Using liquid spray formations to improve aerodynamic performance of airfoils

George Loubimov, Douglas Fontes, Garett Loving, Michael Kinzel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Previous research on firefighting aircraft which employ dumping water from their lower surface to extinguish flames has shown that there are added lift benefits during dumping maneuvers which do not directly correlate to the exchange in water mass. In this case study, the effects of liquid spray formations on two dimensional aerodynamics are investigated by use of a numerical approach. Studies include chord-wise variation of liquid-jets and variation of spray momentum ratios. Comparisons are also made to previous, single-phase, jet-flap numerical experiments and show favorable agreement. Findings show that increases in lift coefficient and decreases in drag coefficient are observed with the presences of liquid jets located on the lower surface.

Original languageEnglish (US)
Title of host publicationFluid Applications and Systems; Fluid Measurement and Instrumentation
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791883716
DOIs
StatePublished - 2020
EventASME 2020 Fluids Engineering Division Summer Meeting, FEDSM 2020, collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels - Virtual, Online
Duration: Jul 13 2020Jul 15 2020

Publication series

NameAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM
Volume1
ISSN (Print)0888-8116

Conference

ConferenceASME 2020 Fluids Engineering Division Summer Meeting, FEDSM 2020, collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels
CityVirtual, Online
Period7/13/207/15/20

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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