ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Thousands gathered in Austin, Texas, in July to attend the 2017 Unconventional Resources Technology Conference which reflected several of the biggest themes shaping the shale sector and its emergence as an internationally discussed business. Several of the technical presentations highlighted the progress ...
The introduction of the energy efficiency design index (EEDI), which is applicable for various types of new-built ships after January 1,2013, raised concerns regarding the sufficiency of propulsion power and steering devices to maintain maneuverability in adverse conditions. This was the motivation ...
In the article will be reviewed the changes of ship motion patterns originating from a special class of phase space phenomena identified in the nonlinear dynamics literature as homoclinic (When the term appears in italic, it will imply truly homoclinic as well as heteroclinic events). The key incident ...
Abstract Maintaining asset integrity throughout the design life of oil and gas operations is key to the overall success of upstream projects. Specific locations, e.g., geographically remote or deepwater locations, create challenges to materials performance, logistics of installation, corrosion control ...
We demonstrate a novel technique that provides a monitoring gain (relative to launch power) of up to 10 dB for in-service supervisory channels. Fast polarization spinning mitigates NL crosstalk which would otherwise instigate uncorrectable block errors in FEC-supported PolMux signals. The method simplifies ...
Increasing utility of wireless sensors and their decreasing cost with technological innovation has increased their presence in many mobile & wearable devices and many devices are able to sense and relate a variety of sensor data including GPS location to be used for decision making. However, much potential ...
Indonesia is an archipelago. Consequently, the majorities are working around the sea such as a fisherman. While the number of activities at sea are increasing more accident occurred are rising. This research presents marine weather prediction system using Hybrid Methods TS-ANFIS (Adaptive Neuro Fuzzy ...
The Arctic Ocean is ringed by shallow areas along the continental shelves which are home to shore-fast ice throughout much of the winter. These areas are being used for both traditional activities such as fishing and hunting, and increasingly, at least in some locations, resource extraction and related ...
Power sources for marine systems are becoming more versatile, taking advantage several different electrochemical couples to provide energy in locations that are not serviced by conventional electrical loads. Renewable power from wind, solar, and tidal power continues to dominate power generation at ...
The SeaDrone is a novel craft that can both fly and also submerge itself and operate subsea. It is designed for missions to make ocean science measurements close to shore (within 25km) and a relatively low sea-depth (less than 150m). It can carry a sensor payload to make ocean measurements or a camera ...
To enhance the safety of various marine operations in many coastal regions, ocean weather monitoring and prediction systems are playing an increasingly important role over the last couple of decades. To provide marine forecasts in Cook Inlet, Alaska, which has extremely complex geometry and the largest ...
St. George Island, part of the Pribilof Islands, is located in the Bering Sea, more than 320 kilometers (200 miles) north of the nearest Aleutian Island and equally distant to the mainland of Alaska. For nearly two centuries, St. George's primary economy was based on commercial fur seal harvesting. ...
This paper provides a comprehensive empirical performance analysis of various trajectory compression algorithms for offline compression of trajectory data of sea borne objects which include boats, trawlers, ships etc. Our empirical study uses data from a surveillance application. The surveillance application ...
The results of computational investigation of the generalized iterative algorithm GIA GMDH with active neurons are presented. The algorithm's architecture is based on hybridization of iterative and combinatorial search schemes and comprises six standard variants of typical GMDH algorithms. The experiments ...
Examines the future for marine electrical technology as is presented in article for this issue of the publication.
Studies investigating the impact of increasing ocean acidification on primary producers have been largely speculative and based on short-term experimental results. Few long-term studies are available to assess the rate of change in ocean acidity versus change in plankton populations. We utilize long-term ...
The authors have been working on support of coastal fishing utilizing ICT since 2004. We have realized two visualizations for the sustainable fishery until now. One is visualization of resources for capture fishing using digital diary and the other is visualization of environment for culture fishing ...
Ocean processes are of biological, geological, chemical or physical nature, occurring at micro - to kilometer scales, from less than seconds to centuries, turning the understanding and the sustainable management of the ocean into a multi-scale and multi-disciplinary effort. To address this variability ...
Canada's Exclusive Economic Zone in the Northeast Pacific encompasses a rich variety of offshore benthic habitats, from continental shelf, slope and abyssal sediments, to sponge reefs, seamounts, gas hydrates and hydrothermal vents. Knowledge of these remote areas is uneven, derived from mostly uncoordinated ...
In this article the obstacle detection system design for MACABOT an Autonomous Surface Vehicle (ASV) using mechanical scanning sonar is presented. The MACABOT ASV is a versatile marine multipurpose autonomous vehicle developed to fulfill complex requirements from different applications like in the offshore ...