Which one of the following is not an assumption of Bernoulli equation? -The flow is steady...
Which one of the following is not an assumption of Bernoulli equation?
-The flow is steady
-No elevation change
-The flow is incompressible
-There is no friction
-There is no shaft work
Homework Answers
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Which one of the following is not an assumption of Bernoulli
equation?
-The flow is steady...
The Bernoulli equation for steady frictionless incompressible flow along a streamline between two locations 1 and...
The Bernoulli equation for steady frictionless incompressible flow along a streamline between two locations 1 and 2 can be written as Water flows without friction from the top of a tank of water open to the atmosphere along a streamline from location 1 to 2, where it discharges into the atmosphere. Atmosphere With the datum for elevation as shown, the Bernoulli equation reduces to
Bernoulli equation. The Bernoulli equation is a special case of conservation of linear momentum law of...
Bernoulli equation. The Bernoulli equation is a special case of conservation of linear momentum law of conservation of energy) for steady frictionless flow. This equation can be arrived at in three different ways. The usual form of the Bernoulli equation is: 1. pv2 + P + ?9z-constant a) For frictionless flow at steady state, Euler's equation of conservation of linear momentum reduces to: Starting from this equation, derive the Bernoulli equation. Assume irrotational flow. Derive the Bernoulli equation using the...
4. (a) (i) Write down the steady-flow energy equation for low-speed incompressible flow, and explain in...
4. (a) (i) Write down the steady-flow energy equation for low-speed incompressible flow, and explain in detail each term in the equation 4 marks) ii) Explain what is meant by the term internal energy in relation to fluids. 4 marks)
2.) For steady, incompressible flow which of the following values of velocity compo are possible? In...
2.) For steady, incompressible flow which of the following values of velocity compo are possible? In other words, which fluid fields (a) and (b) will flow? a.) u = 3xy + y2,v = 5xy + 2x b.) u = 3x2 + y2,v = -6xy
Air flow over a cylinder of radius R- 150mm is modelled as a steady, frictionless and incompressible flow. The vector form of the velocity field is 1" The freestream velocity far away from the cy...
Air flow over a cylinder of radius R- 150mm is modelled as a steady, frictionless and incompressible flow. The vector form of the velocity field is 1" The freestream velocity far away from the cylinder is 75m/s and the static pressure is 101.3kPa. Note that this is similar to worked example 5.1 done during the lecture. However, now you know the Bernoulli equation can be used along a streamline...so: Find a) The stagnation pressure at the leading edge of the...
In-class Activity #4b Name Fluid Mechanics I (4600:310:301, Summer 2030,6/25, Thursday) Application of the Bernoulli Equation...
In-class Activity #4b Name Fluid Mechanics I (4600:310:301, Summer 2030,6/25, Thursday) Application of the Bernoulli Equation along a Streamline 1. Bernoulli equation along a streamline: Assumptions involved in Bernoulli equation: 1 No viscous effects (no shear) 2. Steady flow 3. Incompressible (density is constant) 4. Along a streamline P+ + Pgz=constant along streamline 2. The Static Pressure (p), Dynamic pressure, Stagnation pressure, and Total Pressure: Dynamic pressure: 1 Pd= 20v? Stagnation pressure: Ps= ptzov? Total pressure: P/ + Example 3.8...
1. One of the fundamental equations in fluid flow is the equation of discontinuity. A. True...
1. One of the fundamental equations in fluid flow is the equation of discontinuity. A. True B. False 2. What is the equation for conservation of flow rate of an incompressible fluid through various cross sections of tube? This fluid has a speed of through a cross section and the speed of through a cross section . A. B. 3. Now there is water running through a tube with two cross sections, =2 meter^2 and = 5 meter^2. Known that...
Which one of the following is not a disadvantage of the LIFO inventory cost flow assumption?...
Which one of the following is not a disadvantage of the LIFO inventory cost flow assumption? impaired comparability between companies using LIFO failure to match the most recent costs with revenue the possibility of income manipulation by management the impact of LIFO liquidation profits
Derive the Bernoulli equation, and derive the equations for reading the Volume flow rate (Q) using...
Derive the Bernoulli equation, and derive the equations for reading the Volume flow rate (Q) using the following. - orifice - venturi - pitot - coriolis
The y component of velocity in a steady, incompressible flow field in the xy plane is...
The y component of velocity in a steady, incompressible flow field in the xy plane is v = -Bxy3, where B = 0.7 m-3 · s-1, and x and y are measured in meters. (a) Find the simplest x component of velocity for this flow field. (b) Find the equation of the streamlines for this flow (use C as constant).
The Bernoulli equation for steady frictionless incompressible flow along a streamline between two locations 1 and 2 can be written as Water flows without friction from the top of a tank of water open to the atmosphere along a streamline from location 1 to 2, where it discharges into the atmosphere. Atmosphere With the datum for elevation as shown, the Bernoulli equation reduces to
Bernoulli equation. The Bernoulli equation is a special case of conservation of linear momentum law of conservation of energy) for steady frictionless flow. This equation can be arrived at in three different ways. The usual form of the Bernoulli equation is: 1. pv2 + P + ?9z-constant a) For frictionless flow at steady state, Euler's equation of conservation of linear momentum reduces to: Starting from this equation, derive the Bernoulli equation. Assume irrotational flow. Derive the Bernoulli equation using the...
4. (a) (i) Write down the steady-flow energy equation for low-speed incompressible flow, and explain in detail each term in the equation 4 marks) ii) Explain what is meant by the term internal energy in relation to fluids. 4 marks)
2.) For steady, incompressible flow which of the following values of velocity compo are possible? In other words, which fluid fields (a) and (b) will flow? a.) u = 3xy + y2,v = 5xy + 2x b.) u = 3x2 + y2,v = -6xy
Air flow over a cylinder of radius R- 150mm is modelled as a steady, frictionless and incompressible flow. The vector form of the velocity field is 1" The freestream velocity far away from the cylinder is 75m/s and the static pressure is 101.3kPa. Note that this is similar to worked example 5.1 done during the lecture. However, now you know the Bernoulli equation can be used along a streamline...so: Find a) The stagnation pressure at the leading edge of the...
In-class Activity #4b Name Fluid Mechanics I (4600:310:301, Summer 2030,6/25, Thursday) Application of the Bernoulli Equation along a Streamline 1. Bernoulli equation along a streamline: Assumptions involved in Bernoulli equation: 1 No viscous effects (no shear) 2. Steady flow 3. Incompressible (density is constant) 4. Along a streamline P+ + Pgz=constant along streamline 2. The Static Pressure (p), Dynamic pressure, Stagnation pressure, and Total Pressure: Dynamic pressure: 1 Pd= 20v? Stagnation pressure: Ps= ptzov? Total pressure: P/ + Example 3.8...
Which one of the following is not a disadvantage of the LIFO inventory cost flow assumption? impaired comparability between companies using LIFO failure to match the most recent costs with revenue the possibility of income manipulation by management the impact of LIFO liquidation profits
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