Browsing by Author "MacDonald, Brendan"
Now showing items 1-12 of 12
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Active transport and concentration of analytes in microfluidic paper based analytical devices using ion concentration polarization
Crowley, Michael (2019-04-01)Microfluidic paper-based analytical devices (µPADs) have a high potential for miniaturizing complex testing functions, since they are inexpensive, disposable, and portable. Paper has the advantage over traditional fluid ... -
Analysis of heat transfer and fluid flow in an evaporating sessile droplet for evaporative cooling applications
Mahmud, Md. Almostasim (2015-08-01)Cooling is of critical importance for a number of fields, particularly in microelectronic devices and other miniaturized technology. The evaporation of the sessile liquid droplet facilitates the phase change of that liquid ... -
Analytical modelling of annular flow magnetorheological valves for advanced fluid control
Rizzi, Justin (2019-08-01)Magnetorheological valves have the potential to disrupt the fluid control industry with their numerous advantages over mechanical valves. The current design and development process of these valves largely leverages computer ... -
A CFD analysis of the pressure drop through misaligned Stirling engine regenerators
York, Brayden T. (2021-04-01)Experiments were conducted to discover the average misalignment in wire mesh regenerators, and it was found that regardless of the intended stacking arrangement, the average misalignment was 44% to 49%. A 3-dimensional CFD ... -
Characterization of fluid flow in paper-based microfluidic devices
Walji, Noosheen (2015-07-01)Paper-based microfluidic devices are being leveraged for application of diagnostic and detection technology in low-resource settings. In order to design a highly accurate device, a mathematical model is required to predict ... -
Comparison of the force and torque transfer for different cam profiles
Chutia, Arup J. (2021-09-01)This study presents static load and torque distribution measurements in groove cams for sinusoidal and cycloidal cam profiles. In this thesis, two different designs and apparatuses were developed and built for the static ... -
Enhancing the effectiveness of Stirling engine regenerators
Nielsen, Anders S. (2019-04-01)A discrete heat transfer model is developed to determine which parameters influence the effectiveness of Stirling engine regenerators and quantify how they influence it. It is revealed that the regenerator thermal mass ... -
Improving cold climate performance of heat pumps using market-available systems
Konrad, Mary Elizabeth (2022-10-01)Air source heat pumps are an excellent electric alternative to fossil fuel based heating systems for reducing residential greenhouse gas (GHG) emissions, but common mild climate systems suffer significant performance losses ... -
Increasing the efficiency of cam follower systems through energy recovery
Oishi, William (2019-08-01)A cam and follower system is a mechanical linkage designed to transform a rotating motion to that of a linear reciprocating motion. Cams are well known for valving in internal combustion engines but are commonly utilized ... -
Influence of forced convection on sessile droplet evaporation
Fung, Henry (2019-04-01)Evaporation is a phase change process with potential for achieving large heat transfer rates under high air temperatures due to the latent heat of vaporization. Bioin-spired artificial perspiration systems can leverage the ... -
Influence of sinusoidal motion on Stirling engines
Ranieri, Salvatore (2018-12-01)Stirling engines have a high potential to produce renewable energy due to their ability to use a wide range of sustainable heat sources and their high theoretical efficiencies. They have not yet achieved widespread use and ... -
Miniaturization of features in microfluidic paper-based analytical devices for user-friendly testing and diagnosis using small sample volumes
Mahmud, Md. Almostasim (2019-04-01)Microfluidic paper-based analytical devices (µPADs) are a promising platform for analytical testing, particularly for medical diagnosis. One of the main advantages of µPADs is the capacity for inexpensive, portable and ...