| Issue |
E3S Web Conf.
Volume 459, 2023
XXXIX Siberian Thermophysical Seminar (STS-39)
|
|
|---|---|---|
| Article Number | 05010 | |
| Number of page(s) | 5 | |
| Section | Heat and Mass Transfer During Phase Transitions | |
| DOI | https://doi.org/10.1051/e3sconf/202345905010 | |
| Published online | 04 December 2023 | |
Heat transfer of a modified surface with a dispersed coolant flow
National Research University “MPEI”, 111250, Russia, Moscow, st. Krasnokazarmennaya, 14
* Corresponding author: schteling@gmail.com
The authors carried out a modification of the surface of the working section of the experimental stand, which simulates the energy-loaded elements of thermonuclear installations. The surface was modified by the knurling method, as a result of which structures with a characteristic size of 250 μm were obtained. An experimental study of the heat transfer of a modified surface with a dispersed coolant flow was carried out. The excess pressure of the coolant at the nozzle inlet was (1.5–3.5) × 105 Pa), the mass flow rate of the coolant (distilled water) was (3.9–6.1)×10-3 kg/s, irrigation density varied within (4.2–6.2) kg/(m2·s), initial temperature of the coolant 25.8–26.4 °C. As a result, experimental dependences of the heat flux density and heat transfer coefficient on the temperature of the cooled wall were obtained. The results obtained on the modified surface were compared with the results obtained on the surface without modified structures under similar operating parameters of the coolant.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.