Throttling Process, Using Thermo Utilities, MS Excel Add-ins

Steam at 7.5 bar with 0.95 dryness fraction is throttled to 4.0 bar. Calculate the specific enthalpy, specific entropy, specific volume and temperature

1- at inlet

2- at outlet

What is the dryness fraction at outlet?

  
Inputs

Units

Inlet Pressure

7,50

bar

Inlet Dryness Fraction

0,95

C

Outlet Pressure

4,00

bar

.

Outputs

.

Inlet Enthalpy

2662,05

kJ/kg

Inlet Entropy

6,4486

kJ/(kg.K)

Inlet Specific Volume

0,2428

m3/kg

Inlet Temperature

167,75

C

Outlet Enthalpy

2662,05

kJ/kg

Output Entropy

6,7130

kJ/(kg.K)

Output Specific Volume

0,4459

m3/kg

Output Temperature

143,62

C

Dryness Fraction at Outlet

0,9646

.


Copyright © 1998 Taftan Data. All Rights Reserved