Stochastic simulation of the spray formation assisted by a high pressure

Gorokhovski, Mikhael; Chtab-Desportes, A; Voloshina, I.; Аскарова, А.С.; Guo, Liejin; Joseph, D. D.; Matsumoto, Yoshiyuki; Sommerfeld, Y.; Wang, Yueshe

doi:10.1063/1.3366446

Cited by 15 publications

(14 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In cross-section chamber at a level between the lower and upper tiers of burners (z = 5.3 m) there is a clear picture of the current. Streams of pulverized fuel entering the combustion chamber, creating three-dimensional turbulence in the center of the chamber, whose velocity reaches 20 m/s, thereby improving process of mixing and increasing the intensity of heat and mass transfer [11], but the apparent differences in the nature of monodisperse and polydisperse burning flames is not observed (Fig. 4a, b).…”

Section: The Results Of Numerical Experimentsmentioning

confidence: 99%

Numerical investigation of heat and mass transfer processes in the combustion chamber of industrial power plant boiler. Part 1. Flow field, temperature distribution, chemical energy distribution

Аскарова

Maximov

Bolegenova

et al. 2017

ACM

View full text Add to dashboard Cite

In the present paper, the furnace chamber of the BKZ-160 boiler of Almaty TPP-3 (Kazakhstan) has been calculated. The thermal characteristics of the process were studied in the form of the distribution of temperature fields and chemical energy, and the aerodynamics of the combustion chamber was also calculated. The type of fuel, its elementary and fractional composition, exerts the greatest influence on the course of heat-mass exchange processes and aerodynamics. The computational experiment was carried out with two models of particle size distribution: a polydisperse fuel flame (the particle diameter varies from 10 to 120 μm) and monodisperse fuel flame (particle size identical and equal to d p = 60 μm). Based on the results of the computational experiments, the main regularities in the distribution of heat fluxes in the combustion chamber volume and flow aerodynamics were obtained. It is shown that the greatest thermal load falls on the central region of the walls of the combustion chamber and the location of the burner devices, which is typical for both mono-and polydisperse fuel flames. The temperature data obtained as a result of the computational experiment showed better convergence with the empirical data obtained directly at TPP-3. Aerodynamics of the flow for the two selected models of particle size distribution has insignificant differences, but how they affect other characteristics of the process is one of the following tasks in view of the authors. It should be noted that the calculation of the polydisperse fuel flame takes much more calculation time.

show abstract

Section: The Results Of Numerical Experimentsmentioning

confidence: 99%

Numerical investigation of heat and mass transfer processes in the combustion chamber of industrial power plant boiler. Part 1. Flow field, temperature distribution, chemical energy distribution

Аскарова

Maximov

Bolegenova

et al. 2017

ACM

View full text Add to dashboard Cite

show abstract

“…For carrying out computational experiments, the combustion chamber of the BKZ-75 boiler installed at the Shakhtinskaya TPP (Shakhtinsk, Kazakhstan) was selected. The steam boiler of the factory mark BKZ-75-vertically water-tube, with a productivity of 75 t/h (51.45 Gcal/h) [27]. The boiler is equipped with four pulverized coal burners which are installed in two on the front and back walls in one tier.…”

Section: Description Of the Combustion Chamber For Conducting Computamentioning

confidence: 99%

3-D Modeling of Heat and Mass Transfer Process During the Combustion of Solid Fuel in a Swirl Furnace

et al. 2019

View full text Add to dashboard Cite

In this work, a comprehensive study of thermal processes and aerodynamic and concentration characteristics of the combustion chamber of the boiler BKZ-75 of the Shakhtinskaya thermal power plant (Kazakhstan) are presented. A comparison of the characteristics of the combustion processes for two cases is given for the direct-flow method of supplying the mixture - the burners are located on opposite-side walls and the swirl-air mixture supplying method - burners with a swirl angle of the air mixture flow and their inclination to the centre of symmetry of the boiler by 30 degrees. The research results allow us to determine the optimal technological parameters of the studied object, to improve the methodology for the numerical study of heat and mass transfer processes in high-temperature and chemically reacting flows in the presence of turbulence, and also develop appropriate technological solutions for installing burner devices (direct-flow or swirl) in the studied combustion chamber.

show abstract

“…At computer simulation, the method of control volumes which is applied to numerically solve differential equations describing heat and mass transfer in the combustion chamber, and is described in detail in the following papers [18][19][20][21].…”

Section: Statement Of the Problem Of Burning Thermochemically Activatmentioning

confidence: 99%

3d Modeling of Combustion Thermochemical Activated Fuel

Аскарова¹,

Šafařík²,

Максимов³

et al. 2019

OF THE NATIONAL ACADEMY OFSCIENCES OF THE REPUBLIC OF KAZAKHSTA

View full text Add to dashboard Cite

Stochastic simulation of the spray formation assisted by a high pressure

Cited by 15 publications

References 0 publications

Numerical investigation of heat and mass transfer processes in the combustion chamber of industrial power plant boiler. Part 1. Flow field, temperature distribution, chemical energy distribution

Numerical investigation of heat and mass transfer processes in the combustion chamber of industrial power plant boiler. Part 1. Flow field, temperature distribution, chemical energy distribution

3-D Modeling of Heat and Mass Transfer Process During the Combustion of Solid Fuel in a Swirl Furnace

3d Modeling of Combustion Thermochemical Activated Fuel

Contact Info

Product

Resources

About