A rod is made of two different layers:chromium and granite; as shown in the diagram below. Both layers have the same length (L = 0.28 m) and the same area ( A = 0.13 cm?). In the considered system, chromium is joined to the left hand which is at Tjeg = 60.1 C, whereas granite is in physical contact with the right end at Tight = 13.5 C. The thermal conductivity constants of the materials are given as k, = 93.7 W/ (m K) and k, = 2 W/ (m K). Assuming steady state is eventually achieved, answer the following questions. a) Evaluate the junction temperature between the two layers. Tundtion = 59,12 "c b) Calculate the rate of heat flow (power) through conduction in Sl units. P= 42.3614 X J/s Tieft Layer 1 Layer 2 Tright

A rod is made of two different layers:chromium and granite; as shown in the diagram below. Both layers have the same length (L = 0.28 m) and the same area ( A = 0.13 cm?). In the considered system, chromium is joined to the left hand which is at Tjeg = 60.1 C, whereas granite is in physical contact with the right end at Tight = 13.5 C. The thermal conductivity constants of the materials are given as k, = 93.7 W/ (m K) and k, = 2 W/ (m K). Assuming steady state is eventually achieved, answer the following questions. a) Evaluate the junction temperature between the two layers. Tundtion = 59,12 "c b) Calculate the rate of heat flow (power) through conduction in Sl units. P= 42.3614 X J/s Tieft Layer 1 Layer 2 Tright

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 20.8OQ: Beryllium has roughly one-half the specific heat of water (H2O). Rank the quantities of energy input...

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