Mass flow rate and velocity
[DOC File]CHAPTER 1
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The mass flow rate is. The outlet velocity will then be 6-156 The mass flow rate of a compressed air line is divided into two equal streams by a T-fitting in the line. The velocity of the air at the outlets and the rate of change of flow energy (flow power) across the T-fitting are to be determined.
[DOC File]Course Overview - Walter Scott, Jr. College of Engineering
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Evaluating Mass Flow Rate Given Velocity. Often, in engineering practice, we are given an average velocity and we need to calculate the mass flow rate. Consider the blood flowing through the aorta as it exits the artificial heart: The mass flow rate can be calculated as follows: (4.4a) (4.4b) where A is the cross sectional area [m2], v
[DOC File]Chapter 3 Burning rates - IAFSS
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Non-constant velocity: Mass flow rate through upper vent: (5.18) Mass flow rate through lower vent: (5.19) Mass flow into tall opening: (5.24) Taking into Account the Mass Produced in the Room. Mass flow rate of ambient air: (5.29) The Stratified Case. Mass flow rate out: (5.31) Mass flow rate in: (5.36) Mass Flow out through a Ceiling Vent
[DOC File]Partial Differential Equations in Two or More Dimensions
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The kinetic energy per unit mass flow rate is then = V2. For turbulent flow, the velocity profile is almost flat, therefore ( V2 ( ( = 1 for turbulent flow. Figure 5.3-1 Laminar velocity profile in a pipe. The velocity for laminar flow in a pipe is given as. vz = 2V = 2V (1 ( (2), where ( = The rate …
[DOC File]Problem 3 - St. Francis Xavier University
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mass flow into the CV via the CS since at an inflow boundary. mass flow out of the CV via the CS since at an outflow boundary. 4.28. Fluid with a 1050 kg/m3 density is flowing steadily through the rectangular box shown. Given A1 = 0.05 m2, A2 = 0.01 m2, A3 = 0.06 m2, and , determine the velocity . Conservation of mass for the control volume ...
[DOC File]Chapter 5, Vent flows - IAFSS
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Mass flow rate is given as velocity of fluid times area through which the fluid flows times fluid density, or . Eq. 5.b . However, the flow through an opening will be restricted and this is expressed by a flow coefficient, Cd. In fire applications the effective area of the went is 60 to 70 % of the nominal area.
[DOC File]Chapter 5 Pressure Variation in Flowing Fluids
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Chapter 5 Mass, Momentum, and Energy Equations. Flow Rate and Conservation of Mass. cross-sectional area oriented normal to velocity vector (simple case where V ( A) U = constant: Q = volume flux = UA [m/s ( m2 = m3/s] U ( constant: Q = Similarly the mass flux = general case. average velocity…
[DOC File]EGR 4345 – Heat Transfer
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Calculate the mass flow rate and velocity of air in the test section if the pressure drop across the orifice plate is 1.0 inch of water. If the uncertainty of the manometer is +/- 0.05 inches of water, what percentage change would this give to your calculated velocity? Try re-calculating the velocity using an orifice plate pressure drop of 1.05 ...
[DOC File]CHAPTER 14
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Mass flow rate, cross sectional area, hydraulic diameter, mean velocity of air and the Reynolds number are. which is greater than 10,000. Therefore, the flow is turbulent and the entry lengths in this case are roughly. which are much shorter than the total length of the collector.
[DOC File]Chapter 5 Pressure Variation in Flowing Fluids
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Chapter 5 Mass, Bernoulli, and Energy Equations. 5.1 Flow Rate and Conservation of Mass. cross-sectional area oriented normal to velocity vector (simple case where V ( A) U = constant: Q = volume flux = UA [m/s ( m2 = m3/s] U ( constant: Q = Similarly the mass flux = general case. average velocity…
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