Develop the stiffness matrix and forcing vector

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In a double pipe heat exchanger, hot fluid flows inside a pipe and cold fluid flows outside in the annular space. The heat exchange between the two fluids is given by the differential equations, (refer to Exercise 2.5.12)

119_f451ebcb-c322-4e99-ba54-ba7b81134aee.png

Develop the stiffness matrix and forcing vector using

(a) Sub-domain method

(b) Galerkin method.

Reference no: EM131349654

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