PERFORMANCE AND EXPERIMENTAL INVESTIGATION OF AIR COOLED CONDENSER IN THERMAL POWER PLANT

PERFORMANCE AND EXPERIMENTAL INVESTIGATION OF AIR COOLED CONDENSER IN THERMAL POWER PLANT
Author(s):
Dr Rupeshkumar V. Raman, Anjana D. Saparia, Dr J.H. Markna
Keywords:
Air Cooled Condenser, Ambient temperature, Dry cooling, Fouling
Abstract
This paper gives brief idea of air flow pattern as well as ambient conditions are studied. Fin cleaning plays a vital role in heat rejection. External surface cleaning improves air side heat transfer coefficient. The several factors that affect the performance of condense especially the consequences that result from the fouling of the finned-tubes. Ambient conditions affect the steam temperature and heat rejection rate. It is observed that rise in wind velocity decreases thermal effectiveness of Air-Cooled Condenser- ACC up to considerable level. Ambient temperature not only affects performance of ACC at the same time turbine back pressure also increases with rise in ambient temperature. Skirts are effective solution to reduce the effect of wind on volumetric effectiveness. Hot air recirculation increases with wind velocity. Rectifying the degradations in performance that result from external tube fouling, a number of cleaning procedures are described. In present era wind walls are used to reduce this effect. Second option is to increase fan speed.
Article Details
Unique Paper ID: 149118 Publication Volume & Issue: Volume 6, Issue 11 Page(s): 25 - 29
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