1. Engineering
  2. Mechanical Engineering
  3. thermodynamics problem an office that contains 10kg of air has...

Question: thermodynamics problem an office that contains 10kg of air has...

Question details

Thermodynamics problem

An office that contains 10kg of air has a ceiling fan that is rated at 20W. The sun provides 122kJ of energy to the room during the 8 hour workday and the fan runs for 3hours during the day. Throughout the workday, the room loses energy to the outdoor air at a rate of 649 J/min. A computer in the room draws 0.26 A from a 120-V outlet. If the computer is plugged in and running for 6.4hr, determine the change in the specific internal energy of the air in the room during the workday, in kJ/kg.

Need help with set up and solving the problem!

Solution by an expert tutor
Blurred Solution
This question has been solved
Subscribe to see this solution