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Mathematical Modeling of Transient Processes of a Three-pulse System of Automatic Control of Water Supply to the Steam Generator When the Load Changes

2020 Dynamics of Systems, Mechanisms and Machines (Dynamics), 2020
The paper analyzes an operation of the typical three-impulse automatic control system (ACS) of the steam generator water supply. A mathematical model has been developed to test its operability for load shedding, allowing you to set maximum deviations of ...
D. Umurzakova
semanticscholar   +1 more source

A 3D Hemispheric Steam Generator Based on An Organic–Inorganic Composite Light Absorber for Efficient Solar Evaporation and Desalination

Advanced Materials Interfaces, 2019
Solar‐driven interfacial steam generation is emerging as a sustainable and environmental‐friendly technology for potential applications in sterilization, desalination, and wastewater treatment.
Guoliang Chen   +4 more
semanticscholar   +1 more source

Sulfur induced corrosion (SIC) mechanism of steam generator (SG) tubing at micro scale: A critical review

Materials Chemistry and Physics, 2019
Sulfur induced corrosion (SIC) is an important issue taking place in the heat transfer crevices between steam generator (SG) tubing and tube supports in pressurized water reactors (PWRs).
Da-Hai Xia   +8 more
semanticscholar   +1 more source

A mimetic transpiration system for record high conversion efficiency in solar steam generator under one-sun

Materials Today Energy, 2018
Currently, direct solar steam generator based on suspending plasmonic solar absorber and floating porous photothermal convertors still suffered from high optical concentrations, poor productivity rates, high expenses and complicated fabrication processes.
Peng-fei Liu   +9 more
semanticscholar   +1 more source

Efficiency of Steam Generation in a Hydrogen-Oxygen Steam Generator of Kilowatt-Power Class

High Temperature, 2018
The article presents the results of experimental studies and optimization of the processes of mixture formation, combustion, and steam generation in a kilowatt power–class, experimental, hydrogen-oxygen steam generator. The optimal design of the mixturing element and the combustion chamber for their failsafe operation and minimal hydrogen content in ...
V. Borzenko, A. Schastlivitsev
openaire   +1 more source

Code improvement, separate-effect validation, and benchmark calculation for thermal-hydraulic analysis of helical coil once-through steam generator

, 2020
Helical coil once-through steam generators (HCOTSGs) have been widely used in the design of small modular reactor (SMR) during the past several decades.
Qiang Lian   +5 more
semanticscholar   +1 more source

Steam generator tube rupture in lead-cooled fast reactors: Estimation of impact on neighboring tubes

Nuclear Engineering and Design, 2019
Lead-cooled fast reactors have several advantages in comparison to thermal neutron reactors and sodium-cooled fast reactors. Despite the considerable interest of international nuclear power community to this technology, safety issues associated with ...
A. Iskhakov   +3 more
semanticscholar   +1 more source

Solar steam generation: Steam by thermal concentration

Nature Energy, 2016
The solar-driven generation of water steam at 100 °C under one sun normally requires the use of optical concentrators to provide the necessary energy flux. Now, thermal concentration is used to raise the vapour temperature to 100 °C without the need for costly optical concentrators.
Wen Shang, Tao Deng
openaire   +1 more source

Large steam turbine generators

Journal of the A.I.E.E., 1924
The authors discuss the manufacture of large steam turbine-driven generators touching on what is considered the best practises of the present day. A description of a 62,500-kv-a. 60-cycle generator is included together with test data. The fact is brought out that even on the largest generators yet built, moderate temperatures may be expected.
W. J. Foster   +2 more
openaire   +1 more source

The Steam Generators

2017
Each of the four secondary loops has a steam generator, whose function is to transfer the secondary sodium thermal power to the water, whose steam will feed the turbine. For cost and compactness reasons, Phenix modular solution, with separation of economizer, super heater and reheater stages was replaced by a monolithic SG with an original once-through
Joël Guidez, Gérard Prêle
openaire   +1 more source

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