Working fluid
Thermoacoustic converters
Article REF: BE8061 V1
Working fluid
Thermoacoustic converters

Author : Philippe NIKA

Publication date: July 10, 2008 | Lire en français

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4. Working fluid

The fluids used in thermoacoustics must have as low a viscosity as possible to limit viscous friction losses, and a high thermal conductivity to facilitate convective heat transfer from the gas. These fluids must therefore have a small Prandtl number . . This Prandtl number also represents the ratio between viscous and thermal boundary layer thicknesses:

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