Browsing College of Engineering by Title
Now showing items 4466-4485 of 8220
-
Investigation of Filter Cake Evolution in Carbonate Formation Using Polymer-Based Drilling Fluid
( American Chemical Society , 2021 , Article)Drilling fluid and filtrates invasion often alter the near-wellbore flow properties during overbalanced drilling. The utilization of polymeric gels to prevent drilling fluid loss reduces the risk of formation damage caused ... -
Investigation of gas-liquid flow using electrical resistance tomography and wavelet analysis techniques for early kick detection
( American Society of Mechanical Engineers (ASME) , 2021 , Conference Paper)Gas kick is a well control problem and is defined as the sudden influx of formation gas into the wellbore. This sudden influx, if not controlled, may lead to a blowout problem. An accidental spark during a blowout can lead ... -
Investigation of housing preferences in view of the housing market dynamics in doha metropolitan
( Springer , 2019 , Book chapter)Since the 2000s, Doha has gone through enormous economic growth and urbanization processes. The massive migration inflows have suggested particular housing preferences that are driven by the demographic and lifestyle ... -
Investigation of Indoor Thermal Perceptions and Comfort Temperature in Educational Spaces in Qatar
( Qatar University Press , 2023 , Conference Paper)We conducted thermal comfort field surveys in female educational spaces in Qatar in the autumn and winter of 2018 and 2020 – 21 and collected 324 datasets. They contained all the four environmental measurements and ... -
Investigation of inter feeder power flow regulator: Load sharing mode
(2010 , Article)The Inter feeder Power Flow Regulator (IFPFR) proposed in this paper consists of several voltage source inverters with common dc bus; each inverter is connected in series with one of different independent distribution ... -
Investigation of inter-line dynamic voltage restorer with virtual impedance injection
( IEEE , 2010 , Conference Paper)The Inter-Line Dynamic Voltage Restorer (IDVR) consists of several voltage source inverters connected to different independent distribution feeders with common dc bus. When one of the inverters compensates for voltage sag ... -
Investigation of lanthanum impregnated cellulose, derived from biomass, as an adsorbent for the removal of fluoride from drinking water
( Elsevier Ltd , 2017 , Article)High concentrations of fluoride in drinking water can cause the disease fluorosis. Our scope goal is to develop an effective biopolymeric adsorbent for the removal of fluoride to below a specific safety limit set by the ... -
Investigation of Matrix Damage and Remediation Methods of Preformed Particle Gel Conformance Control Treatments in Carbonate Reservoirs
( Society of Petroleum Engineers (SPE) , 2022 , Conference Paper)Preformed Particle Gels (PPGs) have been widely applied to control excessive water production in mature oil fields with fractures or fracture-like features, especially in sandstones, but with limited attention to carbonates. ... -
Investigation of optimal charging locations for electric vehicles in Istanbul
( IEOM Society , 2017 , Conference Paper)Electric vehicles have a great potential to decrease the adverse effects of transportation, especially in metropolitan cities. On the other hand, adoption of the electric vehicles requires supporting infrastructure such ... -
Investigation of outdoor thermal comfort and psychological adaptation in hot-humid climate of Qatar
( EDP Sciences , 2023 , Conference Paper)In the last few years, tremendous changes have taken place in Doha, the capital city of Qatar. These include rapid population growth, great improvements in education, the hosting of international events, and diverse economic ... -
Investigation of sensorless capacitor voltage balancing technique for modular multilevel converters
( IEEE , 2014 , Conference Paper)Modular Multilevel converters (MMC) have become one of the most promising topologies for DC-AC conversion in recent years. Capacitor voltage balancing is a vital issue for proper operation of the MMC. Generally, conventional ... -
Investigation of solar PV performance under Doha weather using a customized measurement and monitoring system
( Elsevier Ltd , 2016 , Article)A key factor in future eco-friendly and reliable energy systems for network stability is energy prediction of renewable resources. However, the climate-induced performance degradation represents a major drawback to solar ... -
Investigation of Spatial and Cultural Features in Contemporary Qatari Housing
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Housing is a basic human need and a fundamental component of settlement status. The architectural form and spatial provisions of housing evolve in line with—and transform to meet—a specific era’s needs. Globalization has ... -
Investigation of TCP protocols in dynamically varying bandwidth conditions
( Springer Verlag , 2015 , Conference Paper)Cognitive radio (CR) networks experience fluctuating spectrum availability that impacts the end to end bandwidth of a connection. In this paper, we conduct an extensive simulation study of three different window-based TCP ... -
Investigation of the effect of Al-8B master alloy and strain-induced melt activation process on dry sliding wear behavior of an Al–Zn–Mg–Cu alloy
( Elsevier, Ltd , 2014 , Article)Abstract This study was undertaken to investigate the influence of Al–8B master alloy and modified strain-induced melt activation process on the structural characteristics and dry sliding wear behavior of Al–12Zn–3Mg–2.5Cu ... -
Investigation of the Effect of Larestan's Pipeline Water on the Mechanical Properties of Concretes Containing Granite Aggregates
( Hindawi Limited , 2019 , Article)In this study, the compressive strength of the concretes made by the pipeline water of Larestan has been investigated. Although the used water for the concretes must be clean, standard, and generally drinkable water, in ... -
Investigation of the effect of polyelectrolyte structure and type on the electrokinetics and flocculation behavior of bentonite dispersions
( Elsevier B.V. , 2017 , Article)The influence of surface charge type and density, and molecular weight of cationic, anionic and amphoteric polyacrylamide (PAM) on the electrokinetics, adsorption and flocculation behavior of highly stable bentonite ... -
Investigation of the effect of surfactant on the electrokinetic treatment of PFOA contaminated soil
( Elsevier , 2022 , Article)Perfluorooctanoic acid (PFOA) is a persistent, nonbiodegradable environmental pollutant progressively becoming more problematic. Due to its ubiquitous use, PFOA is one of the PFAS chemicals frequently detected in the ... -
Investigation of the Effect of the Force-Frequency on the Behaviour of a New Viscous Damper for Railway Applications
( Qatar Univesrity Press , 2020 , Conference Paper)The primary purpose of this work is to experimentally investigate the damping coefficient of a viscous damper, intended to be used in railway applications to reduce noise emission. The viscous shock absorber used in this ... -
Investigation of the Effect of The Temperature and Magnetization Pattern on Flux Density, Instantaneous Torque, Unbalanced Magnetic Forces of a Surface Inset PMM
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Electrical machines utilized in domestic applications such as ceiling fans should have low losses and cost. Permanent magnets are used instead of rotor excitation to reduce losses. Therefore, not only the losses of the ...