Solution-Critical radius associated with the coating

Critical radius associated with the coating

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Reference no: EM13879475

A Bakelite coating is to be used with a 10-mm-diameter conducting rod, whose surface is maintained at 200°C by passage of an electrical current. The rod is in a fluid at 25°C, and the convection coefficient is 140 W/m2 · K. What is the critical radius associated with the coating? What is the heat transfer rate per unit length for the bare rod and for the rod with a coating of Bakelite that corresponds to the critical radius? How much Bakelite should be added to reduce the heat transfer associated with the bare rod by 25%?

Reference no: EM13879475

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Critical radius associated with the coating : A Bakelite coating is to be used with a 10-mm-diameter conducting rod, whose surface is maintained at 200°C by passage of an electrical current. The rod is in a fluid at 25°C, and the convection coefficient is 140 W/m2 · K. What is the critical ra..

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Critical radius associated with the coating

Reference no: EM13879475

Reference no: EM13879475

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