View
214
Download
2
Category
Preview:
DESCRIPTION
Interpolation tutorial using thermodynamics steam tables
Citation preview
Interpolation Tutorial Example: Theinternalenergy,2950kJ/kg,isbetween2875.2and2957.3kJ/kg.Thereforethe temperatureisbetween350and400C.Todetermineexacttemperatureweneedto INTERPOLATE. INTERPOLATION Firstly find the ratio y, by dividing distance AB bydistance AC: (all of these values will be known) y =ABAC=abac =BACA Rearranging the previous formula gives theunknown value as, b = a +y(c a) y =2950 2875.22957.3 2875.2 = 0.91 Therefore the temperature is,T = 350 + (0.91)(50) = 395.5 C x y C BA a b c
Recommended