Theoretical and experimental investigation of heat transfer in pool boiling on cylindrical surface

In this thesis, the experimental, numerical and different computational intelligence methods of boiling heat transfer in isolated vapor bubble region on cylindrical surfaces have been investigated. Within the scope of the experimental study, the experimental setup has been carried out, the analyzes have been made with ANSYS FLUENT and the heat flux estimation has been done with different computational intelligence methods. For this purpose, the optimization of the boiling heat transfer has been made with the Artificial Bee Colony algorithm (ABC) as a new approach in the literature. Boiling heat flux models have been developed with different computational intelligence methods. A MATLAB code has been written to calculate the vapor bubble diameter using computerized image processing techniques. The results of the experimental study have been compared with the results of the numerical analysis using the ANSYS FLUENT. The boiling heat transfer analysis has been performed in 3 dimension. The vapor bubble volume fraction results obtained by using the image processing techniques based on the experimental results have been compared with those obtained from the ANSYS FLUENT model. It has been shown that the ANSYS FLUENT performs the calculation of surface temperature at the constant heat flux within the experimental error ranges. In addition, it has been shown that the heat flux calculation of the models obtained by the computational intelligence methods was successful and calculated with a lower error rate (% 17) than all known correlations.