Design and Performance Optimization of Double-Pipe Type Heat Exchangers Based on CFD and Economic Analyses-A Numerical Study

Abstract

In this study, Double-Pipe Type Heat Exchangers design and performance optimization were examined. Dimensionless parameters were suggested for the heat exchanger design and the experimental design was made using these parameters through response surface methodology. Numerical models were created using the obtained design of experiments parameters and the models were solved using computational fluid dynamics software. Quadratic models have been proposed to estimate the outlet temperature and pressure drop values of Double-Pipe Type Heat Exchangers using various design parameters. The effect of each dimensionless design parameter on outlet temperature and pressure drop was evaluated and an optimum design for maximum heat transfer with minimum pressure loss is presented.

Keywords

• Computational fluid Dynamics
• Double pipe
• Heat exchanger
• Response-surface optimization
• Statistical optimization

Thanks

The authors would like to thank Tüfekçioğulları Machinery R&D Center and The Scientific and Technological Research Council of Türkiye under grant number 1501-3221347 for their support in the implementation part of the project.

Çift Borulu Tip Eşanjörlerin Tasarım ve Performans Optimizasyonu CFD ve Ekonomik Analizlere Dayalı Sayısal Bir Çalışma

Abstract

Bu çalışmada çift boru tip ısı eşanjörü tasarımı için boyutsuz parametreler önerilmiş ve bu parametreler kullanılarak yanıt yüzeyi metodolojisi ile deneysel tasarım yapılmıştır. Elde edilen deney tasarım parametreleri kullanılarak sayısal modeller oluşturulmuş ve modeller Hesaplamalı akışkanlar dinamiği yazılımı kullanılarak çözülmüştür. Çeşitli tasarım parametreleri kullanılarak Çift Borulu Tip Isı Değiştiricilerin çıkış sıcaklığı ve basınç düşüşü değerlerini tahmin etmek için kuadratik modeller önerilmiştir. Her bir boyutsuz tasarım parametresinin çıkış sıcaklığı ve basınç düşüşü üzerindeki etkisi değerlendirilmiş ve minimum basınç kaybı ile maksimum ısı transferi için optimum bir tasarım sunulmuştur.

Keywords

• Hesaplamalı akışkanlar dinamiği
• Çift boru
• Isı eşanjörü
• Tepki yüzeyi optimizasyonu
• İstatistiksel optimizasyon

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