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Skip to Search Results- 3Degeling, Alex W.
- 2Rankin, Robert
- 1ALBAHLANI, ALMUATASIM MOHAMMED
- 1Alex Potapov
- 1Alizadehgiashi, Moien
- 1Athar, Khan S
- 30Graduate and Postdoctoral Studies (GPS), Faculty of
- 30Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 3Physics, Department of
- 3Physics, Department of/Journal Articles (Physics)
- 2Biological Sciences, Department of
- 2Biological Sciences, Department of/Journal Articles (Biological Sciences)
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Fall 2015
Athabasca Bitumen and other heavy hydrocarbon resources are high-mean-molar-mass and structured organic materials with complex phase behaviors at the nano- and micro- meter length scales. Diffusion of light hydrocarbons, and non-hydrocarbons in these resources is of significant interest as new...
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Fall 2014
Diffusion magnetic resonance imaging (dMRI) measures the diffusion (i.e. random molecular motion) of water. Since the motion of water is inhibited by cellular membranes, dMRI provides insight into the microstructural characteristics of the tissue. However, distinguishing between small anatomical...
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Fall 2010
Structural brain changes occur in a complex manner throughout life, and understanding healthy brain development is crucial for the study of brain abnormalities in various conditions. Diffusion tensor imaging (DTI) is an advanced magnetic resonance imaging technique that provides information about...
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2008
Kabin, Konstantin, Rankin, Robert, Ozeke, Louis G., Degeling, Alex W., Mann, Ian R.
The adiabatic drift-resonant interaction between relativistic, equatorially mirroring electrons and narrowband, Pc 5 ultra low frequency (ULF) waves in the magnetosphere is investigated using a time-dependent magnetohydrodynamic (MHD) wave model. Attention is focused on the effect of a ULF wave...
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Effects of Negative Valve Overlap on HCCI Combustion and its use in the Control of HCCI Combustion Timing
DownloadFall 2014
Homogeneous charge compression ignition (HCCI) combustion can produce higher efficiencies and lower emissions when compared to tradition spark or compression ignition engines. This study reports an experimental investigation into the effects of valve timings on HCCI combustion conditions. Using a...
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Fall 2012
An experimental single cylinder engine with variable valve timing is used to study spark ignition and homogeneous charge compression ignition (HCCI). The discrete wavelet transform, on a single cylinder engine with a cam-phasing head, is used in real time for knock detection in HCCI. Classical...
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Estimating Diffusion Coefficients And Visualizing Interactions In Propane-Heavy Oil Systems
DownloadSpring 2019
Unconventional oil (mainly heavy oil, extra heavy oil and bitumen) represents a significant share of global oil reserves. Due to their high viscosity, efficient recovery of oil from these reserves is challenging and remains an issue of ongoing global research. Thermal recovery methods are...
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2014-01-01
Alex Potapov, Ulrike E. Schlagel, Mark A. Lewis
We use an evolutionary approach to find “most appropriate” dispersal models for ecological applications. From a random walk with locally or nonlocally defined transition probabilities we derive a family of diffusion equations. We assume a monotonic dependence of its diffusion coefficient on...