One kg of air at 350C DBT and 60% RH is mixed with 2kg of air at 200C DBT and 130C dew point temperature. Calculate the specific humidity, temperature and enthalpy of the mixture. Assume specific heat of steam as 1.88kJ/kg K and the following properties may be used:
Temperature
0C
|
Saturation
Pressure ps bar
|
Enthaply
of saturated
steam hg kJ/kg
|
13
|
0.0150
|
2525.4
|
20
|
0.0234
|
2538.2
|
26
|
0.0336
|
2549.1
|
27
|
0.0356
|
2550.9
|
35
|
0.0563
|
2565.4
|