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- W4309181874 abstract "The current research compared the efficiency of the new generation refrigerants, propane (R290) and propene (R1270), for cooling applications. The refrigerants’ flow and phase change properties in a helical capillary tube are simulated using ANSYS Fluent 2021 R2 CFD software. For this virtual experiment, we have considered a helical capillary tube with an inner diameter of 1.2 mm and a total length of 2100 mm. The flashing phenomenon, in which the refrigerants undergo a phase change, is simulated using a finite volume-based mixture model. To estimate mass transfer during flashing, the Zwart-Gerber-Belamri model is utilised, which adheres to a homogeneous equilibrium strategy. A set of user-defined functions (UDF) is created to access the refrigerant and cavitation data. Bilinear interpolation is used to calculate the fluid’s characteristics at a given pressure and temperature. Available numerical and experimental results are used to verify the constructed numerical model. The investigation shows that under the same operating conditions, R290 refrigerant maintains a higher mass flow through the helical capillary tube than R1270. R1270 produces a lower temperature vapour-liquid mixture at the exit of the capillary tube in comparison to R290. CFD simulations have generated information and data that is helpful in choosing proper refrigerants for different purposes." @default.
- W4309181874 created "2022-11-24" @default.
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- W4309181874 date "2023-02-01" @default.
- W4309181874 modified "2023-10-01" @default.
- W4309181874 title "Comparison of the performance of propane (<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML altimg=si64.svg display=inline id=d1e2278><mml:mrow><mml:mi>R</mml:mi><mml:mn>290</mml:mn></mml:mrow></mml:math>) and propene (<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML altimg=si65.svg display=inline id=d1e2287><mml:mrow><mml:mi>R</mml:mi><mml:mn>1270</mml:mn></mml:mrow></mml:math>) as alternative refrigerants for cooling during expansion in a helical capillary tube: A …" @default.
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- W4309181874 doi "https://doi.org/10.1016/j.ijrefrig.2022.11.009" @default.
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