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Development of an Experimental Setup for Aeroacoustic Testing of Porous Surfaces in a Low-Speed Wind Tunnel
Full text linkThe objective of this work, in collaboration with Aiolos Engineering Corporation®, was to test porous surface configurations that could replicate the aerodynamic behaviour of a flat surface while allowing sound to pass through to recessed acoustic treatment. Previous studies have shown that similar surfaces generate aerodynamic noise. The present research aimed to design an experimental set up capable to test and study the self-noise of the porous samples. The Carleton University Low-Speed Closed-Circuit Aeroacoustic Wind Tunnel was used to conduct this research. The wind tunnel is a small-scale closed-circuit wall-jet facility with a maximum windspeed of 67 m/s and nozzle exit area of 0.1095 m2. To complete the proposed testing, modifications were made to improve the acoustics of the existing wind tunnel to create a test environment capable of gathering meaningful results
Home on Native Land: Decolonizing Architectural Education Through Indigenous Collaboration
Full text linkMy thesis examines identity and architecture through my lens as an aspiring Canadian architect who uncovers my ancestral history of colonization as original settlers in Gespe’gewa’gi in 1785. After discovering my family’s role in colonizing the coast of Mawipoqtapei, I question my own future practice as an architect in the continued colonization of Native Land. I also critique architecture’s failure to honour Indigenous sovereignty through meaningful collaboration in the design process. Through Critical Regionalism, Indigenous knowledge systems, and case studies of architects engaging with colonial histories, I search for a path toward decolonization in architecture. By challenging research practices and settler-controlled design processes, this thesis argues that reconciliation in architecture requires fundamental restructuring to ensure that Indigenous voices lead the transformation of the built environment
Empathy as Bug: The Rhetoric of MAGA’s “Battle”
Full text linkThis essay critiques the rhetorical displacement of empathy by sympathy in contemporary political discourse, especially within digital media ecologies dominated by memes, grievance, and identitarian performativity. Beginning with Elon Musk’s claim that empathy is “civilizational suicide,” the essay traces how sympathetic identification—rooted in sameness and affective fusion—has supplanted empathy’s difficult labor of encountering difference. Drawing on rhetorical theory, affect studies, and close readings of memes, the essay analyzes how contemporary rhetorics (including on the Left)impede the slow, uncertain, and unsentimental work that empathy requires. Turning to Hannah Arendt’s Eichmann in Jerusalem and theories of rhetorical empathy, the essay reframes empathy not as moral sentiment but as agonistic hearkening—a practice of nonidentical attunement amid algorithmic closure. Ultimately, it calls for rhetorical scholars to reclaim empathy as a counter-rhetorical and ontological necessity in the face of post-truth tribalism
On Equivalence Classes in Software Testing
Full text linkAn equivalence class in software testing is a set of input values that the system is expected to handle in a similar manner. This thesis investigates the validity of using equivalence classes for software testing by focusing on whether a single representative input can adequately capture the behavior of an entire class. Equivalence classes can be derived using methods like the category partition (CP) method, which systematically splits the input domain into subsets representing distinct behaviors. By leveraging the Z3 solver to generate diverse test inputs from CP specifications and equivalence classes, our approach ensures systematic coverage and broad input exploration. We examine four case studies to evaluate how well these equivalence classes reflect possible input behaviors. We rely on coverage analysis and fault detection to estimate whether test inputs from an equivalence class are handled similarly. Experimental results demonstrate that input classes produced by CP are equivalence classes
