Nanowires for Enhanced Boiling Heat Transfer
Yonsei University · University of California, Berkeley · +1 more institution
Abstract
Boiling is a common mechanism for liquid-vapor phase transition and is widely exploited in power generation and refrigeration devices and systems. The efficacy of boiling heat transfer is characterized by two parameters: (a) heat transfer coefficient (HTC) or the thermal conductance; (b) the critical heat flux (CHF) limit that demarcates the transition from high HTC to very low HTC. While increasing the CHF and the HTC has significant impact on system-level energy efficiency, safety, and cost, their values for water and other heat transfer fluids have essentially remained unchanged for many decades. Here we report that the high surface tension forces offered by liquids in nanowire arrays made of Si and Cu can…
Citation impact
- FWCI
- 54.59
- Percentile
- 100%
- References
- 32
Authors
6- RCRenkun ChenCorresponding
Yonsei University, University of California, Berkeley, Lawrence Berkeley National Laboratory
- MLMing‐Chang Lu
University of California, Berkeley, Yonsei University, Lawrence Berkeley National Laboratory
- VSV. Srinivasan
Yonsei University, Lawrence Berkeley National Laboratory, University of California, Berkeley
- ZWZhijie Wang
Lawrence Berkeley National Laboratory, Yonsei University, University of California, Berkeley
- HHHyung Hee Cho
Lawrence Berkeley National Laboratory, Yonsei University, University of California, Berkeley
Topics & keywords
- Critical heat flux
- Boiling
- Materials science
- Thermodynamics
- Heat transfer
- Surface tension
- Refrigeration
- Nucleate boiling
- Affordable and clean energy