can be used to prepare hydrocarbon gas for transport as well as using...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-455
... ABSTRACT The nozzle spacing is a quite important factor in the design of wastewater discharge projects, which will form multiple jets. In this study, a threedimensional large eddy simulation (LES) model has been developed to investigate the effect of nozzle spacing on the characteristic...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-522
... efficiency, unlike other turbines, is not yet well optimized. rotor curvature numerical analysis valve shaft arc curvature diameter numerical simulation turbine efficiency design parameter artificial intelligence equation geometric parameter cross-flow turbine nozzle upstream oil...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-205
... dioxide and helium. The two-phase transport, as well as the risk of hydrate blockage can happen without prior removal of a number of components from the APG in the pipeline transportation. operating pressure differential nozzle liquified natural gas cold flow ratio application experiment...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-052
... Abstract Based on the characteristic of Kuroshio passing through Green Island, Taiwan, a new type of floating platform has been designed to capture the maximal power of the marine current. The inclusion of nozzle and diffuser in a shrouded duct is frequently used to accelerate, decelerate...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-509
... seawater particle relative wind velocity seawater spray ice accumulation nozzle correlation analysis particle size distribution icebreaker shirase spray size distribution bow deck spc field observation ve115-31 nozzle size distribution wind velocity ve115-59 nozzle Development of sea...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-624
... TECHNIQUES OF HYDRAULIC SHEETING PILE DIKE The conventional jetting technique uses a straight jetting pipe with a single nozzle at its tip to disturb and weaken the ground and to lead the pile into the weakened ground by gravity (Fig. 1). The water jet spreads into the soil in the form of a cone (Fig. 2...

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