ME Research Publications
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Recent progress of graphene-based photoelectrode materials for dye-sensitized solar cells
(Hindawi, Ltd., 2019-03-26)Graphite with a single atomic layer known as graphene shows great capability in energy conversion and storage devices. Dye-sensitized solar cells (DSSCs) have attracted intense interests due to offering high photo-to-electric ... -
Nanosecond pulsed laser surface nanotexturing of tantalum: Correlation between diffusion length model and experimental observations
(Laser Institute of America, 2019-05-01)The diffusion length of surface textured tantalum using AVIA 355® nanosecond laser was correlated with the different laser parameters. The material was cut into 1 × 1 cm 2 coupons and was exposed to the laser beam of various ... -
Turbulent multi-jet air impingement for applications in commercial cooking
(ASME, 2018)Convective heat transfer coefficient and its interdependency with various key parameters is analyzed for turbulent multi-jet impingement. Air is used as the working fluid impinging on the flat surface via a three-nozzle ... -
Optimization of turbulent air jet impingement for energy efficient commercial cooking
(Elsevier, 2019-02)Thermally balancing and optimizing performance of conveyor ovens is a complicated problem requiring a thorough understanding of multiple turbulent air jet impingement. A 3D model of a conveyor oven is created. Number of ... -
Continuous distraction osteogenesis device with MAAC controller for mandibular reconstruction applications
(BioMed Central Ltd., 2019-04-08)Background: Distraction osteogenesis (DO) is a novel technique widely used in human body reconstruction. DO has got a significant role in maxillofacial reconstruction applications (MRA); through this method, bone defects ... -
Lumbar load attenuation for rotorcraft occupants using a design methodology for the seat impact energy-absorbing system
(Springer-Verlag Wien, 2012-06-09)Aircraft occupant crash-safety considerations require a minimum cushion thickness to limit the relative vertical motion of the seat-pelvis during high vertical impact loadings in crash landings or accidents. In military ... -
Delamination of impacted composite structures by cohesive zone interface elements and tiebreak contact
(Springer-Verlag Wien, 2012-05-21)Maximising impact protection of fibre reinforced plastic (FRP) laminated composite structures and predicting and preventing the negative effects of impact on these structures are paramount design criteria for ground and ... -
Optimal vibration control and energy scavenging using collocated nonlinear energy sinks and piezoelectric elements
(ASME, 2018-11)This paper presents an optimal design for a system comprising multiple nonlinear energy sinks (NESs) and piezoelectric-based vibration energy harvesters attached to a free–free beam under shock excitation. The energy ... -
Layout of phase change materials in a thermal energy storage system
(ASME, 2018)The objective of this work is to investigate the performance of a thermal energy storage system using multiple phase change materials (PCMs). This study is based on latent heat thermal energy storage. Three phase change ... -
Material characterization and bioanalysis of hybrid scaffolds of carbon nanomaterial and polymer nanofibers
(ACS, 2019-03-08)The interconnected porous structures that mimic the extracellular matrix support cell growth in tissue engineering. Nanofibers generated by electrospinning can act as a vehicle for therapeutic cell delivery to a neural ... -
Effects of graphene oxide thin films and nanocomposite coatings on flame retardancy and thermal stability of aircraft composites: a comparative study
(ASME, 2019-03-11)A polymer matrix system of thermoset fiber-reinforced composites helps protect its high modulus and strength fibers from an adverse environment and transfers the load to the reinforced fibers. However, when subjected to a ... -
Chemical functionalization of helical carbon nanotubes: influence of sonication time and concentrations of sulfuric and nitric acids with 3:1 mixing ratio
(Hindawi, 2019-02-26)Carbon nanotubes (CNTs) with straight geometries have been widely studied for various engineering applications, and they are often treated or functionalized to improve their effectiveness, depending on their role and ... -
Mechanics of a curved electrode actuator operating in viscous dielectric media: simulation and experiment
(Springer Berlin Heidelberg, 2019)Curved electrode electrostatic actuators have been shown to have the potential to manipulate microparticles at high speeds in viscous dielectric media. However, there are no multiphysics models that fully describe the ... -
Sustained releasing of methotrexate from injectable and thermosensitive chitosan-carbon nanotube hybrid hydrogels effectively controls tumor cell growth
(American Chemical Society, 2019-02-22)Injectable thermosensitive hydrogels have been widely investigated for drug delivery systems. Chitosan (CH) is one of the most abundant natural polymers, and its biocompatibility and biodegradability make it a favorable ... -
Introducing graphene thin films into carbon fiber composite structures for lightning strike protection
(John Wiley and Sons, 2019-01)The research and development of graphene and graphene-based materials have been significantly increasing since they were invented. However, in many industries, the applications of graphene nanoflakes are still few, compared ... -
Automated scanning techniques using UR5
(Hindawi, 2019-02-03)This study seeks to advance technologies pertaining to integration of low-cost collaborative robots to perform scanning operations where moderate accuracy is needed. Part inspection is an almost universal aspect of ... -
Modeling and control of a 2-DOF dielectric elastomer diaphragm actuator
(IEEE, 2019-02)In optical systems, reflectors are commonly used for directing light beams to desired directions. In this paper, a dielectric elastomer (DE) based optical manipulator is developed for two degrees-of-freedom (2-DOF) ... -
Enhancing fire and mechanical strengths of epoxy nanocomposites for metal/metal bonding of aircraft aluminum alloys
(John Wiley and Sons, 2019-02-14)Epoxy adhesives have a wide range of applications in aerospace, automotive, marine, and construction industries. Epoxies reduce the weight of a structure by minimizing the use of fasteners. With the application of epoxy ... -
The effect of working fluid properties on the performance of a miniature free piston expander for waste heat harvesting
(Elsevier, 2019-03-25)Power generation from waste heat sources at the miniature length scales may be generated by using phase change working fluids (liquid-to-vapor) in a traditional boiler-expander-condenser-pump system. This paper builds on ... -
Polyurethane nanocomposite coating with silanized graphene and hexagonal boron nitride as nanoadditives for improved resistance against ultraviolet degradation
(SAGE, 2018-09-14)Polyurethane coatings modified with silanized graphene and/or hexagonal boron nitride as nanoadditives were synthesized, characterized, and tested for ultraviolet degradation and hydrophobicity. These coatings containing ...
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