A theoretical model is developed for predicting the thermal performance of a flat micro heat pipe with a rectangular grooved wick using a water-based Al2O3 nanofluid. In the present model, the axial variations of the wall temperature and the evaporation and condensation rates are considered by solving the one-dimensional conduction equation for the wall and the augmented Young-Laplace equation for the phase change process. In particular, a model which accounts for the change of the heat transfer surface characteristics by the formation of a thin porous coating layer is suggested. By using the developed model, the thermal performance of the heat pipe using nanofluid is compared with that of the heat pipe using based fluid. It is found that the thin porous layer on the fin top and the side of the groove which is created by nanoparticles suspended in nanofluids significantly increases the thermal performance of the heat pipe.
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ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability
July 19–23, 2009
San Francisco, California, USA
Conference Sponsors:
- Electronic and Photonic Packaging Division
ISBN:
978-0-7918-4360-4
PROCEEDINGS PAPER
A Theoretical Model for a Flat Micro Heat Pipe With a Grooved Wick Using Nanofluids
Kyu Hyung Do,
Kyu Hyung Do
Korea Institute of Machinery and Materials, Daejeon, Republic of Korea
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Byung Il Choi,
Byung Il Choi
Korea Institute of Machinery and Materials, Daejeon, Republic of Korea
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Yong Shik Han,
Yong Shik Han
Korea Institute of Machinery and Materials, Daejeon, Republic of Korea
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Seok Pil Jang
Seok Pil Jang
Korea Aerospace University, Goyang, Republic of Korea
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Kyu Hyung Do
Korea Institute of Machinery and Materials, Daejeon, Republic of Korea
Byung Il Choi
Korea Institute of Machinery and Materials, Daejeon, Republic of Korea
Yong Shik Han
Korea Institute of Machinery and Materials, Daejeon, Republic of Korea
Seok Pil Jang
Korea Aerospace University, Goyang, Republic of Korea
Paper No:
InterPACK2009-89138, pp. 83-90; 8 pages
Published Online:
December 24, 2010
Citation
Do, KH, Choi, BI, Han, YS, & Jang, SP. "A Theoretical Model for a Flat Micro Heat Pipe With a Grooved Wick Using Nanofluids." Proceedings of the ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability. ASME 2009 InterPACK Conference, Volume 2. San Francisco, California, USA. July 19–23, 2009. pp. 83-90. ASME. https://doi.org/10.1115/InterPACK2009-89138
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