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Topic Review
Biography
Topic Review
Vortex-Induced Motions of Floating Offshore Wind Turbine Structures
The ‘Green Shift’ from fossil energy (coal, oil and natural gas) to renewable energy (sunlight, wind, waves and tide) is now a global trend. DNV forecasts that by 2050, the installed floating global wind capacity will have grown from today’s 100 megawatts (MW) to over 264 gigawatts (GW), so that 2% of the world’s electricity demand can be supplied by cost-efficient and dependable floating offshore wind. Floating offshore wind is considered to be a viable solution at water depths exceeding 50 to 60 m with abundant wind resources. As a fast-evolving technology, it has the potential for less foundation material, shortened installation cycle and decommissioning, and additional wind power generation.
899
11 Aug 2022
Topic Review
Digital and Smart Cities
Mobility is notoriously a key aspect of our modern economy and humans' way of life. In an edge situation such as the current coronavirus pandemic, transportation is one of the first affected mechanisms of a city. In our paper, we highlight the potential of operations research and computational intelligence tools for cities' services. The contributions involves aspects of optimization, internet-of-thing and internet-of-value (brought with concepts of Blockchain). When we sum up all these tools, it becomes possible to envision the potential that emerging software and systems can bring to society, associated with the wave of innovation surroundings the smart cities.
899
21 Jan 2021
Topic Review
Underwater Vision Enhancement
Underwater video images, as the primary carriers of underwater information, play a vital role in human exploration and development of the ocean. Due to the absorption and scattering of incident light by water bodies, the video images collected underwater generally appear blue-green and have an apparent fog-like effect. In addition, blur, low contrast, color distortion, more noise, unclear details, and limited visual range are the typical problems that degrade the quality of underwater video images. Underwater vision enhancement uses computer technology to process degraded underwater images and convert original low-quality images into a high-quality image. The problems of color bias, low contrast, and atomization of original underwater video images are effectively solved by using vision enhancement technology. Enhanced video images improve the visual perception ability and are benefificial for subsequent visual tasks. Therefore, underwater video image enhancement technology has important scientifific signifificance and application value.
898
03 Mar 2022
Topic Review
Nondestructive Monitoring in RC Elements
The structural and damage assessment of a reinforced concrete (RC) beam subjected to a four-point bending laboratory test is presented. Different nondestructive testing (NDT) techniques have been used with distributed fiber optic sensors (FOS) and acoustic emission (AE) sensors. The recorded AE activity results in good agreement with FOS strain measurements. At different loading steps, digital image correlation (DIC) analysis was also conducted.
898
30 Oct 2020
Topic Review
Electro-Thermal Modeling of Electric Motor Drive
Electro-thermal modeling is a process of creating a mathematical model to simulate the electrical and thermal behavior of an electric motor drive system. This modeling technique is used to predict the performance of the motor under different operating conditions and to optimize its design for efficiency and reliability. Electric motor drives are used in a wide range of applications, including industrial machinery, electric vehicles, and renewable energy systems. However, these systems can suffer from decreased efficiency and reliability due to the impact of temperature on their performance. Electro-thermal modeling is used to address these issues by accurately simulating the motor's behavior under different temperature conditions. The modeling process involves using software tools to create a mathematical model that includes the electrical and thermal properties of the motor. This model can then be used to simulate the motor's behavior under different loads and temperatures, allowing engineers to predict the motor's performance and optimize its design. One key advantage of electro-thermal modeling is that it allows engineers to identify potential issues in the motor's design and operation before they occur in the real world. By analyzing the motor's behavior under different conditions, engineers can identify areas where the motor is operating inefficiently or experiencing excessive temperatures. They can then modify the motor's design or operating conditions to improve its efficiency and reliability. Thus, electro-thermal modeling is an essential tool for designing and optimizing electric motor drive systems. By accurately simulating the motor's behavior under different conditions, engineers can create more efficient, reliable, and long-lasting motor systems that meet the needs of various applications.
898
04 May 2023
Topic Review
Nanostructures Based on Cobalt Oxide
Cobalt oxide (Co3O4) is known to follow the spinel structure as (Co2+)[Co23+O4. The high spin Co2+occupies the interstitial sites of tetrahedral (8a) whereas low spin Co3+are known to occupy the interstitial sites of octahedral (16d) of the close-packed face-centered cubic lattice of CoO.Co2O3. The p-type conductivity of the material (CoO.Co2O3) is known to originate from the vacancies of Co in the crystal lattices or/and excess oxygen at interstitial sites. Furthermore, 1D nanostructures of Co3O4 have been investigated over the past decades as an active material for chemical analytes detection owing to its superior catalytic effect together with its excellent stability.
898
06 Aug 2021
Topic Review
Savoia-Marchetti SM.75
The Savoia-Marchetti SM.75 was an Italian passenger and military transport aircraft of the 1930s and 1940s. It was a low-wing, trimotor monoplane of mixed metal and wood construction with a retractable tailwheel undercarriage. It was the last of a line of transport aeroplanes that Alessandro Marchetti began building in the early 1930s. The SM.75 was fast, robust, capable of long-range flight and could carry up to 24 passengers for 1,000 miles.
897
24 Oct 2022
Topic Review
Youth Road Safety Behavior in Serbia
Road traffic crashes are a leading cause of death for young people. Aberrant driver behaviors, such as drink driving, speeding, not wearing seatbelts, non-compliance with traffic rules and aggressive driving, are key contributors to these crashes. Gender and urban/rural differences are also risk factors. Younger people have the highest road crash and fatality risk.
897
07 Nov 2022
Topic Review
Detroit Diesel 60
The Detroit Diesel Series 60 is an inline-six 4 stroke diesel engine produced since 1987. At that time, it differed from most on-highway engines by using an overhead camshaft and "drive by wire" electronic control. In 1993, it was popular on many USA buses in the 11.1 L (677 cu in) displacement.
897
07 Nov 2022
Topic Review
Renewable Waste-to-Energy in SEA
Renewable waste-to-energy in Southeast Asia is a kind of renewable and alternative energy gained from waste resource that most Southeast Asian countries explore and utilize not only to minimize the waste crisis but also to meet the actual fossil-free high demand [2] but also to reduce greenhouse gas emissions and other environmental impacts from the energy sector [9] across the region.
897
16 Nov 2020
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