Fuzzy Logic Modeling of Energy and Exergy Efficiencies in Drying Units Powered by Renewable Energy Sources

Year 2023, Volume: 38 Issue: 4, 981 - 991, 28.12.2023

Ahmet Elbir , Feyza Akarslan Kodaloğlu , Mehmet Erhan Şahin

https://doi.org/10.21605/cukurovaumfd.1410328

Abstract

Today, exergy analyses have become essential for addressing critical engineering and environmental issues, such as improving energy efficiency, sustainable resource utilization, and reducing environmental impacts. To enhance the potential of these studies in generating more effective and precise results, new methods, like fuzzy logic, have been successfully employed in the analysis and decision-making processes. This article examines the energy and exergy analyses and integrating these analyses with fuzzy logic. The Organic Rankine Cycle systems, denoted as ORC-1 and ORC-2, exhibit energy efficiencies of 10.66% and 10.92%, respectively, with ORC-2 displaying an exergy efficiency increase to 86.8%. The cooling system boasts a Coefficient of Performance (COP) of 3.64 and an exergy efficiency of 25.3%. With fuzzy logic method, the estimated exergy efficiency for ORC-1 reached 99.38%, and the energy efficiency was estimated at 97.33%. For ORC-2, the exergy efficiency was estimated at 98.66%, and the energy efficiency was estimated at 99.42%. The refrigerant quantity for the cooling system was estimated at 97.7%, and the COP was estimated at 98.03%.

Keywords

Renewable energy, Energy and exergy efficiency, Fuzzy logic, Sustainability

Yenilenebilir Enerji Kaynakları ile Beslenen Kurutma Ünitelerinde Enerji ve Ekserji Verimlerinin Bulanık Mantık Modellemesi

Abstract

Günümüzde ekserji analizleri, enerji verimliliği artırma, kaynakların sürdürülebilir kullanımı ve çevresel etkilerin azaltılması gibi kritik mühendislik ve çevre sorunlarını ele almak için vazgeçilmez hale gelmiştir. Bu çalışmaların daha etkili ve kesin sonuçlar üretme potansiyelini artırmak amacıyla, bulanık mantık gibi yeni yöntemler, analiz ve karar verme süreçlerine başarıyla uygulanmaktadır. Bu makalede, enerji ve ekserji analizleri ve bulanık mantık modellemesi incelenmiştir. ORC-1 ve ORC-2 olarak adlandırılan Organik Rankine Çevrimi sistemleri sırasıyla enerji verimliliği %10.66 ve %10.92'ye sahiptir, ancak ORC-2'nin ekserji verimi %86.8'e yükselir. Soğutma sistemi ise 3.64'lük bir COP değeri ve %25.3'lük ekserji verimine sahiptir. Bulanık mantık metodu ile: ORC-1 için ekserji verimliliği %99,38, enerji verimliliği ise %97,33 olarak tahmin edilmiştir. ORC-2 için ekserji verimliliği %98,66, enerji verimliliği ise %99,42 olarak tahmin edilmiştir. Soğutma sistemi için soğutkan miktarı %97,7, COP ise %98,03 olarak tahmin edilmiştir.

Keywords

Yenilenebilir enerji, Enerji ve exerji verimi, Bulanık mantık, Sürdürülebilirlik

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