Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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- ı need solutionarrow_forwardIf I have a simple piston-cylinder heat engine, where air is the working system and constant heat is applied, thereafter a mass is applied to the piston creating a higher pressure (reduction in volume), would this process be considered isothermal or polytropic? The walls of the cylinder are not insulted either.arrow_forwardSOLVE SIMPLY SO I CAN UNDERSTAND :)FINAL ANSWERS MUST BE ROUND TO 4 DECIMAL PLACES AND BOXED!arrow_forward
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- Q2: A long 25 cm diameter cylindrical shaft made of stainless steel 304 comes out of an oven at a uniform temperature of 500 •C. The shaft is then allowed to cool slowly in an environment chamber at 180 °C with an average heat transfer coefficient of h=90 W/m2. °C. Determine the temperature at the center of the shaft 40 min after the start of the cooling process. Also, determine the heat transfer per unit length of the shaft during this time period. Taking p=7900 kg/m3, * .Cp%3477 J/kg. •C, k= 14.9arrow_forwardIP Heat Transport in the Human Body The core temperature of the human body is 37.0 ∘C∘C, and the skin, with a surface area of 1.40 m2m2, has a temperature of 34.0 ∘C∘C. Find the rate of heat transfer out of the body under the following assumptions: (i) The average thickness of tissue between the core and the skin is 1.20 cmcm; (ii) the thermal conductivity of the tissue is that of water. Express your answer using two significant figures. Without repeating the calculation of part A, what rate of heat transfer would you expect if the skin temperature were to fall to 31.0 ∘C∘C? Express your answer using two significant figures.arrow_forwardAn apple is placed in a freezer at -15 ° C. In the beginning, the heat transfer rate on the surface of the apple with a uniform temperature of 20 ° C is 8 W / m2 ° C. Taking the apple as a 9 cm diameter sphere and taking the physical properties p = 840 kg / m2, c, -3.81 kJ / kg ° C, k-0.418 W / m ° C and a = 1.3 * 107 m2 / s, after 65 minutes ) calculate core (° C) and b) surface temperatures (° C).arrow_forward
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