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Thermodynamic Analysis of Heat Transfer in Insulated Materials

Explore the heat transfer characteristics of insulated materials at varying temperatures to understand their thermal behavior and efficiency. Investigate conduction, convection, and radiation phenomena in this thermodynamic study.

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Thermodynamic Analysis of Heat Transfer in Insulated Materials

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  1. Treal = T + 20 Tc = 100 ºC 10 cm 20 cm

  2. = 7830 kg/m3 cp = 0.464 kW/(kg·K) k = 0.053 kW/(m·K) • h = hconv. libre + hradiación • hconv. libre = 0.01 kW/(m2·K) • hradiación = [(T+293)4 – 2934]/(T-0) • = 5.67·10-11 kW/ /(m2·K),  = 1 T=20, hradiación = 0.04 kW/(m2·K) • a = 2S/V=2S/(S·espesor)=2/espesor ha = 0.1/espesor, espesor = 4 mm, ha = 25 kW/(m2·K) h1 = h2 = h3 = 0.05 kW/(m2·K)

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