ON THE ISSUE OF RATIONAL ORGANIZATION OF THE TEXTILE AND KNITWEAR ENTERPRISES HEAT AND POWER SUPPLY SYSTEM by V. N. Romaniuk, D. B. Muslina

“…At the same time, steam turbine CHPs of low power, and consequently of low initial parameters, cannot provide the required electrical and heat energy flow generation balance. …”
Get full text

Creep damage assessment of circular notch specimen on a CrMoV forging steel based on the void growth simulation by Takashi OGATA, Naoto IKEDA

“…Creep damage preferentially extends at a stress concentration portion in high temperature components such as steam turbine rotors. Therefore development of an accurate damage assessment method for creep damage process at the stress concentration portion under multiaxial stress states is necessary to maintain reliable operation. …”
Get full text

The Characteristics of a Modern Oxy-Fuel Power Plant by Janusz Kotowicz, Sebastian Michalski, Mateusz Brzęczek

“…The gross power of steam turbine unit (STU) was 600 MW. The live and reheated steam parameters were 650 °C/30 MPa and 670 °C/6.5 MPa, respectively. …”
Get full text

Analysis of Failure Causes of 0Cr19Ni9 Blade Crack by Xiaopeng LI, Renheng HAN, Youshui XIE, Yan LI, Yalong GAO, Xiaoming WANG, Qiuju ZHU, Hexin ZHANG, Chengzhi ZHAO

“…In this paper, fracture morphology observation, microstructure analysis, standard corrosion test, and other experimental methods are used to analyze the causes of corrosion and cracking of steam turbine blades (0Cr19Ni9) produced by a certain company. …”
Get full text

Effect of Magnetic Field on Optical Density of Distilled Water by Volodymyr H. Mykhailenko, Yevhen F. Lukianov, Olha I. Lukianova, Tamara S. Vitkovska, Oleksandr Ye. Khinievich

“…Water is considered as the working fluid of wet steam turbine units. The importance of a purposeful change in the thermophysical properties of water used for energy needs is indicated. …”

Optimization of purge process before ignition of natural gas turbine by LI Xiaodong, SHI Chaofan, LIU Gang, SHEN Qihua, LI Kuanting, LUO Zhibin, CHEN Chun

“…The analysis of the start-up curve of the unit before optimization shows that， the start-up time of the natural gas turbine can be reduced to a certain extent， the power consumption of the plant can be reduced， and the heating effect of the steam turbine can be improved after the optimization of the purge process.…”
Get full text

Thermodynamic Analysis of Once-through Heat Recovery Steam Generator in a Combined Cycle Power Plants Fueled with Biogas by Ardiyati Tanti, Supriadi Edi, Anwar Khoerul, Waluyo Joko, Dewi Rany Puspita, Hargono, Tenggara Ayodya Pradhipta, Widjaya Robert Ronal, Putri Ary Mauliva Hada

“…The working principle of the combined cycle in the combined cycle power plant (CCPP) is to utilize a certain amount of waste heat in the gas turbine, which reaches temperatures of 1650°C, to generate steam in the steam turbine. Due to the high temperature of the exhaust gas in the gas turbine, a device is needed to recover this waste heat, known as a Heat Recovery Steam Generator (HRSG). …”
Get full text

Deformation Behavior and Constitutive Model of 34CrNi3Mo during Thermo-Mechanical Deformation Process by Xiang-Dong Jia, Ying Zhou, Yi-Ning Wang

“…With higher creep strength and heat resistance, 34CrNi3Mo has been widely used in the production of engine rotors, steam turbine impellers, and turbine blades. To investigate the hot deformation behaviors of 34CrNi3Mo steel, hot compressive tests were conducted on a Gleeble-3500 thermomechanical simulator, under the temperature range of 1073 K–1373 K and strain rate ranges of 0.1 s⁻¹–20 s⁻¹. …”
Get full text

Influence of fuel composition on energy parameters of gas turbine plant by G. E. Marin, B. M. Osipov, P. Zunino, D. I. Mendeleev

“…The use of synthesis gas as the only fuel is undesirable when operating a gas turbine in a combinedcycle unit, since the calorific value of the flue gases when operating on synthesis gas is minimal and amounts to 94.3 MW, which will affect the operation of the steam turbine.…”
Get full text

An integrated program of a stand-alone parabolic trough solar thermal power plant: Code description and test by Sanan T. Mohammad, Hussain H. Al-Kayiem, Morteza K. Assadi, Osama. Sabir, Ayad K. Khlief

“…Solar thermal systems produce steam after being energized by solar parabolic trough concentrators, are incorporated with a steam turbine-generator assembly to produce electricity. …”
Get full text

Analisa Unjuk Kerja Secondary Superheater PLTGU Dan Evaluasi Peluang Peningkatan Effectiveness Dengan Cara Variasi Jarak, Jumlah dan Diameter Tube by Viki Wahyu Endriyana, Djatmiko Ichsani

“…Pada PLTGU, hasil dari data operasi secondary superheater menunjukkan adanya penurunan temperature uap keluar secondary superheater menuju steam turbine yang cukup signifikan jika dibandingkan dengan design point. …”
Get full text

Basic study of condensate throttling operation for nuclear power plants by Yukinori KATAGIRI, Yohei MURAKAMI

“…As a power generation control method for utilization in nuclear power plants, the turbine bleed valve operation known as condensate throttling (CT) which controls the extraction steam flow rate from a steam turbine to increase generating power has been studied. …”
Get full text

Acid Corrosion Analysis in the Initial Condensation Zone of a H₂O/CO₂ Turbine by Ziyue Ma, Xiaofang Wang, Jinguang Yang, Wei Wang, Wenyang Shao, Xiaowu Jiang

“…Compared with a traditional steam turbine, the working medium of an H₂O/CO₂ turbine has a relatively high CO₂ concentration. …”
Get full text

Analytical modeling and experimental validation of heating at the leaf seal/rotor interface by Pekris, M, Franceschini, G, Owen, A, Jones, T, Gillespie, D

“…The secondary air system of a modern gas or steam turbine is configured to satisfy a number of requirements, such as to purge cavities and maintain a sufficient flow of cooling air to key engine components, for a minimum penalty on engine cycle efficiency and specific fuel consumption. …”

Analytical modeling and experimental validation of heating at the leaf seal/rotor interface by Gillespie, D, Pekris, M, Franceschini, G, Jones, T, Owen, A

“…The secondary air system of a modern gas or steam turbine is configured to satisfy a number of requirements, such as to purge cavities and maintain a sufficient flow of cooling air to key engine components, for a minimum penalty on engine cycle efficiency and specific fuel consumption. …”

Process Optimization Of Biomass Combustion Of An Industrial Boiler In A Palm Oil Mill by Samsu, Muhammad Ariffin

“…The energy from the process is transferred to produce high-pressure steam that will power up a steam turbine. Palm oil biomass especially empty fruit bunch (EFB), mesocarp fibre (MF), and palm kernel shell (PKS) has high potential to be utilized in local industrial boiler due to palm oil biomass is one of the most abundant biomasses available in Malaysia. …”
Get full text

Thermodynamic assessment of integrated biogas-based micro-power generation system by Hosseini, S. E., Barzegaravval, H., Wahid, M. A., Ganjehkaviri, A., Sies, M. M.

“…The performance of the system with respect to variation of design parameters such as combustion air inlet temperature, turbine inlet temperature, compressor pressure ratio, gas turbine isentropic efficiency and compressor isentropic efficiency (from the top cycle) and steam turbine inlet pressure, and condenser pressure (from bottoming cycle) is evaluated. …”

Bioenergy potential of millet chaff via thermogravimetric analysis and combustion process simulation using Aspen Plus by Isah Yakub Mohammed, Garba Kabir, Yousif Abdalla Abakr, Michael Atogiba Ayiania Apasiku, Feroz Kabir Kazi, Lawan Garba Abubakar

“…The combustion process analysis coupled with steam turbine cycle via process simulation revealed an excellent combustion efficiency at air-fuel ratio of 5.14. …”
Get full text

Health assessment of an electro-hydraulic servo pump control system for servomotor based on LGA deep neural network by Fei Wang, Gexin Chen, Keyi Liu, Tiangui Zhang, Yuan Li, Chao Ai

“…Due to its advantages of having a high power-to-weight ratio and being energy-efficient, the electro-hydraulic servo pump control system (abbreviated as EHSPCS) is frequently employed in the industrial field, such as the electro-hydraulic servo pump control (EHSPC) servomotor for steam turbine valve regulation control. However, the EHSPCS has strong nonlinearity and time-varying features, and the factors that cause system performance degradation are complex. …”
Get full text

A Comprehensive Situation Awareness Measurement Method for Analyzing the Operators’ Situation Awareness of Multi-Module High Temperature Gas-Cooled Reactor Plants by Runfa Miao, Qianqian Jia, Duo Li, Zhe Dong

“…For multi-modular nuclear power plants under the scheme of multiple nuclear steam supply system (NSSS) modules driving a single steam turbine, the NSSS modules are coupled tightly with each other by the common turbine, giving more complex normal operation with respect to the single-modular plants. …”
Get full text