Underwater Pressure Calculations and Examples
Learn how to calculate hydrostatic pressure in fluids and explore practical examples like determining pressure at specific depths in the ocean and water towers. Discover the formulas and methods for calculating gauge pressure, absolute pressure, and more.
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Hydrostatic Pressure Contents: How to calculate Whiteboards
Pressure at some depth in a fluid: gh P = P = Pressure (gauge) in Pa = Density in kg m-3 g = 9.81 N kg-1 h = depth in m Demo basin with holes/Same level tubes Example What is the gauge pressure 3800 m (12,500 ft) deep in the ocean where the wreck of the Titanic lies? Calculate it in Pa, PSI and atm. ( = 1.025x103 kg m-3) (3.8E7 Pa, 5.5E3 PSI, 380 atm (377.2 with no sf)) 10 m 1atm
In the data packet: P P o + = gd f P = Absolute Pressure in Pa Po = Atmospheric pressure above fluid Pa f = Density (of fluid?) in kg m-3 g = 9.81 N kg-1 d = depth in m Example At what depth below fresh water is the absolute pressure 100. PSI? (Po = 1.013x105 Pa, = 1.00x103 kg m-3) (59.9 m)
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The water level in a water tower is 30. m above the point where a faucet is. What is the pressure in Pa and PSI? (Po = 1.013x105 Pa, = 1.00x103 kg m-3) What is the gauge pressure in PSI? solution answer
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