METEK GmbH uSonic-2
1.3 Acoustic temperature
By adding the two travel times of the sound pulses along each sound path,
the contributions of the radial wind component eliminates each other and the
residual sound velocity can be determined which is a measure for the
acoustic temperature which corresponds in good approximation to the virtual
temperature.
The virtual temperature depends on the humidity and is about 1 … 2 K higher
than the dry temperature measured with a standard thermometer or PT100
probe.
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