Investigation on effect of mixing distance on mixing process and combustion characteristics of double-cone burner

Zhao, Tiezheng; Liu, Xiao; Yang, Jian; Zheng, Hongtao

doi:10.1016/j.fuel.2019.05.043

Cited by 12 publications

(3 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For the study, computer simulation was used with the application of the FlowVision v2.3 software package. This product is designed to calculate hydro-and gas-dynamic problems (in a wide range of Reynolds and Mach numbers in arbitrary three-dimensional areas [5,[9][10][11][12][13][14][15].…”

Section: Methodsmentioning

confidence: 99%

Research of the mixing process in vortex static type devices

Afanasenko

Kulakov

2019

MATEC Web Conf.

View full text Add to dashboard Cite

Mixing in chemical technology is used to intensify chemical and heat-mass transfer processes, as well as for preparing emulsions, suspensions and obtaining homogeneous systems. The simplest way to carry out the process, which does not require an additional supply of mechanical energy, is to mix in a direct-flow environment, which only requires flow energy. Analysis of the existing designs of direct-flow mixers showed that the use of swirling devices of various types in order to increase the efficiency of the process is very promising. This article describes a study of the influence of the geometrical dimensions of the screw on the efficiency of mixing a two-component mixture using the FlowVision software package.

show abstract

Section: Methodsmentioning

confidence: 99%

Research of the mixing process in vortex static type devices

Afanasenko

Kulakov

2019

MATEC Web Conf.

View full text Add to dashboard Cite

show abstract

“…The FGM model performs the flamelet with the mixture fraction Z and the reaction progress variable C. 36,37 The Z and C are defined as follows:…”

Section: Numerical Approachesmentioning

confidence: 99%

Investigation on flame dynamic characteristics to air-inlet excitation in a gas turbine model combustor

Zhang

Liu

Zheng

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part A:

Self Cite

View full text Add to dashboard Cite

The combustion characteristics for a gas turbine (GT) model combustor in air-inlet excitation are studied by Large Eddy Simulation (LES). Time series of heat release rate (HRR) fluctuation is captured during simulation. The precessing vortex core (PVC) structure is shown by pressure iso-surface, and the single/double helix branches of PVC alternately evolve in one forcing cycle. With the rotation of PVC, the high-speed ring zone (HSRZ) is periodically squeezed, and large-scale vortex roll-up results from that. The flame root structure is also significantly affected by PVC, which is one of the reasons for the HRR fluctuation. With the increase of the forcing amplitude, the flame response is divided into three parts. The linear growth zone and secondary rising zone are separated by saturation plateau. The flame dynamics analysis shows that the change of the flame structures and flame front oscillation modes are the apparent mechanism of the nonlinear flame response appearance.

show abstract

“…Determination of the reasons leading to flame Lin X. et al [14] Experimental study Estimation of the effect of fuel replacements on the premixed combustion efficiency Analysis of Wobbe index, heat release ability and the theoretical demand of air supply Zhao et al [15] Numerical study Effect of the mixing distance and the mixing efficiency with a doublecone burner It was demonstrated that dimensionless distance affects the mixing process and the location of the high temperature zone as well as the emissions Wu B. et al [16] Numerical study [20] Experimental study Flame stability in chamber with a premixing Effects of fuel composition, the equivalence coefficient, the vortex number on the flame behaviour (static and dynamic) in premixed flow Rowhani A. et al [21] Experimental study…”

Section: Premixed Combustion Of Lean Methane In Vortex Chambermentioning

confidence: 99%

Micro-modular air driven combustion nozzle: Experimental and numerical modelling studies towards optimal geometric design

Dostiyarov

Садыкова

2022

THERM SCI

View full text Add to dashboard Cite

Experimental and numerical modelling studies on optimized design of micro-modular air driven combustion nozzle have been developed. Moreover, optimal angle of outlet swirler (vortex generator) connected in series with the nozzle has been analyzed in the context of minimization of NOx in the flue gases. Numerical modelling by ANSYS verifying the experimental data has been carried out. It has been established that an angle of about 20 degree of the outlet vortex generator has been able to assure optimal flame length and combustion efficiency.

show abstract

Investigation on effect of mixing distance on mixing process and combustion characteristics of double-cone burner

Cited by 12 publications

References 30 publications

Research of the mixing process in vortex static type devices

Research of the mixing process in vortex static type devices

Investigation on flame dynamic characteristics to air-inlet excitation in a gas turbine model combustor

Micro-modular air driven combustion nozzle: Experimental and numerical modelling studies towards optimal geometric design

Contact Info

Product

Resources

About