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Thermodynamic Analysis of Heat Transfer in Insulated Materials
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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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Treal = T + 20 Tc = 100 ºC 10 cm 20 cm
= 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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