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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 ... -
An efficient component map generation method for prediction of gas turbine performance
( American Society of Mechanical Engineers (ASME) , 2014 , Conference Paper)Improving efficiency, reliability and availability of gas turbines have become more than ever one of the main areas of interest in gas turbine research. This is mainly due to the stringent environmental regulations that ... -
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 a polyacrylamide-based mud formulation for loss circulation treatments
( American Society of Mechanical Engineers (ASME) , 2021 , Article)Loss circulation materials in the last two decades have witnessed a lot of developments and implementations. New technologies and materials are introduced to treat various types of loss zones. However, the success rate is ... -
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 ... -
Dynamic Forces Induced by a Single Pedestrian: A Literature Review
( American Society of Mechanical Engineers (ASME) , 2017 , Article)With the use of lighter construction materials, more slender architectural designs, and open floor plans resulting in low damping, vibration serviceability has become a dominant design criterion for structural engineers ... -
Dynamic performance simulation of an aeroderivative gas turbine using the matlab simulink environment
( American Society of Mechanical Engineers (ASME) , 2013 , Conference Paper)In fossil fuel applications, such as air transportation and power generation systems, gas turbine is the prime mover which governs the aircraft's propulsive and the plant's thermal efficiency, respectively. Therefore, an ... -
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 ... -
EXPERIMENTAL INVESTIGATION AND HEAT TRANSFER ANALYSIS OF INNOVATIVE THERMAL MECHANICAL REFRIGERATION SYSTEM COMPARED TO ELECTRIC COMPRESSOR
( American Society of Mechanical Engineers (ASME) , 2022 , Conference Paper)The current electric refrigeration and air condition systems are major causes for ozone depletion and global warming. These systems consume large percent of the worldwide gross production of electricity (around 17%). ... -
Health monitoring and degradation prognostics in gas turbine engines using dynamic neural networks
( American Society of Mechanical Engineers (ASME) , 2015 , Conference Paper)In this paper two artificially intelligent methodologies are proposed and developed for degradation prognosis and health monitoring of gas turbine engines. Our objective is to predict the degradation trends by studying ... -
Heat transfer analysis of regenerative thermo-mechanical refrigeration system
( American Society of Mechanical Engineers (ASME) , 2020 , Conference Paper)Refrigeration systems contribute to the critical environmental concerns including global warming and ozone depletion. It is necessary to develop new systems that use renewable energy resources and waste heat to perform the ... -
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 ... -
Laboratory testing of full-scale pipes partially embedded in soil to study soil-pipe interaction of offshore seabed oil and gas pipelines - Initial observations
( American Society of Mechanical Engineers (ASME) , 2014 , Conference Paper)The geotechnical aspect of the design of off-shore oil and gas pipelines is a challenge due to inherent uncertainties in predicting soil-pipe interaction behaviour. Physical modeling is often sought after to gain insight ...