A high-performance air-cooled heat sink that incorporates a novel heat pipe with multiple parallel condenser layers and interdigitated blower impellers is presented. A flow circuit model was developed in order to predict the air flow performance of a 15-layer impeller system using experimental measurements from a single layer. A 15-layer impeller system was constructed to validate the flow circuit model. The performance of the multi-layer system was investigated by using a hot wire anemometer to compare flow between layers and by measuring the inflation rate of a bag enclosing the air outlets. This work addresses important issues that allow the extension of the air flow modeling and experimental results from a single impeller design to a multilayer stack of impellers operating in parallel and sharing a common inlet.
Investigation of a Multiple Impeller Design for a High Performance Air-Cooled Heat Sink
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Staats, WL, Peters, TB, Allison, JM, McCarthy, M, Wang, EN, & Brisson, JG. "Investigation of a Multiple Impeller Design for a High Performance Air-Cooled Heat Sink." Proceedings of the ASME 2010 International Mechanical Engineering Congress and Exposition. Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B. Vancouver, British Columbia, Canada. November 12–18, 2010. pp. 313-320. ASME. https://doi.org/10.1115/IMECE2010-40703
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