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Droplet Evaporation in a Gas-Droplet Mist Dilute Turbulent Flow behind a Backward-Facing Step
| Content Provider | MDPI |
|---|---|
| Author | Pakhomov, Maksim A. Terekhov, Viktor I. |
| Copyright Year | 2021 |
| Description | The mean and fluctuation flow patterns and heat transfer in a turbulent droplet-laden dilute flow behind a two-dimensional single-side backward-facing step are numerically studied. Numerical simulations are performed for water droplets, with the inlet droplet diameters $d_{1}$ = 1–100 μm; they have a mass fraction of $M_{L}_{1}$ = 0–0.1. There is almost no influence of a small number of droplets on the mean gas flow and coefficient of wall friction. A substantial heat transfer augmentation in a droplet-laden mist-separated flow is shown. Heat transfer increases both in the recirculating flow and flow relaxation zones for fine, dispersed droplets, and the largest droplets augment heat transfer after the reattachment point. The largest heat transfer enhancement in a droplet-laden flow is obtained for small particles. |
| Starting Page | 2333 |
| e-ISSN | 20734441 |
| DOI | 10.3390/w13172333 |
| Journal | Water |
| Issue Number | 17 |
| Volume Number | 13 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-08-26 |
| Access Restriction | Open |
| Subject Keyword | Water Gas-droplet Turbulent Flow Backward-facing Step Droplet Vaporization and Dispersion Eulerian Modeling Heat Transfer |
| Content Type | Text |
| Resource Type | Article |
