1) Air modeled as an ideal gas enters a well-insulated diffuser operating at steady state at 270 K with a velocity of 180 m/s an
d exits with a velocity of 48.4 m/s. For negligible potential energy effects, determine the exit temperature, in K.
1 answer:
Answer:
Explanation:
Kinetic energy of a gas molecule = 3/2 k T
1/2 m v² = 3/2 k T
v² ∝ T
(v₁ / v₂)² = T₁ / T₂
( 180 / 48.4 )² = 270 / T₂
13.83 = 270 / T₂
T₂ = 19.52 K .
Exit temp = 19.52 K .
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