Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where mị = 0.8 kg/s and T6 = 30°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas. Air P = I bar - T¡ = 300 K P4 = 9 bar T = 800 K Weva WevB Compressor A Compressor B P2 = 3 bar +2 T2 = 600 K 3+ P3 = P2 T3 = 450 K -Heat exchanger T6, P6=Ps Water T3 = 20°C Ps = 1 bar Determine: (a) the total power for both compressors, in kW. (b) the mass flow rate of the water, in kg/s.
Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where mị = 0.8 kg/s and T6 = 30°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas. Air P = I bar - T¡ = 300 K P4 = 9 bar T = 800 K Weva WevB Compressor A Compressor B P2 = 3 bar +2 T2 = 600 K 3+ P3 = P2 T3 = 450 K -Heat exchanger T6, P6=Ps Water T3 = 20°C Ps = 1 bar Determine: (a) the total power for both compressors, in kW. (b) the mass flow rate of the water, in kg/s.
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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Transcribed Image Text:Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where
mų = 0.8 kg/s and Ts = 30°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be
neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas.
Air
Pi=1 bar
1+ Tj= 300 K
P4= 9 bar
T = 800 K
Weva
WevB
Compressor A
Compressor B
P2= 3 bar +2
T= 600 K
3+ P3= P2
T3 = 450 K
-9-
5-
-Heat exchanger
T6, P6= P5
Water
T3 = 20°C
Ps= 1 bar
Determine:
(a) the total power for both compressors, in kW.
(b) the mass flow rate of the water, in kg/s.
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