Halvor Schøyen

Halvor Schøyen
University of South-Eastern Norway | USN · Department of Maritime Technology and Innovation

PhD

About

26
Publications
22,416
Reads
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587
Citations
Additional affiliations
November 2016 - present
University of South-Eastern Norway
Position
  • Professor (Associate)

Publications

Publications (26)
Conference Paper
Full-text available
Stricter regulations and ambitious targets regarding air emissions from ships have led the shipping industry to a tipping point necessitating disruptive technologies for green and ecological operation. This study introduces a dual fuel engine innovation with ultra-high energy conversion efficiency, thereby reducing exhaust gas emissions. However, t...
Article
Full-text available
This study investigates the competitiveness of various autonomous ship categories for container shipping in the Arctic route. We propose a multi-criteria decision-making (MCDM) framework using four ship categories as alternatives and eight criteria for competitiveness evaluation. We analyse collected data using the Best-Worst Method (BWM), one of t...
Article
Full-text available
Many countries engaged in polar research are commissioning polar research and supply vessels (PRSVs), inter alia, Britain's RRS Sir David Attenborough and Australia's RSV Nuyina. The prevalent climate change has placed the Arctic and Antarctic regions in the forefront of operations requiring specialist ships to support and deploy research activitie...
Article
Full-text available
This paper explores how port efficiency affects the time that ships spend in port and therefore their atmospheric emissions whilst berthed. While the literature on port productivity and efficiency measurement largely ignores this aspect, we explore the biases in the measurement of productivity when resources spent on providing swift cargo-handling...
Article
Full-text available
While policy makers worldwide view maritime transport as a sustainable alternative to road freight transport, increased cargo volumes by sea inevitably boost activities in ports that are in the proximity of where people live. This paper proposes a production analysis framework for examining intertemporal changes in cargo volumes and in-port air pol...
Article
This paper examines the productivity of Norwegian container seaports and the extent to which the initially less productive seaports are converging/diverging in productivity in relation to the initially more productive seaports. The rationale of the paper is that productivity assessment of Norwegian seaports is scarce in the literature, and studies...
Article
One objective for countries in the European common market is to optimize the performance of their multimodal logistics chains. The attainment of this goal requires the continuous development of container ports’ performance, better customer satisfaction and - at the same time - to deter the occurrence of waste and bottleneck. Many regions in Europe...
Article
Efficient port services are prerequisites for competitive and sustainable maritime transports. This paper makes advances in studying the determinants of the time that ships spend in port and the associated emissions to air. We estimate a production model for cargo handling based on a unique dataset containing each port of call at the largest contai...
Conference Paper
Many different sensors have been installed on board vessels, a new framework is urgently needed to form a Common Operational Picture (COP), to assist the on-board operations and onshore analysis. In this paper, based on the Visual Analytics framework, we present a spatiotemporal dimension reduction method based on a real world case of oil combat op...
Article
Recycling end-of-life vessels in an eco-friendly way is one of the challenges faced by ship-owners, recycling yards and governments. Ship scrapping is dangerous to the environment and the workers in the recycling sites. This study concentrates on international ship-owners’ role and influence, in connection to environmental and safety conditions in...
Article
Full-text available
This paper considers the degree of competition among small and medium-sized container ports located in a multi-port gateway region. The level of port competition is evaluated by means of an analysis of the revealed preferences in the port-calling pattern of container feeder vessels deployed on their various links and routes. Unit of analysis is fee...
Article
Global marine shipping annually accounts for about one billion tonnes of CO2 equivalent greenhouse gas emissions. Nuclear power propulsion may be an option to de-carbonise some niches of the merchant ocean fleet. This paper considers the three experimental nuclear-powered merchant ships launched and operated in the world so far; the iconic Savannah...
Article
Full-text available
This article measures productivity changes during 2009-2014 of the six largest Norwegian container ports against 14 similar small- and medium-sized ports in the Nordic countries and the UK. The approach used is the data envelopment analysis (DEA)-based Malmquist productivity change index (MPI), which carries out a decomposition isolating the techni...
Article
This article measures productivity changes during 2009 – 2014 of the six largest Norwegian container ports against 14 similar small- and medium-sized ports in the Nordic countries and the UK. The approach used is the data envelopment analysis (DEA)-based Malmquist productivity change index (MPI), which carries out a decomposition isolating the tech...
Article
Full-text available
This paper considers the area of fuel saving through retrofitting shaft generator frequency converter during a vessel operational phase. This retrofit enables the vessel to slow steam with the shaft generator engaged to the main switch board and still maintaining the proper voltage and frequency. An exploratory case study approach is adopted, to ac...
Article
This study develops a detailed operational activity-based method to estimate energy efficiency for feeders vessels, both during sailing condition and whilst in port working containers. Two case studies from the North Sea provide empirical evidence on feeder operations and energy efficiency and are compared to estimates presented by International Ma...
Article
Full-text available
This paper focuses on how the Designated Persons Ashore (DPAs) perceive their role in the shipping organization in relation to the International Safety Management Code (ISM) requirements and to which extent they are legally exposed in case of an accident. The ISM Code expects continuous improvement in safety on board. The DPA is responsible for det...
Conference Paper
Full-text available
Thawing sea ice in the arctic due to global warming has opened up new horizons for an environment friendly and cost efficient trade route between Europe and Asia. This study investigates the economic and environmental potential of Northern Sea Route over the Suez Canal for the transit shipping of LNG. As an alternate to the Suez Canal, the Northern...
Article
Full-text available
Thawing sea ice in the arctic due to global warming has opened up new horizons for an environmentally friendly and cost-efficient trade route between Europe and Asia. As an alternative to the Suez Canal, the Northern Sea Route (NSR) offers a 50% shorter sailing distance between Northwestern Europe (Hammerfest, Norway) and Northeast Asia (Tobata, Ja...
Article
In this article we evaluate the technical efficiency of Norwegian container ports relative to a frontier composed of the best performing among themselves and other comparable Nordic and UK ports. The rationale is that a technical efficiency assessment of Norwegian container ports has not been found in the literature; therefore, it is unknown what t...
Article
The navigation distance via the Northern Sea Route (NSR) from a Northwest-European port to the Far East is approximately 40% shorter compared to the route via the Suez Canal. The shorter distance may facilitate more than a doubling of vessels’ operational energy efficiency performance. There is at present substantial uncertainty in schedule reliabi...
Article
Full-text available
The technical and economic conditions of World War II that led to the building of Liberty vessels and compared with those that led to the building of the present very large and ultralarge crude carries (VLCCs and ULCCs) for the purpose of revealing similarities that could indicate when a massive replacement of the existing large tankers is to be ex...
Article
The sailing distance via the Northern Sea Route (NSR) from a Northwest-European port to the Far East is approximately 40% shorter as compared to via the Suez Canal. Due to NSR uncertainty in schedule reliability it should primarily be explored for bulk shipping (tramp) rather than for liner shipping. A more than doubling of the vessel fuel efficien...

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Projects

Projects (4)
Project
This project has the aim of assessing the efficiency and productivity of the sub-sectors of transportation and, has being ongoing for several years. So far, it has assessed efficiency and/or productivity in public transport, road tolling, vehicle inspection services, air transport and maritime transport. Numerous results of the project have been published in peer-reviewed scientific journals; many can be found below .