Mechanical & Industrial Engineering: Recent submissions
Now showing items 381-400 of 1462
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On the aero acoustic and internal flows structure in a centrifugal compressor with hub side cavity operating at off design condition
( Elsevier , 2016 , Article)This paper covers the characterization of the acoustic noise and the unsteady flow field of a high speed centrifugal compressor NASA CC3. In order to accurately predict the noise, all analyses are carried out through the ... -
A Robust Modification to the Universal Cavitation Algorithm in Journal Bearings
( American Society of Mechanical Engineers , 2016 , Article)In the current study, a modified fast converging, mass-conserving, and robust algorithm is proposed for calculation of the pressure distribution of a cavitated axially grooved journal bearing based on the finite volume ... -
Unsteady CFD simulation for high speed centrifugal compressor operating near surge
( American Society of Mechanical Engineers (ASME) , 2014 , Conference)Centrifugal compressor surge and stall are an instabilities flow and system phenomenon, which can lead to a loss of engine power, large pressure transients and, in some cases, failure of the compressor and bearing system. ... -
Numerical investigation of steady air injection flow to control rotating stall in centrifugal compressors
( Web Portal ASME (American Society of Mechanical Engineers) , 2014 , Conference)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 investigation of rotating stall characteristics and active stall control in centrifugal compressors
( American Society of Mechanical Engineers (ASME) , 2014 , Conference)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 ... -
Aeroacoustic Simulation for NASA CC3 Centrifugal Compressor Operating at off Design Condition
(2016 , Conference)This paper covers the characterization of the acoustic noise and the unsteady flow field of a high speed centrifugal compressor NASA CC3. In order to accurately predict the noise, all analyses are carried out through the ... -
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 simulation of using combined active and passive stall control techniques in centrifugal compressors
( American Society of Mechanical Engineers (ASME) , 2014 , Conference)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 simulation and control of rotating stall in a transonic centrifugal compressor
( Web Portal ASME (American Society of Mechanical Engineers) , 2014 , Conference)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 ... -
Mechanical properties of human hepatic tissues to develop liver-mimicking phantoms for medical applications
( Springer , 2023 , Article Review)Using liver phantoms for mimicking human tissue in clinical training, disease diagnosis, and treatment planning is a common practice. The fabrication material of the liver phantom should exhibit mechanical properties similar ... -
How circular economy can reduce scope 3 carbon footprints: Lessons learned from FIFA world cup Qatar 2022
( Elsevier , 2023 , Article)Mega sporting events (MSEs) such as the FIFA World Cup and the Olympics always attract people around the world to visit the hosting country, boosting its tourism and business, and leaving a positive legacy. However, such ... -
Sustainability Assessment in Aviation Industry: A Mini- Review on the Tools, Models and Methods of Assessment
( IEOM Society International , 2020 , Conference)Sustainable aviation practices have significantly reduced Greenhouse Gas (GHG) emissions over the years. However, these practices have not shaped the aviation industry in achieving the United Nations Sustainable Development ... -
Tools and Techniques for Food Security and Sustainability Related Assessments: A focus on the Data and Food Waste Management System
( IEOM Society International , 2020 , Conference)Achieving global food security requires addressing series of challenges, from food waste accumulation in the food supply chain (FSC) to tackling the gender disparities and climate-related concerns to promote sustainable ... -
A Combined Bibliometric Analysis on the Data Collection and Reporting Systems for Sustainability Assessment in Higher Education
( IEOM Society , 2021 , Conference)Sustainability in Higher Education (SHE) has been tagged as an emerging topic of concern among the research community and higher education institutions over the past decade. This paper aims to investigate the existing body ... -
The Factors Affecting CO Emission in the European Union Countries: A Statistical Approach to Sustainability across the Food Industry
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)The research investigates four prime factors influencing CO2 emission levels associated with the food production industry in the European Union (EU) member states. The prime factors, namely population size, percentage of ... -
A Frontier Based Eco-Efficiency Assessment of Electric Vehicles: The Case of European Union Countries Using Mixed and Renewable Sources of Energy
( IEOM Society , 2021 , Conference)Electric vehicles (EVs) are seen as a promising solution for creating more efficient and sustainable transportation systems. European Union (EU) members show a strong interest in implementing EVs, and the governments support ... -
Analysis of Construction Critical Success Factors (CSF) for Public-Private Partnership (PPP) for Sports Infrastructure in Qatar Using Relative Importance Index
( IEOM Society , 2021 , Conference)Public-Private Partnership (PPP) is a unique procurement method that tends to increase in the recent period due to its sustainable approach. Its main feature is to create a partnership between public and private stakeholders ... -
Multi-generation energy system based on geothermal source to produce power, cooling, heating, and fresh water: Exergoeconomic analysis and optimum selection by LINMAP method
( Elsevier , 2021 , Article)The current study deals with thermodynamic modeling and multi-objective optimization of a new multi-generation energy system using geothermal as the primary energy source. The proposed system includes a Kalina cycle, a ... -
Air expulsion analysis of an industrial air valve using CFD
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)CFD (Computational Fluid Dynamic) analysis is a modern technique to estimate and determine fluid characteristics. CFD uses the Navier-Stokes equation to solve complex fluid behavior along with turbulence models such as k- ... -
Areadynamic analysis of GMC sierra pickup truck
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)Computational Fluid Dynamics (CFD) was used to simulate the flow field over a GMC sierra pickup truck double cab (manufactured year of 2005). This simulation model was compared to a previous simulation and experimental ...
