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Keywords: efficiency
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Proceedings Papers
Paper presented at the SNAME 29th Offshore Symposium, February 20, 2024
Paper Number: SNAME-TOS-2024-006
... vessels operating in wind farms, from construction to operation and maintenance. Modern integrated power, control and propulsion technology will enable safety, efficiency, and flexibility for the newly built ice class offshore wind vessels. This paper will discuss modern propulsion technology available...
Proceedings Papers
Paper presented at the SNAME 29th Offshore Symposium, February 20, 2024
Paper Number: SNAME-TOS-2024-012
.... In this study, a coupling model that combines the Reynolds-Averaged Navier-Stokes (RANS) method with a lifting line method with a fully aligned wake is presented and applied to the design of horizontal axis marine turbines, aiming to optimize power output efficiency in uniform flow by using various duct...
Proceedings Papers
Paper presented at the SNAME 28th Offshore Symposium, March 8, 2023
Paper Number: SNAME-TOS-2023-014
...INSIGHT INTO PARAMETERS INFLUENCING WASH DISPLACEMENT EFFICIENCY THROUGH CFD MODELING AMAL C. PHADKE, LARS HOVDA CONOCOPHILLIPS COMPANY PRAVEEN GONUGUNTLA TRIDIAGONAL SOLUTIONS, INC Proceedings of the 28th Offshore Symposium, March 8th, 2023, Houston, Texas Texas Section of the Society of Naval...
Proceedings Papers
Paper presented at the SNAME 28th Offshore Symposium, March 8, 2023
Paper Number: SNAME-TOS-2023-011
... system has been developed to meet the market demand for a power range of up to 20MW. Scaling the range up offers considerable advantages for larger vessels. To mention a few the increased propeller size results in better hydrodynamic efficiency. Opportunities for increasing both the maximum bollard pull...
Proceedings Papers
Paper presented at the SNAME 27th Offshore Symposium, February 22, 2022
Paper Number: SNAME-TOS-2022-010
... module to handle the heave motion of the buoy. In addition, the PTO system was compensated with a forced oscillator mechanism of spring and damper. A comparison between the buoy’s displacement and frequency responses, and power efficiency showed the optimal operating sea state to maximize energy output...
Proceedings Papers
Paper presented at the SNAME 26th Offshore Symposium, April 6–7, 2021
Paper Number: SNAME-TOS-2021-10
... combination of wind and solar power. Beyond this, the system has the potential to scale up to provide strategic levels of grid storage for longer averaging periods. This paper will present the technical design of an efficient and viable offshore compressed air energy system. electrical industrial...
Proceedings Papers
Paper presented at the SNAME 25th Offshore Symposium, February 27, 2020
Paper Number: SNAME-TOS-2020-001
... engines to the modern electric podded drive systems lng liquified natural gas ice pressure propulsor marine transportation gas monetization texas texas section ice condition th offshore symposium freight & logistics services efficiency azimuth thrust assistance houston proceedings...
Proceedings Papers
Paper presented at the SNAME 25th Offshore Symposium, February 27, 2020
Paper Number: SNAME-TOS-2020-026
... architect houston efficiency texas texas section equation application mesh requirement geometry proceedings artificial intelligence offshore structure upstream oil & gas th 2020 offshore symposium APPLICATION OF AMR MESHING FOR EXPLOSION ANALYSIS ON OFFSHORE STRUCTURES J. KEITH CLUTTER...
Proceedings Papers
Paper presented at the SNAME 24th Offshore Symposium, February 20, 2019
Paper Number: SNAME-TOS-2019-021
... The marine and offshore industries face uncertainty in oil prices as well as concerns over climate change and energy transition. These are challenges but also opportunities as the industry moves from a culture seeking evolutionary concepts to a culture seeking efficiency through innovation...
Proceedings Papers
Paper presented at the SNAME 22nd Offshore Symposium, February 2, 2017
Paper Number: SNAME-TOS-2017-016
... in the propeller case and the tip speed ratio (based on the inflow velocity far upstream) are kept constant. The procedure is tested for different cambers and thicknesses of the duct shape. The efficiency, inflow velocity and thrust on the blade and duct are obtained and analyzed. The influence of different...
Proceedings Papers
Paper presented at the SNAME 22nd Offshore Symposium, February 2, 2017
Paper Number: SNAME-TOS-2017-029
... In particularly hostile and challenging deep water environments offshore, it is crucial to ensure asset management is effective, efficient and safe. Knowing the condition of assets is a pre-requisite for successful structural integrity assessments and to support risk based inspection strategies...
Proceedings Papers
Paper presented at the SNAME 18th Offshore Symposium, February 7, 2013
Paper Number: SNAME-TOS-2013-005
... with the new model are compared with previous optimum efficiencies, and the effects of viscous drag are included through a drag-to-lift ratio. A design procedure is finally proposed by means of a vortex-lattice method. circulation distribution turbine renewable energy wake alignment texas texas...
Proceedings Papers
Paper presented at the SNAME 17th Offshore Symposium, February 2, 2012
Paper Number: SNAME-TOS-2012-006
... was performed by the correlated analysis tools and established analysis procedures. The design efficiencies including payload, steel weight and production efficiencies of PC Semis for BPS and central GoM are addressed and discussed. Highly efficient PC Semi for BPS has been developed, validated and became...
Proceedings Papers
Paper presented at the SNAME 17th Offshore Symposium, February 2, 2012
Paper Number: SNAME-TOS-2012-011
... the effects of viscous drag through a drag-to-lift ratio. The model is then extended to include higher order terms in the case of inviscid flow. The maximum efficiencies for both models are presented as a function of the turbine's tip speed ratio and the number of blades. houston equation control...
Proceedings Papers
Paper presented at the SNAME 16th Offshore Symposium, February 9, 2010
Paper Number: SNAME-TOS-2010-007
... (recuperation) most efficiently. For a specific and recent offshore renewable wind energy project, a comparison is made between different high modulus fiber materials, to which material is the most economically suitable. The application requires a high dynamic stiffness and low creep elongation, besides 25...
Proceedings Papers
Paper presented at the SNAME 14th Offshore Symposium, November 10, 2004
Paper Number: SNAME-TOS-2004-14-015
... engines in all other segments of the shipping industry. Steam turbine installations are however not very efficient. This has a negative impact on both the ship's operating economy and its exhaust gas emissions. Exactly these issues play an increasingly important role in LNG shipping today. Initially...
Proceedings Papers
Paper presented at the SNAME 14th Offshore Symposium, November 10, 2004
Paper Number: SNAME-TOS-2004-14-016
... by steam turbines, for example by steam generated by burning the boil off gas, but which due to their inherent low efficiency have become extinct for all other kind of vessels. For this reason of efficiency alternative solutions have now being developed, such as Dual fual medium speed diesel electric...