Chemical Engineering - Mass Transfer - Discussion
Discussion Forum : Mass Transfer - Section 2 (Q.No. 42)
42.
(NRe . NSc) is termed in mass transfer operation as the __________ number.
Discussion:
4 comments Page 1 of 1.
Negative squared said:
9 months ago
Peclet Number : (N_Re * N_Pr).
Yash said:
4 years ago
Peclet No = Heat flux due to bulk flow / Heat flux due to conduction.
= U /(α/L).
= UL/&alpha.
And Re*Pr = (ρ*U*L/Mu)*(Cp*Mu/K).
=(ρ*U*L*Cp /K).
= U*L /(K/(ρ*Cp)).
= U*L /α.
= U /(α/L).
= UL/&alpha.
And Re*Pr = (ρ*U*L/Mu)*(Cp*Mu/K).
=(ρ*U*L*Cp /K).
= U*L /(K/(ρ*Cp)).
= U*L /α.
Vishal said:
6 years ago
Explain it please.
Sainitejprakash123@gmail.com said:
7 years ago
How? please define.
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