Twenty m3/hr of air at 600 kPa, 330 K enters a well-insulated, horizontal pipe having a diameter of 1.2 cm and exits at 120 kPa. Assume steady state and use the ideal gas model for the air. Also assume constant specific heat, cp = 1.007 kJ/kg-K for air at 330 Determine the mass flow rate, in kg/s, and the exit velocity, in m/s.

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter2: The Kinetic Theory Of Gases
Section: Chapter Questions
Problem 42P: What is the total translational kinetic energy of the air molecules in a room of volume 23 m3 if the...
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Twenty m3/hr of air at 600 kPa, 330 K enters a well-insulated, horizontal pipe having a diameter of 1.2 cm and exits at 120 kPa.
Assume steady state and use the ideal gas model for the air. Also assume constant specific heat, c, = 1.007 kJ/kg-K for air at 330 K.
Determine the mass flow rate, in kg/s, and the exit velocity, in m/s.
Transcribed Image Text:Twenty m3/hr of air at 600 kPa, 330 K enters a well-insulated, horizontal pipe having a diameter of 1.2 cm and exits at 120 kPa. Assume steady state and use the ideal gas model for the air. Also assume constant specific heat, c, = 1.007 kJ/kg-K for air at 330 K. Determine the mass flow rate, in kg/s, and the exit velocity, in m/s.
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