KNOWN: Inner surface temperature of insulation blanket comprised of two semi-cylindrical shells of different materials. Ambient air conditions. Solution by analogy with electrical circuit.
FIND: a) Equivalent thermal circuit.
b) Total heat loss and material outer surface temperature.
ASSUMPTIONS: 1) Steady-state conditions.
2) One-dimensional radial conduction.
3) Infinite contact resistance between materials.
4) Constant properties.
Calculation Reference
Fundamentals of Heat and Mass Transfer - Frank P. Incropera
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