Browsing College of Engineering by Title
Now showing items 5235-5254 of 7854
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Numerical evaluation of the thermal performance of a near-surface earth-to-air heat exchanger with short-grass ground cover: A parametric study
( Elsevier , 2021 , Article)High energy consumption and increasing energy cost have encouraged investment in energy efficiency. In hot areas, like the Middle East, the share of space cooling accounts for most of the total energy use in buildings. ... -
Numerical investigation of rotating stall characteristics and active stall control in centrifugal compressors
( American Society of Mechanical Engineers (ASME) , 2014 , Conference Paper)This paper focuses on providing better view for the understanding of rotating stall phenomenon in centrifugal compressors by using numerical simulations and presents a study of the role of air injection method in delaying ... -
Numerical investigation of rotating stall in centrifugal compressor with vaned and vaneless diffuser
( Science Press , 2015 , Article)This study presents a numerical simulation of the stall and surge in a centrifugal compressor and presents a descriptionof the stall development in two different cases. The first case is for a compressor with vaneless ... -
Numerical investigation of steady air injection flow to control rotating stall in centrifugal compressors
( Web Portal ASME (American Society of Mechanical Engineers) , 2014 , Conference Paper)This paper concerns the role of air injection method in stabilization and stall control in centrifugal compressors. The main aim is to find the best arrangement of air injection parameters such as injection angle and ... -
Numerical modeling of shear strengthened reinforced concrete beams using different systems
( American Society of Civil Engineers , 2014 , Article)This research aims at creating finite-element models for fiber-reinforced polymer (FRP) shear strengthened concrete beams. It is inspired by the fact that the determination of the structural behavior of shear strengthened ... -
Numerical parametric investigation on the moment redistribution of basalt FRC continuous beams with basalt FRP bars
( Elsevier , 2021 , Article)Recently, researchers’ efforts have been directed toward using fiber-reinforced concrete (FRC) in lieu of conventional concrete to improve the compressive strain, tensile strength capacity, cracking patterns, and ductility ... -
Numerical simulation and control of rotating stall in a transonic centrifugal compressor
( Web Portal ASME (American Society of Mechanical Engineers) , 2014 , Conference Paper)This study presents a numerical simulation of precursors and characteristics of rotating stall in a centrifugal compressor with vaned diffuser. The aim is to further understand the causes of stall inception, characteristics ... -
Numerical simulation of a novel expanded metal tubular structure for crashworthiness application
( Institute of Physics Publishing , 2015 , Conference Paper)Search for new geometries and materials that would serve in crashworthiness applications is a cumulative process. Recent studies investigated the performance of expanded metal tubes and the possible ways to enhance its ... -
Numerical simulation of one-stage gearbox dynamics in the presence of simultaneous tooth cracks
( International Institute of Acoustics and Vibration, IIAV , 2017 , Conference Paper)Gears are vital components in various industrial machinery. Tooth fatigue crack is amongst the most common causes of gear failure. Early detection of tooth cracks is crucial for effective con-dition-based monitoring. This ... -
Numerical simulation of stall development into surge and stall control using air injection in centrifugal compressors
( American Society of Mechanical Engineers (ASME) , 2014 , Conference Paper)This study presents a numerical simulation of the formation of rotating stall and the initiation of surge in order to study the connection between stall and surge in centrifugal compressors. Also, the current paper introduces ... -
Numerical simulation of the fracture and compression response of self-healing concrete containing engineered aggregates
( Elsevier , 2023 , Article)The existing self-healing concretes that rely on capsules require modifications to one or more traditional concrete mixing, placing, and consolidating methods. Additionally, concrete mixture designs need alterations to ... -
Numerical simulation of thermal buoyant wall jets
(2013 , Conference Paper)The main focus of this study is on the near field flow and mixing characteristics of the thermal wall jets. A numerical study of the buoyant wall jets discharged from submerged outfalls from cooling systems of power ... -
Numerical simulation of using combined active and passive stall control techniques in centrifugal compressors
( American Society of Mechanical Engineers (ASME) , 2014 , Conference Paper)This study presents a numerical simulation of stall control by using the casing treatment method which represents the passive control technique and also by using the air injection method which represents the active control ... -
Numerical solutions of two heat transfer limits of MFM square duct flow using MatLab program
( Taylor & Francis , 2009 , Article)The heat transfer of a magneto-fluid-dynamics (MFM) laminar flow in an electricallyinsulated square duct subjected to two boundary condition limits of constant heat flux and constant wall temperature is examined numerically. ... -
Numerical study of magneto-fluid-mechanic combined free-and-forced convection heat transfer
( Elsevier , 1998 , Article)Fully-developed, laminar, steady, free-and-forced convection heat transfer in an electrically-conducting fluid flowing in an electrically-insulated, horizontal, circular pipe (with its wall subjected to a uniform heat flux) ... -
Numerical study of the attenuation properties of viscoelastic metamaterials
( Institute of Physics Publishing , 2018 , Conference Paper)Metamaterials (MMs) are materials engineered to have a property that is not found in nature. In this study, one-dimensional MMs is investigated, particularly that with a functional elastic wave band gaps where propagation ... -
Numerical study on settlement of piled foundations on homogenous rock
( Taylor and Francis , 2014 , Conference Paper)Settlement behavior of piled foundations on homogenous rock was investigated using an extensive three-dimensional finite element analysis of different piled-foundation models. Effects of pile slenderness ratio, pile spacing, ... -
Numerical study on the damping characteristics of a shock absorber valve utilizing different velocities through CFD analysis
( National Technical University of Athens , 2021 , Conference Paper)Shock absorbers or hydraulic dampers are power dissipating devices. The fluid flow inside the damper is governed by predefined passages. The damping effect is accomplished by the resistance of oil to flow through the ... -
Numerical study on the effect of insulator size and shape on fouling suppression by electrodeless dielectrophoresis in submerged membrane bioreactors
( American Institute of Physics Inc. , 2018 , Conference Paper)The application of obstacle dielectrophoresis has the potential to enhance membrane fouling suppression in submerged membranes bioreactors while requiring low energy consumption. In this study, the effect of the insulators ... -
Nutshell - Simulation Toolkit for Modeling Data Center Networks and Cloud Computing
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Cloud computing provides flexibility, reliability, and scalability to its consumers. Applications that run on Cloud are now more resource hungry than ever, and the need is constantly growing. The number of Cloud applications ...