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Now showing items 2513-2532 of 50233
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Analysis and Assessment of Modular Multilevel Converter Internal Control Schemes
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Adoption of distributed submodule (SM) capacitors in a modular multilevel converter (MMC) necessitates complex controllers to ensure the stability of its internal dynamics. This paper presents comprehensive analysis and ... -
Analysis and calibration of empirical relationships for estimating evapotranspiration in Qatar: Case study
( American Society of Civil Engineers (ASCE) , 2017 , Article)Knowledge of evapotranspiration (ETo), which is the process of water loss from vegetated soils due to evaporation and transpiration, is important in real-time irrigation management and water-resource allocation, particularly ... -
Analysis and experimental verification of three-coil inductive resonant coupled wireless power transfer system
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)In this paper, the basic principle of Wireless Power Transfer (WPT) based on resonance in magnetically coupled coils is described with detailed theoretical analysis of concepts. A novel approach of WPT is proposed using ... -
Analysis and Extension of Switched Inductor and Capacitor Based High Gain DC-DC Boost Converter with Flexible Control at Higher Gains
( Institution of Engineering and Technology , 2023 , Conference Paper)Microgrids get the majority of their power from renewable sources such as PV (photovoltaic) and FC (fuel cell). To achieve the desired bus voltage in a DC microgrid, a conventional DC-DC converter used as an interconnecting ... -
Analysis and feasibility of integrating a new and novel hybrid solar chimney power plant with a traditional electrical grid
( John Wiley and Sons Ltd , 2022 , Article)This work evaluates the impact of integrating a hybrid solar chimney power plant (HSCPPS) into a medium voltage distribution grid in the Safawi area, Jordan. The HSCPPS can operate as a traditional solar chimney power plant ... -
Analysis and implementation of a new asymmetric double H-bridge multilevel inverter
( John Wiley and Sons Ltd , 2021 , Article)Multilevel inverters (MLI) have become an integral component in many industrial applications including drive systems and distributed generation grid integrated systems. Efficient and cost-effective MLI topologies are ... -
Analysis and optimization of concentrated solar power plant for application in arid climate
( John Wiley and Sons Ltd , 2021 , Article)In this research study, the concentrated solar power (CSP) technology is reviewed for designing and optimizing a CSP tower plant for arid climate regions such as Qatar. A database for all CSP projects around the world is ... -
Analysis and quality of service evaluation of a fast charging station for electric vehicles
( Elsevier Ltd , 2016 , Article)Electrification of transportation is considered as one of the most promising ways to mitigate climate change and reduce national security risks from oil and gasoline imports. Fast charging stations that provide high quality ... -
Analysis of a Cell-based Call Admission Control Scheme for QoS Support in Multimedia Wireless Networks
( IEEE , 2007 , Conference Paper)Next generation wireless communication systems target to provide guaranteed quality of service (QoS) for multimedia applications. In this paper, a multiple-threshold bandwidth reservation scheme combined with a call admission ... -
Analysis of A Screen Type Solar Air Collector Without Transparent Cover
( Qatar University , 1989 , Article)The performance of a screen type solar air collector of different uniform mesh sizes and without a glass cover is investigated theoretically. Formulation of simultaneous radiation and convection heat transfer for a semi-steady ... -
Analysis of a solar PV/battery/DG set-based hybrid system for a typical telecom load: a case study
( Taylor and Francis Ltd. , 2017 , Article)This paper analyses the technical and economic feasibility of using a hybrid renewable energy source for a typical telecom load in the state of Qatar. The hybrid system considered in this work consists of a solar photovoltaic ... -
Analysis of a three-phase to seven-phase transformer under unbalanced input
( Springer , 2020 , Article)In the recent past, multiphase power generation, power transmission, and multiphase drive system are the main focus of research due to their several advantages over existing three phase system. Multiphase drives have better ... -
Analysis of aerosol absorption properties and transport over North Africa and the Middle East using AERONET data
( Copernicus GmbH , 2016 , Article)In this paper particle categorization and absorption properties were discussed to understand transport mechanisms at different geographic locations and possible radiative impacts on climate. The long-term Aerosol Robotic ... -
Analysis Of Al Diffusion In Molten Germanium Induced By Pulsed Nd: Yag Laser Using Sims Technique
( Qatar University , 1996 , Article)In this work the volume diffusion coefficients and profile distribution of Al impurities in molten germanium have been measured using secondary-iron mass spectroscopy (SIMS) technique. Diffusion is achieved with aid of ... -
Analysis of an application delivery platform for software defined infrastructures
( Inderscience Enterprises Ltd. , 2016 , Conference Paper)Application service providers (ASPs) obtaining resources from multiple clouds have to contend with different management and control platforms employed by the cloud service providers (CSPs) and network service providers ... -
Analysis of bioconvection and oxytactic microorganisms in a porous cavity with nano-enhanced phase change materials and quadrant heater: Application of support vector regression based model
( Elsevier , 2023 , Article)In this numerical study, two-dimensional simulations are performed to obtain the bioconvection flow in a quadrant heater located porous closed space saturated with nano-enhanced phase change material (NePCM). The Galerkin ... -
Analysis of cell spectral efficiency of infrastructure relay-enhanced cellular system
( IEEE , 2011 , Conference Paper)In this paper, we investigate the downlink spectral efficiency of infrastructure relay-enhanced cellular systems. In particular, we use the average achieved spectral efficiency at an arbitrary mobile receiver in presence ... -
Analysis of change orders in Qatari construction projects
( Taylor and Francis Ltd. , 2017 , Article)Change orders affect the performance of construction projects and may induce significant cost overruns. The paper identifies the main causes/factors that lead to change orders in Qatari construction projects. It also ... -
ANALYSIS OF CLIMATE CHANGE NEWS SENTIMENT'S IMPACT ON GCC STOCK MARKETS
(2024 , Master Thesis)Climate change imposes severe pressure on the world's financial and economic systems. Commencing from altering the natural ecosystem and weather patterns to eventually affecting the public health. The climate change threats ... -
Analysis of CO2 Solubility and Absorption Heat into Aqueous 1-Diethylamino-2-propanol
( Elsevier , 2017 , Conference Paper)In this work, the CO2 equilibrium solubility in 2 M 1-diethylamino-2-propanol (1DEA2P) solution were determined as function of temperature (in the range of 298-333K), and CO2 partial pressure (in the range of 8-101 kPa). ...
