Air with a mass flow rate of 5 kg/s enters a horizontal nozzle operating at steady state at 450 K, 350 kPa, and velocity of 3 m/s. The nozzle is well insulated. At the exit, pressure is 300 kPa and temperature is 390 K. Using the ideal gas model for air, the area at the inlet is m², and the velocity at the outlet is Are potential effects negligible? Why? m/s. Is heat transfer negligible? Why? Note that you may choose to model the specific heat as constant.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Air with a mass flow rate of 5 kg/s enters a horizontal nozzle operating at
steady state at 450 K, 350 kPa, and velocity of 3 m/s. The nozzle is well
insulated. At the exit, pressure is 300 kPa and temperature is 390 K.
Using the ideal gas model for air,
the area at the inlet is
m²,
and the velocity at the outlet is
Are potential effects negligible? Why?
m/s.
Is heat transfer negligible? Why?
Note that you may choose to model the specific heat as constant.
Transcribed Image Text:Air with a mass flow rate of 5 kg/s enters a horizontal nozzle operating at steady state at 450 K, 350 kPa, and velocity of 3 m/s. The nozzle is well insulated. At the exit, pressure is 300 kPa and temperature is 390 K. Using the ideal gas model for air, the area at the inlet is m², and the velocity at the outlet is Are potential effects negligible? Why? m/s. Is heat transfer negligible? Why? Note that you may choose to model the specific heat as constant.
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