Browsing Research Units by Title
Now showing items 199-218 of 4457
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An assessment of Qatari school students' perspective towards using sustainable modes of transport to school
( Elsevier , 2023 , Article)Being a car dependent country traditionally, private cars are widely used for various trip purposes in State of Qatar including school trips. This paper assesses the factors affecting sustainable mode choices, walking or ... -
An assessment tool to evaluate complete streets in developing countries: The case of Qatar
( Inderscience Enterprises Ltd. , 2018 , Article)Complete streets refer to a simple and effective transportation policy to improve traffic safety and comfort for all users within urban areas. Car dependency is a major concern in developing countries. Endorsing complete ... -
An automatic fast optimization of Quadratic Time-frequency Distribution using the hybrid genetic algorithm
( Elsevier B.V. , 2017 , Article)This paper presents a novel framework for a fully automatic optimization of Quadratic Time-frequency Distributions (QTFDs). This ‘black box’ approach automatically adjusts the QTFD kernel parameters by using a hybrid genetic ... -
An Eco-Friendly Quaternary Ammonium Salt as a Corrosion Inhibitor for Carbon Steel in 5 M HCl Solution: Theoretical and Experimental Investigation
( MDPI , 2022 , Article)The corrosion of industrial material is a costly problem associated with global economic losses reaching trillions of US dollars in the repair of failures. Injecting corrosion inhibitors is the most practically promising ... -
An effective energy management strategy in hybrid electric vehicles using Taguchi based approach for improved performance
( Taylor and Francis Ltd. , 2022 , Article)The key challenge in the innovation of hybrid electric vehicles is the energy management control strategies to split the energy between the sources. The objective of adding an auxiliary source of power to vehicles is to ... -
An efficient eco advanced oxidation process for phenol mineralization using a 2D/3D nanocomposite photocatalyst and visible light irradiations
( Nature Publishing Group , 2017 , Article)Nanocomposites (CNTi) with different mass ratios of carbon nitride (C3N4) and TiO2 nanoparticles were prepared hydrothermally. Different characterization techniques were used including X-ray diffraction (XRD), UV-Vis diffuse ... -
An efficient instance hiding scheme
( Association for Computing Machinery , 2016 , Conference Paper)Delegating computation, which is applicable to many practical contexts such as cloud computing or pay-TV system, concerns the task where a computationally weak client wants to securely compute a very complex function f on ... -
An efficient LoRa-based smart agriculture management and monitoring system using wireless sensor networks
( Taylor and Francis Ltd. , 2021 , Article)The objective of this paper is to build up a LoRa-based smart agricultural management and monitoring system using Wireless Sensor Networks (WSNs) in rural areas, in order to replace the current technology of the agricultural ... -
An empirical determination of the whole-life cost of FO-based open-loop wastewater reclamation technologies
( Elsevier Ltd , 2019 , Article)Over the past 5–10 years it has become apparent that the significant energy benefit provided by forward osmosis (FO) for desalination arises only when direct recovery of the permeate product from the solution used to ... -
An enhanced ensemble deep random vector functional link network for driver fatigue recognition
( Elsevier , 2023 , Article)This work investigated the use of an ensemble deep random vector functional link (edRVFL) network for electroencephalogram (EEG)-based driver fatigue recognition. Against the low feature learning capability of the edRVFL ... -
An Enhancement of Compositional Stability of Phase Change Materials by Lamination with Aluminum Sheet
( MDPI , 2023 , Article)The wax leakage from shape-stabilized phase change materials (SSPCMs) is a limitation because it reduces their functionality. In this work, an enhancement of the compositional stability of SSPCMs formed by high-density ... -
An Evaluation of the Alignment of Surplus Food Recovery and Redistribution Technologies with the Circular Economy
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)In Qatar, food security is a top research priority. The National Food Security Strategy (20182023) and the Qatar National Vision 2030 show evidence of policy support regarding food security. The United Nations Sustainable ... -
An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash
( Hindawi Publishing Corporation , 2016 , Article)A new CO2 adsorbent is produced from waste oil fly ash (OFA). Ammonium hydroxide solution is used to convert OFA to activated carbon. Then, the product is used for the adsorption of CO2 from a nitrogen/carbon dioxide ... -
An experimental investigation of emission performance of heterogenous catalyst jatropha biodiesel using RSM
( Elsevier Ltd , 2021 , Article)Tremendous growth in the number of automobiles in developed and developing global economies has exorbitantly boosted competition for petroleum products. Petroleum products derived from fossil fuels are predominantly ... -
An extensive analysis of mechanical, thermal and physical properties of jute fiber composites with different fiber orientations
( Elsevier Ltd , 2021 , Article)The study is aimed to find the effect of orientation of the woven jute fiber on the composites with epoxy matrix on the mechanical properties, thermal properties with different orientations (0°, 15°, 30°, 45°, 60° & 75°) ... -
An improved optimisation technique for the network-controlled pH process and DC motor using various controllers
( Taylor and Francis Ltd. , 2021 , Article)In this paper, two different systems, a pH process and a DC motor, are considered for networked control, where pH is a non-linear system and the DC motor is a linear system. Majority of the industries use the water as their ... -
An integrated approach for produced water treatment using microemulsions modified activated carbon
( Elsevier Ltd , 2019 , Article)In this study, the physical and chemical characterization of produced water was done followed by treatment through sand filtration coupled with activated carbon microemulsion modified activated carbon techniques. The results ... -
An Interactive Visualization Web Solution for Electricity Consumption in Qatar
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)The amount of raw data related to electricity companies is increasing rapidly with the increase of construction sites, population and Qatar preparation for 2022 world cup. A question arises from this situation is: How can ... -
An Investigation of the Swelling Kinetics of Bentonite Systems Using Particle Size Analysis
( Taylor and Francis Inc. , 2019 , Article)Particles size distribution (PSD) is introduced as a tool for analysis of bentonite aggregation and swelling kinetics. Raw Ca-bentonite was purified using a combined wet sieving and sedimentation processes, followed by ... -
An Ontological Security Approach to the Sport Diplomacy of Qatar Foreign Policy
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2022 , Conference Paper)George Orwell's famous quote "serious sport is war minus the shooting" explains the sponsorships and marketing strategy of Qatar foreign policy in global sports. Acceleration of the development of the objectives of 2030 ...