Reducing the pressure drag of a D-shaped bluff body using linear feedback control
Sign Up to like & getrecommendations! Published in 2017 at "Theoretical and Computational Fluid Dynamics"
DOI: 10.1007/s00162-017-0420-6
Abstract: The pressure drag of blunt bluff bodies is highly relevant in many practical applications, including to the aerodynamic drag of road vehicles. This paper presents theory revealing that a mean drag reduction can be achieved… read more here.
Keywords: bluff; control; drag; pressure drag ... See more keywords
Suppressing galloping-induced vibrations by integrating bluff body with surface protrusions
Sign Up to like & getrecommendations! Published in 2024 at "AIP Advances"
DOI: 10.1063/5.0176781
Abstract: As a kind of self-excited large amplitude vibration, galloping is detrimental to engineering structures. Therefore, how to effectively suppress it has been a crucial issue for both industry and academia. In this Letter, a passive… read more here.
Keywords: bluff; surface protrusions; galloping induced; induced vibrations ... See more keywords
Study of vibration modes and strain distribution of a flow energy harvester in the wake region of different bluff bodies
Sign Up to like & getrecommendations! Published in 2021 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406221996737
Abstract: This paper aims to analyze mode shapes and corresponding strain distribution in a two-dimensional plane structure exhibiting flow-induced vibration in the wake field of four different upstream bluff bodies such as cylinder, square, triangle, and… read more here.
Keywords: energy; vibration; flow; bluff ... See more keywords
Design and performance evaluation of bluff bodies for NOx mitigation in non-premixed hydrogen flames
Sign Up to like & getrecommendations! Published in 2025 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/09544062251388324
Abstract: This study investigates the impact of bluff body shape on flame steadiness and NOx (Nitrogen Oxides) emissions in non-premixed hydrogen-air combustion. Three bluff body shapes—flat, concave curved, and concave sharp burners—are numerically analyzed using the… read more here.
Keywords: premixed hydrogen; non premixed; bluff; sharp burners ... See more keywords
Experimental investigation of distance between v-gutters on flame stabilization and NOx emissions
Sign Up to like & getrecommendations! Published in 2019 at "Thermal Science"
DOI: 10.2298/tsci180503007u
Abstract: Blow-off performance and NOx emissions of the propane and air mixture in a rectangular combustion chamber with bluff bodies were investigated experimentally and numerically. The effects of distance between bluff bodies on NOx emissions, the… read more here.
Keywords: distance; nox emissions; blow limit; distance gutters ... See more keywords