TY - CHAP
T1 - NANOFLUIDS FOR HEAT TRANSFER APPLICATIONS
AU - Phelan, Patrick E.
AU - Bhattacharya, Prajesh
AU - Prasher, Ravi S.
N1 - Funding Information: The authors gratefully acknowledge the support of the National Science Foundation through a GOALI grant to Arizona State University and the Intel Corporation. Patrick E. Phelan and Prajesh Bhattacharya also gratefully acknowledge the support provided by Intel. Publisher Copyright: © 2005 by Begell House, Inc.
PY - 2005
Y1 - 2005
N2 - Nanofluids that are being investigated for heat transfer applications are liquids that contain a small volume fraction, up to perhaps 5%, of submicron particles. The presence of these nanoparticles has been shown to increase the static thermal conductivity of the base fluid by as much as 160% with the addition of carbon nanotubes. The viscosity of nanofluids, which will also be important for applications like heat exchangers, has also been studied, but to a much lesser extent compared with their thermal conductivity. A comprehensive theoretical description of the transport properties of nanofluids is still not available, but Brownian dynamics simulations suggest that for very small nanoparticles, less than about 30 nm, the increase in thermal conductivity is greater than the relative increase in viscosity. Only a few investigations have been conducted to date on convective and boiling heat transfer in nanofluids, and these revealed some conflicting results. Further measurements and analysis, some of which can be based on colloidal science, are required to optimize nanofluids for heat transfer applications.
AB - Nanofluids that are being investigated for heat transfer applications are liquids that contain a small volume fraction, up to perhaps 5%, of submicron particles. The presence of these nanoparticles has been shown to increase the static thermal conductivity of the base fluid by as much as 160% with the addition of carbon nanotubes. The viscosity of nanofluids, which will also be important for applications like heat exchangers, has also been studied, but to a much lesser extent compared with their thermal conductivity. A comprehensive theoretical description of the transport properties of nanofluids is still not available, but Brownian dynamics simulations suggest that for very small nanoparticles, less than about 30 nm, the increase in thermal conductivity is greater than the relative increase in viscosity. Only a few investigations have been conducted to date on convective and boiling heat transfer in nanofluids, and these revealed some conflicting results. Further measurements and analysis, some of which can be based on colloidal science, are required to optimize nanofluids for heat transfer applications.
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U2 - 10.1615/AnnualRevHeatTransfer.v14.160
DO - 10.1615/AnnualRevHeatTransfer.v14.160
M3 - Chapter
T3 - Annual Review of Heat Transfer
SP - 255
EP - 275
BT - Annual Review of Heat Transfer
PB - Begell House Inc.
ER -