Phys. Rev. Lett. 93, 098301 (2004) [4 pages]Anisotropic Thermal Conduction in a Polymer Liquid Subjected to Shear FlowSee Also: Publisher's Note Received 12 April 2004; published 25 August 2004; publisher error corrected 30 August 2004 Flow-induced anisotropic thermal conduction in a polymer liquid is studied using force Rayleigh scattering. Time-dependent measurements of the complete thermal diffusivity tensor, which includes one off-diagonal and three diagonal components, are reported on an entangled polymer melt subjected to a uniform shear deformation. These data, in conjunction with mechanical measurements of the stress, provide the first direct evidence that the thermal conductivity tensor and the stress tensor are linearly related in a deformed polymer liquid. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.098301
DOI:
10.1103/PhysRevLett.93.098301
PACS:
83.60.St, 66.60.+a, 82.35.Lr, 83.50.–v
See AlsoPublisher's Note: David C. Venerus, Jay D. Schieber, Venkat Balasubramanian, Kendall Bush, and Stoyan Smoukov, Publisher's Note: Anisotropic Thermal Conduction in a Polymer Liquid Subjected to Shear Flow [Phys. Rev. Lett. 93, 098301 (2004)], Phys. Rev. Lett. 93, 109902 (2004). |
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