Results 201 to 210 of about 18,635 (230)

Vapour explosion under hot water depressurization

Journal of Fluid Mechanics, 2016
This paper continues a series of works developing a model for a high-speed boiling flow capable of describing different fluxes with no change in the model coefficients. Refining the interfacial area transport equation in partial derivatives, we test the ability of the model to describe phenomena that cannot be simulated by models that average the ...
Ivashnyov, Oleg E., Ivashneva, Marina N.
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Research on Depressurization Strategy of AP1000 Automatic Depressurization System Under DVI Pipeline Break Accident

Volume 9: Advanced Methods of Manufacturing for Nuclear Reactors and Components; Severe Accidents and Mitigation Strategies for Beyond Design Basis Events
Abstract In this paper, based on the system analysis program, the AP1000 nuclear power plant is taken as the research object, and the AP1000 system analysis model is built. Taking the DVI pipeline break accident as the starting event, the depressurization strategy of the ADS is studied.
Dufeng Lv, Zhengrun Shang, Zhaoming Meng, Zhongning Sun   +3 more
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Design options for safety depressurization system

Nuclear Engineering and Design, 1998
Abstract The Korean Next Generation Reactor (KNGR) adopted an advanced design feature, a safety depressurization system (SDS) to rapidly depressurize the primary system in case of events beyond the design basis. Two design approaches are considered for the SDS design.
Y.M Kwon, H.S Lim, J.H Song
openaire   +1 more source

Subsurface Depressurization Systems Fact Sheet

2008
Vapor intrusion occurs when vapors from volatile organic contamination in soil or ground water enter nearby buildings through cracks and holes in the foundations or slabs or via crawl spaces. An effective method to prevent vapor intrusion during the cleanup process is to install subsurface depressurization systems at the affected buildings ...
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Hydrate Plug Movement by One-Sided Depressurization

Volume 3: Pipeline and Riser Technology, 2012
A new model that accurately predicts hydrate plug displacement during a one-sided depressurization is presented. This model is both simple to handle and rigorous in the physical representation of the phenomenon. It was implemented as a finite volume transient simulator capable of determining the flow field coupled with the plug displacement dynamics ...
Marcelo Gonçalves, Ricardo Camargo, Angela O. Nieckele, Rafael Faraco, Claudio Veloso Barreto, Luis Fernando G. Pires   +5 more
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Depressurization strategy of automatic depressurization system for advanced pressurized water reactor

Annals of Nuclear Energy, 2023
Ji Xing, Pei Yu, Zhaoming Meng, Dufeng Lv, Zhengrun Shang, Zhongning Sun   +5 more
openaire   +1 more source

Introducing a Depressurization Step in Online LCxSFC Modulation

Analytical Chemistry
New online LCxSFC valve technologies have recently been developed, based on the transfer of the first-dimension eluent either in the CO2 stream or in the cosolvent stream of the SFC dimension. While using the appropriate valve configuration greatly improved peak shapes, the reduction of the analysis time remained a challenge.
Margaux Sanchez, Julien Crepier, Karine Faure   +2 more
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Minimizing Gas Flaring During Plant Depressurization

Mediterranean Offshore Conference
Abstract During plant depressurization, valuable gases are burned through a flare system in preparation for maintenance. Plant modifications (such as transferring high-pressure gases to the fuel gas system using pressure regulators) should be conducted to minimize the flared gases.
M. Abdelraof Asal, Hassan Bishr, Mostafa E. Aboul-Fetouh, Tarek M. Aboul-Fotouh, Sayed Gomaa, Mahmoud S. Khaled   +5 more
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PROBABILITY OF EMERGENCY RELEASE DURING DEPRESSURIZATION

"The idea of the proposed work is that the volume of an emergency discharge should be calculated based on the characteristics of the discharge event itself." There are some tools for this that are not used by developers of analysis methods. This refers to an automatic method of monitoring emissions using sensors up to an explosive gas concentration ...
Qazanfar Suleymanov , Hajar Ismayilova , Huseynova, Ulviyya, Zulfiyya Mammedova   +3 more
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EXTINGUISHMENT OF SOLID PROPELLANTS BY RAPID DEPRESSURIZATION

1969
Abstract : A new theory for extinction by depressurization of AP composite propellants is employed to predict the rate of pressure decrease required to achieve flame-out and to rationalize the effects of various composition parameters on the ease of extinguishment.
M. Summerfield, S. L. Turk, C. L. Merkle
openaire   +1 more source