Search Results - "Chen, Zhi X."

Application of machine learning for filtered density function closure in MILD combustion by Chen, Zhi X., Iavarone, Salvatore, Ghiasi, Golnoush, Kannan, Veeraraghavan, D’Alessio, Giuseppe, Parente, Alessandro, Swaminathan, Nedunchezhian

“…A machine learning algorithm, the deep neural network (DNN)11The DNN code and a sample training dataset are available for public access at…”
Get full text

Influence of fuel plenum on thermoacoustic oscillations inside a swirl combustor by Chen, Zhi X., Swaminathan, Nedunchezhian

“…Large eddy simulation (LES) of a lean methane/air flame exhibiting self-excited thermoacoustic oscillations inside a swirl combustor is performed. The…”
Get full text

Large Eddy Simulation of a dual swirl gas turbine combustor: Flame/flow structures and stabilisation under thermoacoustically stable and unstable conditions by Chen, Zhi X., Langella, Ivan, Swaminathan, Nedunchezhian, Stöhr, Michael, Meier, Wolfgang, Kolla, Hemanth

“…A laboratory gas turbine model combustor with dual-swirler configuration is investigated using Large Eddy Simulation (LES) with a flamelet subgrid combustion…”
Get full text

Large Eddy simulation of a supersonic lifted hydrogen flame with perfectly stirred reactor model by Zhao, Majie, Chen, Zhi X., Zhang, Huangwei, Swaminathan, Nedunchezhian

“…Large Eddy Simulation with a Perfectly Stirred Reactor model (LES−PSR) is developed to simulate supersonic combustion with high-enthalpy flow conditions. The…”
Get full text

Prediction of local extinctions in piloted jet flames with inhomogeneous inlets using unstrained flamelets by Chen, Zhi X., Langella, Ivan, Barlow, Robert S., Swaminathan, Nedunchezhian

“…Multi-regime turbulent combustion modelling remains challenging and is explored with occurrence of local extinction in this study. A partially premixed model…”
Get full text

On the blow‐off correlation for swirl‐stabilised flames with a precessing vortex core by Massey, James C., Chen, Zhi X., Stöhr, Michael, Meier, Wolfgang, Swaminathan, Nedunchezhian

“…Large eddy simulations of turbulent swirl-stabilised flames gradually approaching blow-off conditions in a gas turbine model combustor are undertaken. The…”
Get full text

Investigation on the Flame Front and Flow Field in Acoustically Excited Swirling Flames with and without Confinement by Wang, Guoqing, Liu, Xunchen, Li, Lei, Chen, Zhi X., Qi, Fei

“…Open and confined dimethyl ether/air swirling flames were investigated with an acoustically excited swirling burner. Simultaneous particle-image velocimetry…”
Get full text

Modelling Heat Loss Effects in the Large Eddy Simulation of a Lean Swirl-Stabilised Flame by Massey, James C., Chen, Zhi X., Swaminathan, Nedunchezhian

“…The flame in a gas turbine model combustor close to blow-off is studied using large eddy simulation with the objective of investigating the sensitivity of…”
Get full text

Lean Flame Root Dynamics in a Gas Turbine Model Combustor by Massey, James C., Chen, Zhi X., Swaminathan, Nedunchezhian

“…A swirl-stabilised flame close to blow-off conditions in a gas turbine model combustor is investigated using large eddy simulation. The sub-grid combustion is…”
Get full text

Analysis of Flame Front Breaks Appearing in LES of Inhomogeneous Jet Flames Using Flamelets by Soli, Alessandro, Langella, Ivan, Chen, Zhi X.

“…The physical mechanism leading to flame local extinction remains a key issue to be further understood. An analysis of large eddy simulation (LES) data with…”
Get full text

Numerical Study of a Cyclonic Combustor under Moderate or Intense Low-Oxygen Dilution Conditions Using Non-adiabatic Tabulated Chemistry by Chen, Zhi X, Doan, N. Anh Khoa, Lv, Xiao Jing, Swaminathan, Nedunchezhian, Ceriello, Giuseppe, Sorrentino, Giancarlo, Cavaliere, Antonio

“…A cyclonic burner operating under moderate or intense low-oxygen dilution (MILD) conditions is simulated using a perfectly stirred reactor (PSR) incorporated…”
Get full text

A priori investigation of subgrid correlation of mixture fraction and progress variable in partially premixed flames by Chen, Zhi X., Doan, N. Anh Khoa, Ruan, Shaohong, Langella, Ivan, Swaminathan, N.

“…Subgrid correlation of mixture fraction, Z, and progress variable, c, is investigated using direct numerical dimulation (DNS) data of a hydrogen lifted jet…”
Get full text

Towards a generalised artificial neural network for sub-grid filtered density function closure in turbulent combustion by Yang, Hanying, Kobayashi, Tota, Iavarone, Salvatore, Massey, James C., Chen, Zhi X., Minamoto, Yuki, Swaminathan, Nedunchezhian

“…An artificial neural network (ANN) is trained on moderate or intense low-oxygen dilution (MILD) combustion to predict the sub-grid filtered density function…”
Get full text

A joint numerical study of multi-regime turbulent combustion by Fiorina, Benoît, Luu, Tan Phong, Dillon, Samuel, Mercier, Renaud, Wang, Ping, Angelilli, Lorenzo, Ciottoli, Pietro Paolo, Hernández–Pérez, Francisco E., Valorani, Mauro, Im, Hong G., Massey, James C., Li, Zhiyi, Chen, Zhi X., Swaminathan, Nedunchezhian, Popp, Sebastian, Hartl, Sandra, Nicolai, Hendrik, Hasse, Christian, Dreizler, Andreas, Butz, David, Geyer, Dirk, Breicher, Adrian, Zhang, Kai, Duwig, Christophe, Zhang, Weijie, Han, Wang, van Oijen, Jeroen, Péquin, Arthur, Parente, Alessandro, Engelmann, Linus, Kempf, Andreas, Hansinger, Maximilian, Pfitzner, Michael, Barlow, Robert S.

“…This article presents a joint numerical study on the Multi Regime Burner configuration. The burner design consists of three concentric inlet streams, which can…”
Get full text

Dynamic modelling of subgrid scalar dissipation rate in premixed and partially premixed flames with differential filter by Ferrante, Gioele, Chen, Zhi X., Langella, Ivan

“…Large eddy simulation (LES) paradigms are used in the present work to predict premixed and partially premixed turbulent flames with flamelets based…”
Get full text

DeepFlame: A deep learning empowered open-source platform for reacting flow simulations by Mao, Runze, Lin, Minqi, Zhang, Yan, Zhang, Tianhan, Xu, Zhi-Qin John, Chen, Zhi X.

“…Recent developments in deep learning have brought many inspirations for the scientific computing community and it is perceived as a promising method in…”
Get full text

Numerical investigation of azimuthal thermoacoustic instability in a gas turbine model combustor by Chen, Zhi X., Swaminathan, Nedunchezhian, Mazur, Marek, Worth, Nicholas A., Zhang, Guangyu, Li, Lei

“…Self-excited spinning mode azimuthal instability in an annular combustor with non-swirling flow is investigated using large eddy simulation (LES). Compressible…”
Get full text

Effect of swirl on premixed flame response at high forcing amplitudes by Kallifronas, Dimitrios P., Massey, James C., Chen, Zhi X., Balachandran, Ramanarayanan, Swaminathan, Nedunchezhian

“…The response of a lean premixed flame subjected to acoustic perturbations is a complex phenomenon that depends highly on the type of flame and the operating…”
Get full text

A multi-scale sampling method for accurate and robust deep neural network to predict combustion chemical kinetics by Zhang, Tianhan, Yi, Yuxiao, Xu, Yifan, Chen, Zhi X., Zhang, Yaoyu, E, Weinan, Xu, Zhi-Qin John

“…Machine learning has long been considered a black box for predicting combustion chemical kinetics due to the extremely large number of parameters and the lack…”
Get full text

Interaction between self-excited oscillations and fuel–air mixing in a dual swirl combustor by Chen, Zhi X., Swaminathan, Nedunchezhian, Stöhr, Michael, Meier, Wolfgang

“…A partially premixed gas turbine model combustor close to an industrial design is investigated using Large Eddy Simulation (LES). Two flames, one stable and…”
Get full text