Enhance heat dissipation for projection lamps by MWCNTs nano-coating

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In this study, we used two-step synthesis method to prepare nano-coating containing multi-walled carbon nanotubes (MWCNTs) of different concentrations and applied the MWCNTs to heat dissipation for the projection lamp fixtures. We quantitatively coated the nano-coating on the inner surface of the housing of the fixture and evaluated its effects on the internal temperature, power consumption, and luminous output of the fixture for different conditions. The results show that both concentration of the MWCNT nano-coating and the projecting angle of the fixture affect the internal temperature and power consumption. With the MWCNT nano-coating of concentration at 1.328 wt.% and the projecting angle of 0°, the internal temperature of the fixture adopting the halogen lamp and that adopting the LED lamp reduce 5.4% ± 2.1% and 3.2% ± 2.1% at most, respectively; the power consumption reduces 12.9% ± 2.1% at most for the LED lamp; the luminous output has no significant difference for either the halogen or LED lamp. This study demonstrates MWCNT Nano-coating has great feasibility for heat dissipation of the lighting fixture. Further, this concept can also be applied to the cases requiring non-contact heat dissipation. Therefore, this study can widely contributes to energy saving and carbon emission reduction.

Original languageEnglish
Pages (from-to)1098-1106
Number of pages9
JournalApplied Thermal Engineering
Volume51
Issue number1-2
DOIs
Publication statusPublished - 2013 Jan 1

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Heat losses
Electric lamps
Carbon nanotubes
Coatings
Light emitting diodes
Electric power utilization
Lighting fixtures
Temperature
Energy conservation
Carbon

Keywords

  • Heat dissipation
  • Illumination
  • Multi-walled carbon nanotubes
  • Nano-coating
  • Power consumption

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Industrial and Manufacturing Engineering

Cite this

Enhance heat dissipation for projection lamps by MWCNTs nano-coating. / Teng, Tun-Ping; Teng, Tun-Chien.

In: Applied Thermal Engineering, Vol. 51, No. 1-2, 01.01.2013, p. 1098-1106.

Research output: Contribution to journalArticle

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