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- 235Mechanical Engineering, Department of/Journal Articles (Mechanical Engineering)
- 1Earth and Atmospheric Sciences, Department of
- 1Earth and Atmospheric Sciences, Department of/Journal Articles (Earth and Atmospheric Sciences)
- 1Physics, Department of
- 1Physics, Department of/Journal Articles (Physics)
- 52Kumar, Amit
- 46Hogan, James D.
- 30Carey, Jason P.
- 17Major, Paul W.
- 15Hogan, James
- 13Melenka, Garrett W.
- 12Life Cycle Assessment
- 8Brittle failure
- 8Digital image correlation
- 8Dynamic fragmentation
- 7Boron carbide
- 7GHG Emissions
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Gravity currents propagating up a slope in a two-layer fluid
2004
Sutherland, B.R, Marleau, L. J., Flynn, M.R.
Gravity currents produced by partial-depth lock-release and travelling along the base of a two-layer stratified ambient are investigated as they propagate along a rising slope. The initial gravity current front speed is found to be consistent with a theory adapted from Shin et al. [“Gravity...
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2014
Marleau, L. J., Sutherland B.R., Flynn, M.R.
Bottom propagating gravity currents resulting from full- and partial-depth lock-release experiments are investigated as they approach and then propagate up a rising slope. Consistent with the prediction of a WKB-like theory, the gravity current front decelerates in a nearly uniform manner along...
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Greenhouse gas abatement costs of hydrogen production from underground coal gasification (UCG)
Download2015-01-01
Verma, Aman, Olateju, Babatunde, Kumar, Amit
The demand for hydrogen is likely to increase in the next decade to satisfy the projected growth of the bitumen upgrading industry in western Canada. This paper presents greenhouse gas (GHG) abatement costs and the GHG abatement potential in producing hydrogen from underground coal gasification...
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2017-01-01
Subramanyam, Veena, Kumar, Amit, Ahiduzzaman, Md
This study was conducted to identify energy efficiency improvement options and assess these opportunities in terms of potential of energy savings and greenhouse gas (GHG) mitigation for the commercial and institutional sector. In addition, associated GHG abatement cost (GHGAC) curves were...
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Growth and Characterization of Metastable Hexagonal Nickel Thin Films via Plasma-Enhanced Atomic Layer Deposition
Download2017-07-01
Motamedi, Pouyan, Bosnick, ken, Cui, Kai, Cadien, Ken, Hogan, James D.
There is a great interest in various branches of the advanced materials industry for the development of novel methods (and improvements to existing ones) for the deposition of conformal ultrathin metallic films. In most of these applications, like enhanced solar absorbers and microelectronics,...
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2018-01-01
Bhagavathula, Kapil Bharadwaj, Azar, Austin, Ouellet, Simon, Satapathy, Sikhanda, Dennison, Christopher R., Hogan, James D.
Polymeric foams are an essential part of personal protection equipment, such as helmets and body armor. In this work, the authors study the strain-rate dependent behavior of a dilatant polymeric foam, focusing on developing characterization and testing methodologies needed to better understand...
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High strength particulate aluminum matrix composite design: Synergistic strengthening strategy
Download2021-06-01
Shao, Chenwei, Lo, Calvin, Bhagavathula, Kapil, McDonald, André, Hogan, James D.
Aluminum-alumina (Al–Al2O3) composites with ultrahigh strength were designed by combining dispersion strengthening via the addition of Al2O3 particles and matrix strengthening via in situ strain hardening. Cold spraying additive manufacturing technology was applied to fabricate the composites....
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High-velocity impact failure modeling of Armox 500T steel: Model validation and application to structural design
Download2023-01-01
Mao, Kyle, Toussaint, Geneviève, Komrakova, Alexandra, Hogan, James D.
As an advanced fracture model, the Generalized Incremental Stress State dependent damage MOdel (GISSMO) provides non-linear damage accumulation formulation to better predict ductile fracture initiation associated with a wider range of material stress states. In this study, we simulate the...
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Hybrid Finite-Discrete Element Modeling of the Mode I Tensile Response of an Alumina Ceramic
Download2023-03-13
Zheng, Jie, Li, Haoyang, Hogan, James D.
We have developed a three-dimensional hybrid finite-discrete element model to investigate the mode I tensile opening failure of alumina ceramic. This model implicitly considers the flaw system in the material and explicitly shows the macroscopic failure patterns. A single main crack perpendicular...
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2017-01-01
Kumar, Mayank, Olagire Oyedun, Adetoyese, Kumar, Amit
This study explores the hydrothermal liquefaction (HTL) of wood chips to bio-crude followed by upgrading to diluents, which are used to transport bitumen through pipelines. In this study, we considered a 2000 dry t day-1 plant capacity with two scenarios. The first scenario uses hydrogen for...