A 1.5-m long, copper rod is removed Irom a heat- treatment oven at 550°C and immersed in a 55°C airstream flowing at 2.5 m/s along the direction shown in the figure. If the rod has a 10 cm x 10 cm square cross-section, determine the following values: (for air, use k = 0.02735 W/m.K, Pr = 0.72, µ = 1.963x105 Pa.s, us = 3.261x10 $ Pa.s, cp = 1007 J/kg.K, p = 1.092 kg/m3) Air a- Nusselt number, Nu = b- Convection heat transfer coefficient, h = W/m?K c- Rate of heat loss from the rod. O = kW
A 1.5-m long, copper rod is removed Irom a heat- treatment oven at 550°C and immersed in a 55°C airstream flowing at 2.5 m/s along the direction shown in the figure. If the rod has a 10 cm x 10 cm square cross-section, determine the following values: (for air, use k = 0.02735 W/m.K, Pr = 0.72, µ = 1.963x105 Pa.s, us = 3.261x10 $ Pa.s, cp = 1007 J/kg.K, p = 1.092 kg/m3) Air a- Nusselt number, Nu = b- Convection heat transfer coefficient, h = W/m?K c- Rate of heat loss from the rod. O = kW
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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