THERMODYNAMIC ANALYSIS OF RECUPERATIVE AIR PREHEATER

This paper present an approach for the optimization of air preheater for inline tube arrangement.Poor performance for air preheater is a reason for higher unit heat rate & deterioration for boiler efficiency due to losses of flue gas temperature as a sensible heat loss. Here two different size of tube diameter is analysed on CFD. & it shows that lower diameter tube there is considerable reduction in tube material which further reduce structural cost.