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Crisis Centre

Meet the 3MT participants

Faculty of Business and Information Technology

  • Ibtihal Ellawindy


    Computer Science (MSc)


    Shahram Heydari, PhD


    QoE and Importance for Multimedia Streaming

    The majority of Internet traffic nowadays is multimedia content such as on-demand video, video streaming and live video stream. Internet usage has shifted towards content-centric rather than host-centric. With such evolution, the need of quality measures has emerged. Quality of Experience (QoE) is one of the major measurements techniques used to quantify user perception of an application.

    My research is focused on Quality of Experience (QoE) of multimedia streaming over software defined networking (SDN). QoE is considered one of most important and hardest measurements as it is mostly focused on measuring the user-perceived experience and how users affect the multimedia streaming experience. QoE evaluation is a very challenging topic because of its complexity as well the presence of many interrelated influence factors, not only human but also from system and context perspective. QoE is considered a multi-dimensional construct.

    QoE is not some predefined criteria that can be generally used with all types of applications. QoE is context-oriented and defined by the domain that the application belongs to. Each application should have a set of identified QoE parameters that are important for its success.

    There are several factors that could affect QoE. Some of these factors can be identified, measured and impacts are known in advance. However, other factors cannot be predicted neither quantified as well it’s hard to forecast their impacts as it’s totally dependent on certain situations and factors. There are three main factors that influence QoE: human, system and context.

    ABOUT Ibithal

    I love traveling as it broadens your mind and lets you see life from a different perspective. I like to experience different cultures and learn about them. I like to hike especially mountains, as I believe nature can help you to regain your energy and clear your mind. I am passionate about fine dining and trying different food and cultures. I like to read thriller and mystery novels. And I love doing yoga.

Faculty of Energy Systems and Nuclear Science

  • Julie Kim


    Nuclear Engineering (MASc)


    Brian Ikeda, PhD and Jennifer McKellar, PhD


    Breaking the Nuclear Waste Taboo

    Public-friendly approach to understanding the real impacts of nuclear waste.

    Life Cycle Assessment (LCA) of the nuclear waste cycle reveals palpable values of environmental impact that both the industry and public can appreciate. While LCA has been widely applied to society's large waste processing streams (such as water, landfill and recycling), there has been little success in application to nuclear waste. This is due to a number of difficulties such as lack of data and variability of solutions. Despite the challenges, the outputs of LCA is a worthwhile inventory of the actual impacts of nuclear waste. The results may start to abridge sentiments towards nuclear waste which has long been stigmatized by society.

    ABOUT Julie

    Julie is an avid reader, a lover of naps (on sandy beaches), and an award-winning curler!

  • Enoch Li

    ProgramEnoch Li

    Nuclear Engineering (MASc)


    Glenn Harvel, PhD and Jennifer McKellar, PhD


    Advanced Electric Technology for Nuclear Industry

    Power electronics technology and DC electrical distribution system is one of the most advanced in power distribution systems which promises a lot of features that conventional AC systems cannot achieve. These features can benefit a nuclear power plant to improve its efficiency and safety. Therefore, a DC electrical system for a nuclear power plant  is designed , and the technological and economic comparisons show some significant potential improvements. However, there are sill a lot of technological and regulatory challenges that need to be addressed.

    ABOUT Enoch

    I play piano and try to learn a wide range of knowledge.

  • Alexander Miller

    ProgramAlexander Miller

    Nuclear Engineering (PhD)


    Rachid Machrafi, PhD


    Investigation of the Bubble Detector Response to Radiation in Space

    The radiation environment on board spacecraft includes a complex mixture of neutrons, photons, protons, heavy ions and other charged particles. The complexity of the radiation environment within spacecraft makes accurate measurements of radiation dose very difficult to achieve. Neutron radiation exposure is believed to be responsible for approximately 30 to 50 per cent of the total equivalent dose that astronauts receive. Neutrons are particularly hard to measure accurately since they are uncharged particles that interact with matter in many complicated ways, which vary significantly with incident energy. Super-heated droplet detectors are a class of radiation detectors that generate bubbles when exposed to high linear energy transfer (LET) radiation. Measurements with a specific class of super-heated drop detectors called bubble detectors have been used to evaluate equivalent dose due to neutrons in various space missions including the Matroshka-R radiation monitoring program on the International Space Station (ISS) and other spacecraft as well as the RaDI-N program on the ISS. The number of visible bubbles within a bubble detector after a given exposure is expected to be directly proportional to the total neutron dose. However, protons and other heavy charged particles on board spacecraft are a significant component of the high LET space radiation field and they definitely contribute to the production of visible bubbles. The response of bubble detectors to heavy ion irradiation present within spacecraft is not known. Furthermore, the calibration of bubble detectors is typically established by exposing the detectors to a known Americium Beryllium (AmBe) neutron field (with energies from 0 to 11 MeV). However, the space neutron field is considerably different from the AmBe field and consequently, the calibration used does not apply to space environments.

    In order to establish a reliable model of the bubble detector response to radiation in space environments, an accurate model of the mechanism of bubble formation has to be known. Current models assume that bubbles are formed as a result of radiation interactions that is above certain minimum LET threshold. But previous experiments cited in the literature have shown that the LET threshold may be different for different ions.

    The objectives of this thesis are to investigate the response of bubble detectors to high LET radiation encountered in space environments. In particular, to establish an effective physical model of the mechanism of bubble formation in these detectors based on their physical properties and the ion track structure and determine the contribution of neutrons, protons and heavy charged particles to measurements in space.

    ABOUT Alexander

    I am a PhD student in FESNS. Originally from the east coast, I did my undergrad in physics at Dalhousie University in Halifax, Nova Scotia. I would say that studying physics is the closest thing I have to a hobby!

Faculty of Engineering and Applied Science