A long cylinder of radius, ro = 2.8cm, thermal conductivity k = 225 S mk thermal diffusivity 1.10 kJ and initial temperature, T = 200°C is kgK suddenly exposed to a convective environment at To 65°C with a convection coefficient, a = 6.82x105 m², specific heat, c h=510- W Watch your units on this one! m²K Determine the temperature at the center of the cylinder after t 130s, time, of exposure to the convective environment in degrees Celsius. 97.14C 95.30 198.08 70.94

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A long cylinder of radius, ro = 2.8cm, thermal conductivity k = 225
S
mk
thermal diffusivity
1.10 kJ
and initial temperature, T = 200°C is
kgK
suddenly exposed to a convective environment at To 65°C with a convection coefficient,
a = 6.82x105 m², specific heat, c
h=510- W
Watch your units on this one!
m²K
Determine the temperature at the center of the cylinder after t 130s, time, of exposure to
the convective environment in degrees Celsius.
97.14C
95.30
198.08
70.94
Transcribed Image Text:A long cylinder of radius, ro = 2.8cm, thermal conductivity k = 225 S mk thermal diffusivity 1.10 kJ and initial temperature, T = 200°C is kgK suddenly exposed to a convective environment at To 65°C with a convection coefficient, a = 6.82x105 m², specific heat, c h=510- W Watch your units on this one! m²K Determine the temperature at the center of the cylinder after t 130s, time, of exposure to the convective environment in degrees Celsius. 97.14C 95.30 198.08 70.94
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