Question: An educational, low-speed subsonic wind tunnel has an area ratio of 1:18. Equipped with a u-tube which contain platinum ( = 21447 kg/m3) as a

An educational, low-speed subsonic wind tunnel has an area ratio of 1:18. Equipped with a u-tube which contain platinum ( = 21447 kg/m3) as a working fluid, solve for the height difference (h) in cm, for a throat velocity, pressure and temperature of 77 m/s, 1.10 atm and 328 K.

Answer: Density = 1.184 kg/m3 and delta h = 1.66 cm

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