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Topic Review
Biography
Topic Review
Fundamental Building Solutions for Expansive Soils
Expansive soils exist in many countries worldwide, and their characteristics make them exceedingly difficult to engineer. Due to its significant swelling and shrinkage characteristics, expansive soil defies many of the stabilization solutions available to engineers. Differential heave or settlement occurs when expansive soil swells or shrinks, causing severe damage to foundations, buildings, roadways, and retaining structures. In such soils, it is necessary to construct a foundation that avoids the adverse effects of settlement.
1.7K
06 May 2023
Topic Review
Archaeoacoustics Around the World
Acoustics has been integrated with archaeology to better understand the social and cultural context of past cultures. Specifically, public events such as rituals or ceremonies, where an appreciation of sound propagation was required to hold an event. Various acoustic techniques have been used to study archaeological sites, providing information about the building characteristics and organizational structures of ancient civilizations. Archaeoacoustics is the application of acoustics in archaeological spaces.
665
06 May 2023
Topic Review
Evolution of Microgrid Technology
Microgrids are energy systems that can operate independently or in conjunction with the main electricity grid. There are numerous subdomains of microgrid technology research, each of which focuses on a distinct component of microgrid design, operation, and management. Energy storage, control, power electronics and power quality, renewable energy integration, stability, storage, protection and cybersecurity, regulation and distribution, and economic and business models are some of the major areas of microgrid technology study.
826
06 May 2023
Topic Review
Types of Cyber Attacks on Critical Infrastructure
Several critical infrastructures are integrating information technology into their operations, and as a result, the cyber attack surface extends over a broad range of these infrastructures. Cyber attacks have been a serious problem for industries since the early 2000s, causing significant interruptions to their ability to produce goods or offer services to their clients. The thriving cybercrime economy encompasses money laundering, black markets, and attacks on cyber-physical systems that result in service disruptions. Furthermore, extensive data breaches have compromised the personally identifiable information of millions of people.
639
06 May 2023
Topic Review
Solar Energy Potential and Solar Irrigation in Pakistan
Pakistan faces water scarcity and high operational costs for traditional irrigation systems, hindering agricultural productivity. Solar-powered irrigation systems (SPIS) can potentially provide a sustainable and affordable solution, but face technical, financial and policy barriers to adoption.
1.1K
06 May 2023
Topic Review
Active Front-End Rectifiers in EV DC Charging Applications
Active Front-End (AFE) rectifiers have regained momentum as the demand for highpower Electric Vehicle (EV) charging infrastructure increases exponentially. AFE rectifiers have high efficiency and reliability, and they minimize the disturbances that could be generated due to the operation of the EV charging systems by reducing harmonic distortion and operating close to the Unity Power Factor (UPF).
2.1K
05 May 2023
Topic Review
Microgrid Applications and Technical Challenges
In general, microgrids (MGs) can be described as integrated systems composed of distributed energy resources and electrical loads operating as a single, autonomous network, in parallel or “islanded” from the distribution network. Smart microgrids are small, modern systems that mimic to a lesser extent today’s large centralized electrical system. Similar to large electrical power systems (EPS), microgrids can generate, distribute, and regulate the flow of electricity to consumers. When operating in parallel, microgrids increase the main grid capacity, reliability, and efficiency. MGs are designed to provide reliable and efficient electricity to small communities, facilities, or even individual homes, and can be powered by a variety of energy sources, such as solar panels, wind turbines, diesel generators, or batteries. Energy storage systems are usually included to ensure security (possibility of islanded operation), reliability, and controllability. A microgrid can be formed by a decentralized group of electricity sources and loads that normally operates connected to a Smart grid or classic grid distribution infrastructure.
422
05 May 2023
Topic Review
Chemical and Physical Properties of Solid Salt Fluxes
Solid salt fluxes are inorganic compounds that are added during the treatment of molten aluminum to improve the final quality. An understanding of the chemical composition of the flux is essential for the assessment of the physical and chemical behavior of the flux. The chemical composition of the flux can be tailored to adjust properties such as density, viscosity, reactivity, and wettability. Such properties, in turn, will impart different functions to the flux.
1.0K
05 May 2023
Topic Review
Anaerobic Digestion Technology
The continual generation and discharge of waste are considered two of the main environmental problems worldwide. There are several waste management options that can be applied, though anaerobic digestion (AD) process technology seems to be one of the best, most reliable, and feasible technological options that have attracted remarkable attention due to its benefits, including the generation of renewable energy in the form of biogas and biomethane. There is a large amount of literature available on AD; however, with the continuous, progressive, and innovative technological development and implementation, as well as the inclusion of increasingly complex systems, it is necessary to update current knowledge on AD process technologies, process variables and their role on AD performance, and the kinetic models that are most commonly used to describe the process-reaction kinetics.
431
05 May 2023
Topic Review
Tesla Valve Microfluidics
The Tesla valve (TV), a valvular conduit invented by Nicola Tesla over a century ago, has recently acquired significant attention and application in various fields because of the growing interest in microfluidics and nanofluidics. The unique architecture of TV characterized by an asymmetrical design and an arc-shaped channel has long been an intriguing yet underrated design for building a passive component in a microfluidic system. While previously regarded as a technology without significant use, TV structures have been implemented in thermal manipulation fluidics, micromixers and micropumps, benefitting the advancement of urgently demanding technology in various areas, such as in biomedical diagnostics through wearable electronics and medical instruments, lab on a chip, chemosensors and in application toward sustainable technology manifested in fuel cell devices.
346
05 May 2023
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