Air at 110 kPa and 50 °C flows through the 6 cm diameter duct at a flow rate of 45 L/s in the direction of the arrow. The channel is narrowed to a diameter of 4 cm by means of a reducer. The pressure change in the channel is measured with a water flow manometer. Since the height difference between points 1 and 2 marked in the figure is 20 cm, determine the height difference (h) between the arms of the manometer. (Hint: The altitude difference is negligible as it is fluid air.) (R=0.287 kPa.m^3/kg.K, ρ(water)= 1000 kg/m^3 , g=9.81 m/s^2)
Air at 110 kPa and 50 °C flows through the 6 cm diameter duct at a flow rate of 45 L/s in the direction of the arrow. The channel is narrowed to a diameter of 4 cm by means of a reducer. The pressure change in the channel is measured with a water flow manometer. Since the height difference between points 1 and 2 marked in the figure is 20 cm, determine the height difference (h) between the arms of the manometer. (Hint: The altitude difference is negligible as it is fluid air.) (R=0.287 kPa.m^3/kg.K, ρ(water)= 1000 kg/m^3 , g=9.81 m/s^2)
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter3: Basic Theories And Math
Section: Chapter Questions
Problem 7RQ: Why are gases and liquids considered fluids?
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Air at 110 kPa and 50 °C flows through the 6 cm diameter duct at a flow rate of 45 L/s in the direction of the arrow. The channel is narrowed to a diameter of 4 cm by means of a reducer. The pressure change in the channel is measured with a water flow manometer. Since the height difference between points 1 and 2 marked in the figure is 20 cm, determine the height difference (h) between the arms of the manometer. (Hint: The altitude difference is negligible as it is fluid air.)
(R=0.287 kPa.m^3/kg.K, ρ(water)= 1000 kg/m^3 , g=9.81 m/s^2)
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