Results 211 to 220 of about 25,422 (265)

Simulations of Photovoltaic Systems on Different Types of Ships in Sweden: Solar Energy Generation, Comparison to Energy Consumption, and Reduction of CO2 Emission

Energy Science &Engineering, EarlyView.
Investigation of the potential of using solar cells on different types of ships, to see how it reduces energy consumption and emissions of carbon dioxide (CO2). From the reduction in fuel consumption, the fuel cost reduction was estimated, and an approximate payback time for the solar cell system was calculated.
Joachim Wallenstein, Joanne Ellis, Erik M. J. Johansson   +2 more
wiley   +1 more source

Computational Analysis of Spray Angle Effects on Combustion and Emissions in Methane‐Diesel Dual‐Fuel Engine

Energy Science &Engineering, EarlyView.
This study concluded that wider spray angles produce wall impingement and greater unburned hydrocarbons in methane‐diesel dual‐fuel engines, whereas 110° balances efficiency and emissions. ABSTRACT A diesel methane dual fuel engine appears as a potential means for lowering emissions while retaining useful thermal efficiency.
Abdullah Al Rifat, Md. Arafat Rahman, Md. Mizanur Rahman, Tafsirul Hassan, Md Nazmul Haque   +4 more
wiley   +1 more source

Machine Learning and Artificial Intelligence Techniques for Intelligent Control and Forecasting in Energy Storage‐Based Power Systems

Energy Science &Engineering, EarlyView.
A new energy paradigm assisted by AI. ABSTRACT The tremendous penetration of renewable energy sources and the integration of power electronics components increase the complexity of the operation and power system control. The advancements in Artificial Intelligence and machine learning have demonstrated proficiency in processing tasks requiring ...
Balasundaram Bharaneedharan, Suresh Panchanathan, Chan Choon Kit, Elumalai Perumal Venkatesan, Nasim Hasan   +4 more
wiley   +1 more source

Design of HAWT Rotor for Non‐Uniform Inflow Conditions: A Theoretical and Experimental Approach for Shear Flow

Energy Science &Engineering, EarlyView.
This paper aims to provide a robust design approach for HAWTs operating in shear flow. This study fills a critical research gap by integrating BEM and vortex theories for blade design in non‐homogeneous inflow conditions. The authors of the paper made an effort to develop and test an experimentally unsophisticated model of a turbine working in shear ...
Agnieszka Dorota Woźniak, Piotr Strzelczyk, Taeseong Kim   +2 more
wiley   +1 more source

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Speckle-Free SAR Image Ship Detection

IEEE Transactions on Image Processing, 2021
Ship detection is one of important applications for synthetic aperture radar (SAR). Speckle effects usually make SAR image understanding difficult and speckle reduction becomes a necessary pre-processing step for majority SAR applications. This work examines different speckle reduction methods on SAR ship detection performances.
Si-Wei Chen, Xing-Chao Cui, Xue-Song Wang, Shun-Ping Xiao   +3 more
openaire   +2 more sources

Ship infrared detection/vulnerability [PDF]

SPIE Proceedings, 1993
The IR contrast of ships at sea is of importance for those who want to detect or identify the ship and for those who worry about this. This IR contrast is determined by a large number of parameters. Of course temperatures of the ship's structure and those of the ambient sea and air are important, but also important are the reflection properties of the ...
openaire   +1 more source

Deep learning for autonomous ship-oriented small ship detection

Safety Science, 2020
Abstract Small ship detection is an important topic in autonomous ship technology and plays an essential role in shipping safety. Since traditional object detection techniques based on the shipborne radar are not qualified for the task of near and small ship detection, deep learning-based image recognition methods based on video surveillance systems ...
Chen, Zhijun, Chen, Depeng, Zhang, Yishi, Cheng, Xiaozhao, Zhang, Mingyang, Wu, Chaozhong   +6 more
openaire   +1 more source

Ship wake detection by Raman lidar

Applied Optics, 2010
We carried out a remote study of ship wakes by optical methods. Both Mie and Raman scattering signals and their evolution were simultaneously recorded by gated detector (intensified CCD). The Mie scattering signal was detectable within 1 min after water disturbance by a high-speed boat.
Alexey F, Bunkin, Vladimir K, Klinkov, Vladislav A, Lukyanchenko, Sergey M, Pershin   +3 more
openaire   +2 more sources

Autonomous Ship Detection System

2002
Abstract : Due to the events of September-11-2001 the U.S. Coast Guard has requested and received from the Office of Naval Research the approval to change the focus of the original proposal from autonomous ship detection to the use of Autonomous Underwater Vehicles (AUV) for Port Security operations.
Scot T. Tripp, Peter Betzer, Larry Langebrake   +2 more
openaire   +1 more source

Ship trajectory anomaly detection

Intelligent Data Analysis, 2019
This paper compares a number of state-of-the-art anomaly detection methods on real ship trajectories obtained by an Automatic Identification System (AIS) in the Baltic sea. Because most methods need fixed length trajectory representations, the paper also gives some solutions for reducing variable length trajectories to a fixed size.
openaire   +1 more source