Chemical Engineering - Mass Transfer - Discussion
Discussion Forum : Mass Transfer - Section 3 (Q.No. 50)
50.
Prandtl number for water at 20°C is about
Discussion:
4 comments Page 1 of 1.
Raiss said:
5 years ago
pr=specific heat*viscosity/thermal conductivity.
So,
Specific heat of water @ 20C= 4186 J/kg K.
Viscosity of water @20C= 0.001 poise.
Thermal conductivity @20C = 0.6 W/m K.
Equating gives 7.
So,
Specific heat of water @ 20C= 4186 J/kg K.
Viscosity of water @20C= 0.001 poise.
Thermal conductivity @20C = 0.6 W/m K.
Equating gives 7.
(1)
Jim said:
4 years ago
At T = 20 C.
Cp = 4.18.
Mu = 1.0016.
k = 0.583.
Pr = Cp*Mu/K.
= 7.18,
= 7.
Cp = 4.18.
Mu = 1.0016.
k = 0.583.
Pr = Cp*Mu/K.
= 7.18,
= 7.
(2)
Anurag pandey said:
6 years ago
Please difine.
Muthupandi said:
6 years ago
Explain How?
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