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Q1: A solar concentrator provides a heat flux of 8000 W/m2 to heat a 10 mm plate on one side. The other side of the plate is exposed to convection at 40 W/m²k at 20°C. The plate material has a density of 800 kg/m3 and specific heat of 500 J/kg K. The initial temperature of the plate is 20°C. Thermal conductivity of the material is 80 W/m°C. (i) Determine the time for the plate to reach 100°C. (ii) Determine the plate temperature after 6 minutes.

Q1: A solar concentrator provides a heat flux of 8000 W/m2 to heat a 10 mm plate on one side. The other side of the plate is exposed to convection at 40 W/m²k at 20°C. The plate material has a density of 800 kg/m3 and specific heat of 500 J/kg K. The initial temperature of the plate is 20°C. Thermal conductivity of the material is 80 W/m°C. (i) Determine the time for the plate to reach 100°C. (ii) Determine the plate temperature after 6 minutes.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Q1: A solar concentrator provides a heat flux of 8000 W/m2 to heat a 10 mm plate on one side. The other side of the plate is exposed to convection at 40 W/m²k at 20°C. The plate material has a density of 800 kg/m3 and specific heat of 500 J/kg K. The initial temperature of the plate is 20°C. Thermal conductivity of the material is 80 W/m°C. (i) Determine the time for the plate to reach 100°C. (ii) Determine the plate temperature after 6 minutes.
Transcribed Image Text:Q1: A solar concentrator provides a heat flux of 8000 W/m2 to heat a 10 mm plate on one side. The other side of the plate is exposed to convection at 40 W/m²k at 20°C. The plate material has a density of 800 kg/m3 and specific heat of 500 J/kg K. The initial temperature of the plate is 20°C. Thermal conductivity of the material is 80 W/m°C. (i) Determine the time for the plate to reach 100°C. (ii) Determine the plate temperature after 6 minutes.
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