Browsing Mechanical & Industrial Engineering by Publisher "American Society of Mechanical Engineers (ASME)"
Now showing items 1-20 of 22
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A need for functionally graded stiffness femoral stem for reduction in stress shielding and promoting bone growth: Computational analysis
( American Society of Mechanical Engineers (ASME) , 2017 , Conference Paper)Total Hip Arthroplasty (THA) is an orthopaedic procedure that is available to reduce pain and restore the functionality of hip joints. THA has been successfully implemented for the last 40 years. However, after more than ... -
Abnormal release of toxic gases from natural gas processing plants
( American Society of Mechanical Engineers (ASME) , 2001 , Conference Paper)Qatar, one of the Arabian Gulf States, possesses one of the world's largest non-associated gas fields. Most of the country's development plans are based on the preparation of natural gas for export and local use. Under ... -
Application of Fatty Acid Based Phase-Change Material to Reduce Energy Consumption from Roofs of Buildings
( American Society of Mechanical Engineers (ASME) , 2016 , Article)Buildings account for a significant portion of the total energy consumption in the U.S., especially the energy-inefficient commercial building sector. As part of the future path toward realizing net zero energy buildings, ... -
Band Gap Characteristics of Nonrotating Passive Periodic Drill String
( American Society of Mechanical Engineers (ASME) , 2018 , Article)A new class of drill strings is investigated whereby strategically designed and placed periodic inserts are utilized to filter out the vibration transmission along the drill strings. Such mechanical filtering capabilities ... -
Combustion and emissions of a gas-to-liquid diesel engine utilizing optimized spiral-helical intake manifold designs
( American Society of Mechanical Engineers (ASME) , 2021 , Article)Two simultaneous strategies were used to reduce diesel engine emissions. Optimized manifold designs were used with gas-to-liquid (GTL) fuel and its blend with diesel fuel. Six new spiral-helical manifolds were tested, which ... -
Development of an Air-Cooled Induction Manifold for Diesel Engines in Hot and Humid Climate
( American Society of Mechanical Engineers (ASME) , 2022 , Article)Extreme weather conditions in the Gulf, Qatar, have been taken as an example in this study, tend to be hot and humid mostly throughout the year, especially in the summer. Such weather negatively affects the performance and ... -
Effect of Utilizing a Novel Intake Manifold Design on Smoke Emissions and Particulate Size Distributions of a Gas-to-Liquid Diesel Engine
( American Society of Mechanical Engineers (ASME) , 2021 , Article)Smoke emissions and particulate matter (PM) size distributions were investigated on a direct-injection (DI) single-cylinder diesel engine running on both gas-to-liquid (GTL) and diesel fuels utilizing a novel spiral-helical ... -
Evaluating the Performance of a Newly Developed Carbon Capture Device for Mobile Emission Sources
( American Society of Mechanical Engineers (ASME) , 2017 , Article)In the present study, a new carbon capture device that can be carried on-board vehicles has been developed and tested. The developed device uses absorption and adsorption methods of postcombustion CO2 capture. Sodium ... -
Influence of changing casing groove parameters on the performance of centrifugal compressors near stall condition
( American Society of Mechanical Engineers (ASME) , 2016 , Article)The casing treatment is an effective method for increasing the stall margin of compressors and enhancing the flow distribution at the blades tip. The present numerical study focuses on making an optimization of the casing ... -
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 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 ... -
Investigation of gas-liquid flow using electrical resistance tomography and wavelet analysis techniques for early kick detection
( American Society of Mechanical Engineers (ASME) , 2021 , Conference Paper)Gas kick is a well control problem and is defined as the sudden influx of formation gas into the wellbore. This sudden influx, if not controlled, may lead to a blowout problem. An accidental spark during a blowout can lead ... -
Measurements of laminar flame speeds of alternative gaseous fuel mixtures
( American Society of Mechanical Engineers (ASME) , 2015 , Article)Global warming and the ever increasing emission levels of combustion engines have forced the engine manufacturers to look for alternative fuels for high engine performance and low emissions. Gaseous fuel mixtures such as ... -
Measurements of Laminar Flame Speeds of Gas-to-Liquid-Diesel Fuel Blends
( American Society of Mechanical Engineers (ASME) , 2016 , Article)This work investigates the laminar flame speed, SN, of gas-to-liquid (GTL) fuel and its 50-50% by volume blends with conventional diesel, in a cylindrical bomb capable of measuring SN at different initial temperatures and ... -
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 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 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 ... -
Optimized intake manifold designs and their effects on the operation and emissions of a gas-to-liquid diesel engine
( American Society of Mechanical Engineers (ASME) , 2020 , Conference Paper)Two simultaneous strategies have been used in this work to reduce the diesel engine emissions. First, using novel manifold designs to generate strong turbulence and improve the fuel-air mixing inside the cylinder. The ... -
Performance Comparison Between Fast Fourier Transform-Based Segmentation, Feature Selection, and Fault Identification Algorithm and Neural Network for the Condition Monitoring of Centrifugal Equipment
( American Society of Mechanical Engineers (ASME) , 2017 , Article)This paper compares and evaluates the performance of two major feature selection and fault identification methods utilized for the condition monitoring (CM) of centrifugal equipment, namely fast Fourier transform (FFT)-based ... -
Spreading of SARS-CoV-2 via heating, ventilation, and air conditioning systems-an overview of energy perspective and potential solutions
( American Society of Mechanical Engineers (ASME) , 2021 , Article)The role of heating, ventilation, and air conditioning systems (HVAC) in spreading SARSCoV-2 is a complex topic and has not been studied thoroughly. There are some existing strategies and technologies for health and high ...