Now showing items 6977-6996 of 7152

    • Vacuum Brazing of Carbon Nanotube Strands 

      Wu, Wei (University of Waterloo, 2009-08-28)
      Carbon nanotubes (CNTs) discovered at 1991 have attracted great interest for applications in Nano-Electro-Mechanical-Systems (NEMS). However, the search for methods to join CNTs with metallic parts has been a worldwide ...
    • Validation and Parameter Estimation of a Behaviour-Modification Model 

      Parsotam, Nikesh (University of Waterloo, 2015-07-09)
      In this thesis, an attempt at validating and identifying parameters of a quantitative model of attitudes and behaviours is presented. The model, established in earlier work, describes the dynamics of a subject's attitude ...
    • Validation Methodologies for Construction Engineering and Management Research 

      Liu, Jiali (University of Waterloo, 2013-07-19)
      Validation of results is an important phase in the organization of a researcher’s work. Libraries and the internet offer a number of sources for guidance with respect to conducting validation in a variety of fields. However, ...
    • Validation of Volumetric Contact Dynamics Models 

      Boos, Michael (University of Waterloo, 2011-05-05)
      A volumetric contact dynamics model has been proposed by Gonthier et al. [1, 2, 3] for the purpose of rapidly generating reliable simulations of space-based manipulator contact dynamics. By assuming materials behave as a ...
    • Valuation of in-situ Building Materials for Resource Recovery 

      Mollaei, Aida (University of Waterloo, 2024-02-08)
      The construction industry is among the largest contributors to global raw material consumption and is responsible for 40% of annual greenhouse gas emissions. Recovery of building materials at the end of a building's life, ...
    • The Value of Ornament 

      Lord, Andrew (University of Waterloo, 2019-09-19)
      This thesis recognizes ornament as not simply an excessive accessory, but an innate human desire to imbue objects with beauty and meaning. Ornament’s prominence throughout disparate architectures regardless of culture, ...
    • (VANET IR-CAS): Utilizing IR Techniques in Building Context Aware Systems for VANET 

      Nassar, Lobna (University of Waterloo, 2015-12-18)
      Most of the available context aware dissemination systems for the Vehicular Ad hoc Network (VANET) are centralized systems with low level of user privacy and preciseness. In addition, the absence of common assessment models ...
    • VAPEX Experiments in an Annular Packing of Glass Beads and the Numerical Simulation of VAPEX using Comsol® 

      Tam, Sindy (University of Waterloo, 2007-09-26)
      Vapour Extraction (VAPEX) is an in-situ bitumen recovery technique that utilizes light hydrocarbons to reduce the viscosity of bitumen. The mechanism of VAPEX is governed by the mass transfer of light hydrocarbons into ...
    • Vapour Diffusion Control in Framed Wall Systems Insulated with Spray Polyurethane Foam 

      Smith, Rachel Cecilia (University of Waterloo, 2009-04-30)
      The Intergovernmental Panel on Climate Change (IPCC) estimates that buildings account for 40% of the global energy use. The IPCC believes substantial improvements to building efficiency can be implemented easily by improving ...
    • Varactor-Based Tunable Planar Filters and Post-Fabrication Tuning of Microwave Filters 

      Rezazadeh Sereshkeh, Alborz (University of Waterloo, 2012-10-25)
      Post-fabrication tuning of filters is usually realized by adding number of elements for tuning the frequency and/or controlling the couplings between the resonators. The task of these tuning elements is to control resonators ...
    • Variability-Aware Design of Static Random Access Memory Bit-Cell 

      Gupta, Vasudha (University of Waterloo, 2008-07-03)
      The increasing integration of functional blocks in today's integrated circuit designs necessitates a large embedded memory for data manipulation and storage. The most often used embedded memory is the Static Random Access ...
    • Variability-Aware Design of Subthreshold Devices 

      Jaramillo Ramirez, Rodrigo (University of Waterloo, 2007-08-10)
      Over the last 10 years, digital subthreshold logic circuits have been developed for applications in the ultra-low power design domain, where performance is not the priority. Recently, devices optimized for subthreshold ...
    • Variable Splitting as a Key to Efficient Image Reconstruction 

      Dolui, Sudipto (University of Waterloo, 2012-09-25)
      The problem of reconstruction of digital images from their degraded measurements has always been a problem of central importance in numerous applications of imaging sciences. In real life, acquired imaging data is typically ...
    • Variable-Structure Cable-Driven Parallel Robots 

      Rushton, Mitchell (University of Waterloo, 2022-05-16)
      Cable-driven parallel robots (CDPR) are a special class of robotic manipulators consisting of a rigid end effector suspended, constrained, and actuated by a number of length-varying cables. Since cable mass is typically ...
    • Variations on a Theme of Deep Time: From Geology to Architecture 

      Winter, Mathew Jeffrey Franklin (University of Waterloo, 2015-08-27)
      Through the lens of deep time, this thesis draws a comparison between geology and architecture, to create an architecture of simultaneity. Using Henri Bergson’s notion of the present containing all of the past within it, ...
    • Variations on Acoustophoretic Microchannels: From the Facile to the Highly Capable 

      Samarasekera, Champika (University of Waterloo, 2018-05-31)
      The lab-on-a-chip toolkit is replete with techniques for microparticle manipulation. The use of ultrasonic waves to impart forces on particles, referred to as acoustophoresis, is one particularly powerful yet gentle option. ...
    • Various aspects of single bacterial cell: from encapsulating nanoparticle, cell patterning and studying gene expression 

      Seo, Brandon(BumSok) (University of Waterloo, 2016-11-15)
      Behaviour of single bacterium have been mysterious for many years due to the technical difficulty and nature of bacteria forming communities. It has not been long since engineers and scientists have started to develop ...
    • Vehicle Battery Pack Design and Considerations for Repurposing 

      Gaffney, Benjamin (University of Waterloo, 2015-09-28)
      The market for hybrid and electric vehicles is expanding with the rise of gas prices and desires to curb climate change. With the creation of these complex systems comes the development of advanced battery systems which ...
    • Vehicle Dynamic and Control of Constrained Multi-Actuation Systems at the Limits of Handling 

      Mashrouteh, Shamim (University of Waterloo, 2021-03-17)
      With recent advances in electric vehicles, having electric motors directly driving the wheels is gaining attraction. When a vehicle is equipped with four independent electric hub motors or independently controlled brakes ...
    • Vehicle Dynamic Modelling and Parameter Identification for an Autonomous Vehicle 

      Van Gennip, Matthew (University of Waterloo, 2018-12-19)
      For autonomous vehicles to be feasible, a fast and accurate model of the vehicle dynamics is required due to the complexity of the task. There are many different aspects to a driverless vehicle, including path planning, ...

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