Design of a pulsed jet actuator for separation control
Sign Up to like & getrecommendations! Published in 2018 at "CEAS Aeronautical Journal"
DOI: 10.1007/s13272-018-0328-x
Abstract: A pulsed jet actuator for separation control has been developed for application in a real-scale wind tunnel experiment with focus on separation behind the pylon-wing junction. This paper covers the last steps of hardware design… read more here.
Keywords: pulsed jet; wind tunnel; control; separation ... See more keywords
Numerical simulations of high frequency transverse pulsed jet injection into a supersonic crossflow
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.105908
Abstract: Abstract The design of scramjet engines includes the investigation of minimally intrusive fuel delivery mechanisms which maximize jet fuel penetration and mixing. In subsonic crossflows it has been shown that pulsation of gaseous jets can… read more here.
Keywords: pulsed jet; penetration mixing; jet; supersonic crossflow ... See more keywords
Investigation of an optimal pulsed jet mixing and combustion in supersonic crossflow
Sign Up to like & getrecommendations! Published in 2021 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2021.01.005
Abstract: Abstract The enhanced mixing and combustion mechanism of pulsed sonic jet with optimal frequency in supersonic crossflow with a 10° ramp has been investigated using Large Eddy Simulation (LES). The results show that the energetic… read more here.
Keywords: mixing combustion; frequency; pulsed jet; jet ... See more keywords
Laboratory study of wind loads on a low-rise building in a downburst using a moving pulsed jet simulator and their comparison with other types of simulators
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2018.11.034
Abstract: Abstract Downburst produces strong winds near the ground and causes severe damage to buildings and people. The non-stationarity of downburst is characterized by moving downdraft and pulsed jet to the ground. In practice, both characteristics… read more here.
Keywords: low rise; simulator; pulsed jet; wind loads ... See more keywords
Effect of pleat shape on reverse pulsed-jet cleaning of filter cartridges
Sign Up to like & getrecommendations! Published in 2017 at "Powder Technology"
DOI: 10.1016/j.powtec.2016.09.013
Abstract: Abstract The effect of pleat shape on the reverse pulsed-jet cleaning of pleated filter cartridges was investigated in this study with the objective of improving the cleaning efficiency and quality. Pleated filter cartridges have been… read more here.
Keywords: pulsed jet; jet cleaning; reverse pulsed; cleaning ... See more keywords
Pulsed-jet propulsion via shape deformation of an axisymmetric swimmer
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Fluids"
DOI: 10.1063/5.0015498
Abstract: By using an axisymmetric immersed-boundary model, we numerically investigate the thrust generation of a deformable body via pulsed jetting. We focus on a single discharging process resulting from the deflation of the body as inspired… read more here.
Keywords: pulsed jet; jet; formation number; thrust generation ... See more keywords
Development of an Antihydropressure Miniature Underwater Robot With Multilocomotion Mode Using Piezoelectric Pulsed-Jet Actuator
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3189088
Abstract: The high-pressure environment of deep-sea challenges the miniaturization of underwater robots due to the assembly of antihydropressure devices for protecting the electromagnetic motor. Here, inspired by the motion principle of jellyfish, a novel piezoelectric pulsed-jet… read more here.
Keywords: miniature; piezoelectric pulsed; antihydropressure miniature; jet actuator ... See more keywords
Duffing–van der Pol nonlinear reduced-order model for explaining the phenomena and mechanism in pulsed jet flow separation control
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/09544100211068911
Abstract: A two-equation nonlinear reduced-order model is established to describe the interaction between external periodic excitation from a pulsed jet and unsteady flow separation. This model, which is based on a 2D Navier–Stokes equation, the Stuart… read more here.
Keywords: flow separation; pulsed jet; control; model ... See more keywords