Saif S. Hasan1, Ali Sh. Baqir1, Hameed B. Mahood2,*
Energy Engineering, Vol.118, No.6, pp. 1595-1609, 2021, DOI:10.32604/EE.2021.017433
- 10 September 2021
Abstract In the present study, the effect of injecting air bubble size on the thermal performance of a vertical counter-current shell and coiled tube heat exchanger is experimentally investigated. The experiments were accomplished in a cylindrical shape heat exchanger with a 50 cm height and 15 cm outer diameter. Copper coil with 3.939 m equivalent length and 0.6 cm outer diameter was used to carry the hot fluid (water). Four different cold fluid (shell side) flow rates under laminar flow conditions (316 ≤ Re ≤ 1223), constant hot (coil side) flow rate fluid rates , four different injected… More >
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