Breakthroughs in the recent cutting-edge technologies have become increasingly dependent on the ability to safely dissipate large amount of heat from small areas. Improvements in cooling techniques are therefore required to avoid unacceptable temperature rise and at the same time maintain high efficiency. Jet impingement is one such cooling scheme which has been widely used to dissipate transient and steady concentrated heat loads. With constantly increasing transient cooling needs, conventional pin-fin cooling and conventional jet impingement cooling are not meeting the requirements. Considerable improvements are therefore required to meet such stringent requirements without any significant changes in the cooling system. A combined cooling scheme based on jet impingement and phase change materials (PCMs) is presented as one such alternative to existing cooling systems. A high heat storage capability of PCMs in combination with a high heat transfer rates from impingement cooling can help overcome the existing heat distribution and transient cooling problems in high heat flux dissipating devices. Preliminary conjugate CFD simulations show promising results. Additionally, experimental validation of the simulation predictions has also been performed. A reasonably good agreement was found between the predictions and experiments.
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2010 14th International Heat Transfer Conference
August 8–13, 2010
Washington, DC, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4942-2
PROCEEDINGS PAPER
Novel PCM and Jet Impingement Based Cooling Scheme for High Density Transient Heat Loads Available to Purchase
Pritish R. Parida,
Pritish R. Parida
Virginia Tech, Blacksburg, VA
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Srinath V. Ekkad,
Srinath V. Ekkad
Virginia Tech, Blacksburg, VA
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Khai Ngo
Khai Ngo
Virginia Tech, Blacksburg, VA
Search for other works by this author on:
Pritish R. Parida
Virginia Tech, Blacksburg, VA
Srinath V. Ekkad
Virginia Tech, Blacksburg, VA
Khai Ngo
Virginia Tech, Blacksburg, VA
Paper No:
IHTC14-22841, pp. 443-450; 8 pages
Published Online:
March 1, 2011
Citation
Parida, PR, Ekkad, SV, & Ngo, K. "Novel PCM and Jet Impingement Based Cooling Scheme for High Density Transient Heat Loads." Proceedings of the 2010 14th International Heat Transfer Conference. 2010 14th International Heat Transfer Conference, Volume 7. Washington, DC, USA. August 8–13, 2010. pp. 443-450. ASME. https://doi.org/10.1115/IHTC14-22841
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