College of Engineering: المرسلات الحديثة
السجلات المعروضة 1321 -- 1340 من 8352
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Submerged versus side-stream osmotic membrane bioreactors using an outer-selective hollow fiber osmotic membrane for desalination
( Elsevier , 2021 , Article)This study investigated the comparative performances, fouling mitigation efficiencies, and operational costs of side-stream and submerged osmotic membrane bioreactors (OMBR) systems using an outer-selective hollow fiber ... -
A comparative study of gender differences in thermal comfort and environmental satisfaction in air-conditioned offices in Qatar, India, and Japan
( Elsevier , 2021 , Article)Gender differences in the assessment of thermal comfort and indoor environmental quality (IEQ) in the Gulf Cooperation Countries (GCC) have not previously been investigated, despite the prevalence of the overcooling of ... -
Comparative exergy, multi-objective optimization, and extended environmental assessment of geothermal combined power and refrigeration systems
( Institution of Chemical Engineers , 2021 , Article)In the present work a comparative exergy analysis, multi-objective optimization, as well as extended environmental analysis of a geothermal-based power and refrigeration system, is carried out. Different arrangements with ... -
An enhanced hybrid piezoelectric-electromagnetic energy harvester using dual-mass system for vortex-induced vibrations
( SAGE Publications Inc. , 2021 , Article)This article proposes a novel hybrid piezoelectric-electromagnetic vortex-induced vibration energy harvester from flow of water inside of a pipe. The piezoelectric energy harvester was modeled with a macro-fiber composite ... -
Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability
( Elsevier , 2021 , Article)The drastic increase in freshwater and ordinary Portland cement (OPC) consumption poses severe environmental and economic challenges worldwide. This study; therefore, explores the mechanical and durability properties of ... -
Structural equation modeling of public transport use with COVID-19 precautions: An extension of the norm activation model
( Elsevier , 2021 , Article)This study aims to identify the travelers' attitudes and preferences towards the use of public transport during COVID-19 through the Norm-Activation Model (NAM). A questionnaire survey was designed to assess the traveler's ... -
Energy savings resulting from using a near-surface earth-to-air heat exchanger for precooling in hot desert climates
( MDPI , 2021 , Article)Given the substantial energy use for space cooling in buildings, integrating energy-efficient and sustainable cooling systems into buildings has become increasingly more important. Even though the cooling potential of a ... -
A Single Inductor, Single Switch High Gain DC-DC Boost Converter
( IEEE , 2020 , Conference Paper)Switched capacitor-based voltage multiplier cell (VMC) is generally employed to increase the output voltage of the dc-dc converter. The proposed converter is a new high gain dc-dc boost converter which utilizes only a ... -
CONSTRUCTION CHANGE ORDER MANAGEMENT PROJECT SUPPORT SYSTEM UTILIZING DELPHI METHOD
( Vilnius Gediminas Technical University , 2022 , Article)Change orders are a major challenge in the construction industry due to the associated time and cost impacts. Thus, managing change effectively assists in alleviating cost overruns and delays. Avoiding change orders and ... -
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 ... -
The Effect of Change-Order Management Factors on Construction Project Success: A Structural Equation Modeling Approach
( American Society of Civil Engineers , 2022 , Article)Managing change order is a critical area of concern in the construction industry, owing to the resulting disputes, claims, productivity losses, delays, and cost repercussions. There have been various studies proposing both ... -
Assessment of Construction Project Contractor Selection Success Factors considering Their Interconnections
( Korean Society of Civil Engineers , 2022 , Article)Clients frequently utilize tendering to select contractors in the building business. The goal of this research is to identify, assess, and rank the critical elements in evaluating contact bids for the best-value procurement ... -
Major Factors Affecting Construction Waste Management in Infrastructure Projects Using Structural Equation Model
( American Society of Civil Engineers , 2022 , Article)The construction industry has grown significantly to fulfill the expanding need for accommodation, facilities, welfare, and services resulting from the rapid increase in the global population. Infrastructure projects in ... -
A framework for evaluating campus facility management performance in light of project critical success factors using a multidimensional fuzzy logic approach
( Emerald Publishing , 2023 , Article)Purpose: This paper aims to present the development of a holistic campus facility management (CFM) performance assessment framework that incorporates a fuzzy logic approach and integrates a comprehensive set of key factors ... -
Key Success Factors and Their Impact on the Performance of Construction Projects: Case in Qatar
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)The success of a construction project depends on different factors, the knowledge of the project managers, and the type of project being developed. In this paper, based on a review of the literature, 23 factors are identified ... -
Drivers for energy analysis towards a BIM-enabled information flow
( Emerald Publishing , 2023 , Article)Purpose: Energy analysis (EA) within a building information modelling (BIM) enables consistent data integration in central repositories and eases information exchange, reducing rework. However, data loss during information ... -
Modal analysis of spur gears for varied teeth root cracks characteristics: finite element analysis (FEA) simulations
( Extrica , 2022 , Conference Paper)Gear failure is considered the main alarming and undesirable event in gearboxes. Usually, cracks happen by fatigue caused due to cyclic loading. Fatigue stress is focused on the teeth root because of the small tooth fillet ... -
Using one dimensional convolutional neural networks for classifying the vibration of process pipework
( AIP Publishing , 2023 , Conference Paper)Pipework in process facilities such as oil and gas or petrochemical plants is subjected to various dynamic excitations. Such excitations may include flow-induced forces due to turbulence or due to change in flow momentum ... -
Wave propagation in double helical rods
( Elsevier , 2020 , Article)The propagation of waves in helical rods has been studied extensively. However, studying the wave propagation in double helical rods have received less attention although this can be useful in multiple fields of science ... -
Experimental investigation of the crashworthiness performance of fiber and fiber steel-reinforced composites tubes
( Elsevier , 2020 , Article)Crashworthiness plays a key role in energy absorption and hence in vehicle accidents. The energy absorption capacity of laminated composite materials is heavily investigated in the industry due to their low cost, corrosion ...