نوع مقاله : مقاله علمی
عنوان مقاله English
نویسندگان English
This study presents a combined numerical simulation and thermodynamic analysis investigating the effect of condenser tube fouling on key operational parameters of the Shahid Modhej steam power plant (145 MW nominal capacity). The complete power cycle was simulated using Thermoflow software and validated against actual heat balance data. Energy analysis revealed that the condenser accounts for 48.92% of total energy output (heat rejection), representing the largest source of cycle inefficiency. Internal power consumption was estimated at 8,614 kW. The influence of fouling was examined across a cleanliness factor range of 20-100%. Results showed that reducing the cleanliness factor from 100% to 20% decreased efficiency by 5.5% and total generated power by 24 MW. Stable operation was found to be practically impossible below 55% cleanliness factor. Among evaluated tube materials, naval brass demonstrated the highest efficiency. Additionally, reducing active tube count from 10,280 to 4,000 resulted in a 1.47% efficiency reduction, highlighting the significant impact of tube blockage on overall plant performance.
کلیدواژهها English