Adaptive fuzzy model identification to predict the heat transfer coefficient in pool boiling of distilled water

Authors:
Mihir K. Das;Nand Kishor
Affiliations:
Department of Mechanical Engineering, Motilal Nehru National Institute of Technology, Allahabad, India;Department of Electrical Engineering, Motilal Nehru National Institute of Technology, Allahabad, India
Venue:
Expert Systems with Applications: An International Journal
Year:
2009

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Abstract

In this paper, a modeling technique based on fuzzy system is used to predict the heat transfer coefficient in pool boiling of distilled water. To achieve this, an experimental investigation has been carried out for saturated boiling of distilled water from plain copper heating tube surface at atmospheric and sub-atmospheric pressures. An empirical correlation has been established to predict the boiling heat transfer coefficient. Further, the experimental data has been compared with those determined from the zero-order adaptive fuzzy model with heat flux as input variable. The representation accuracies of the pool boiling heat transfer coefficient for fuzzy model is very high as indicated from the performance index. The prediction performance of zero-order adaptive fuzzy model has also been compared with MATLAB based ANFIS function. Further, the statistical attributes are determined and compared with the experimental data set of pool boiling of distilled water available in open literatures.