NDLI: Enhanced Passive Thermal Management of Grid-Scale Power Routers Utilizing Ionic Wind

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Gallandat, Noris Mayor, J. Rhett
Copyright Year	2014
Abstract	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.
File Format	PDF
ISBN	9780791849552
DOI	10.1115/IMECE2014-38713
Volume Number	Volume 8A: Heat Transfer and Thermal Engineering
Conference Proceedings	ASME 2014 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2014-11-14
Publisher Place	Montreal, Quebec, Canada
Access Restriction	Subscribed
Subject Keyword	Wind Electrodynamics Fans Food and drug administration Cooling Approximation Computer simulation Electric charge Frequency-domain analysis Momentum Poisson equation Density Design Electrodes Geometry Air flow Pumps Corona discharge Differential equations Thermal management Boundary-value problems Reliability Electric fields Heat transfer
Content Type	Text
Resource Type	Article

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