Browsing Mechanical & Industrial Engineering by Title
Now showing items 1080-1099 of 1269
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Spark ignition of a turbulent shear-less fuel-air mixing layer
( Elsevier Ltd , 2016 , Article)A planar methane-air mixing layer with equal velocity in the two streams has been used to examine the ignition probability and the non-premixed edge flame speed following spark ignition. The mixing layer has approximately ... -
Spatial mapping of cancer tissues by OMICS technologies
( Elsevier B.V. , 2022 , Article)Spatial mapping of heterogeneity in gene expression in cancer tissues can improve our understanding of cancers and help in the rapid detection of cancers with high accuracy and reliability. Significant advancements have ... -
Spectral method solutions of a variable aspect ratio duct flow in a uniform transverse magnetic field with two different thermal boundary conditions
( Elsevier , 2020 , Article)© 2020 The Author(s) A laminar electrically-conducting flow inside an electrically-insulated rectangular duct in a uniform transverse magnetic field with both uniform surface temperature and uniform heat flux boundary ... -
Spiderweb Honeycombs
( Elsevier Ltd , 2015 , Article)Small and large deformation in-plane elastic response of a new class of hierarchical fractal-like honeycombs inspired by the topology of the “spiderweb” were investigated through analytical modeling, detailed numerical ... -
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 ... -
Stakeholder's perception of service quality: a case in Qatar
( Emerald Group Holdings Ltd. , 2019 , Article)Purpose: The purpose of this paper is to investigate and report students' perception of service quality in a university by examining the perceptual context of service quality with respect to students' loyalty behavior, ... -
Stakeholders' roles in virtual project environment: A case study
( Elsevier , 2011 , Article)The rising cost of resources within an organization, increasing capability of information technology, the need to conduct project at different places and availability of competent and inexpensive manpower elsewhere have ... -
Stakeholder’s perception of service quality: a case in Qatar
( Emerald Group Publishing Ltd. , 2019 , Article)Purpose The purpose of this paper is to investigate and report students’ perception of service quality in a university by examining the perceptual context of service quality with respect to students’ loyalty behavior, ... -
Standing Wheelchair with Built-in Climate Control System
( Qatar University Press , 2021 , Poster)This project presents an innovation to be developed in wheelchairs used nowadays to provide its users with better life quality, elevates the level of their ambitions and to enable them to overcome today's special needs ... -
Static fracture and modal analysis simulation of a gas turbine compressor blade and bladed disk system
( Springer , 2016 , Article)This paper presents a methodology for conducting a 3-D static fracture analysis with applications to a gas turbine compressor blade. An open crack model is considered in the study and crack-tip driving parameters are ... -
Statistical and optimize of lattice structures with selective laser melting (SLM) of Ti6AL4V material
( Springer Verlag , 2018 , Article)© 2018, Springer-Verlag London Ltd., part of Springer Nature. This paper investigates the properties of titanium alloy (Ti6Al4V) lattice structures fabricated via selective laser melting (SLM). Response surface method (RSM) ... -
Stem cell-based approaches in cardiac tissue engineering: controlling the microenvironment for autologous cells
( Elsevier , 2021 , Article)Cardiovascular disease is one of the leading causes of mortality worldwide. Cardiac tissue engineering strategies focusing on biomaterial scaffolds incorporating cells and growth factors are emerging as highly promising ... -
Stem cells based in vitro models: Trends and prospects in biomaterials cytotoxicity studies
( IOP Publishing Ltd , 2021 , Article)Advanced biomaterials are increasingly used for numerous medical applications from the delivery of cancer-targeted therapeutics to the treatment of cardiovascular diseases. The issues of foreign body reactions induced by ... -
Stochastic analysis of interphase effects on elastic modulus and yield strength of nylon 6/clay nanocomposites
( Springer Netherlands , 2019 , Article)The multifunctional properties of polymer clay nanocomposites (PCNs) can be related to the interaction of clays, polymer and interphase region. Several experimental, analytical and numerical studies have been conducted to ... -
Stochastic Capacity Acquisition and Allocation Model for Bandwidth Brokers under Fuzzy Volume Based Pricing Scheme
( Taylor and Francis Ltd. , 2016 , Article)In this paper, bandwidth acquisition and allocation problem of a telecommunications Bandwidth Broker (BB) is analyzed under uncertain end-user capacity requests and pay-per-byte (volume) based pricing policy. Furthermore, ... -
Stochastic fuzzy multi-objective backbone selection and capacity allocation problem under tax-band pricing policy with different fuzzy operators
( Springer Verlag , 2017 , Article)In this paper, we investigate a multi-objective optimization problem that a telecom bandwidth broker (BB) faces when acquiring and selling bandwidth in an uncertain market environment in which there exists several backbone ... -
Storage of energy harvested from a miniature turbine in a novel organic capacitor
( Elsevier Ltd , 2016 , Article)The potential of harvesting energy generated from a (5-cm) miniature wind turbine and storing the charge in a novel organic capacitor is experimentally investigated. The energy is generated by subjecting the wind turbine ... -
Strain gradient based dynamic response analysis of heterogeneous cylindrical microshells with porosities under a moving load
( Institute of Physics Publishing , 2019 , Article)Forced vibration of a porous functionally graded (FG) cylindrical microshell due to a moving point load with constant velocity is studied for the first time. Through the thickness of microshell, there are even-type or ... -
Strain, Pressure, Temperature, Proximity, and Tactile Sensors from Biopolymer Composites
( Elsevier Inc. , 2017 , Book chapter)The ultimate biodegradability and eco-friendly usage have made the biocomposite materials applicable in almost every area of science, technology, and industry. Sensors are a prominent field of electronics and many composites ... -
Strategies of enzyme immobilization on nanomatrix supports and their intracellular delivery
( Taylor and Francis Ltd. , 2020 , Article)Enzymes are one of the foundations and regulators for all major biological activities in living bodies. Hence, enormous efforts have been made for enhancing the efficiency of enzymes under different conditions. The use of ...