Prediction of NOx emission for coal-fired boilers based on deep belief network

F Wang, S Ma, H Wang, Y Li, J Zhang - Control Engineering Practice, 2018 - Elsevier
This study developed three types of deep belief network (DBN)-based models to estimate
NO X emission in coal-fired power plants by a new data acquisition method. Based on the …

Recirculating structures and combustion characteristics in a reverse-jet swirl pulverized coal burner

M Song, Q Huang, F Niu, S Li - Fuel, 2020 - Elsevier
Industrial pulverized coal boilers play an important role in the use of distributed energy, but
still suffer from severe pollutant emissions, combustion instabilities and poor fuel …

Numerical evaluation of pulverized coal swirling flames and NOx emissions in a coal-fired boiler: effects of co-and counter-swirling flames and coal injection modes

M Choi, Y Park, X Li, K Kim, Y Sung, T Hwang, G Choi - Energy, 2021 - Elsevier
A numerical evaluation was performed to investigate the effects of swirl arrangement (co-
swirling and counter-swirling flows) and coal injection mode (non-, fully-, and partially …

Experimental investigations on central vortex core in swirl spray flames using high-speed laser diagnostics

C Zhang, C Tao, H Song, X Han, L Li, X Liu, F Qi - Physics of Fluids, 2023 - pubs.aip.org
Centrally staged swirl combustion can effectively reduce NO x emission. However, the
complex combustion field is susceptible to producing large-scale coherent structures, such …

Impact of radial air staging on gas-particle flow characteristics in an industrial pulverized coal boiler

R Yan, Z Chen, B Zhang, Y Zheng, Z Li - Energy, 2022 - Elsevier
Radial air staging is a new air staging method for industrial pulverized coal boilers. In this
paper, its impact on the gas-particle flow characteristics of industrial pulverized coal boilers …

Investigation of transfer processes in swirling flows in application to vortex furnaces for coal fuel

SV Alekseenko, IS Anufriev, AA Dekterev… - International Journal of …, 2021 - Elsevier
In this work, the swirling flow structure was studied experimentally and numerically in a wide
range of operating parameters at a laboratory model of the promising furnace of pulverized …

Impact of co-and counter-swirl on flow recirculation and liftoff of non-premixed oxy-flames above coaxial injectors

A Degenève, R Vicquelin, C Mirat, J Caudal… - Proceedings of the …, 2021 - Elsevier
Controlling the flame shape and its liftoff height is one of the main issues for oxy-flames to
limit heat transfer to the solid components of the injector. An extensive experimental study is …

Effects of swirler vane angle on palm biodiesel/natural gas combustion in swirl-stabilised gas turbine combustor

MC Chiong, A Valera-Medina, WWF Chong, CT Chong… - Fuel, 2020 - Elsevier
Combustion characteristics of palm biodiesel/methyl esters (PME) and natural gas (NG)
blend were examined using a model gas turbine swirl burner at vane angle (θ) 30°, 45° and …

Effect of exhaust tube vortex on NOx reduction and combustion characteristics in a swirl-stabilized pulverized coal flame

K Kim, M Choi, X Li, K Deng, Y Park, Y Sung, G Choi - Fuel, 2020 - Elsevier
Experimental investigations were conducted on the effect of the exhaust tube vortex (ETV)
and the synergistic effect of the ETV and air staging on nitrogen oxide (NO) concentration …

Simultaneous particle size and 3D position measurements of pulverized coal flame with digital inline holography

Y Wu, X Wu, L Yao, Z Xue, C Wu, H Zhou, K Cen - Fuel, 2017 - Elsevier
Abstract 3D measurements of burning coal particles in the flame are challenging and of
great interest. Digital inline holography is applied to perform 3D measurement of coal …