65 kg/min of water is heated from 20°C to 80°C passing through the duct of 3 cm x 2 cm. The duct is heated by condensing the steam on its outer surface. Find out the length of the duct required. Properties of water, p = 995 kg/m³, µ = 7.65 × 10-kg/m-s C = 4.174 kJ/kg-K, K = 0.623 W/m-K Conductivity of duct material = 35 W/m-K Use the following correlations: Nu = 0.023 Re0.8 Pr0.4 for turbulent flow nu 4.36 for laminar flo
65 kg/min of water is heated from 20°C to 80°C passing through the duct of 3 cm x 2 cm. The duct is heated by condensing the steam on its outer surface. Find out the length of the duct required. Properties of water, p = 995 kg/m³, µ = 7.65 × 10-kg/m-s C = 4.174 kJ/kg-K, K = 0.623 W/m-K Conductivity of duct material = 35 W/m-K Use the following correlations: Nu = 0.023 Re0.8 Pr0.4 for turbulent flow nu 4.36 for laminar flo
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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65 kg/min of water is heated from 20°C to 80°C passing through the duct of 3 cm x 2 cm. The duct is heated by condensing the steam on its outer surface. Find out the length of the duct required.
Properties of water, p = 995 kg/m³, µ = 7.65 × 10-kg/m-s
C = 4.174 kJ/kg-K, K = 0.623 W/m-K
Conductivity of duct material = 35 W/m-K
Use the following correlations: Nu = 0.023 Re0.8 Pr0.4 for turbulent flow
nu 4.36 for laminar flow
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