Determine the rate of entropy production within the duct

Assignment Help Mechanical Engineering

Reference no: EM13719300

Air at 300 kPa, 63oC, and a velocity of 423 m/s enters an insulated duct of varying cross-sectional area. The air exits at 150 kPa, 88oC. At the inlet, the cross-sectional area is 6.57 cm2.

Assuming the ideal gas model for the air and variable specific heats, determine:

a) the exit velocity, in m/s, and

b) the rate of entropy production within the duct, in kW/K if the mass flow rate of air is 0.5 kg/s

Reference no: EM13719300

Questions Cloud

How much did it cost you during this time : In your four years at college you dry your hair every day for 5 minutes with a 1200w hair dryer. how much did it cost you during this time

Find what is the smallest time of revolution mass can have : A disk on the ground has a mass1 sitting on it at a distance of r1 from the center. It is rotating at a constant rate. The weight has a velocity v1. What is the smallest time of revolution mass 1 can have without flying off

Decides to make a wing component from an aluminium alloy : Boeing decides to make a wing component from an aluminium alloy. This material is known to have a plane strain fracture toughness of 45 MPa m^(1/2). During component analysis, it was determined that the processing technique produced materials exhibit..

Find what is the electrical force acting on the charge : The electric field at the place where a 4 C charge is located is 100 N/C. What is the electrical force acting on the charge

Determine the rate of entropy production within the duct : Air at 300 kPa, 63oC, and a velocity of 423 m/s enters an insulated duct of varying cross-sectional area. The air exits at 150 kPa, 88oC. At the inlet, the cross-sectional area is 6.57 cm2.

Calculate the magnitude in newton of the centripetal force : An airplane flies at a constant speed (v) in a horizontal circle of radius (R). calculate the magnitude in Newton's of the centripetal force on the plane

Determine the velocity of the second log : A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 300 kg) that is also at rest. Determine the velocity of the second log if the lumberjack comes to rest on it

Find the final velocities of the balls : A 4.90-kg ball, moving to the right at a velocity of +1.75 m/s on a frictionless table, collides head-on with a stationary 7.05-kg ball. Find the final velocities of the balls if the collision meets Completely inelastic

How fast do the two of them slide across the snow : After sliding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.9 m/s. How fast do the two of them slide across the snow

User Account

All Pages