Selection of optimal reheat temperature in heat recovery boiler at combined heat and power plant with GT-topping [PDF]
Calculations to determine optimum value of steam reheat temperature in relation to the cycle arrangement of steam turbine power plant with gas turbine topping are conducted in this paper.
Romashova Olga +4 more
doaj +3 more sources
Numerical Research of Steam and Gas Plant Efficiency of Triple Cycle for Extreme North Regions [PDF]
The present work shows that temperature decrease of heat rejection in a cycle is necessary for energy efficiency of steam turbine plants. Minimum temperature of heat rejection at steam turbine plant work on water steam is 15°C.
Galashov Nikolay +3 more
doaj +4 more sources
Model research of the energy efficiency of a cogeneration backpressure steam turbine installation [PDF]
In the contemporary district heating systems (DHS) heat energy for the customers is generated by cogeneration method, which leads to the saving of primary energy resources compared to the separate production method.
Genovski Ivan, Hristov Kaloyan
doaj +2 more sources
Steam turbine power prediction based on encode-decoder framework guided by the condenser vacuum degree. [PDF]
The steam turbine is one of the major pieces of equipment in thermal power plants. It is crucial to predict its output accurately. However, because of its complex coupling relationships with other equipment, it is still a challenging task.
Yanning Lu +10 more
doaj +2 more sources
Parametric design and multiple objective intelligent optimization of marine nuclear turbine aerothermodynamics under variable conditions [PDF]
Our goal is to improve the aerothermodynamics performance of the marine nuclear-powered turbine and control the exhaust humidity of the blade grid, thereby improving the operating efficiency and power of the turbine and ensuring safety.
Lei Zhang +3 more
doaj +2 more sources
Effects of Magnetic Mark Display on Mechanical Properties of Laser-Enhanced 17-4PH Blades [PDF]
In order to enhance the corrosion resistance of the 17-4PH low-pressure last stage blades,the steam inlet side of the 17-4PH blades needs to be treated with laser-enhanced solid solution.The last stage blades treated with laser solution often show ...
HAN Liang, GONG Wei-xing, FENG Tian-shu, WANG Jian-ze
doaj +1 more source
Comparative analysis of power distribution, exergy losses and exergy efficiencies of the 200 MW steam turbine for three operating modes with and without turbine steam extraction [PDF]
The paper calculates the power, exergy losses and exergy efficiencies of the high, medium and low pressure steam turbine, as well as the total exergy losses and exergy efficiency of the 200 MW steam turbine.
Ćehajić Nurdin I. +1 more
doaj +1 more source
Influence of reheat pressure on reheat cycle economy [PDF]
After steam expands to a certain intermediate pressure in steam turbine, it is led out of steam turbine and sent to reheater of boiler. The steam is heated to the initial temperature by constant pressure in the reheater.
Wang Yarong, Wang Peirong
doaj +1 more source
Local Buckling-Induced Forming Method to Produce Metal Bellows
A novel buckling-induced forming method is proposed to produce metal bellows. The tube billet is firstly treated by local heating and cooling, and the axial loading is applied on both ends of the tube, then the buckling occurs at the designated position ...
Tianyin Zhang +4 more
doaj +1 more source
Multi-Task Data Imputation for Time-Series Forecasting in Turbomachinery Health Prognostics
Time-series forecasting is the core of the prognostics and health management (PHM) of turbomachinery. However, missing data often occurs due to several reasons, such as the failure of sensors. These partially missing and irregular data greatly affect the
Xudong Chen +6 more
doaj +1 more source

