Class3_manometers

Class3_manometers - can be calculated in a static fluid...

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9/5/2007 1 ES330, Section 2 Dr. Douglas Bohl 239 Camp x6683, dbohl@clarkson.edu www.clarkson.edu/~dbohl/es330 9/04/07 St. Fancis Dam before and after March 28, 1928 http://en.wikipedia.org/wiki/St._Francis_Dam
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9/5/2007 2 Outline • Pressure in Stratified Fluids Revisited • Manometers –S imp le – Compound • Forces on Plane Surfaces • Learning Objective: By the end of class
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9/5/2007 3 Stratified fluids • If you have a fluid with stratified densities: – find the pressure at each interface – Use the density and height for the fluid you are passing through – Remember pressure is equal on both sides of the interface
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9/5/2007 4 Stratified Fluids
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9/5/2007 5 Example Find P gage at 5 meters down in the fluid mixture. ρ oil =910 kg/m 3 ; ρ water =997 kg/m 3 ; ρ gl =1261 kg/m 3 ; ρ Hg =13560 kg/m 3 ;
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9/5/2007 6 Manometers • We have seen that a differential pressure
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Unformatted text preview: can be calculated in a static fluid column. We can therefore use fluid columns to measure pressures. 9/5/2007 7 Manometers 9/5/2007 8 Example A tank contains air at P gage =0.13atm. The tank is connected to a manometer Filled with mercury s.g.13.6. What is the height of the column of mercury? 9/5/2007 9 Compound Manometers For compound manometers (i.e. more than one fluid) you label the interfaces and write a series of equations for the system. You will have enough equations to solve for all pressures. 9/5/2007 10 Example 9/5/2007 11 Example (Continued) 9/5/2007 12 Example A closed tank contains compressed air and oil (S.G. = 0.90). A U-Tube Manometer is Connected to the tank using Mercury (S.G. = 13.6) determine the reading on the Pressure gage in atm. 9/5/2007 13...
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This note was uploaded on 04/07/2008 for the course ES 330 taught by Professor Bohl during the Spring '08 term at Clarkson University .

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Class3_manometers - can be calculated in a static fluid...

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