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Kamila [148]
3 years ago
14

Steam at 500 bar and 500°C undergoes a throttling expansion to 1 bar. What will be the temperature of the steam after the expans

ion? What would be the downstream temperature if the steam were replaced by an ideal gas, CP/R = 7/2?
Engineering
1 answer:
aleksandr82 [10.1K]3 years ago
8 0

T1=T2=500°C

<u>Explanation:</u>

Given-

Pressure, P1 = 500 bar

Temperature, T1 = 500°C

P2 = 1 bar

T2 after expansion, = ?

We know,

P1/T1 = P2/T2

500/ 500 = 1/T2

T2 = 1°C

If the steam were replaced by an ideal gas, since enthalpy of ideal gas is a function of temperature only, we easily obtain T2 = T1 = 500°C

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