Search Results - "Si, Fengqi"

Numerical study on the effects of primary air ratio on ultra-low-load combustion characteristics of a 1050 MW coal-fired boiler considering high-temperature corrosion by Jin, Wei, Si, Fengqi, Kheirkhah, Sina, Yu, Cong, Li, Hengyu, Wang, Ya'ou

“…•Effects of primary air ratio on ultra-low-load combustion of boiler were studied.•Combustion stability can be improved at primary air ratio of…”
Get full text

A Data-Driven Kernel Principal Component Analysis–Bagging–Gaussian Mixture Regression Framework for Pulverizer Soft Sensors Using Reduced Dimensions and Ensemble Learning by Jin, Shengxiang, Si, Fengqi, Dong, Yunshan, Ren, Shaojun

“…In light of the nonlinearity, high dimensionality, and time-varying nature of the operational conditions of the pulverizer in power plants, as well as the…”
Get full text

Effects of ambient temperature and crosswind on thermo-flow performance of the tower under energy balance of the indirect dry cooling system by Ma, Huan, Si, Fengqi, Li, Lan, Yan, Wensheng, Zhu, Kangping

“…The indirect dry cooling system, consisting mainly of the dry cooling tower and condenser, keeps energy balance under stable state. However dry cooling tower…”
Get full text

A concept of a supercritical CO2 Brayton and organic Rankine combined cycle for solar energy utilization with typical geothermal as auxiliary heat source: Thermodynamic analysis and optimization by Cao, Yue, Li, Peiyu, Qiao, Zongliang, Ren, Shaojun, Si, Fengqi

“…This paper presents an investigation of a supercritical CO2 Brayton and organic Rankine (sCO 2-ORC) combined cycle for solar energy utilization. This combined…”
Get full text

Effects of the forced convection induced by assistant fans on the thermal performance of an indirect dry cooling system by Ma, Huan, Cai, Ningning, Cai, Liang, Si, Fengqi

“…Auxiliary forced convection induced by axial flow fans was introduced to improve the ventilation and heat dissipation of a large-scale dry cooling tower under…”
Get full text

Combined effects of yaw and tilt angles of separated overfire air on the combustion characteristics in a 1,000 MW coal-fired boiler: A numerical study by Jin, Wei, Geng, Chamin, Wang, Ya’ou, Ma, Huan, Dong, Yunshan, Si, Fengqi

“…Separated overfire air (SOFA) is typically employed in coal-fired boilers with air staged technology to sustain lower NO X emission, and SOFA nozzle angles are…”
Get full text

Design Optimization of Plate-Fin Heat Exchanger in a Gas Turbine and Supercritical Carbon Dioxide Combined Cycle with Thermal Oil Loop by Cao, Yue, Zhan, Jun, Zhou, Jianxin, Si, Fengqi

“…This paper presents an investigation on the optimum design for a plate-fin heat exchanger (PFHE) of a gas and supercritical carbon dioxide combined cycle which…”
Get full text

Multiobjective Load Dispatch for Coal-Fired Power Plants under Renewable-Energy Accommodation Based on a Nondominated-Sorting Grey Wolf Optimizer Algorithm by Cao, Yue, Li, Tao, He, Tianyu, Wei, Yuwei, Li, Ming, Si, Fengqi

“…Coal-fired power plants are widely used to achieve a power balance in grids with renewable energy, which leads to new requirements for speediness in load…”
Get full text

Numerical Simulation of Membrane Separation Characteristics of Supercritical Carbon Dioxide and Water by Qiao, Zongliang, Pan, Yue, Tang, Youfei, Cao, Yue, Si, Fengqi

“…To solve the problem of water carryover in the supercritical CO separation and mining process in the CO plume geothermal system, a three-dimensional shell-tube…”
Get full text

A Novel Multi-Mode Bayesian Method for the Process Monitoring and Fault Diagnosis of Coal Mills by Fan, Wei, Ren, Shaojun, Zhu, Qinqin, Jia, Zhijun, Bai, Delong, Si, Fengqi

“…Process monitoring and fault diagnosis (PM-FD) of coal mills are essential to the security and reliability of the coal-fired power plant. However, traditional…”
Get full text

Dynamic Prediction of the Thermal Nonlinear Process Based on Deep Hybrid Neural Network by Wang, Peng, Si, Fengqi

“…Nonlinear system prediction plays an important role in the practical thermal process, and deep learning algorithm is now popular in nonlinear dynamic system…”
Get full text

An integrated theoretical fouling model for convective heating surfaces in coal-fired boilers by Pan, Yadi, Si, Fengqi, Xu, Zhigao, Romero, Carlos E.

“…Particulate fouling on convective heating surfaces in coal-fired power plant boilers could lead to significant efficiency deterioration and frequent unit…”
Get full text

Information entropy theory for steam turbine system monitoring study by Gu, Hui, Si, Fengqi, Cui, Yanfeng, Zhu, Hongxia, Cui, Xiaobo

“…A steam turbine is one of the components in a power plant. Considered as a strong coupling system, steam turbines may possess correlation information among the…”
Get full text

Enhancement in thermodynamic cycle condensation of a coal-fired power plant by integrating a PCM heat storage tank into the indirect dry cooling system by WANG, Baigong, MA, Huan, SI, Fengqi

“…This paper proposed a novel cooling system that combines a phase change material (PCM) with an indirect dry cooling system to enhance exhaust steam…”
Get full text

Study on Tube Profile and Heat Transfer Characteristics Under Flying-Ash Erosion by Dong, Yunshan, Si, Fengqi, Yang, Kun

“…Flying-ash erosion is the prime reason of the tube failure, involving the economy and safety of coal-fired power plants. To address this issue, computational…”
Get full text

Optimized scheme in coal-fired boiler combustion based on information entropy and modified K-prototypes algorithm by Gu, Hui, Zhu, Hongxia, Cui, Yanfeng, Si, Fengqi, Xue, Rui, Xi, Han, Zhang, Jiayu

“…•An integrated clustering is proposed for multi-objective optimization in a boiler.•E_Cluster and B_RED methods are handled for attribute reduction.•Clustering…”
Get full text

A Novel Method for the Prediction of Erosion Evolution Process Based on Dynamic Mesh and Its Applications by Yunshan Dong, Zongliang Qiao, Fengqi Si, Bo Zhang, Cong Yu, Xiaoming Jiang

“…Particle erosion is a commonly occurring phenomenon, and it plays a significantly important role in service life. However, few simulations have replicated…”
Get full text

DEM simulation and fractal analysis of particulate fouling on coal-fired utility boilers' heating surfaces by Pan, Yadi, Si, Fengqi, Xu, Zhigao, Romero, Carlos E., Qiao, Zongliang, Ye, Yalan

“…The microstructure features of particulate fouling on convective heating surfaces play a dominant role on the deposition process in coal-fired utility boilers…”
Get full text

Optimization of coal-fired boiler SCRs based on modified support vector machine models and genetic algorithms by Si, Fengqi, Romero, Carlos E., Yao, Zheng, Schuster, Eugenio, Xu, Zhigao, Morey, Robert L., Liebowitz, Barry N.

“…An integrated combustion optimization approach is presented for the combined considering the trade offs in optimization of coal-fired boiler and selective…”
Get full text

Adaptive Modeling and Operation Optimization for the Cold End System of Thermal Power Units based on Mechanism and Statistical Analysis by Jin, Wei, Ren, Shaojun, Dong, Yunshan, Si, Fengqi, Wang, Ce, Zhang, Zhenwei

“…The operation optimization for the cold end system is an efficient means to improve the economy of steam turbine units. To compensate for the inadequacy of the…”
Get full text