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**1. Homework Statement**

I have to find the energy removed through conduction from a copper pipe.

Pipe Inner Diameter (Din): 8mm

Pipe Wall Thickness (Dout): 1mm

Thermal Conductivity (k): 401W/m.K

Temp inside pipe -150C, Outside 30C

Length (L)=1m

**2. Homework Equations**

The Equation I used was as follows:

(Tout - Tin)/R=Q/s

Where R= ln(Dout/Din)/2.PI.k.L

**3. The Attempt at a Solution**

I ended up getting approximately 2050kW

Which too me seemed a bit high... Would just like someone else to validate I did everything correct.

Thanks