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https://doi.org/10.31803/tg-20171017145907

Numerical investigation of heat and mass transfer inside a wet cooling tower

Paolo Blecich   ORCID icon orcid.org/0000-0002-9678-3833 ; Faculty of Engineering, University of Rijeka, Vukovarska 58, HR-51000 Rijeka, Croatia
Tomislav Senčić ; Faculty of Engineering, University of Rijeka, Vukovarska 58, HR-51000 Rijeka, Croatia
Igor Wolf   ORCID icon orcid.org/0000-0002-8720-9549 ; Faculty of Engineering, University of Rijeka, Vukovarska 58, HR-51000 Rijeka, Croatia
Igor Bonefačić   ORCID icon orcid.org/0000-0002-0937-6659 ; Faculty of Engineering, University of Rijeka, Vukovarska 58, HR-51000 Rijeka, Croatia

Puni tekst: engleski, pdf (3 MB) str. 131-138 preuzimanja: 240* citiraj
APA 6th Edition
Blecich, P., Senčić, T., Wolf, I. i Bonefačić, I. (2018). Numerical investigation of heat and mass transfer inside a wet cooling tower. Tehnički glasnik, 12 (3), 131-138. https://doi.org/10.31803/tg-20171017145907
MLA 8th Edition
Blecich, Paolo, et al. "Numerical investigation of heat and mass transfer inside a wet cooling tower." Tehnički glasnik, vol. 12, br. 3, 2018, str. 131-138. https://doi.org/10.31803/tg-20171017145907. Citirano 18.11.2019.
Chicago 17th Edition
Blecich, Paolo, Tomislav Senčić, Igor Wolf i Igor Bonefačić. "Numerical investigation of heat and mass transfer inside a wet cooling tower." Tehnički glasnik 12, br. 3 (2018): 131-138. https://doi.org/10.31803/tg-20171017145907
Harvard
Blecich, P., et al. (2018). 'Numerical investigation of heat and mass transfer inside a wet cooling tower', Tehnički glasnik, 12(3), str. 131-138. https://doi.org/10.31803/tg-20171017145907
Vancouver
Blecich P, Senčić T, Wolf I, Bonefačić I. Numerical investigation of heat and mass transfer inside a wet cooling tower. Tehnički glasnik [Internet]. 2018 [pristupljeno 18.11.2019.];12(3):131-138. https://doi.org/10.31803/tg-20171017145907
IEEE
P. Blecich, T. Senčić, I. Wolf i I. Bonefačić, "Numerical investigation of heat and mass transfer inside a wet cooling tower", Tehnički glasnik, vol.12, br. 3, str. 131-138, 2018. [Online]. https://doi.org/10.31803/tg-20171017145907

Sažetak
This paper presents a numerical investigation of heat and mass transfer inside a wet cooling tower with forced air draft, which find application in energy process industries and oil refineries. The mathematical model consists of mass, momentum and energy conservation equations, water droplet trajectories and their interaction with the gas phase, the computational domain and boundary conditions. Numerical distributions of air velocity, air temperatures, water vapor fractions and evaporation rates are shown and discussed. The wet cooling tower achieves an efficiency of around 80%, which can be improved by optimizing the value of the water droplet size, nozzle spray angle and water-to-air flow rate ratio. The water droplet size has a dominant effect on the cooling tower efficiency, whereas small droplets improve the efficiency up to 10%. On the other hand, the spray angle and the water-to-air ratio lead to slight improvements, about 2-3% in the best case.

Ključne riječi
cooling tower; forced air draft; latent heat transfer; numerical modeling; water evaporation

Hrčak ID: 206048

URI
https://hrcak.srce.hr/206048

Posjeta: 365 *