Question 4 ( 2 5 points ) Air enters a compressor operating at steady state at 1 8 4 l b f i n 2 , 8 8 F with a volumetric flow rate ( A 1 V 1 ) of 4 8 4 f t 3 m i n and exits at 1 7 8 4 l b f i n 2 , 2 6 8 F Heat transfer occurs at a rate of 6 8 0 0 B t u h from the compressor to its surroundings Assuming the ideal gas model for air and neglecting kinetic and potential energy effects, determine the power input, in hp SCHEMATIC AND GIVEN DATA

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Question: Question 4 ( 2 5 points ) Air enters a compressor operating at steady state at 1 8 . 4 l b f i n

Question

4 (25

points

)

Air enters a compressor operating at steady state at

18.4 l b \frac{f}{i} n . ?^{2}, 88 F

with a volumetric flow rate

(A_{1} V_{1})

484 f \frac{t^{3}}{m} i n

and exits at

178.4 l b \frac{f}{i} n^{2}, 268 F .

Heat transfer occurs at a rate of

6800 B t \frac{u}{h}

from the compressor to its surroundings. Assuming the ideal gas model for air and neglecting kinetic and potential energy effects, determine the power input, in hp

.

SCHEMATIC AND GIVEN DATA:

Question 4 ( 2 5 points ) Air enters a compressor

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