Estimation of local heat transfer coefficient in impingement jet by solving inverse heat conduction problem with mollified temperature data

The aim of this paper is to determinate local convective heat transfer coecient slot jet impingement using inverse heat conduction methods. The sequential specication function method and the conjugate gradient method are used to solve the Inverse Heat Conduction Problem (IHCP) and estimate the space-variable convective heat transfer coecient. This paper proposes a procedure to smooth the temperature data by the mollication method prior to utilizing the inverse method. The measured transient temperature data may be obtained from locations inside the body or on its inactive boundaries. The uncertainties in the estimated heat transfer coecient are calculated using bias and variance errors. The obtained results show that mollifying measured data causes an increase in the accuracy and stability of the estimation.