Homework Answers
Part a of the question can easily be solved by applying the relation between MASS FLOW RATE, DENSITY & VOLUME FLOW RATE.
Part b of the question can easily be solved by applying the CONTINUITY EQUATION.
REFER TO THE IMAGES ATTACHED BELOW FOR THE FULL SOLUTION
Add Answer to:
Question 2 A desktop computer is to be cooled by a fan whose volume flow rate...
11: The state of liquid water is changed from 500 psia and 50°F to 3000 psia...
11: The state of liquid water is changed from 500 psia and 50°F to 3000 psia and 300°F. Determine the change in the internal energy and enthalpy of water on the basis of the (a) compressed liquid tables, (b) incompressible substance approximation and property tables, and (c) specific-heat model. 12: A 2-m3 rigid tank initially contains air whose density is 2.18 kg/m2. The tank is connected to a high- pressure supply line through a valve. The valve is opened, and...
hair dryer may be idealized as a circular duct through which a small fan draws ambient...
hair dryer may be idealized as a circular duct through which a
small fan draws ambient air and within which the air is heated as
it flows over a coiled electric resistance wire.
(1) If a dryer is designed to operate with an electric power
consumption of Pelec= 1500 W and to heat air from an ambient
temperature of Ti= 20°C to a discharge temperature of To= 45°C, at
what volumetric flow rate ∀˙ should the fan operate? Heat loss...
A fan draws air from the atmosphere through a 0.3 m diameter round duct that has a smoothly round...
A fan draws air from the atmosphere through a 0.3 m diameter
round duct that has a smoothly rounded entrance. A differential
manometer connected to an opening in the wall of the duct shows a
vacuum pressure of 2.5 cm of water. The density of air is 1.22
kg/m3.
(a) Determine the volume rate of air flow in the duct in cubic
feet per second.
(b) What is the power of the fan?
Fan 0.30 m 2.5 cm
Fan 0.30...
1) inside D = OD - 2 (thickness t) A (Area) =pi/4 (D^2) Volumetric flow (V)=...
1) inside D = OD - 2 (thickness t)
A (Area) =pi/4 (D^2)
Volumetric flow (V)= (C m/s) (A m^2)
C=velocity
I can't figure out the density kg/m^3
rho= 1/v (m^3/kg) - specific volume
A fluid that has a relative density of 0.013 is passed through a pipe that has an outer diameter of 98 mm and a wall thickness of 10 mm. The mass flow rate of the fluid measured to be 660 kg/min, determine the average velocity of...
Water at 20°C flows in a steel pipe whose diameter is 26.65 mm. The volume flow...
Water at 20°C flows in a steel pipe whose diameter is 26.65 mm. The volume flow rate of the water in the pipe is measured to be 3.155 x 10-4 3/s. The density at this temperature is given as 998.2 kg/m3. The mass flow rate is: m 0.315 kg/s | 1.22 kg/s O 0.522 kg/s O 0.575 kg/s 0.419 kg/s Previous Page Next Page Page 8 of 25
5. Refrigerant-134a at 700kPa, 70°C, and 8 kg/min is cooled by air in a condenser until...
5. Refrigerant-134a at 700kPa, 70°C, and 8 kg/min is cooled by air in a condenser until it exits as a saturated liquid at the same pressure. The cooling air enters the condenser at 1MPa and 10°C and leaves at 17°C at the same pressure. Determine: a) Considering only the Refrigerant as a system, the heat transfer rate of a refrigerant from the condenser in (kl/min). R-134a Tables are attached! b) The mass flow rate of the air required for cooling...
CHE 3315 FLUID MECHANICS PROBLEM SHEET 5: MASS CONSERVATION AND FLOW RATE 1. Determine the mass...
CHE 3315 FLUID MECHANICS PROBLEM SHEET 5: MASS CONSERVATION AND FLOW RATE 1. Determine the mass flow rate of air having a temperature of 20C and gauge pressure 80 kPa as it flows through a circular duct 400 mm in diameter with an average velocity of 3 m/s. The gas specific constant R 286.9 JK /kg 2. Determine the average velocity of the steady flow at one outlet of a T- junction if the inlet flow speed is 6 m/s...
Problem #4 (30 Points) Air at 110 kPa and 323°K flows upward through a 0.06m diameter...
Problem #4 (30 Points) Air at 110 kPa and 323°K flows upward through a 0.06m diameter inclined duct at a volume flow rate of 0.045 m3/s. The duct diameter is then reduced to 0.04m through a reducer. The pressure change across the reducer is measured by a water monometer (Density 1000 kg/m3) The elevation difference between the two points on the center of the pipe where the two arms of the monometer are attached is 0.2m. (1) Determine the density...
Nell/CUsers/Donsah/Desktop/2nd year 2nd semester/thermodynamics/Thermo I Slides Chapter 3 V02 pdf...
nell/CUsers/Donsah/Desktop/2nd year 2nd semester/thermodynamics/Thermo I Slides Chapter 3 V02 pdf Assignment 2: Zoom Out A centrifugal compressor receives air from the atmosphere where the pressure is 1 bar and the temperature is 300 K. at the discharge of the compressor, the pressure is 4 bar, the temperature is 480 K and the velocity is 100 m/s. the mass flow rate into the compressor is 1.5 kg/min. Determine the power to drive the compressor given that at 1 bar and 300...
I. Air at 300 C and 40o kfa enters a round duct with mass flow rate...
I. Air at 300 C and 40o kfa enters a round duct with mass flow rate of 2.22 kg kec a a) Deternine the duct diameter, in meters, required for an air velacity of 50 Mkec b) If the air exits at 240 c and 380 kfa through a duct iameter of 20 cm, determine the exit velocity, in m/sec? M with a
11: The state of liquid water is changed from 500 psia and 50°F to 3000 psia and 300°F. Determine the change in the internal energy and enthalpy of water on the basis of the (a) compressed liquid tables, (b) incompressible substance approximation and property tables, and (c) specific-heat model. 12: A 2-m3 rigid tank initially contains air whose density is 2.18 kg/m2. The tank is connected to a high- pressure supply line through a valve. The valve is opened, and...
hair dryer may be idealized as a circular duct through which a
small fan draws ambient air and within which the air is heated as
it flows over a coiled electric resistance wire.
(1) If a dryer is designed to operate with an electric power
consumption of Pelec= 1500 W and to heat air from an ambient
temperature of Ti= 20°C to a discharge temperature of To= 45°C, at
what volumetric flow rate ∀˙ should the fan operate? Heat loss...
A fan draws air from the atmosphere through a 0.3 m diameter
round duct that has a smoothly rounded entrance. A differential
manometer connected to an opening in the wall of the duct shows a
vacuum pressure of 2.5 cm of water. The density of air is 1.22
kg/m3.
(a) Determine the volume rate of air flow in the duct in cubic
feet per second.
(b) What is the power of the fan?
Fan 0.30 m 2.5 cm
Fan 0.30...
1) inside D = OD - 2 (thickness t)
A (Area) =pi/4 (D^2)
Volumetric flow (V)= (C m/s) (A m^2)
C=velocity
I can't figure out the density kg/m^3
rho= 1/v (m^3/kg) - specific volume
A fluid that has a relative density of 0.013 is passed through a pipe that has an outer diameter of 98 mm and a wall thickness of 10 mm. The mass flow rate of the fluid measured to be 660 kg/min, determine the average velocity of...
Water at 20°C flows in a steel pipe whose diameter is 26.65 mm. The volume flow rate of the water in the pipe is measured to be 3.155 x 10-4 3/s. The density at this temperature is given as 998.2 kg/m3. The mass flow rate is: m 0.315 kg/s | 1.22 kg/s O 0.522 kg/s O 0.575 kg/s 0.419 kg/s Previous Page Next Page Page 8 of 25
5. Refrigerant-134a at 700kPa, 70°C, and 8 kg/min is cooled by air in a condenser until it exits as a saturated liquid at the same pressure. The cooling air enters the condenser at 1MPa and 10°C and leaves at 17°C at the same pressure. Determine: a) Considering only the Refrigerant as a system, the heat transfer rate of a refrigerant from the condenser in (kl/min). R-134a Tables are attached! b) The mass flow rate of the air required for cooling...
CHE 3315 FLUID MECHANICS PROBLEM SHEET 5: MASS CONSERVATION AND FLOW RATE 1. Determine the mass flow rate of air having a temperature of 20C and gauge pressure 80 kPa as it flows through a circular duct 400 mm in diameter with an average velocity of 3 m/s. The gas specific constant R 286.9 JK /kg 2. Determine the average velocity of the steady flow at one outlet of a T- junction if the inlet flow speed is 6 m/s...
Problem #4 (30 Points) Air at 110 kPa and 323°K flows upward through a 0.06m diameter inclined duct at a volume flow rate of 0.045 m3/s. The duct diameter is then reduced to 0.04m through a reducer. The pressure change across the reducer is measured by a water monometer (Density 1000 kg/m3) The elevation difference between the two points on the center of the pipe where the two arms of the monometer are attached is 0.2m. (1) Determine the density...
nell/CUsers/Donsah/Desktop/2nd year 2nd semester/thermodynamics/Thermo I Slides Chapter 3 V02 pdf Assignment 2: Zoom Out A centrifugal compressor receives air from the atmosphere where the pressure is 1 bar and the temperature is 300 K. at the discharge of the compressor, the pressure is 4 bar, the temperature is 480 K and the velocity is 100 m/s. the mass flow rate into the compressor is 1.5 kg/min. Determine the power to drive the compressor given that at 1 bar and 300...
I. Air at 300 C and 40o kfa enters a round duct with mass flow rate of 2.22 kg kec a a) Deternine the duct diameter, in meters, required for an air velacity of 50 Mkec b) If the air exits at 240 c and 380 kfa through a duct iameter of 20 cm, determine the exit velocity, in m/sec? M with a
Most questions answered within 3 hours.
-
26) Briefly describe, using words or simple diagrams, the
chemiosmotic theory for coupling oxidation to phosphorylation...
asked 20 minutes ago -
Suppose that XX is a random variable with mean 16 and standard
deviation 5 . Also...
asked 1 hour ago -
Calculate the number density of argon gas at a temperature of
24C and a pressure of...
asked 4 hours ago -
Alternative
Classification
How to Estimate
Probabilities from Data? ( For continuous Attributes)
And How to generate...
asked 4 hours ago -
An explosion breaks a 20.0-kg object into three parts. The
object is initially moving at a...
asked 5 hours ago -
Calculate the approximate number of residues of Rubisco, which
is involved in carbon fixation in plants,...
asked 6 hours ago -
Other decisions about scientific claims can have a much broader
impact.ENERGYarrow-10x10.png, environment, health, security - all...
asked 7 hours ago -
I need to write a research paper and work cited about this
topic: The United States...
asked 7 hours ago -
Hello! I was wondering if I could have some help?
If the vapor pressure of carvone...
asked 7 hours ago -
An economist wants to estimate the mean per capita income (in
thousands of dollars) for a...
asked 8 hours ago -
What would be the input/output characteristic of a circuit
obtained by putting two of your 2's-complementers...
asked 8 hours ago -
In Drosophila, the transition from the syncytial blastoderm
stage to the cellular blastoderm stage is a...
asked 8 hours ago