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Başlık: Numerical investigation of the effect of variable baffle spacing on the thermal performance of a shell and tube heat exchanger
Yazarlar: Uludağ Üniversitesi/Mühendislik Fakültesi/Otomotiv Mühendisliği Bölümü.
0000-0002-7746-2014
Bayram, Halil
Sevilgen, Gökhan
ABG-3444-2020
57195356819
24722267300
Anahtar kelimeler: Energy & fuels
Baffle spacing
CFD
Heat exchanger
Continuous helical baffles
Moisture transport
Pressure-drop
Air-flow
Side
Automobile
Design
Bells
Computational fluid dynamics
Heat exchangers
Shells (structures)
Baffle spacing
Bell-delaware methods
Numerical investigations
Shell and tube heat exchangers
Steady-state condition
Theoretical calculations
Thermal characteristics
Three dimensional computational fluid dynamics
Numerical methods
Yayın Tarihi: 1-Ağu-2017
Yayıncı: MDPI
Atıf: Bayram, H. ve Sevilgen, G. (2017). ''Numerical investigation of the effect of variable baffle spacing on the thermal performance of a shell and tube heat exchanger''. Energies, 10(8), 1-16.
Özet: In this present study, numerical and theoretical analysis were both used to investigate the effect of the variable baffle spacing on the thermal characteristics of a small shell and tube heat exchanger. The numerical study was performed by using a three dimensional computational fluid dynamics (CFD) method and the computations were performed under steady-state conditions. We employed five different cases where the first had equal baffle spacing and the others had variable ones considering different configurations for balancing the pressure drop on the shell side. Theoretical calculations were run using the Bell-Delaware and Kern methods which are the most commonly used methods in the available literature. We show that the thermal performance of a shell and tube heat exchanger can be improved by evaluating together the results of the CFD and Bell-Delaware methods. From the numerical results, we can say that variable spacing with centered baffle spacing scheme can be proposed as an alternative shell side construction layout compared to an equal baffle spacing scheme. The numerical results were in good agreement with the theoretical data in the available literature.
URI: https://doi.org/10.3390/en10081156
https://www.mdpi.com/1996-1073/10/8/1156
http://hdl.handle.net/11452/30273
ISSN: 1996-1073
Koleksiyonlarda Görünür:Scopus
Web of Science

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