College of Engineering: Recent submissions
Now showing items 1341-1360 of 8352
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Thermal Structural Optimization of IC Engine Piston
( International Journal of Mechanical Engineering and Robotics Research , 2021 , Article)The primary purpose of this work is to investigate the effect of the piston crown and piston boss thicknesses on the stresses generated on the piston. A 150-cc piston, made from A4032 Aluminum, of type “Bajaj,” was considered ... -
Development of a Campus Facility Management Operational Framework Using a Modified Delphi Method
( American Society of Civil Engineers , 2023 , Article)An effective facility management process is crucial to overall firm performance and is becoming a core competency for organizations seeking to gain a competitive advantage. The recent literature on facility management ... -
3D-Printed Clay Enhanced with Graphene Nanoplatelets for Sustainable and Green Construction
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)This paper presents a study on the effects of graphene nanoplatelets (GNPs) on the mechanical behavior of 3D-printed burnt clay, the most sustainable and green construction material, under constant printing parameters. ... -
AI and IoT-based concrete column base cover localization and degradation detection algorithm using deep learning techniques
( Ain Shams University , 2023 , Article)Internet of Things (IoT) and Artificial Intelligence (AI) technologies are currently replacing the traditional methods of handling buildings, infrastructure, and facilities design, control, and maintenance due to their ... -
Evaluating the Performance of Campus Facility Management through Structural Equation Modeling Based on Key Performance Indicators
( American Society of Civil Engineers , 2024 , Article)This paper presents the development of a comprehensive campus facility management performance assessment model (CFMPM). The model employs structural equation modeling (SEM) and incorporates a thorough list of crucial success ... -
Investigating the characteristics of a magnetorheological fluid damper through CFD modeling
( Institute of Physics Publishing , 2021 , Article)Computational Fluid Dynamics (CFD) analysis is conducted on mono-tube vehicle MRF damper investigated experimentally in a previous study. In this study, the fluid of the type MRF-132DG was inserted inside a damper of a car ... -
Fractional-order controllers for stick-slip vibration mitigation in oil well drill-strings
( SAGE , 2021 , Article)Drillstring–borehole interaction can produce severely damaging vibrations. An example is stick–slip vibration, which negatively affects drilling performance, tool integrity and completion time, and costs. Attempts to ... -
Vibration of Periodic Drill-Strings with Local Sources of Resonance
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)A new class of drill-strings is proposed for attenuating undesirable vibrations to ensure effective operation. The drill-string is provided with passive periodic inserts, which are integrated with sources of local resonance ... -
Experimental Investigation of the Vibration Control of Nonrotating Periodic Drill Strings
( American Society of Mechanical Engineers , 2021 , Article)During the drilling process in oil and gas fields, slender drill strings often experience a multitude of complex and simultaneous vibrational phenomena. Drill string vibrations hinder the drilling process and can cause ... -
Towards a simplified technique for crack recognition in gearing systems
( Academie des sciences , 2022 , Article)This paper presents a simple and effective method to identify and quantify the existence of cracks in the teeth roots of spur gears. The problem was numerically analyzed through finite element-based simulation with SolidWorks ... -
Calculating the response of waveguides to base excitation using the wave and finite element method
( SAGE , 2021 , Article)The prediction of the response of waveguides to time-harmonic base excitations has many applications in mechanical, aerospace and civil engineering. The response to base excitations can be obtained analytically for simple ... -
Hybrid fuzzy sliding mode for stick-slip suppression in drill string systems
( Korean Society of Mechanical Engineers , 2022 , Article)Stick-slip vibration is one of the main factors that contribute greatly to reducing the service life of drill string equipment and decreasing the efficiency of the overall drilling system. Thus, it would be very desirable ... -
Experimental and numerical investigation of damping in a hybrid automotive damper combining viscous and multiple-impact mechanisms
( SAGE , 2022 , Article)One of the least investigated approaches in passive vibration control is the possibility of combining different types of dampers that use different damping principles. Such a combination process, if wisely designed and ... -
Design and efficiency evaluation of a new wearable device for multi-degree suppression of hand pathological tremor
( SAGE , 2023 , Article)Sufferers of onset upper limb tremors find difficulty performing daily tasks due to rapid involuntary movements. Traditional treatments being offered help alleviate symptoms but are costly and can be invasive. Wearable ... -
Using image processing techniques in computational mechanics
( Elsevier , 2023 , Article)The implementation methods of finite element analysis (FEA) have remained essentially unchanged since the inception of FEA in the 1960s. Alterations of any of the input or design parameters to the FEA model can potentially ... -
Assessment of Climate Adaptation of Youth Club in Tozeur, South of Tunisia
( Elsevier Ltd , 2012 , Conference Paper)Impact of users on thermal behaviour of a building and a building's impact on the use of different spaces are two aspects that are subject of post occupancy evaluation of the present paper. The building was designed according ... -
Enhancing the damping effect of MRF damper using an external magnetic excitation system
( Institute of Physics Publishing , 2023 , Article)The magnetic field generated by the damper’s magnetic circuit governs the yield stress value of the Magnetroholgical Fluid (MRF) damper and hence its damping effect. This paper contributes to the literature on the development ... -
Improving comfort and productivity of workers at moderate activity and hot environment by means of a PCM cooling vest
( American Society of Heating, Refrigerating and Air-Conditioning Engineers, ASHRAE , 2017 , Conference Paper)The effect of using a phase change material (PCM) cooling vest by a worker performing moderate activity in a hot environment is studied through the use of a validated integrated fabric-PCM and bio-heat model. The integrated ... -
Quantifying savings in spaces energy demands and CO2 emissions by shading and lighting controls in the Arabian Gulf
( Elsevier , 2018 , Article)Despite the deceleration in worldwide annual energy consumption and CO2 emissions, many countries, such as in the Arabian Gulf, are still unarguably far from following this international trend. This study investigates the ... -
Performance assessment of evaporatively-cooled window driven by solar chimney in hot and humid climates
( Elsevier Ltd , 2018 , Article)This study investigates the application of the evaporatively-cooled window system in hot and humid climates and assesses its seasonal performance and benefits in terms of energy savings. The validated system is a hybrid ...