Thermal resistance example problem shows how to draw a thermal circuit in series and how to find the thermal resistance equations for conduction thermal resistance, convection thermal resistance, and radiation thermal resistance.
Overall thermal resistance of a double pane window is modeled as primarily a one dimensional conduction problem, in two different ways, once with stagnant air in the center, and once with a vacuum between the two panes. This problem is appropriate for students just beginning their Heat Transfer course, or reviewing for the FE Exam.
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CHAPTERS
0:00 Heat Transfer Assumptions
2:36 Thermal Circuit Diagram in Series
3:40 Thermal Circuit Diagram with Radiation
4:49 Thermal Resistance Equations
7:12 Thermal Resistance Radiation
8:52 Solve Thermal Circuit in Series
11:10 Solve Thermal Circuit with Radiation
13:27 Iterative Solution for Temperature
16:24 Is Radiation Negligible?