A stainless steel (AISI 304) tube used to transport a chilled pharmaceutical has an inner diameterof 36 mm and a wall thickness of 2 mm. The steel has thermal conductivity k=14.2 W/m/K Thepharmaceutical and ambient air are at temperatures of 6 °C and 23 °C, respectively, while thecorresponding inner and outer convection heat transfer coefficients are 400 W/m²/K and6 W/m²/K, respectively.(a) What is the heat gain per unit tube length?(b) What is the heat gain per unit length if a 10 mm thick layer of calcium silicate insulation0.05 W/m/K) is applied to the outer surface of the tube? Assume there is no contact=(Kinsresistance.

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and ambient air are at temperatures of 6 °C and 23 °C, respectively, w nner and outer convection heat transfer coefficients are 400 W/m²/K spectively. heat gain per unit tube length? heat gain per unit length if a 10 mm thick layer of calcium silicate insu /m/K) is applied to the outer surface of the tube? Assume there is no

and ambient air are at temperatures of 6 °C and 23 °C, respectively, w nner and outer convection heat transfer coefficients are 400 W/m²/K spectively. heat gain per unit tube length? heat gain per unit length if a 10 mm thick layer of calcium silicate insu /m/K) is applied to the outer surface of the tube? Assume there is no

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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Question

A stainless steel (AISI 304) tube used to transport a chilled pharmaceutical has an inner diameter
of 36 mm and a wall thickness of 2 mm. The steel has thermal conductivity k=14.2 W/m/K The
pharmaceutical and ambient air are at temperatures of 6 °C and 23 °C, respectively, while the
corresponding inner and outer convection heat transfer coefficients are 400 W/m²/K and
6 W/m²/K, respectively.
(a) What is the heat gain per unit tube length?
(b) What is the heat gain per unit length if a 10 mm thick layer of calcium silicate insulation
0.05 W/m/K) is applied to the outer surface of the tube? Assume there is no contact
=
(Kins
resistance.

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