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Problem 1. Water flow through a pipe at an average temperature of T∞ = 50°C. The inner and outer radii of the pipe are r, = 6 cm and r2 = 6.5 cm, respectively. The outer surface of the pipe is wrapped with a thin electric heater that consumes 300 W per m length of the pipe. The expose surface of the heater is heavily insulated so that the entire heat generated in the heater is transferred to the pipe. Heat is transferred from the inner surace of the pipe to the water by convection with a heat transfer coefficient of h = 55 W/m²-C. Assuming constant thermal conductivity and one-dimensional heat transfer, express the mathematical formulation (the differential equation and the boundary conditions) of the heat conduction in the pipe during steady operation. Insulation Water Electric heater MIA VERS

Problem 1. Water flow through a pipe at an average temperature of T∞ = 50°C. The inner and outer radii of the pipe are r, = 6 cm and r2 = 6.5 cm, respectively. The outer surface of the pipe is wrapped with a thin electric heater that consumes 300 W per m length of the pipe. The expose surface of the heater is heavily insulated so that the entire heat generated in the heater is transferred to the pipe. Heat is transferred from the inner surace of the pipe to the water by convection with a heat transfer coefficient of h = 55 W/m²-C. Assuming constant thermal conductivity and one-dimensional heat transfer, express the mathematical formulation (the differential equation and the boundary conditions) of the heat conduction in the pipe during steady operation. Insulation Water Electric heater MIA VERS

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Problem 1. Water flow through a pipe at an average temperature of T = 50°C. The inner and outer radii of the pipe are r1 = 6 cm and r2 = 6.5 cm, respectively. The outer surface of the pipe is wrapped with a thin electric heater that consumes 300 W per m length of the pipe. The expose surface of the heater is heavily insulated so that the entire heat generated in the heater is transferred to the pipe. Heat is transferred from the inner surace of the pipe to the water by convection with a heat transfer coefficient of h = 55 W/m²-C. Assuming constant thermal conductivity and one-dimensional heat transfer, express the mathematical formulation (the differential equation and the boundary conditions) of the heat conduction in the pipe during steady operation. Insulation VERS Water Electric heater MIA
Transcribed Image Text:Problem 1. Water flow through a pipe at an average temperature of T = 50°C. The inner and outer radii of the pipe are r1 = 6 cm and r2 = 6.5 cm, respectively. The outer surface of the pipe is wrapped with a thin electric heater that consumes 300 W per m length of the pipe. The expose surface of the heater is heavily insulated so that the entire heat generated in the heater is transferred to the pipe. Heat is transferred from the inner surace of the pipe to the water by convection with a heat transfer coefficient of h = 55 W/m²-C. Assuming constant thermal conductivity and one-dimensional heat transfer, express the mathematical formulation (the differential equation and the boundary conditions) of the heat conduction in the pipe during steady operation. Insulation VERS Water Electric heater MIA
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