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Consider a spherical tank of air originally at atmospheric pressure (1.013*105 N/m2). Air is being supplied...
Consider a spherical tank of air originally at atmospheric pressure (1.013*105 N/m2). Air is being supplied at a uniform velocity of 2 m/s through a tube of diameter 2 cm. The tanks diameter is 1m. The inlet pressure is maintained at 3*105 N/m2 and the temperature of the tank and inlet pipe is 300K. Determine the time required for the pressure in the tank to reach 2*105 N/m2.
Solutions
Amanda K answered 2 years agoRelated Solutions
In a supermarket, air at atmospheric pressure and 25 °C is supplied to an air handling...
In a supermarket, air at atmospheric pressure and 25 °C is
supplied to an air handling unit through a rectangular duct with a
cross section of 0.5 m x 0.1 m. The air handling unit will
distribute 2/3 of the air to the large shopping area of the
supermarket at 25 °C, and it will cool the remaining air to -5 °C
and distribute it to a walk-in refrigerator. To avoid frictional
pressure losses, the average air velocity in the...
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the...
An automobile tire is inflated with air originally at 10.0°C and
normal atmospheric pressure. During the process, the air is
compressed to 26.0% of its original volume and the temperature is
increased to 46.0°C. (a) What is the tire pressure in pascals? Pa
(b) After the car is driven at high speed, the tire's air
temperature rises to 85.0°C and the tire's interior volume
increases by 3.00%. What is the new tire pressure (absolute) in
pascals? Pa
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the...
An automobile tire is inflated with air originally at 10.0°C and
normal atmospheric pressure. During the process, the air is
compressed to 24.0% of its original volume and the temperature is
increased to 48.0°C.
(a) What is the tire pressure in pascals?
Pa
(b) After the car is driven at high speed, the tire's air
temperature rises to 85.0°C and the tire's interior volume
increases by 3.00%. What is the new tire pressure (absolute) in
pascals?
Pa
Air is supplied to a convergent–divergent nozzle from a large tank in which the pressure and...
Air is supplied to a convergent–divergent nozzle from a large
tank in which the pressure and temperature are kept at 700 kPa and
40°C, respectively. If the nozzle has an exit area that is 1.6
times the throat area and if a normal shock occurs in the nozzle at
a section where the area is 1.2 times the throat area, find the
pressure, temperature, and Mach number at the nozzle exit. Assume
one-dimensional, isentropic flow.
The gauge pressure in your car tires is 2.30 ✕ 105 N/m2 at a temperature of...
The gauge pressure in your car tires is 2.30 ✕ 105
N/m2 at a temperature of 35.0°C when you drive it onto a
ferry boat to Alaska. What is their gauge pressure (in atm) later,
when their temperature has dropped to
−43.0°C?
(Assume that their volume has not changed.)
atm
A tank containing air at atmospheric pressure must be purged with pure nitrogen until the oxygen...
A tank containing air at atmospheric pressure must be purged
with pure nitrogen until the oxygen concentration is 5 ppm. The
tank can withstand a vacuum, so vacuum purging is considered. The
vacuum line used produces an absolute pressure of 6 mmHg. How many
vacuum cycles are necessary?
1. A uniform pressure of 5.7 × 105 N/m2 is applied to all six sides of...
1. A uniform pressure of 5.7 × 105 N/m2 is
applied to all six sides of a copper cube. What is the percentage
change in volume of the cube?
2. A liquid (p = 1.65 g/cm3 ) flows through a
horizontal pipe of varying cross-section as in Figure. In the first
section, the cross-sectional area is 10.0 cm2 , the flow
speed is 275 cm/s, and the pressure is 1.20 x 105 Pa. In
the second section, the cross-sectional area...
27 feet of 65°API material is stored in an atmospheric tank. What is the pressure at...
27 feet of 65°API material is stored in an atmospheric tank.
What is the pressure
at the bottom of the tank?
A compressed air nozzle has a diameter of .250in and line pressure of 109psi. Atmospheric pressure...
A
compressed air nozzle has a diameter of .250in and line pressure of
109psi. Atmospheric pressure is 14.7psi. What is the mass flow rate
and velocity of the nozzle? If five nozzles are attached to the
same air line with 109psi, what will the mass flow rate and
velocity be then? Is either flow choked?
Atmospheric air, at constant conditions, 102 kPa pressure and 30 ° C to a air conditioning...
Atmospheric air, at constant conditions, 102 kPa pressure and
30 ° C to a air conditioning system
enters at 60% relative humidity at temperature. The volumetric
flow of atmospheric air is 100 L / s. Air,
It is separated from the air conditioning system at a pressure
of 95 kPa and a temperature of 15 ° C at 100% relative
humidity.
In this process, the temperature of the condensing water is 15
° C. This air conditioning
Calculate the heat...
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