Abstract
Burning behavior of a suspended fuel droplet under both normal and microgravity fields has been studied experimentally to explore the effects of natural convection at high ambient pressure levels up to four times the fuel critical pressure. The fuel employed was n-octane. Experiments have shown that the burning rate constant increases with the increase of the ambient pressure at subcritical pressures and decreases at supercritical pressures for both microgravity and normal gravity fields. The maximum value of the burning rate constant appears at the critical pressure of the fuel. The natural convection increases the burning rate constant and its effect becomes stronger as the ambient pressure increases. The natural convection effect is expressed as ( K K 0 − 1) ∼ Gr 0.25 or ( (K K 0 − 1) ∼ P 0.5 for high pressures, where Gr is the Grashof number and K and K 0 are the burning rate constants in natural gravity and microgravity fields.
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 callDisclaimer: 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.
