Class2_introduction_static_pressure

Class2_introduction_static_pressure - ES330, Section 2 Dr....

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ES330, Section 2 8/26/2010 1 Dr. Douglas Bohl 239 Camp x6683, dbohl@clarkson.edu www.clarkson.edu/~dbohl/es330
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Class Outline • Why I became an engineer • Definition of pressure – Show it is a scalar property • Pressure in a non-moving fluid – Force is equal to the total weight of the fluid above anometers 8/26/2010 2 Manometers – Simple – compound • Learning objectives for today – Calculate the hydrostatic pressure at any point in a fluid – Analyze a fluid manometer • Announcements – HW#1 Posted on the web site. Due next Thursday (9/2)
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A little about me 8/26/2010 3
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USS Thresher • April 10, 1963 SSN-593 was under going sea trials after overhaul and before being deployed hey lost power and sank below their 8/26/2010 4 • They lost power and sank below their crush depth • All hands were lost Lt. CMD John Harvey
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USS Thresher 7:47 AM: Thresher begins its descent to the test depth of 1300 feet. 7:52 AM: Thresher levels off at 400 feet, contacts the surface, and the crew inspects the ship for leaks. None are found. 8:09 AM: Commander Harvey reports reaching half the test depth. 8:25 AM: Thresher reaches 1000 feet depth. 9:02 AM: Thresher cruises at 18 knots. Commander Harvey orders a course change: "Twenty degrees right rudder and five degrees down angle." 9:09 AM: A pipe bursts in the engine room, crew attempts to stop the leak while the room is filled with a cloud of mist. Harvey orders full speed, upward tilt of 15 degrees, and emptying the main ballast tank in order to surface. Due to
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Class2_introduction_static_pressure - ES330, Section 2 Dr....

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