Using a hot-wire anemometer for measurement of characteristics of a random acoustic field in compressible flows
V. A. Lebiga, V. N. Zinov'ev, and A. Yu. Pak
Institute of Theoretical and Applied Mechanics, Siberian Division, Russian Academy of Sciences, Novosibirsk 630090
Pages: 488-492
Abstract
The problem of interpretation of hot-
wire measurements of acoustic fields in
compressible flows is considered.
Relations between mass-flow and total-
temperature fluctuations registered by a
hot-wire anemometer and pressure and
velocity fluctuations are found. The
relations obtained are applicable in the
general case for measurement of
resultant acoustic fluctuations at some
point of the flow, which are generated
by arbitrary distributed sources of
sound with prior-unknown properties.
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