Abstract
Heat transfer during the boiling of water, ethyl alcohol and Freon-113 from a 30–70% porous layer at atmospheric pressure was investigated. Bubble boiling on a porous layer commenced at small temperature differences of 1–1.5 K. At high heat fluxes, a vapour film appears at the base of the porous layer, thus a qualitative change in the mechanism of bubble boiling occurs. In relatively thick porous layers, the transition to this new mode of boiling occurs at critical heat flux values two to three times greater than for smooth surfaces. A heat transfer hysteresis was observed in thick porous layers.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
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.