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b_lab_7 - Bryan Jacobs MON 7-9PM Lab Partner Cameron Rison...

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Unformatted text preview: Bryan Jacobs MON 7-9PM Lab Partner: Cameron Rison Lab 7- Bernoulli’s Principle Bryan Jacobs MON 7-9PM Lab Partner: Cameron Rison Sample Calculations: Bryan Jacobs MON 7-9PM Lab Partner: Cameron Rison Sample Calculations (continued): Bryan Jacobs MON 7-9PM Lab Partner: Cameron Rison Introduction: The main objective of the laboratory 7 was to show how the Bernoulli’s principle acts and what conditions are necessary to fulfill his famous equation + + = + + Pa 12ρVa2 ρgy Pb 12ρVb2 ρgy . The equation relates velocity, height and pressure just as the work energy equation. These are evaluated when the fluid is incompressible, non-viscous and non turbulent flow conditions are fulfilled. ρ represents the density of the fluid, y the height relative to the other point just as potential energy, P is the pressure of the fluid that is in N/m^2, all units in the calculations to obtain an interpretable result. Another important assumption is that there’s no friction of the fluid against the flow. This relationship between pressure and velocity is the reason why a plane obtains lift; that the pressure at the bottom of the wing is greater. In this experiment we used an old artifact with one glass tube with two different diameters along its length to increase the air speed and change the path of the air, a pitot tube, which allowed us to measure two different pressures at the same point; the stagnation pressure and the ambient pressure. The stagnation pressure is the pressure created by the airspeed plus the environment pressure, and the ambient pressure is the pressure...
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b_lab_7 - Bryan Jacobs MON 7-9PM Lab Partner Cameron Rison...

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