1.)For heat transfer purposes, a standing man can be modeled as a 34.17-cm-diameter, 173.37-cm-long vertical cylinder with both the top and bottom surfaces insulated and with the side surface at an average temperature of 34.46°C. For a convection heat transfer coefficient of 14.33 W/m2 · °C, determine the rate of heat loss from this man by convection in an environment at 20.36°C.
1.)For heat transfer purposes, a standing man can be modeled as a 34.17-cm-diameter, 173.37-cm-long vertical cylinder with both the top and bottom surfaces insulated and with the side surface at an average temperature of 34.46°C. For a convection heat transfer coefficient of 14.33 W/m2 · °C, determine the rate of heat loss from this man by convection in an environment at 20.36°C.
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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1.)For heat transfer purposes, a standing man can be modeled as a 34.17-cm-diameter, 173.37-cm-long vertical cylinder with both the top and bottom surfaces insulated and with the side surface at an average temperature of 34.46°C. For a convection heat transfer coefficient of 14.33 W/m2 · °C, determine the rate of heat loss from this man by convection in an environment at 20.36°C.
2.)Consider a 1,499.74-kg car cruising at constant speed of 73.89 km/h. Now the car starts to pass another car, by accelerating to 111.73 km/h in 5.84 s. Determine the additional power needed to achieve this acceleration.
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