The variation of the dynamic viscosity of water with absolute temperature is given as T, K ,

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The variation of the dynamic viscosity of water with absolute temperature is given as

T, K                                     μ, Pa∙s
273.15........................1.787 × 10-3
278.15........................1.519 × 10-3
283.15........................1.307 × 10-3
293.15........................1.002 × 10-3
303.15........................7.975 × 10-4
313.15........................6.529 × 10-4
333.15........................4.665 × 10-4
353.15........................3.547 × 10-4
373.15........................2.828 × 10-4

Using these tabulated data, develop a relation for viscosity in the form of μ = μ(T) = A + BT + CT2 + DT3 + ET4. Using the relation developed, predict the dynamic viscosity of water at 50°C at which the reported value is 5.468 × 10-4 Pa∙s. Compare your result with the results of Andrade’s equation, which is given in the form of μ = D∙eB/T, where D and B are constants whose values are to be determined using the viscosity data given.

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