Honors College Thesis
 

The Use of Fractal-Like Bifurcating Flow Channels for Biological Targeted Cooling

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https://ir.library.oregonstate.edu/concern/honors_college_theses/4x51hr55c

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  • In the wake of climate change, the risk of heat related illnesses has continuously increased over the past several decades. While thermal management solutions have continued to improve, there is a need for efficient cooling systems that conform with the human body. This study combines the solutions from fractal-like flow network forced convection with the conduction of heat through layers of human tissue and compares the results with an alternative, equivalent parallel flow network configuration. A steady state, two-dimensional model was generated to gauge the performance of both flow networks and the corresponding tissue temperatures that could be achieved. Utilizing water as the active fluid, the effects of varying inlet volumetric flow rates, ranging from 5 to 25 mL/s were computed. Though the baseline fractal-like network model is outperformed in total heat dissipation, it is found to achieve lower tissue temperatures and is capable of dissipating more advective heat per unit flow power at increasingly higher inlet volumetric flow rates. Although a need for further studies and optimization is established, the flow network geometry is found be suitable for the intended application.
  • Key Words: Thermoregulation, Fractal-like Flow Network, Bioheat Transfer, Advective Heat Dissipation
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