The fabrication and characterization of biotemplated nanostructured surfaces for enhanced pool boiling heat transfer is reported. By introducing micro/nano-porosity and surface roughness at the liquid-vapor interface, significant enhancement in surface heat transfer capability can be achieved during nucleate boiling. This work uses the self-assembly and mineralization of the Tobacco mosaic virus (TMV) to create superhydrophilic (∼9°), superhydrophobic (∼163°), and mixed hydrophilic-hydrophobic (∼70°) surfaces to investigate the effects of surface wettability and heterogeneity on boiling heat transfer performance. Pool boiling results showing CHF and HTC values for nickel-coated TMV, Teflon-coated TMV, mixed nickel + Teflon coated TMV, flat silicon, and flat Teflon are reported. The mixed surfaces demonstrate a CHF enhancement of ∼ 70% compared to flat silicon and ∼140% compared to flat Teflon. The results are in good agreement with the literature and will guide the design of optimized surfaces for further enhancement. This work demonstrates the feasibility of enhancing pool boiling heat transfer using TMV based nanostructured coatings.
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ASME 2012 International Mechanical Engineering Congress and Exposition
November 9–15, 2012
Houston, Texas, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-4523-3
PROCEEDINGS PAPER
Nucleate Boiling on Biotemplated Nanostructured Surfaces
Md. Mahamudur Rahman,
Md. Mahamudur Rahman
Drexel University, Philadelphia, PA
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Stephen M. King,
Stephen M. King
Drexel University, Philadelphia, PA
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Emre Olceroglu,
Emre Olceroglu
Drexel University, Philadelphia, PA
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Matthew McCarthy
Matthew McCarthy
Drexel University, Philadelphia, PA
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Md. Mahamudur Rahman
Drexel University, Philadelphia, PA
Stephen M. King
Drexel University, Philadelphia, PA
Emre Olceroglu
Drexel University, Philadelphia, PA
Matthew McCarthy
Drexel University, Philadelphia, PA
Paper No:
IMECE2012-88014, pp. 2801-2808; 8 pages
Published Online:
October 8, 2013
Citation
Rahman, MM, King, SM, Olceroglu, E, & McCarthy, M. "Nucleate Boiling on Biotemplated Nanostructured Surfaces." Proceedings of the ASME 2012 International Mechanical Engineering Congress and Exposition. Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D. Houston, Texas, USA. November 9–15, 2012. pp. 2801-2808. ASME. https://doi.org/10.1115/IMECE2012-88014
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