Abstract
The natural convection of water in the vertical narrow annular gaps is visualized by using black ink and temperature distributions of a inner pipe wall are measured. The following results are obtained:(1) A uniform temperature distribution along the circumferential direction remains unchanged until the Rayleigh number which defines the convection generation reaches the critical value.(2) When the critical Rayleigh number exceeds, a pair of large circulating flows becomes visible.(3) The gap diatance d influences the value of the critical Rayleigh number, but the flow behavior does not change.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: JOURNAL OF THE FLOW VISUALIZATION SOCIETY OF JAPAN
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
