“…The network simulation method is a numerical technique whose accuracy, efficiency and reliability have already been proven in numerous linear and nonlinear direct problems in heat transfer engineering [20,21,22,23,24,25,26,27,28,29,30,31]. NSM simulates the behaviour of unsteady electric circuits by means of resistors, capacitors and non-linear devices that seek to resemble thermal systems governed by unsteady linear or non-linear equations.…”