# Levenspiel, Weinstein, and Li t employed the method of least squares to estimate the parameters in a

Levenspiel, Weinstein, and Li t employed the method of least

squares to estimate the parameters in a dimensionless correlation using the

data of Sieder and Tate.t Their results were

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Levenspiel, Weinstein, and Li t employed the method of least squares to estimate the parameters in a

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Where

Nu = Nusselt number for heat transfer

Pr = Prandtl number

Re = Reynolds number

µ = viscosity of fluids a and w

Sixty-seven data sets were used and the variance of

What are the confidence limits on the estimated

coefficients?

By a theoretical analysis of heat transfer, the expression

for the heat transfer coefficient in the form of a dimensionless group is

Can the experimental equation be correct? Explain.