The wall of a drying oven is constructed by sandwiching an insulation material W k = 0.1- between two thin metal sheets. The oven air is at Ti = 326°C, m.K W with a corresponding heat transfer h = 26- 2 m².K The inner wall also absorbs W 9 = 98- So, the heat loss radiation from objects inside the oven at a flux of From the inside of the oven comes from both radiation and convection. The room A m W ir is To = 20°C with a corresponding heat transfer ho = 12- What m². K 2 .
The wall of a drying oven is constructed by sandwiching an insulation material W k = 0.1- between two thin metal sheets. The oven air is at Ti = 326°C, m.K W with a corresponding heat transfer h = 26- 2 m².K The inner wall also absorbs W 9 = 98- So, the heat loss radiation from objects inside the oven at a flux of From the inside of the oven comes from both radiation and convection. The room A m W ir is To = 20°C with a corresponding heat transfer ho = 12- What m². K 2 .
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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Transcribed Image Text:. The wall of a drying oven is constructed by sandwiching an insulation material
W
k = 0.1
between two thin metal sheets. The oven air is at Ti = 326°C,
m. K
with a corresponding heat transfer h = 26
(n
W
2
m².K
The inner wall also absorbs
W
=
9
A
m
radiation from objects inside the oven at a flux of
from the inside of the oven comes from both radiation and convection. The room
W
air is To = 20°C with a corresponding heat transfer ho = 12-
What
m ·K
98.
2
●
So, the heat loss
insulation thickness (mm) is needed to maintain the outer wall temperature at
T=40°C? How much energy is lost due to convection inside the oven (W/m²).
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