Browsing Mechanical & Industrial Engineering by Title
Now showing items 273-292 of 1302
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Combustion Characteristics and Emissions of a Direct-Injection Diesel Engine Fueled with GTL Fuel Blends
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Gas to Liquids (GTL) is one of clean alternative fuels which loosely defined terms that is generally used to describe the chemical conversion of natural gas to some type of liquid products. As such, it excludes the production ... -
Combustion synthesis of bifunctional LaMO3 (M = Cr, Mn, Fe, Co, Ni) perovskites for oxygen reduction and oxygen evolution reaction in alkaline media
( Elsevier B.V. , 2018 , Article)Lanthanum based electrocatalytically active LaMO3 (M = Cr, Mn, Fe, Co, Ni) perovskites were synthesized using a single step solution combustion technique. The structural and morphological properties of the catalysts were ... -
Combustion synthesized nickel-cobalt catalyst deactivation by coking during ethanol decomposition reaction
( American Institute of Chemical Engineers , 2019 , Conference Paper)In this work, we report the catalytic dehydrogenation of ethanol over porous cobalt oxide and nickel-cobalt bimetal oxide (NiCoO2). Catalyst deactivation and the nature of carbon formation on these two catalysts are ... -
Comfort-based fuzzy control optimization for energy conservation in HVAC systems
( Elsevier Ltd , 2014 , Article)The work presented herein illustrates the use of computational intelligence and optimization approaches for improving the fuzzy controller's performance in architectural heating, ventilation, and air conditioning system ... -
Compact UWB band-notched antenna with integrated bluetooth for personal wireless communication and UWB applications
( MDPI AG , 2019 , Article)A compact band-notched UWB (Ultra-Wide Band) antenna with integrated Bluetooth is developed for personal wireless communication and UWB applications. The antenna operates at the UWB frequency band (3.1-10.6 GHz) as well ... -
Comparative exergy, multi-objective optimization, and extended environmental assessment of geothermal combined power and refrigeration systems
( Institution of Chemical Engineers , 2021 , Article)In the present work a comparative exergy analysis, multi-objective optimization, as well as extended environmental analysis of a geothermal-based power and refrigeration system, is carried out. Different arrangements with ... -
Comparison between contact and immersion ultrasonic techniques to evaluate longitudinal residual stress in friction stir welding of aluminum plates
( American Society for Nondestructive Testing , 2015 , Article)Ultrasonic stress measurement is a nondestructive technique that has increasingly been employed to evaluate the welding residual stress of different materials. This study compares contact and immersion ultrasonic waves ... -
Comparison between different measures to reduce cooling requirements of residential building in cooling-dominated environment
( Elsevier , 2014 , Article)In hot climate region like Arabian Peninsula, air conditioning systems are the major energy consumer. Therefore, there are compelling reasons to study the energy requirements in buildings sector to reduce the energy ... -
Comparison between microwave and conventional sintering on the properties and microstructural evolution of tetragonal zirconia
( Elsevier Ltd , 2018 , Article)In this research, the comparison between microwave sintering and conventional sintering on the mechanical properties and microstructural evolution of 3 mol% yttria-stabilised zirconia were studied. Green bodies were compacted ... -
Comparison between variable and constant refrigerant flow air conditioning systems in arid climate: Life cycle cost analysis and energy savings
( MDPI , 2021 , Article)All over the world, there is a call to encourage sustainable energy thinking and implementation. There is an urgent need to consider sustainable solutions in any design projects that are able to reduce energy consumption. ... -
Comparison of 1D and 3D heat and mass transfer models of a counter flow dew point evaporative cooling system: Numerical and experimental studyÉtude comparative numérique et expérimentale de modèles de transfert de chaleur et de masse 1D et 3D d’un système de refroidissement évaporatif à point de rosée à contre-courant
( Elsevier Ltd , 2019 , Article)In this study, the performance of a counter flow dew point evaporative cooling system has been examined, numerically and experimentally. A one-dimensional (1D) model of the heat and mass transfer in the cooling system is ... -
Comparison of various functionally graded femoral prostheses by finite element analysis
( Hindawi , 2014 , Article)This study is focused on finite element analysis of a model comprising femur into which a femoral component of a total hip replacement was implanted. The considered prosthesis is fabricated from a functionally graded ... -
Comparison study of metal oxides (CeO2, CuO, SnO2, CdO, ZnO and TiO2) decked few layered graphene nanocomposites for Dye-Sensitized solar cells
( MDPI AG , 2021 , Article)Recent research is focused on few layered graphene (FLG) with various metal oxides (MOs) as (MOs; CeO2, CuO, SnO2, CdO, ZnO, and TiO2) nanocomposite materials are alternatives to critically important in the fabrication of ... -
Comparisons of replacement policies with periodic times and repair numbers
( Elsevier Ltd , 2017 , Article)Periodic replacement policies modeled with the history of minimal repairs have been studied extensively. However, in the viewpoint of cost rate, there is no literature to compare replacement polices which are carried out ... -
Comparisons of standby and parallel systems in reliability, replacement, scheduling and application
( SAGE Publications Ltd , 2016 , Article)This paper compares the standby and parallel systems through the following analyses: reliability measures such as reliabilities, mean times to failure, and failure rates are first compared. These comparisons are reconsidered ... -
Composite Hat Structure Design for Vehicle Safety: Potential Application to B-Pillar and Door Intrusion Beam
( MDPI , 2022 , Article)Regarding crashworthiness, many published works have focused on designing thinwalled structures for frontal collisions compared to side-impact collisions. This paper presents an experimental investigation and finite element ... -
Composite Plastic Hybrid for Automotive Front Bumper Beam
( MDPI , 2023 , Article)The bumper beam is a crucial component of the automobile bumper system, responsible for absorbing impact energy and enhancing the safety of passengers during collisions. This paper presents the design and experimental ... -
Composite sandwich structures for crashworthiness applications
(2007 , Article)Fibre-reinforced polymer sandwiches are promising materials for reducing vehicle mass, thereby improving the fuel economics. Nonetheless, to fully explore these materials as the primary structures and energy absorbers in ... -
Comprehensive assessment and evaluation of correlations for gas-oil ratio, oil formation volume factor, gas viscosity, and gas density utilized in gas kick detection
( Elsevier B.V. , 2021 , Article)For reliable gas kick detection modeling and simulation, the PVT properties of the gas must be predicted accurately. The property correlations available in open literature are developed mostly for certain regions and ... -
Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy-combustion supercritical CO2 intercooled and reheated cycles under design and off-design conditions
( Wiley-Blackwell , 2022 , Article)This study presents comprehensive energetic, exergetic, exergoeconomic, and economic (4E) performance analyses for four direct oxy-combustion (DOC) supercritical carbon dioxide (sCO2) power cycles at design, off-design, ...