Indoor air dry bulb temperature and relative humidity are 23 C and 45%, respectively. Determine a) the specific humidity ( d, kg/kg ); b) dew point temperature ( Tdp, C ); c) water vapor mass fraction ( Yv, kg/kg ); d) dry mass fraction ( Ya, kg/kg). Data: (if needed) Atmospheric pressure for all problems B = 100 kPa. Universal gas constant Ro = 8314.472 J/(kg.K) Air ideal gas constant R = 287 J/(kg.K) Atomic weights in kg/kmol: Carbon – 12.0107; Nitrogen – 14.0067; Oxygen – 15.9994 Isentropic exponent: k = 1.67 for monatomic gases; k = 1.40 for diatomic gases; k = 1.29 for polyatomic gases. Wien's displacement constant: b=0.0028977685 m.K. Standard state conditions: P =101325 Pa, T=273.15 K.
Indoor air dry bulb temperature and relative humidity are 23 C and 45%, respectively. Determine a) the specific humidity ( d, kg/kg ); b) dew point temperature ( Tdp, C ); c) water vapor mass fraction ( Yv, kg/kg ); d) dry mass fraction ( Ya, kg/kg). Data: (if needed) Atmospheric pressure for all problems B = 100 kPa. Universal gas constant Ro = 8314.472 J/(kg.K) Air ideal gas constant R = 287 J/(kg.K) Atomic weights in kg/kmol: Carbon – 12.0107; Nitrogen – 14.0067; Oxygen – 15.9994 Isentropic exponent: k = 1.67 for monatomic gases; k = 1.40 for diatomic gases; k = 1.29 for polyatomic gases. Wien's displacement constant: b=0.0028977685 m.K. Standard state conditions: P =101325 Pa, T=273.15 K.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Indoor air dry bulb temperature and relative humidity are 23 C and 45%, respectively. Determine a) the specific humidity ( d, kg/kg ); b) dew point temperature ( Tdp, C ); c) water vapor mass fraction ( Yv, kg/kg ); d) dry mass fraction ( Ya, kg/kg).
Data: (if needed)
Atmospheric pressure for all problems B = 100 kPa.
Universal gas constant Ro = 8314.472 J/(kg.K)
Air ideal gas constant R = 287 J/(kg.K)
Atomic weights in kg/kmol: Carbon – 12.0107; Nitrogen – 14.0067; Oxygen – 15.9994
Isentropic exponent: k = 1.67 for monatomic gases; k = 1.40 for diatomic gases; k = 1.29 for polyatomic gases.
Wien's displacement constant: b=0.0028977685 m.K.
Standard state conditions: P =101325 Pa, T=273.15 K.
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