ABSTRACT

This chapter presents the solution of inverse problems involving the estimation of inlet and boundary conditions in forced convection in parallel plate channels. It examines the solution of the inverse problem of estimating the inlet temperature profile in a steady-state laminar flow in a parallel plate duct. The chapter considers the estimation of the timewise variation of the inlet temperature in a transient problem. The inlet temperature is assumed to be uniform along the duct cross section. It examines the inverse problem of estimating the boundary heat flux axial variation in a steady state convection problem. The chapter presents the solution of the inverse problem of estimating the wall heat flux in a parallel plate channel, by using Technique IV, the conjugate gradient method with adjoint problem. It also examines the accuracy of the present function estimation approach by using transient simulated measurements of several sensors located inside the channel.