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Numerical study on condensation heat transfer of R1234ze(E)/R152a in a horizontal smooth tube
Stable-state numerical simulations of the condensation heat transfer properties of the novel refrigerant NCUR01 (R1234ze(E) and R152a in a mass ratio of 4:6) have been performed using the volume of fluid (VOF) multiphase flow model. The findings demonstrate that as mass flux rises, the working substance’s fluid velocity increases at the same location within the tube, boosting the condensation heat transfer coefficient in the process. The condensation heat transfer force is strengthened by an increase in heat flux, which raises the condensation heat transfer coefficient. On the other hand, when the saturation temperature rises, the condensation heat transfer coefficient falls.
Numerical study on condensation heat transfer of R1234ze(E)/R152a in a horizontal smooth tube
Stable-state numerical simulations of the condensation heat transfer properties of the novel refrigerant NCUR01 (R1234ze(E) and R152a in a mass ratio of 4:6) have been performed using the volume of fluid (VOF) multiphase flow model. The findings demonstrate that as mass flux rises, the working substance’s fluid velocity increases at the same location within the tube, boosting the condensation heat transfer coefficient in the process. The condensation heat transfer force is strengthened by an increase in heat flux, which raises the condensation heat transfer coefficient. On the other hand, when the saturation temperature rises, the condensation heat transfer coefficient falls.
Numerical study on condensation heat transfer of R1234ze(E)/R152a in a horizontal smooth tube
Dai, Yuande (author) / Ren, Xueying (author) / Xu, Chaoping (author)
Science and Technology for the Built Environment ; 30 ; 579-587
2024-07-02
9 pages
Article (Journal)
Electronic Resource
English
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