Knowledge card
Standard surface Nu differs from the reference-temperature proxy
A convective boundary leaves T_s=T(x,0,t) unknown. Therefore Re_x^{-1/2}Nu_{x,s}=−(φ_k+4Rd/3)θ′(0)/θ(0); the expression without θ(0) is retained only as the explicitly named reference-temperature group Nũ_x.
Dimension I
Definition
What it is — and what it is not
- What it is
- S1Correction and justification — A convective boundary leaves T_s=T(x,0,t) unknown. Therefore Re_x^{-1/2}Nu_{x,s}=−(φ_k+4Rd/3)θ′(0)/θ(0); the expression without θ(0) is retained only as the explicitly named reference-temperature group Nũ_x. [1.1]
Dimension II
In practice
How to deal with it
No practical guidance recorded yet.
copyright© owned by Webiscopic Sdn. Bhd. 2026. All right reserved.
vproductionmain @ 5d8445a3