Air at 100kPa, 15oC and 250 m/s enters an insulated diffuser of a jet engine steadily. The

Question:

Air at 100kPa, 15oC and 250 m/s enters an insulated diffuser of a jet engine steadily. The inlet area of the diffuser is 0.5 m2. The air leaves the diffuser with a low velocity. Determine
(a) The mass flow rate of the air.
(b) The temperature of the air leaving the diffuser.