*63 9 Figure 18-49 shows (in cross section) a wall consisting of four layers, with thermal conductivities k = 0.060 W/m -K, kz = 0.040 W/m - K, and k4 = 0.12 W/m - K (k, is not known). The layer thicknesses are L = 1.5 cm, L3 = 2.8 cm, and L4 = 3.5 cm (L2 is not known). The known temperatures are T1 = 30°C, T12 = 25°C, and T, = -10°C. Energy transfer through the wall is steady. What is interface temperature Ty? T- T12 Tys -4-

*63 9 Figure 18-49 shows (in cross section) a wall consisting of four layers, with thermal conductivities k = 0.060 W/m -K, kz = 0.040 W/m - K, and k4 = 0.12 W/m - K (k, is not known). The layer thicknesses are L = 1.5 cm, L3 = 2.8 cm, and L4 = 3.5 cm (L2 is not known). The known temperatures are T1 = 30°C, T12 = 25°C, and T, = -10°C. Energy transfer through the wall is steady. What is interface temperature Ty? T- T12 Tys -4-

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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