Question: Derive an expression and determine the present uncertainty in the Nusselt number value for Natural convection heat transfer between the stored water in the

Derive an expression and determine the present uncertainty in the Nusselt number value for Natural convection

Derive an expression and determine the present uncertainty in the Nusselt number value for Natural convection heat transfer between the stored water in the enclosure and the water flowing through a single tube heat exchanger located at the top of the inclined enclosure. The boundary conditions are shown in the Figure. Take: Pwater-998kg/m m=0.15kg/s, Cp=4.17kj/kg.K, K=0.623w/m.C, D=10mm, Twater,stored=45C, Thot =53C Tw.in=25C, Tw.out=46C, W=80cm, L=100cm, B=11cm Hot water out Insulated wall L Stored water W cold water in Insulated wall Insulated Wall Hot Wall

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