A novel valveless piezoelectric micropump with a bluff-body based on Coanda effect
Sign Up to like & getrecommendations! Published in 2018 at "Microsystem Technologies"
DOI: 10.1007/s00542-018-4215-5
Abstract: Based on the Coanda effect, a novel valveless micropump is presented in this paper, the special bluff-body is utilized to enhance the Coanda effect and increase the net flow of the micropump. In order to… read more here.
Keywords: novel valveless; based coanda; micropump; coanda effect ... See more keywords
The PELskin project: part IV—control of bluff body wakes using hairy filaments
Sign Up to like & getrecommendations! Published in 2017 at "Meccanica"
DOI: 10.1007/s11012-016-0513-0
Abstract: The passive control of bluff body wakes using a sparse layer of elastic hairy filaments has been investigated via a series of numerical simulations and compared to selected experiments under well-controlled boundary conditions. It has… read more here.
Keywords: body wakes; control; wakes using; control bluff ... See more keywords
Effects of the position of a bluff-body on the diffusion flames: A combined experimental and numerical study
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2017.12.031
Abstract: Abstract The effects of the position of a bluff-body on diffusion flame structures and flame instability characteristics were investigated both experimentally and numerically. The flame pattern diagram and the stability limits of the methane-air diffusion… read more here.
Keywords: position bluff; flame; diffusion; bluff body ... See more keywords
Impact of molecular mixing and scalar dissipation rate closures on turbulent bluff-body flames with increasing local extinction
Sign Up to like & getrecommendations! Published in 2019 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2019.04.039
Abstract: Abstract Bluff-body turbulent CH4: H2 (1:1) flames at 50% (HM1), 75% (HM2) and 91% (HM3) of the blow-off velocity (235 m s − 1 ) were studied experimentally by Masri and co-workers and found to exhibit gradually… read more here.
Keywords: local extinction; scalar dissipation; molecular mixing; bluff body ... See more keywords
A novel self-tuning wind energy harvester with a slidable bluff body using vortex-induced vibration
Sign Up to like & getrecommendations! Published in 2020 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2020.112472
Abstract: Abstract In this study, we propose a novel self-tuning vortex-induced vibration (VIV)-based piezoelectric energy harvesting system with a slidable bluff body configured in a circular cylinder to improve the output energetic performance. Unlike common frequency… read more here.
Keywords: novel self; energy harvester; bluff body; energy ... See more keywords
MILD combustion versus conventional bluff-body flame of a premixed CH4/air jet in hot coflow
Sign Up to like & getrecommendations! Published in 2019 at "Energy"
DOI: 10.1016/j.energy.2019.115934
Abstract: Abstract The present work is to investigate the MILD (moderate and intense low-oxygen dilution) combustion of a premixed methane jet in hot coflow against its conventional counterpart, i.e., a typical bluff-body flame, under identical inlet… read more here.
Keywords: bluff body; flame; mild combustion; combustion ... See more keywords
Measurements on flame structure of bluff body and swirl stabilized premixed flames close to blow-off
Sign Up to like & getrecommendations! Published in 2019 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2019.02.010
Abstract: Abstract The structure of unconfined lean premixed CH4/air flames stabilized with an axisymmetric bluff-body and a swirler was studied for conditions far from and close to blow-off. Blow-off was approached by gradually reducing the equivalence… read more here.
Keywords: flame structure; bluff body; structure; flame ... See more keywords
Experimental and numerical study on bluff-body and swirl stabilized diffusion flames
Sign Up to like & getrecommendations! Published in 2018 at "Fuel"
DOI: 10.1016/j.fuel.2017.12.061
Abstract: Abstract Bluff-body and swirl flow are commonly utilized to stabilize diffusion flames in industrial applications, such as gas turbines, ramjets and furnaces. Flame stabilization mechanisms of these two kinds of burners are similar with each… read more here.
Keywords: diffusion; body swirl; bluff body; flow ... See more keywords
Open and closed-loop control of a triangular bluff body using rotating cylinders
Sign Up to like & getrecommendations! Published in 2017 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2017.08.2475
Abstract: Abstract The active control of vortex shedding from a bluff body consisting of three rotating cylinders in triangular arrangement is studied numerically and experimentally. The flow is characterized at low Reynolds number Re ~ 4000… read more here.
Keywords: control; loop control; loop; closed loop ... See more keywords
Production and migration of turbulent kinetic energy in bluff body shear layers
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2020.108716
Abstract: Abstract An experimental campaign on a bluff body of rectangular cross section, having a side-length ratio of 5:1 was carried out using both particle image velocimetry and hot wire anemometry at a Reynolds number of… read more here.
Keywords: kinetic energy; body; turbulent kinetic; bluff body ... See more keywords
Excitation of high frequency thermoacoustic oscillations by syngas in a non-premixed bluff body combustor
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2019.04.087
Abstract: Abstract A laboratory-scale bluff body combustor is mapped for its stability and flame dynamics of non-premixed flames with three fuels, namely, pure H2, H2 CH4 mixture, and H2 CO mixture, the last one representing syngas.… read more here.
Keywords: combustor; bluff body; high frequency;