FRICTIONAL PRESSURE DROP DURING CONDENSING FLOW INSIDE MINI/MICRO-CHANNELS: PREDICTIVE TOOLS ASSESSMENT AND DATA TREATMENT

FRANCISCO ALBERTO RAMIREZ RIVERA; NESTOR GUERRERO RODRIGUEZ; YOKASTA INMACULADA GARCIA FROMETA; ALISON SANCHEZ GARCIA

doi:https://doi.org/10.6036/10750

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FRICTIONAL PRESSURE DROP DURING CONDENSING FLOW INSIDE MINI/MICRO-CHANNELS: PREDICTIVE TOOLS ASSESSMENT AND DATA TREATMENT

JULY 2023 - Volume: 98 - Pages: 375-383

DOI:

https://doi.org/10.6036/10750

Authors:

FRANCISCO ALBERTO RAMIREZ RIVERA

- NESTOR GUERRERO RODRIGUEZ - YOKASTA INMACULADA GARCIA FROMETA - ALISON SANCHEZ GARCIA

Disciplines:

Thermodynamics (FENOMENOS DE TRANSPORTE )

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Received Date : 26 October 2022

Reviewing Date : 15 December 2022

Accepted Date : 29 March 2023

Key words:: Two-phase flow frictional pressure gradient, Mini/micro-channels, Condensing flow, New refrigerant fluid, Heat transfer, Collect database, low-GWP, refrigerant, pressure drop, condensing
Article type:: ARTICULO DE INVESTIGACION / RESEARCH ARTICLE
Section:: RESEARCH ARTICLES

A total of 1210 new condensation friction pressure gradient points (database) is collected from 12 open articles on mini/micro-channels literature. The database covered a wide range of thermophysical properties associated with low-GWP refrigerants, physical dimension, mass velocity and vapor quality. A comparison of the experimental database against eleven two-phase flow frictional pressure drop prediction tools is carried out. Based on that, the mini/micro-channel developed by Xu and Fang exhibited the best ability to capture the tendency of the database with a mean absolute relative deviation of (36.59%) for all data.

Keywords: Two-phase flow frictional pressure gradient; Mini/micro-channels; Condensing flow; New refrigerant fluid; Heat transfer; Collect database.

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