Enhancing heat transfer in a heat exchanger: CFD study of twisted tube and nanofluid (Al2O3, Cu, CuO, and TiO2) effects

• Published in: Case studies in thermal engineering Vol. 53; p. 103864
• Main Authors: Ghazanfari, Valiyollah, Taheri, Armin, Amini, Younes, Mansourzade, Fatemeh
• Format: Journal Article
• Language: English
• Published: Elsevier 01.01.2024
• Subjects: CFD; Heat exchanger performance; Nanofluids; Pressure drop; Twisted tube

This study investigates the influence of nanofluids on heat exchanger efficiency using 3-D computational fluid dynamics (CFD). The objective is to optimize the performance of twisted tubes by analyzing various pitch lengths (P = 180, 135, 90, 67.5, and 45 mm). The method's accuracy is validated...