Abdi Tadesse (PhD)Tegegn Demeku2019-09-042023-11-042019-09-042023-11-042018-09-05http://etd.aau.edu.et/handle/123456789/18978The focus of this thesis is on the property and the use of Fourier analysis in different fields containing differential equations. The Fourier transform of an integrable function f, is    F( )  f (x)eixdx We present properties of Fourier transform and visit Fourier transform in connection with heat transfer in a conducting wire and wave propagation in an infinite bar.enon Fourier TransformSome of its ApplicationsHeat TransferThesis