Air flow through along duct of constant area at (0.15Kg/sec), a short section of the duct is cooled. The rate of heat loss in this section is (15 KJ/sec) from the air. The properties of the inlet and exit are shown in fig. below. Find: The duct cross-section area (A), change in enthalpy (dh), internal energy (du), drive and find change in entropy (ds). 1 Q 2 p1= 188Kpa T1=440 K р2=213 Кра V1-210 m/sec T2=351 K
Air flow through along duct of constant area at (0.15Kg/sec), a short section of the duct is cooled. The rate of heat loss in this section is (15 KJ/sec) from the air. The properties of the inlet and exit are shown in fig. below. Find: The duct cross-section area (A), change in enthalpy (dh), internal energy (du), drive and find change in entropy (ds). 1 Q 2 p1= 188Kpa T1=440 K р2=213 Кра V1-210 m/sec T2=351 K
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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