Browsing Theses by Supervisor "Wen, John"
Now showing items 1-12 of 12
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Analysis of Iron Precursor Assisted Emission Reduction in Counterflow Methane Diffusion Flame
(University of Waterloo, 2017-08-30)Addition of metallic precursors to flames draws interest due to their potential ability to catalyze hydrocarbon combustion by means of supplemental gas phase and surface reactions. A counterflow flame burner is utilized ... -
Continuum Modelling of Al/CuO Nanothermite Pellet Combustion
(University of Waterloo, 2020-06-15)Nanothermite mixtures are made up of nano-sized metallic fuel and inorganic oxidizer components. As this solid mixture represents a metastable intermolecular composite, an increase in nanothermite temperature can initiate ... -
Designing Intelligent Energy Management and Cost-effective Data Acquisition for Vehicular Solar Idle Reduction Systems
(University of Waterloo, 2019-09-23)In this study, an innovative energy management system (EMS) employing the promising reinforcement learning (RL) method is proposed. The EMS intelligently administrates the power flow between the main battery which is fed ... -
Development of Active and Stable Nanostructured Ceria-based Catalysts for Soot Oxidation
(University of Waterloo, 2019-09-25)The focus of this thesis is to improve catalytic activity and stability of ceria-based catalysts for soot oxidation. The main objective was to develop an inexpensive, active and stable catalyst through iron and samarium ... -
Dissimilar joining of Carbon/Carbon composites to Ti6Al4V and copper by reactive resistance spot welding
(University of Waterloo, 2017-08-30)This study aims to develop an innovative and user-friendly method for dissimilar joining of the carbon/carbon (C/C) composites to Ti6Al4V and copper through reactive resistance spot welding to form the hybrid structures. ... -
Fabrication and Energetic Characterization of Al/Cu2O Nano-Laminate Thermite
(University of Waterloo, 2021-01-06)Thermites are a class of material which utilizes the oxidation/reduction reaction of the metal fuel and metal/non-metal oxide to produce heat. Thermite materials are used in a variety of applications including welding, ... -
Fabrication and energetic characterization of micro and nano sized Al/CuO core-shell particles
(University of Waterloo, 2019-05-24)Thermite is one type of energetic material which could release a large amount of heat through an oxidation-reduction reaction. Thermite material has a lot of application in joining, metal refining and propulsion. Al/CuO ... -
Heterogeneous Reactions of Micro and Nano Aluminum Particles with Various Oxidizers
(University of Waterloo, 2019-09-23)Micro and nano aluminum (Al) particles have drawn much attention for properties as metal fuels in energetic materials. Aluminum is the preferred metal due to its thermodynamic stability after long term storage, abundance ... -
Investigation on Reaction Mechanisms of Nano-energetic Materials and Application in Joining
(University of Waterloo, 2019-01-23)Nano-energetic materials, also known as metastable intermetallic composites (MICs), have shown promise in applications such as propellants, pyrotechnics, and explosives. The work in this thesis pursues a deep understanding ... -
Mineral Sequestration for Permanent CO2 Storage
(University of Waterloo, 2016-12-01)Mineral carbonation is one of the most appealing CO2 emission mitigation techniques capable of storing CO2, in the thermodynamically stable states. However, the technical mineralization process faces serious challenges, ... -
Molecular Dynamics Simulation for Nanoparticle-Surface Collision
(University of Waterloo, 2021-09-29)Nanoparticles are referred to as those particles with at least one dimension less than 100nm. Their small sizes lead to high surface area to volume ratios, which results in physi-cal and chemical properties different from ... -
Tailoring the Ignition and Reaction Properties of Cu2O Thermite Nanolaminates
(University of Waterloo, 2018-09-05)Thermites are a class of energetic material that produce heat through an exothermic reaction, making them useful for welding, metal refining, and propulsion applications. Compared to traditional micron-scale thermite ...