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,compute the temperature (in K)

,compute the temperature (in K)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Carbon is allowed to diffuse through a steel plate 11 mm thick. The concentrations of carbon at the two faces are 0.85 and 0.42 kg C/m³ in Fe, which are maintained constant. If the preexponential and activation energy are 6.2 × 10-7 m²/s and 80,000 J/mol, respectively, compute the temperature (in K) at which the diffusion flux is 6.5 × 10-10 kg/m²-s. i 1170 K eTextbook and Media Hint Assistance Used Review Sections 5.3 and 5.5, in particular Equations 5.2, 5.3, and 5.8. dC J = -D dx (5.2) dC AC Сл — Св concentration gradient : dx (5.3) Ax ХА — Хв D = Do exp| (5.8) RT
Transcribed Image Text:Carbon is allowed to diffuse through a steel plate 11 mm thick. The concentrations of carbon at the two faces are 0.85 and 0.42 kg C/m³ in Fe, which are maintained constant. If the preexponential and activation energy are 6.2 × 10-7 m²/s and 80,000 J/mol, respectively, compute the temperature (in K) at which the diffusion flux is 6.5 × 10-10 kg/m²-s. i 1170 K eTextbook and Media Hint Assistance Used Review Sections 5.3 and 5.5, in particular Equations 5.2, 5.3, and 5.8. dC J = -D dx (5.2) dC AC Сл — Св concentration gradient : dx (5.3) Ax ХА — Хв D = Do exp| (5.8) RT
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