Physics, 06.10.2019 04:01 wbrandi118
Consider a homogeneous spherical piece of radioactive material of radius ro 5 0.04 m that is generating heat at a constant rate of e · gen 5 5 3 107 w/m3. the heat generated is dissipated to the environment steadily. the outer surface of the sphere is maintained at a uniform temperature of 110°c and the thermal conductivity of the sphere is k 5 15 w/m·k. assuming steady one-dimensional heat transfer, (a) express the differential equation and the boundary conditions for heat conduction through the sphere, (b) obtain a relation for the variation of temperature in the sphere by solving the differential equation, and (c) determine the temperature at the center of the sphere.
Answers: 1
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Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.
Answers: 2
Consider a homogeneous spherical piece of radioactive material of radius ro 5 0.04 m that is generat...
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