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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 22 — Aug. 1, 2012
  • pp: 5563–5566

Optimized thermal design of new reflex LED headlamp

Shuhong Hu, Guiying Yu, and Yichao Cen  »View Author Affiliations


Applied Optics, Vol. 51, Issue 22, pp. 5563-5566 (2012)
http://dx.doi.org/10.1364/AO.51.005563


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Abstract

This paper focuses on the heat dissipation efficiency issues in LED headlamps. The cooling structure is designed and built in Ansys-icepak software based on computational fluid dynamics. During optimized simulation of a single model, geometric parameters, maximum temperature, and thermal resistance are taken as variables, constraint, and objective, respectively. In the case of 85 °C, the optimized model has mass of 0.28 kg, maximum temperature rise of 12.52 °C, and thermal resistance of 1.03°C/W. During the design of the headlamp, air inlet and outlet are arranged, respectively, taking advantage of airflow generated from the moving auto. The maximum temperature rise is 6.5 °C lower than that in closed case at the speed of 2m/s.

© 2012 Optical Society of America

OCIS Codes
(000.6850) General : Thermodynamics
(350.4600) Other areas of optics : Optical engineering
(350.5340) Other areas of optics : Photothermal effects
(250.3750) Optoelectronics : Optical logic devices

ToC Category:
Optoelectronics

History
Original Manuscript: May 9, 2012
Revised Manuscript: July 12, 2012
Manuscript Accepted: July 13, 2012
Published: July 31, 2012

Citation
Shuhong Hu, Guiying Yu, and Yichao Cen, "Optimized thermal design of new reflex LED headlamp," Appl. Opt. 51, 5563-5566 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-22-5563

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