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What is the mode of heat transfer in vacuum? Define absorptivity, reflectivity and transmissivity.
written 8.8 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 4.9 years ago
heat transfer
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written 8.8 years ago by gravatar for teamques10 teamques10 ★ 69k

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  • Radiation is the mode of heat transfer in vacuum.
  • When incident radiation (G) also called irradiation (defined as the total incident radiation on a surface from all direction per unit time and per unit area of surface; expressed in W/m2 and denoted by G) impinges on a surface, three things …

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