AI Article Synopsis
- Researchers have focused on understanding critical heat flux (CHF) on structured surfaces to improve thermal system safety and efficiency.
- Various theories have been proposed to explain CHF enhancement mechanisms, but experimental confirmation has been challenging due to current visualization limitations.
- The introduction of synchrotron x-ray imaging with high spatial and temporal resolutions has confirmed that capillary-induced flow is the main mechanism enhancing CHF on these surfaces.
Article Abstract
Over the last several decades, phenomena related to critical heat flux (CHF) on structured surfaces have received a large amount of attention from the research community. The purpose of such research has been to enhance the safety and efficiency of a variety of thermal systems. A number of theories have been put forward to explain the key CHF enhancement mechanisms on structured surfaces. However, these theories have not been confirmed experimentally because of limitations in the available visualization techniques and the complexity of the phenomena. To overcome these limitations and elucidate the CHF enhancement mechanism on the structured surfaces, we introduce synchrotron x-ray imaging with high spatial (~2 μm) and temporal (~20,000 Hz) resolutions. This technique has enabled us to confirm that capillary-induced flow is the key CHF enhancement mechanism on structured surfaces.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5825216 | PMC |
| http://dx.doi.org/10.1126/sciadv.1701571 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!