Results 11 to 20 of about 308,966 (268)

Análise de um sistema de aquecimento de água para residências rurais, utilizando energia solar A water heating system analysis for rural residences, using solar energy

open access: yesEngenharia Agrícola, 2010
A conscientização da importância do meio ambiente tem incentivado o estudo de novas fontes energéticas renováveis e menos poluentes. Dentre essas fontes, a energia solar destaca-se por ser perene e limpa.
Luiz H. Basso   +4 more
doaj   +1 more source

Visualized Experiment of Bubble Behaviors in a Vertical Narrow Rectangular Channel Under Natural Circulation Condition

open access: yesFrontiers in Energy Research, 2018
The characteristics of bubble behavior have been in particular interest for decades due to its significant contribution to understanding the mechanism of heat transfer.
Meiyue Yan   +7 more
doaj   +1 more source

The effect of code user and boundary conditions on RELAP calculations of MTR research reactor transient scenarios [PDF]

open access: yesNuclear Technology and Radiation Protection, 2005
The safety evaluation of nuclear power and re search reactors is a very important step before their construction and during their operation. This evaluation based on the best estimate calculations requires qualified codes qualified users, and qualified ...
Khedr Ahmed   +2 more
doaj   +1 more source

Determination of the maximum core power of natural circulation lead–bismuth reactors

open access: yesHe jishu, 2023
BackgroundBecause of the excellent properties of lead-based materials as reactor coolants, lead-based fast reactors have become a key type of fourth-generation advanced nuclear energy systems.
XIAO Yingjie   +5 more
doaj   +1 more source

Nodalization effects on RELAP5 results related to MTR research reactor transient scenarios [PDF]

open access: yesNuclear Technology and Radiation Protection, 2005
The present work deals with the anal y sis of RELAP5 results obtained from the evaluation study of the total loss of flow transient with the deficiency of the heat removal system in a research reactor using two different nodalizations.
Khedr Ahmed, d’Auria Francesco
doaj   +1 more source

1D modelling and preliminary analysis of the coupled DYNASTY–eDYNASTY natural circulation loop

open access: yesFrontiers in Energy Research, 2023
In the continuous strive to improve the safety of current-generation and next-generation nuclear power plants, natural circulation can be used to design passive safety systems to remove the decay heat during the shutdown.
Gabriele Benzoni   +4 more
doaj   +1 more source

The Nature and Circulation of False Information

open access: yes, 2022
AbstractThis chapter focuses on the nature of disinformation (false information spread with intent to deceive) and misinformation (false information spread without specific deceptive intent), inquiring into processes that increase their circulation online.
Vian Bakir, Andrew McStay
openaire   +1 more source

Thermal-hydraulic characteristics of the natural circulation evaporative cooling system of hydro-generator stator busbar under different loop heights

open access: yesJournal of Thermal Science and Technology, 2019
Cooling technology plays an important role on the safe operation of hydro-generator. The natural circulation evaporative cooling system of hydro-generator stator busbar was proposed in China, which has the advantages of safety, energy-saving and high ...
Haihong DONG, Lin RUAN
doaj   +1 more source

Preliminary analysis of sodium experimental apparatus PLANDTL-2 for development of evaluation method for thermal-hydraulics in reactor vessel of sodium fast reactor under decay heat removal system operation condition

open access: yesMechanical Engineering Journal, 2020
Fully natural circulation decay heat removal systems (DHRSs) are adopted for sodium fast reactors, which is a passive safety feature without any electrical pumps.
Ayako ONO   +4 more
doaj   +1 more source

Investigation on natural circulation phenomena of LOCA with PRHR pipeline break in ACME facility

open access: yesHe jishu, 2023
BackgroundThe passive residual heat removal (PRHR) system is an important innovative design of the advanced pressurized water reactor technology. Under accident conditions, PRHR system can transport decay heat in the form of natural circulation to ensure
LIU Yusheng   +5 more
doaj   +1 more source

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