221 Pressure measurement

Pressure is a fundamental parameter in determining the density, diffusivity, and velocity, hence should be measured accurately during the experiment.

The atmospheric pressure (patm) is measured by a PRINCO NOVA™ barometer in the wind tunnel room with a reading precision of 0.1 mmHg and can be obtained by:

The dynamic (Ap) and static pressure (ps) of the incoming flow in the wind tunnel is measured by a pitot tube inserted at the incoming flow measurement plane. The dynamic

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