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Exergy-energy analysis of full repowering of a steam power plant

S. NIKBAKHT NASERABAD,K. MOBINI,A. MEHRPANAHI,M. R. ALIGOODARZ

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 54-67 doi: 10.1007/s11708-014-0342-6

Abstract: A 320 MW old steam power plant has been chosen for repowering in this paper.Steam is produced by a double-pressure heat recovery steam generator (HRSG) with reheat which obtainsThe results obtained from modeling and analyzing the energy-exergy of the original steam power plantand the repowered power plant indicate that the maximum efficiency of the repowered power plant is 52.04%This maximum efficiency occurs when utilizing two V94.3A gas turbines without duct burner in the steam

Keywords： full repowering     exergy analysis     V94.2 and V94.3A gas turbines     double-pressure HRSG     duct burner     Bandarabbassteam power plant     efficiency    

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Impacts of solar multiple on the performance of direct steam generation solar power tower plant with

Yan LUO, Xiaoze DU, Lijun YANG, Chao XU, Muhammad AMJAD

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 461-471 doi: 10.1007/s11708-017-0503-5

Abstract: and thermal storage capacity are two key design parameters for revealing the performance of direct steamgeneration (DSG) solar power tower plant.capacity can be optimized to obtain the minimum levelized cost of electricity (LCOE) by adjusting the powerTaking the dual-receiver DSG solar power tower plant with a given size of solar field equivalent electricitystorage capacity, they can decrease with the cost of thermal storage system but increase with the cost of power

Keywords： direct steam generation     solar power tower     solar multiple     thermal energy storage capacity     levelized cost    

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Steam turbine governor modeling and parameters testing for power system simulation

Ying LI, Chufeng PENG, Zenghui YANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 198-203 doi: 10.1007/s11708-009-0004-2

Abstract: The theoretical modeling, parameters test and model correction for a steam turbine (ST) governor areA set of ST Governor system model for power system simulation is created based on this research.A power system simulation for an actual power grid accident is conducted using this new model and the

Keywords： power system simulation     ST governor system     modeling     parameters testing    

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Updating the Fossil-fired Power Infrastructure via Supercritical Thermal Power Units

Song Zhiping

Strategic Study of CAE 2002, Volume 4, Issue 2,   Pages 22-27

Abstract: have been made worldwide to reach high levels of efficiency by using super-and ultra supercritical steamconditions for thermal power generation.This paper points out that China should follow this way of development for updating the fossil-fired power

Keywords： thermal power infrastructure     supercritical steam conditions     ultra-supercritical power unit     sustainable    

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Optimal operation of energy at hydrothermal power plants by simultaneous minimization of pollution and

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 426-432 doi: 10.1007/s11708-015-0376-4

Abstract: function consisting of economic dispatch (ED) considering the valve-point effect and pollution function in powerThese constraints include the maximum and minimum output power of units, the constraints caused by the

Keywords： practical constraints of units     pollution function     inlet steam valve     up-ramp rate of units     improved ABC    

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Modeling analysis on solar steam generator employed in multi-effect distillation (MED) system

Zhaorui ZHAO, Bao YANG, Ziwen XING

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 193-203 doi: 10.1007/s11708-019-0608-0

Abstract: Specifically, the effects of operating parameters, such as the motive steam temperature, seawater flowproduced have been investigated in the MED desalination system combined with the bilayer wood solar steamIt is found that, under a given operating condition, there exists an optimum steam generation temperatureof around 145°C in the wood solar collector, so that the specific power consumption in the MED systemThis parametric simulation study will help the design of efficient bilayer wood solar steam generator

Keywords： solar energy     steam generating     multi-effect desalination    

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Intrinsic kinetics and external diffusion of catalytic steam gasification of fine coal char particles

Xuantao Wu, Jie Wang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 415-426 doi: 10.1007/s11705-018-1725-8

Abstract: Catalytic steam gasification of fine coal char particles was carried out using a self-made laboratory

Keywords： coal char     catalytic steam gasification     pressure     kinetics     diffusion    

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Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction steam

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 321-335 doi: 10.1007/s11708-021-0741-4

Abstract: In place of the traditional single heat source (extraction steam), the extraction steam from the turbine

Keywords： biomass-fired cogeneration     district heat production system     absorption heat pump     extraction steam    

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High-efficiency inspecting method for mobile robots based on task planning for heat transfer tubes in a steam

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0741-z

Abstract: Many heat transfer tubes are distributed on the tube plates of a steam generator that requires periodicunnecessary inspections, resulting in a long shutdown and affecting the regular operation of a nuclear power

Keywords： steam generator transfer tubes     mobile robot     dexterous structure     task planning     efficient inspection    

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A steam dried municipal solid waste gasification and melting process

Gang XIAO, Baosheng JIN, Mingjiang NI, Kefa CEN, Yong CHI, Zhongxin TAN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 193-204 doi: 10.1007/s11783-010-0268-0

Abstract: Considering high-moisture municipal solid waste (MSW) of China, a steam dried MSW gasification and meltingMoisture percentage was reduced from 50% to 20% roughly when MSW was dried by slightly superheated steamboiler heat efficiency of an industrial MSW incineration plant reaches 86.97% when MSW is dried by steam

Keywords： municipal solid waste (MSW)     steam drying     gasification and melting    

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Thermal cracking of waste printed wiring boards for mechanical recycling by using residual steam preprocessing

Yao CHEN, Jinhui LI, Huabo DUAN, Zhishi WANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 167-174 doi: 10.1007/s11783-011-0308-4

Abstract: A thermal-crack method using residual steam as the heating medium has been developed to pre-treat wasteThe results showed that thermal cracking with steam at the temperature of 500 K can effectively attenuate

Keywords： waste printed wiring board (PWB)     residue steam     thermal-crack     mechanical properties    

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Combination of steam-enhanced extraction and electrical resistance heating for efficient remediation

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1582-z

Abstract:

● Coupling merits of SEE and ERH were explored by a laboratory-scale device.

Keywords： Steam-enhanced extraction     Electrical resistance heating     Dense nonaqueous phase liquid     Soil remediation    

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Numerical simulation of a new hollow stationary dehumidity blade in last stage of steam turbine

Youmin HOU, Danmei XIE, Wangfan LI, Xinggang YU, Yang SHI, Hanshi QIN

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 288-296 doi: 10.1007/s11708-011-0160-z

Abstract: As a result of adopting saturation steam and long blade, problems of water erosion of last stage bladefor steam turbine become more prominent.the nonequilibrium condensing wet steam two phase flow and the dehumidity method.A wet steam model with user defined function based on FLUENT software was investigated to simulate thesteam condensing flow in the cascades.

Keywords： steam turbine     hollow stationary blade     dehumidity     numerical simulation    

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Thermodynamic analysis of steam reforming of glycerol for hydrogen production at atmospheric pressure

Ammaru Ismaila, Xueli Chen, Xin Gao, Xiaolei Fan

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 60-71 doi: 10.1007/s11705-020-1975-0

Abstract: Thermodynamic chemical equilibrium analysis of steam reforming of glycerol (SRG) for selective hydrogenunder the conditions at atmospheric pressure, 600€K–1100€K and 1.013 × 10 –1.013 × 10 Pa with the steam-to-glycerolinert gas), the CH production is minimised, and carbon formation was thermodynamically unfavoured at steam

Keywords： steam reforming of glycerol     H2     N2     carbon deposition     thermodynamic analysis     Gibbs    

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1000 MW ultra-supercritical turbine steam parameter optimization

FENG Weizhong

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 187-193 doi: 10.1007/s11708-008-0030-5

Abstract: The 2 × 1000 MW ultra-supercritical steam turbine of Shanghai Waigaoqiao Phase III project, which usesThrough optimization, the steam pressure is regarded as the criterion between constant pressure and slidingtemperature and by setting the individual Boiler Feedwater Turbine condenser to reduce the exhaust steam
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Title Author Date Type Operation

Exergy-energy analysis of full repowering of a steam power plant

S. NIKBAKHT NASERABAD,K. MOBINI,A. MEHRPANAHI,M. R. ALIGOODARZ

Journal Article

Impacts of solar multiple on the performance of direct steam generation solar power tower plant with

Yan LUO, Xiaoze DU, Lijun YANG, Chao XU, Muhammad AMJAD

Journal Article

Steam turbine governor modeling and parameters testing for power system simulation

Ying LI, Chufeng PENG, Zenghui YANG

Journal Article

Updating the Fossil-fired Power Infrastructure via Supercritical Thermal Power Units

Song Zhiping

Journal Article

Optimal operation of energy at hydrothermal power plants by simultaneous minimization of pollution and

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Journal Article

Modeling analysis on solar steam generator employed in multi-effect distillation (MED) system

Zhaorui ZHAO, Bao YANG, Ziwen XING

Journal Article

Intrinsic kinetics and external diffusion of catalytic steam gasification of fine coal char particles

Xuantao Wu, Jie Wang

Journal Article

Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction steam

Journal Article

High-efficiency inspecting method for mobile robots based on task planning for heat transfer tubes in a steam

Journal Article

A steam dried municipal solid waste gasification and melting process

Gang XIAO, Baosheng JIN, Mingjiang NI, Kefa CEN, Yong CHI, Zhongxin TAN

Journal Article

Thermal cracking of waste printed wiring boards for mechanical recycling by using residual steam preprocessing

Yao CHEN, Jinhui LI, Huabo DUAN, Zhishi WANG

Journal Article

Combination of steam-enhanced extraction and electrical resistance heating for efficient remediation

Journal Article

Numerical simulation of a new hollow stationary dehumidity blade in last stage of steam turbine

Youmin HOU, Danmei XIE, Wangfan LI, Xinggang YU, Yang SHI, Hanshi QIN

Journal Article

Thermodynamic analysis of steam reforming of glycerol for hydrogen production at atmospheric pressure

Ammaru Ismaila, Xueli Chen, Xin Gao, Xiaolei Fan

Journal Article

1000 MW ultra-supercritical turbine steam parameter optimization

FENG Weizhong

Journal Article