Mechanical Engineering
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Novel Reconfigurable Delta Robot Dual-Functioning as Adaptive Landing Gear and Manipulator
(2019-07-02)In this work a novel dual-functioning rotorcraft undercarriage is developed. The design is a reconfigurable delta robot which allows for transformation between Adaptive Landing Gear for vertical take-off and landing and ... -
3D Printing of Continuous Wire Polymer Composite for Mechanical and Thermal Applications
(2019-07-02)Recently, continuous fiber reinforcement has been combined with 3D printing techniques such as fused filament fabrication to create stronger and stiffer printed composite components. The continuous nature of the reinforcing ... -
Fabrication and Characterization of Self-Sensing Nanocomposite - "Smart Skin"
(2019-03-05)This study characterizes the behaviour and properties of self-sensing polymer nanocomposite. Specifically, we studied the Electrical, Mechanical and Piezoresistive properties. Electrically the material is conductive with ... -
In Pursuit of an Optimum Optical Imaging Technology for Early Detection of Dental Caries
(2019-03-05)Clinical caries detection techniques, such as radiographs, are not sensitive to detect and monitor the progression of caries at early stages. In recent years, several optics-based imaging modalities have been proposed for ... -
Oscillating Dispersed-Phase Co-Flow Microfluidic Droplet Generation: Effects on Jet Length and Droplet Size
(2019-03-05)Droplet-based microfluidics have emerged as versatile platforms offering unique advantages in biology and chemistry. Although there is adequate control on size and monodispersity, most conventional microfluidic techniques ... -
Microfluidic Devices for Investigation of Zebrafish Larvaes Electrotaxis and their Applications to Dopamine System Studies
(2019-03-05)Zebrafish (Danio rerio) have been used as a model organism for behavioral screening assays due to their high genetic homology with humans. However, research on zebrafish sensory-motor responses to electrical stimuli, called ... -
Micro-and-Nanostructuring of Polyvinylidene Fluoride with Tailored Crystal Polymorphs and Enhanced Piezoelectric Property
(2018-11-21)Polyvinylidene fluoride (PVDF) has garnered interest due to its piezoelectric property and as a non-toxic, conformable, and low-cost alternative to the popular piezoelectric ceramic. A novel processing method through the ... -
Drop Impact on an Inclined and a Moving Surface
(2018-11-21)This thesis has made progress in two different areas related to drop impact onto a surface. Firstly, a systematic experimental study has been performed to understand asymmetric spreading of low and high surface tension ... -
Thermal Fe Analysis of Powder Bed Fusion Process: Power Input Evaluation and Parameter Sensitivity
(2018-11-21)We investigated the thermal behavior of the powder bed fusion (PBF) manufacturing process. Specifically, a finite element thermal analysis procedure was developed to simulate selective laser melting, one of several PBF ... -
Preparation and Characterization of Bio-based PCM Microcapsules for Thermal Energy Storage
(2018-11-21)Phase change materials (PCM) have gained extensive attention in thermal energy storage applications. During their phase transition, the energy can be stored in or released from PCM. While changing from solid state to liquid ... -
Shedding of Multiple Sessile Droplets
(2018-05-28)A droplet which is placed on a surface and is exposed to an airflow, can be shed, if the drag force overcomes the droplets adhesion force. Presence of other sessile droplets, in proximity, changes the drag force, so the ... -
Development of Thermoplastic Polyurethane-Hexagonal Boron Nitride Composite Foams with Enhanced Effective Thermal Conductivity
(2018-05-28)Thermoplastic polyurethane (TPU)-hexagonal boron nitride (hBN) composites fabricated by batch foaming were studied in this study. The results of this research demonstrated that by CO2 foaming it was possible to produce TPU ... -
Investigation of Secondary (Dean) Flows in Curved Microchannels and Application to Microparticle Sample Preparation
(2018-03-01)Exchanging the solution of microparticles from a complex source fluid to a target clean buffer is important for sample preparation in portable microfluidic and point-of-care diagnostic devices. Current portable solution ... -
Effective Mechanical Properties of 3D Structural Metamaterials
(2018-03-01)Recent advances in fabrication techniques have enabled the creation of novel materials with enhanced mechanical properties commonly known as metamaterials. They refer to materials consisting of a unit cell tessellated in ... -
Under Liquid Wetting Dynamics
(2017-07-28)Liquid drops wetting a surface kept in ambient air has been widely studied over the last few decades due to its manifold applications in technology and industry. However, for a surface kept submerged under-liquid, such ... -
Inertio- and Elasto-Magnetic Fractionation of Multiple Microparticles in Newtonian and Non-Newtonian Fluid
(2017-07-27)Sorting of microparticles and cells using microfluidic platforms has several applications in diagnosis, biotechnology, and medicine. However, the currently available microfluidic sorting techniques have one or more of the ... -
Asymmetric Behavior of a Drop Upon Impact onto a Surface
(2017-07-27)In this thesis, a systematic study was performed to understand drop impact onto hydrophilic and hydrophobic moving surfaces. Different systems (combination of liquids, surfaces, and drop impact conditions) were examined. ... -
Behavior of Liquid Bridges between Nonparallel Surfaces
(2017-07-27)Formation of liquid bridges between two solid surfaces is frequently observed in industry and nature, e.g. printing. When the two solid surfaces are not parallel (with dihedral angle between them), two significant phenomena ... -
Novel Techniques for Water Treatment
(2017-07-26)A rapid decline in the quality of drinking water sources across the world has emerged as a considerable threat to human life. Maintaining a continuous supply of clean drinking water is a challenging task in rural and ... -
Hybrid Microfluidic Devices For On-Demand Manipulation and Screening of Neurons and Organs of Small Model Organisms
(2017-07-26)Caenorhabditis elegans and Drosophila melanogaster are widely used model organisms for neurological and cardiac studies due to their simple neuronal and cardiac systems, genome similarity to humans, and ease of maintenance ...
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