Search results for: Deren Sheng

Items from 1 to 7 out of 7 results

article

Advanced exergoenvironmental evaluation for a coal-fired power plant of near-zero air pollutant emission

Xiliang Hong, Jianhong Chen, Hao Lyu, Deren Sheng, more

Applied Thermal Engineering > 2018 > 128 > C > 1139-1150

Advanced exergy and exergoenvironmental analyses based on life cycle assessment (LCA) are conducted to an SCPP with and without dust, SO₂ and NO_X mitigation controls. The analyses show that environmental impacts of components are mainly caused by exergy destruction while combustion chamber (COM) still has great potential to reduce pollutant environmental impact reduced by 99.5% by near-zero air pollutant...

article

Peaking capacity enhancement of combined cycle power plants by inlet air cooling—Analysis of the critical value of relative humidity

Jianhong Chen, Huanyan Huang, Wei Li, Deren Sheng

Applied Thermal Engineering > 2017 > 114 > C > 864-873

The enhancement of combined cycle power plant (CCPP) peaking capacity during hot seasons by vapor absorption inlet air cooling (VAIAC) has been analyzed. The vapor absorption chiller utilizes steam extracted from heat recover steam generator (HRSG) as thermal energy source. The cooling load, which consists of sensible heat and latent heat, is significantly affected by ambient relative humidity (RH)...

article

The improved distribution method of negentropy and performance evaluation of CCPPs based on the structure theory of thermoeconomics

Hongkun Li, Jianhong Chen, Deren Sheng, Wei Li

Applied Thermal Engineering > 2016 > 96 > C > 64-75

In order to evaluate the performance of components in the large gas-fired combined cycle power plant (CCPP), an improved thermoeconomic analysis method based on the structure theory of thermoeconomics is proposed. First, the fuel-product model is established; the productive structure and the distribution method of negentropy are modified. Negentropy produced and consumed in the gas turbine cycle is...

article

A hybrid data-driven modeling method on sensor condition monitoring and fault diagnosis for power plants

Jianhong Chen, Hongkun Li, Deren Sheng, Wei Li

International Journal of Electrical Power & Energy Systems > 2015 > 71 > C > 274-284

This paper proposes a new hybrid data-driven soft measurement modeling method for power plant sensor condition monitoring and fault diagnosis. The method integrates Generalized Regression Neural Network (GRNN), Mean Impact Value (MIV), Partial-Least Squares Regression (PLSR) and B-Spline transformation techniques. First, the relevant parameters are obtained from mechanism analysis and a GRNN model...

article

A novel sensor fault diagnosis method based on Modified Ensemble Empirical Mode Decomposition and Probabilistic Neural Network

Yunluo Yu, Wei Li, Deren Sheng, Jianhong Chen

Measurement > 2015 > 68 > Complete > 328-336

A novel fault diagnosis method based on Modified Ensemble Empirical Mode Decomposition (MEEMD) and Probabilistic Neural Network (PNN) is presented in this paper. It aims to achieve more accurate and reliable sensor fault diagnosis in thermal power plant. To restrain the mode mixing problem in traditional EMD, an MEEMD is proposed based on signal reconstruction and pseudo component identification....

article

Exergoeconomic analysis of a combined cycle system utilizing associated gases from steel production process based on structural theory of thermoeconomics

Hua Yao, Deren Sheng, Jianhong Chen, Wei Li, more

Applied Thermal Engineering > 2013 > 51 > 1-2 > 476-489

Exergoeconomic analysis plays an important role in finding ways to improve the performance of a complex thermal system. In this article, exergoeconomic analysis had been performed for a combined cycle system, which was proposed by authors, utilizing associated gases (blast-furnace gas, coke oven gas and sintering waste gas) from steel production process based on structural theory of thermoeconomics...

article

A novel nonlinear model of rotor/bearing/seal system and numerical analysis

Wei Li, Yi Yang, Deren Sheng, Jianhong Chen

Mechanism and Machine Theory > 2011 > 46 > 5 > 618-631

A novel nonlinear model of rotor/bearing/seal system based on the Hamilton principle is proposed for steam turbine systems in power plants. The Musznyska model and unsteady bearing oil-film force model were applied to describe the nonlinear steam excitation force and oil-film force. The Runge–Kutta method was used to solve the motion equation of the rotor/seal/bearing system. The dynamic characteristics...

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Keywords

SENSOR FAULT DIAGNOSIS (2)
ADVANCED EXERGOENVIRONMENTAL ANALYSIS (1)
ADVANCED EXERGY ANALYSIS (1)
ASSOCIATED GAS (1)
CCPP (1)
COMBINED CYCLE (1)
CRITICAL VALUE (1)
CUBIC B-SPLINE TRANSFORMATION (1)
DATA-DRIVEN (1)
DYNAMIC CHARACTERISTICS (1)
EMPIRICAL MODE DECOMPOSITION (1)
EXERGETIC COST (1)
EXERGOECONOMIC ANALYSIS (1)
GRNN–MIV (1)
HAMILTON PRINCIPLE (1)
INLET AIR COOLING (1)
MONETARY COST (1)
NEAR-ZERO AIR POLLUTANT EMISSION (1)
NEGENTROPY (1)
PERFORMANCE EVALUATION (1)
PLSR (1)
PROBABILISTIC NEURAL NETWORK (1)
RELATIVE HUMIDITY (1)
ROTOR (1)
SCPP (1)
STEAM EXCITATION (1)
STEEL PRODUCTION PROCESS (1)
STRUCTURE THEORY OF THERMOECONOMICS (1)
THERMOECONOMIC COST (1)
VAPOR ABSORPTION CHILLER (1)
VARIANCE (1)
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Journal

Applied Thermal Engineering (4)
International Journal of Electrical Power & Energy Systems (1)
Measurement (1)
Mechanism and Machine Theory (1)

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Search results for: Deren Sheng

Advanced exergoenvironmental evaluation for a coal-fired power plant of near-zero air pollutant emission

Peaking capacity enhancement of combined cycle power plants by inlet air cooling—Analysis of the critical value of relative humidity

The improved distribution method of negentropy and performance evaluation of CCPPs based on the structure theory of thermoeconomics

A hybrid data-driven modeling method on sensor condition monitoring and fault diagnosis for power plants

A novel sensor fault diagnosis method based on Modified Ensemble Empirical Mode Decomposition and Probabilistic Neural Network

Exergoeconomic analysis of a combined cycle system utilizing associated gases from steel production process based on structural theory of thermoeconomics

A novel nonlinear model of rotor/bearing/seal system and numerical analysis

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