This paper presents a numerical model assessing the potential of ionic wind as a heat transfer enhancement method for the cooling of grid distribution assets. Distribution scale power routers (13–37 kV, 1–10 MW) have stringent requirements regarding lifetime and reliability, so that any cooling technique involving moving parts such as fans or pumps are not viable. Increasing the air flow — and thereby enhancing heat transfer — through Corona discharge could be an attractive solution to the thermal design of such devices. In this work, the geometry of a rectangular, vertical channel with a corona electrode at the entrance is considered. The multiphysics problem is characterized by a set of four differential equations: the Poisson equation for the electric field and conservation equations for electric charges, momentum and energy. The electrodynamics part of the problem is solved using a finite difference approximation (FDA). Solutions for the potential, electric field and free charge density are presented for a rectangular control volume with mixed boundary conditions.
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ASME 2014 International Mechanical Engineering Congress and Exposition
November 14–20, 2014
Montreal, Quebec, Canada
Conference Sponsors:
- ASME
ISBN:
978-0-7918-4955-2
PROCEEDINGS PAPER
Enhanced Passive Thermal Management of Grid-Scale Power Routers Utilizing Ionic Wind
Noris Gallandat,
Noris Gallandat
Georgia Institute of Technology, Atlanta, GA
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J. Rhett Mayor
J. Rhett Mayor
Georgia Institute of Technology, Atlanta, GA
Search for other works by this author on:
Noris Gallandat
Georgia Institute of Technology, Atlanta, GA
J. Rhett Mayor
Georgia Institute of Technology, Atlanta, GA
Paper No:
IMECE2014-38713, V08AT10A065; 7 pages
Published Online:
March 13, 2015
Citation
Gallandat, N, & Mayor, JR. "Enhanced Passive Thermal Management of Grid-Scale Power Routers Utilizing Ionic Wind." Proceedings of the ASME 2014 International Mechanical Engineering Congress and Exposition. Volume 8A: Heat Transfer and Thermal Engineering. Montreal, Quebec, Canada. November 14–20, 2014. V08AT10A065. ASME. https://doi.org/10.1115/IMECE2014-38713
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