تصفح College of Engineering حسب العنوان
السجلات المعروضة 4329 -- 4348 من 7996
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Investigating the corrosion under insulation (CUI) on steel pipe exposed to Arabian Gulf sea water drops
( Trans Tech Publications Ltd , 2016 , Conference Paper)This paper is an endeavor to investigate an insulated mild steel pipe that exposed to three sea water drops rate (10, 30, and 50 drops/minute) at room temperature. Various experimental strategies were employed including ... -
Investigating the effect of materials and structures for negative pressure ventilators suitable for pandemic situation
( Springer Nature , 2021 , Article)The onset of the corona virus disease 2019 (COVID-19) pandemic caused shortages in mechanical ventilators (MVs) essential for the intensive care unit (ICU) in the hospitals. The increasing crisis prompted the investigation ... -
Investigating the effect of the air inlet temperature on the combustion characteristics of a spark ignition engine fueled by biogas
( Wiley-Blackwell , 2020 , Article)This work has conducted a numerical study using AVL-Boost engine simulation utilizing biogas (CH4 and CO2)–air mixtures in a SI engine model. The effect of varying the air manifold temperature from 25 to 50°C on the ... -
Investigating the effect of using softer rail-pads on ground-borne vibration from underground railways
( Taylor and Francis Ltd. , 2023 , Article)In this study, a series of vibration measurements were performed on a section of one of the lines of the Doha Metro to explore the effect of changing rail-pads from conventional higher stiffness under-rail pads to lower ... -
Investigating the effect of utilizing new induction manifold designs on the combustion characteristics and emissions of a direct injection diesel engine
( American Society of Mechanical Engineers (ASME) , 2018 , Article)New induction manifold designs have been developed in this work to enhance the turbulence intensity and improve the mixing quality inside diesel engine cylinders. These new designs employ a spiral-helical shape with three ... -
Investigating the effects of mixing ionic liquids on their density, decomposition temperature, and gas absorption
( Institution of Chemical Engineers , 2019 , Article)In order to counter the detrimental effect of chemicals on the environment, the academic and industry research interest have shifted towards “green” solvents. Ionic liquids (ILs) are salt-like compounds that, with few ... -
Investigating the individual interests of undergraduate students in STEM disciplines
( Frontiers Media SA , 2024 , Article)Despite massive investments in the education sector to empower youth in Qatar, a vital concern remains to retain students in science, technology, engineering, and mathematics (STEM) disciplines at the undergraduate level. ... -
Investigating the potential of delivering employer information requirements in BIM enabled construction projects in Qatar
( Springer New York LLC , 2016 , Conference Paper)Employer's Information Requirements (EIR) is a key document for the successful delivery of construction projects using Building Information Modeling (BIM). EIR sets out the information to be delivered and the standards and ... -
Investigating the Potential of Recycling Flare-Source Hydrocarbon Gases in an Industrial Burner
( American Society of Mechanical Engineers (ASME) , 2021 , Article)Flare gas is considered a global environmental concern. Flaring contributes to wasting limited material and energy resources, economic loss, and greenhouse gas emissions. Utilizing flared gas as a fuel feed to industrial ... -
Investigating the Properties of Electrodeposited of Ni-P-ZrC Nanocomposite Coatings
( American Chemical Society , 2021 , Article)Superior corrosion resistance along with higher mechanical performance is becoming a primary requirement to decrease operational costs in the industries. Nickel-based phosphorus coatings have been reported to show better ... -
Investigating the reasons for choosing a major among the engineering students in Qatar
( IEEE Computer Society , 2016 , Conference Paper)The selection of an engineering major is a decision that can influence the career of young students, and possibly their entire fife. The purpose of this study is to understand the factors affecting the selection of an ... -
Investigating the role of stakeholder engagement for more resilient vaccine supply chains during COVID-19
( Springer , 2022 , Article)The complexity of the supply chains and the uncertainties in the processes cause business to become more vulnerable in the face of disruptions. Pandemic situations such as COVID-19 cause sudden disruptions in supply chains, ... -
Investigating the Use of Autoencoders for Gait-based Person Recognition
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)In recent years, gait has been growing as a biometric for person recognition at a distance. However, factors such as view angles and carrying conditions often make this task challenging. This paper proposes a solution to ... -
An investigation into hybrid carbon/glass fiber reinforced epoxy composite automotive drive shaft
( Elsevier , 2011 , Article)This paper examines the effect of fiber orientation angles and stacking sequence on the torsional stiffness, natural frequency, buckling strength, fatigue life and failure modes of composite tubes. Finite element analysis ... -
Investigation Into the Effects of Non-Linear Loading of Domestic Power Network on Home Appliances
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Non-Linear loads such as Compact Fluorescent lamps (CFLs), Light Emitting diodes (LEDs),Solid state voltage regulators, and variable speed electric drives are increasingly being added tothe domestic, residential and ... -
Investigation into ultraviolet radiations from modern electric light sources
( Taylor and Francis Ltd. , 2017 , Article)Due to concerns of increasing electrical energy demand and government regulations, traditional incandescent lamps are being replaced by energy-efficient lamps, such as compact fluorescent lamps (CFLs) and light emitting ... -
Investigation of a bidirectional DC/DC converter with zero-voltage switching operation for battery interfaces
( John Wiley and Sons Inc , 2021 , Article)This paper proposes a bidirectional DC-DC converter with soft-switching capabilities. The main characteristic of this converter is that it can be operated in both boost and buck modes. The major advantages of this converter ... -
Investigation of a New Voltage Balancing Circuit for Parallel-connected Offshore PMSG-based Wind Turbines
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Parallel connection of wind turbines (WTs) is beneficial in high-power applications. For successful operation of parallel WT-based energy conversion systems, a well-regulated voltage is needed at the collection point. Due ... -
Investigation of effects of temperature cycles on soil-concrete interface behavior using direct shear tests
( Elsevier B.V. , 2019 , Article)This publication was made possible by NPRP Grant NPRP-9-080-2-039 from Qatar National Research Fund (a member of the Qatar Foundation). L. M. Calado acknowledges Fundação para a Ciência e Tecnologia ( FCT ) for Ph.D. grant ... -
Investigation of Ester- and Amide-Linker-Based Porous Organic Polymers for Carbon Dioxide Capture and Separation at Wide Temperatures and Pressures
( American Chemical Society , 2016 , Article)Organic compounds, such as covalent organic framework, metal–organic frameworks, and covalent organic polymers have been under investigation to replace the well-known amine-based solvent sorption technology of CO2 and ...
