Bernoulli equation with pump
[DOC File]ME1202 - FLUID MECHANICS AND MACHINERY
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Continuity equation. ii. Bernoulli’s formula. iii. Darcy weisbach equation. 12. What is Dupuit’s equation? L1/d15+L2/d25 +L3/d35 = L / d5. Where. L1, d1 = Length and diameter of the pipe 1. ... A centrifugal pump running at 900 rpm has an impeller diameter of 500 mm and eye diameter of 200 mm. The blade angle at outlet is 35° with the tangent.
[DOC File]FLUID FLOW (P&T Ch. 14)
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Have turbine or Compressor/pump need Wo. Easy : use total energy with (q = 0 and (z = 0 (h is known for turbines but not for compressors. Therefore we need to go back to the Mechanical Energy equation for pumps/compressors. Indeed, the Bernoulli equation gives Pumps (( is constant) For compressors. pvn = constant (The evolution is nearly ...
[DOCX File]Name ...
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Because the Bernoulli equation equals the same constant at all points along a streamline, we can set the Bernoulli equation at two points equal to each other and use information on the system at one point to solve for information at another. ... Pump it a couple of times and shoot it, then top it off. So the water gun works properly, leave a ...
CHAPTER 2: FLUID PROPERTIES
Bernoulli equation expresses the relationship between velocity and piezometric pressure along a streamline in a steady, incompressible, and inviscid flow. The energy equation was developed for viscous, incompressible flow in a pipe with additional energy being added through a pump or extracted through a turbine.
[DOC File]Chapter 5 Pressure Variation in Flowing Fluids
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Apply energy equation to a stream tube without any shaft work. Energy eq : (If hL = 0 (i.e., ( = 0) we get Bernoulli equation and conservation of mechanical energy along a streamline (Therefore, energy equation for steady 1-D pipe flow can be interpreted as a modified Bernoulli equation to include viscous effects (hL) and shaft work (hp or ht)
[DOC File]California State University, Northridge
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Here we apply the Bernoulli equation to a streamline in the center of the flow between points 1 and 2. Points 1 and 2 are at the same elevation for our center streamline, so z1 = z2. The exit pressure p2 is zero since it is atmospheric pressure. Our Bernoulli equation can then be written as follows.
[DOC File]CHAPTER 9
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The pump is located near the pipe exit, and thus the pump exit pressure is equal to the pressure at the pipe exit, which is the atmospheric pressure, P2 = Patm. Also, the can take hL = 0 since the frictional effects and loses in the pump are accounted for by the pump efficiency. Then the energy equation for the pump (in terms of heads) reduces to
[DOC File]Bernoulli and the Free Jet
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From the Bernoulli equation we can obtain the following relationship. where point 1 is on a horizontal line in the jet away from the stagnation point and point 2 is the stagnation point. The stagnation pressure, , will be measured using a pressure transducer. ... Log the data to file and with the pump running turn the jet so it discharges into ...
[DOC File]CHAPTER 9
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BERNOULLI AND ENERGY EQUATIONS. Mechanical Energy and Pump Efficiency. 12-1C. The mechanical energy is the form of energy that can be converted to mechanical work completely and directly by a mechanical device such as a propeller.
[DOC File]Vapor pressure and cavitation
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Equation [2] is Bernoulli’s equation with the pump pressure increase ((pP) and fluid friction loss due to piping ((pF1-2) and equipment ((pEQ1-2) friction terms added. Pressure can be expressed in terms of fluid column height or pressure head.
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