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Articles 1 - 21 of 21
Full-Text Articles in Engineering
Ocean Renewable Power Company, James Donegan
Analysis Of Biofouling Effect On The Fatigue Life And Energy Performance Of Wave Energy Converter System, Shun-Han Yang, Jonas W. Ringsberg, Erland Johnson
Analysis Of Biofouling Effect On The Fatigue Life And Energy Performance Of Wave Energy Converter System, Shun-Han Yang, Jonas W. Ringsberg, Erland Johnson
MARENER 2017
This study presents an analysis of a wave energy converter (WEC) system consisting of a buoy, a mooring system, and a power cable connected to a hub. The design service life of the investigated WEC is 25 years. During this long period, its service life will be influenced by marine biofouling due to the biological activity in the water.
The purpose of this study is to investigate the effect of biofouling with regard to the energy performance of the WEC and the fatigue lives of the mooring lines and power cable. The marine biofouling is modelled by an increase in …
Compliant Strategy For Shipowners: A Decision Framework For Air Emission Reduction Measures, Fabio Ballini Dr., Aditya Srivastava, Aykut Ölcer Dr.
Compliant Strategy For Shipowners: A Decision Framework For Air Emission Reduction Measures, Fabio Ballini Dr., Aditya Srivastava, Aykut Ölcer Dr.
MARENER 2017
The main aim of the paper is to develop a decision framework for ship owners to comply with the emission reduction regulations. Various measures available to ship owners will be analysed. This paper will discuss the need of Carbon Tax or Market Based Measures in the maritime market. A comparison between the market-based measures, operational measures, carbon tax and abatement measures for averting air emissions of carbon equivalent will be made.
An overview of air emissions caused by the shipping sector will be given along with the methods to keep records of air emissions. There are no uniform standardised methods …
Norsepower Rotor Sail Solution, Jukka Kuuskoski
Norsepower Rotor Sail Solution, Jukka Kuuskoski
MARENER 2017
The Norsepower Rotor Sail Solution is a modernized version of the Flettner rotor – a spinning cylinder that uses the Magnus effect to harness wind power to propel a ship. When the wind conditions are favourable, Norsepower Rotor Sails allow the main engines to be throttled back, saving fuel and reducing emissions while providing the power needed to maintain speed and voyage time. Rotor sails can be used with new vessels or they can be retrofitted to existing ships.
Norsepower's first delivery project with two 18-metre Rotor Sails has been completed on board Bore's 9,700 DWT Ro-Ro carrier MS Estraden. …
Biomimetic Improvement Of Hydrodynamic Performance For Tidal Turbines, Weichao Shi
Biomimetic Improvement Of Hydrodynamic Performance For Tidal Turbines, Weichao Shi
MARENER 2017
No abstract provided.
Balancing The Navigational Safety, Efficiency & Financial Aspects Of Oreis, Raza Ali Mehdi
Balancing The Navigational Safety, Efficiency & Financial Aspects Of Oreis, Raza Ali Mehdi
MARENER 2017
The increasing number and sizes of offshore renewable energy installations (OREIs), combined with the ambitious plans for future developments in the sector, portray a bleak outlook for ‘traditional’ maritime and marine players: if the current plans for OREIs are realized, sea-space will become increasingly restricted for activities such as shipping.
Sustained growth of both OREIs and shipping may thus lead to situations where certain risk control options (RCOs) need to be adapted in order to maintain safety – despite the fact that such measures themselves may be counter-productive in terms of energy efficiency or financial sustainability. This leads to the …
Into The Real World: Assessing The Value Of Wind Assist Technology, Benjamin Howett, T. Cui, M. Kui, O. Turan, A. H. Day, A. Incecik
Into The Real World: Assessing The Value Of Wind Assist Technology, Benjamin Howett, T. Cui, M. Kui, O. Turan, A. H. Day, A. Incecik
MARENER 2017
No abstract provided.
Lighting Standards For Ship And Alternative Solutions For Energy Efficiency, Efe Akyurek
Lighting Standards For Ship And Alternative Solutions For Energy Efficiency, Efe Akyurek
MARENER 2017
Lighting has an important role amongst human life. In this respect, an adequate lighting on board gives moral, motivation also helps to improve safety and security for ships’ crew. This paper aims to both determine an adequate lighting for crew and bring energy efficiency with optimal lighting considering existing regulations on shipboard lighting. After a brief introduction, on the first part the preferred lighting tendencies to be discussed at maritime regulatory base including SOLAS, MLC with comparing ILO 92/133 Conventions. The second part initially defines optimal lighting for crew accommodation and working areas with demonstrating an example on a river …
Cfd Simulations Of A Passively Controlled Point Absorber, Minghao Wu, Weizhi Wang, Johannes Palm, Claes Eskilsson
Cfd Simulations Of A Passively Controlled Point Absorber, Minghao Wu, Weizhi Wang, Johannes Palm, Claes Eskilsson
MARENER 2017
No abstract provided.
Overcoming The Challenges To Maritime Energy Efficiciency In The Caribbean Region, Deniece Aiken
Overcoming The Challenges To Maritime Energy Efficiciency In The Caribbean Region, Deniece Aiken
MARENER 2017
Maritime energy efficiency in the Caribbean appears to be predicated on two key requirements; regulatory controls over the vessels operating in the region and the availability and use of efficient technology. While many Caribbean territories have ratified MARPOL AnnexVI, implementation of the standards therein, presents challenges that are familiar to maritime administrators of the region. These challenges include insufficient resources and inadequate implementation of relevant standards. These issues have traditionally plagued the region. The paucity of data and monitoring in this part of the world also contributes to ineffective policy interventions. There is also a need to identify the gap …
High-Order Mooring Simulations For Increased Accuracy In Wave Energy Applications, Johannes Palm, Claes Eskilsson, Lars Bergdahl
High-Order Mooring Simulations For Increased Accuracy In Wave Energy Applications, Johannes Palm, Claes Eskilsson, Lars Bergdahl
MARENER 2017
The prevailing simulation technique for floating wave energy converters (WECs) is to use the linear hydrodynamics in convolution form to solve for the motion of the floating structure. This allows for very fast time domain simulations with the possibility to include non-linear reaction forces from e.g. moorings and power take off (PTO). Although its accuracy for very large motion amplitudes is debated (Yu and Li 2015, Palm 2015), it is the best method available to make long-term simulations of WEC response.
Brown and Mavrakos (1999) showed a big difference in mooring response depending on how the mooring cables of marine …
The Potential Of Elephant Grass (Pennisetum Purpureum Schum), An African Indigenous Grass, In Bioethanol Production: A Decarbonization Alternative For The Shipping Industry, Lawrence Kuroshi Phd
The Potential Of Elephant Grass (Pennisetum Purpureum Schum), An African Indigenous Grass, In Bioethanol Production: A Decarbonization Alternative For The Shipping Industry, Lawrence Kuroshi Phd
MARENER 2017
While it is true that fossil fuel based energy which is non-renewable has contributed immensely to global economic growth, it has brought with its usage the emission of carbon dioxide (CO2), a principal greenhouse gas. Studies using business as usual (BAU) model has predicted that the emission of CO2 into the atmosphere will increase by 50 to 250% by the year 2050 with perhaps a commensurate increase in the global carbon footprint. The shipping industry has remained a major contributor to this global carbonization. Concern over this increasing concentration of carbon dioxide in the atmosphere, has intensified interests in developing …
Numerical Simulations On Added Resistance And Ship Motions Of Kvlcc2 In Waves, Mingyu Kim
Numerical Simulations On Added Resistance And Ship Motions Of Kvlcc2 In Waves, Mingyu Kim
MARENER 2017
No abstract provided.
The Law Of Conservation Of Energy Towards Defining Maritime Cluster Dynamics, Peter J. Stavroulakis, Stratos Papadimitriou, Ioannis Koliousis
The Law Of Conservation Of Energy Towards Defining Maritime Cluster Dynamics, Peter J. Stavroulakis, Stratos Papadimitriou, Ioannis Koliousis
MARENER 2017
Industrial clusters have for many decades been considered as the stepping stone for regional and national competitiveness, due to the fact that within these systems of economies, many propitious qualities seem to flourish. Competition and cooperation are witnessed to complement one another, firms can thrive through the marvels of knowledge creation and innovation, and positive externalities are seen to blossom into an interconnected system of collective prosperity. This system bears semblance to many occurrences in nature, and thus can guide the reflection of natural dynamics that may pave an industrial cluster’s threads. Maritime clusters in particular, are distinct vanguards of …
Costs And Benefits Of Lng Economic Development In The Baltic And Arctic Regions, Fabio Ballini, Lawrence Kuroshi
Costs And Benefits Of Lng Economic Development In The Baltic And Arctic Regions, Fabio Ballini, Lawrence Kuroshi
MARENER 2017
Global warming is becoming increasingly evident. However, rising temperatures also offer new economic opportunities, such as new maritime routes in previously ice-locked waters. Valuable minerals in the Arctic region are also becoming more accessible. Maritime stakeholders are therefore seeking to operate in this remote region safely and efficiently. Accommodating these developments from a regulatory standpoint, IMO has amended the International Convention for the Prevention of Pollution from Ships (MARPOL) to include Chapter 9 of Annex I, prohibiting the use of heavy-grade marine fuels as well as heavy-duty oils as cargo carriage in the seas beyond 60th parallel south. In addition, …
Energy Awareness – Do We Need A Definition In Order To Implement It Onboard?, Signe Jensen
Energy Awareness – Do We Need A Definition In Order To Implement It Onboard?, Signe Jensen
MARENER 2017
Energy optimization and the awareness about the issue has become an important topic in the maritime industry. An energy management study from 2015 performed by DNV GL, shows that energy awareness has moved from rank fifteen to be the most important measure to be implemented as a success factor to realize actual savings. However - What exactly is energy awareness, and how can it be defined and implemented? Are Ship Energy Efficiency Management Plans (SEEMP), noon reports and decision support software the right tools to raise awareness and improve energy efficiency for all shipping companies. Previous studies show that smaller …
Energy Consumption Of Small Scale Fishing Vessel Operations In Indonesia: A Case Study In Palabuhanratu, Indonesia, Vita R. Kurniawati, Richard W. Birmingham, Alan J. Murphy
Energy Consumption Of Small Scale Fishing Vessel Operations In Indonesia: A Case Study In Palabuhanratu, Indonesia, Vita R. Kurniawati, Richard W. Birmingham, Alan J. Murphy
MARENER 2017
About 79% of the global fishing fleet is small motorized boats typically operating in coastal areas, supplying local markets, and contributing to human well-being through food supplies and economic development. For example, Indonesian fisheries which predominantly are artisanal fishing, have supported 54% of animal protein intake, accounted for 2% of employment level and increased the fishermen’s prosperity index by 2.44%. However, they cause significant environmental impacts including fish resource depletion and intensive energy use. Balancing the benefits and challenges, sustainably managing these fishing operations is an important yet complex task given the requirements to proportionally account for fish resources, fishing …
Application Of Experimental Investigation Of Forming Limit Diagrams Of Tailor Welded Blanks In Ship Hull Design, Mehdi Sepasi
Application Of Experimental Investigation Of Forming Limit Diagrams Of Tailor Welded Blanks In Ship Hull Design, Mehdi Sepasi
MARENER 2017
No abstract provided.
Vessel Tracking Using Automatic Identification System Data In The Arctic, Torkild Eriksen, Øystein Olsen
Vessel Tracking Using Automatic Identification System Data In The Arctic, Torkild Eriksen, Øystein Olsen
ShipArc 2015 Conference
No abstract provided.
Medium-Range Forecast Of The Arctic Sea-Ice Cover Using The Satellite Observation Data, Kimura Noriaki
Medium-Range Forecast Of The Arctic Sea-Ice Cover Using The Satellite Observation Data, Kimura Noriaki
ShipArc 2015 Conference
No abstract provided.
Use Of Satellite Sar Observations Integrated In Arctic Maritime Situational Awareness, Hans Eilif Larsen
Use Of Satellite Sar Observations Integrated In Arctic Maritime Situational Awareness, Hans Eilif Larsen
ShipArc 2015 Conference
No abstract provided.