Calculating…
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How do we calculate?
Heat loss is calculated from cylindrical conduction and outer-surface convection: q = ΔT ÷ (ln(r₂/r₁) ÷ (2πλ) + 1 ÷ (h × 2πr₂)). Insulation λ = 0.04 W/mK; outer-surface coefficient 12 W/m²K for bare pipe and 9 W/m²K for insulated pipe.
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