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In-Vessel Melt Retention of Pressurized Water Reactors: Historical Review and Future Research Needs Review

Weimin Ma, Yidan Yuan, Bal Raj Sehgal

Engineering 2016, Volume 2, Issue 1,   Pages 103-111 doi: 10.1016/J.ENG.2016.01.019

Abstract:

A historical review of in-vessel melt retention (IVR) is given, which is a severe accident mitigationfrom the back-fitting of the Generation II reactor Loviisa VVER-440 in order to cope with the core-meltThe most influential phenomena on the IVR strategy are in-vessel core melt evolution, the heat fluxesFor in-vessel melt evolution, past focus has only been placed on the melt pool convection in the lowerpool formation, may all contribute to the final state of the melt pool and its thermal loads on the

Keywords： Pressurized water reactor     Severe accident     In-vessel melt retention     Debris formation     Debris remelting     Melt pool formation     Melt pool thermal-hydraulics     Critical heat flux    

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Core designing of a new type of TVS-2M FAs: neutronics and thermal-hydraulics design basis limits

Saeed GHAEMI, Farshad FAGHIHI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 256-278 doi: 10.1007/s11708-018-0583-x

Abstract: Some important aspects of neutronics as well as thermal hydraulics investigations (and analysis) of theMoreover, thermal-hydraulics core design criteria such as MDNBR (based on W3 correlation) and the maximum

Keywords： TVS-2M FAs     core design basis limits     VVER-1000     analysis     mixture of uranium-gadolinium oxides fuels     thermal-hydraulics    

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Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 563-570 doi: 10.1007/s11465-018-0487-9

Abstract:

The thermal hydraulic (TH) behavior of coo-lant water is a key factor in the structural integrityassessments on reactor pressure vessels (RPVs) of pressurized water reactors (PWRs) under pressurized thermalanalysis with different operator action times, we also performed structural analyses for evaluating thermal-stress

Keywords： structural integrity     reactor pressure vessel     pressurized thermal shock     thermal hydraulic analysis     pressurized    

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Liquid metal thermal hydraulics R&D at European scale: achievements and prospects

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 842-853 doi: 10.1007/s11708-021-0743-2

Abstract: Commission in the past 20 years in the fields of liquid-metal heat transfer modeling, fuel assembly and core thermalhydraulics, pool and system thermal hydraulics, and establishment of best practice guidelines and verificationanalysis of the consequences of fuel assembly blockages on coolant flow and temperature, analysis of the thermalhydraulic effects in deformed fuel assemblies, extended validation of three-dimensional pool thermalhydraulic CFD models, and further development and validation of multi-scale system thermal hydraulic

Keywords： liquid metal     thermal hydraulics     Europe    

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Utilizing melt crystallization fundamentals in the development of a new tabletting technology

Ahmed ABOUZEID,Sandra PETERSEN,Joachim ULRICH

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 346-352 doi: 10.1007/s11705-014-1443-9

Abstract: Increasing production effeciency and lowering costs are some of the many advantages melt crystallizationMelt crystallization is a purification (separation) process.

Keywords： phase separation     melt crystallization     tablets     process optimization    

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Permeability analysis and seepage process study on crystal layer in melt crystallization with fractal

Xiaobin JIANG, Baohong HOU, Yongli WANG, Jingkang WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 435-441 doi: 10.1007/s11705-011-1139-3

Abstract: In this paper a porous media seepage model was applied to analyze the permeability and study the seepage process of crystal pillar formed in the preparation of electronic grade phosphoric acid (EGPA). By inspecting the seeping process, the structure parameter of crystal pillar could be obtained. Two basic ideal models (perfectly separated model and perfectly connected model) were presented and a characterized factor was introduced to modify the model. A good simulation result was obtained which met the experiment result well. The relationship between and permeability were also discussed. The characterized factor showed potential application on optimizing process.

Keywords： melt crystallization     porous media     fractal     permeability     hyperpure material     simulation    

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Simulation of cottonseed cake melt flow in metering zone of a single screw extruder

Hong HE, Jianguo ZHOU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 263-269 doi: 10.1007/s11705-009-0276-4

Abstract: relatively new due to the complex physicochemical transformations of raw materials, although plastics melt

Keywords： quasi-three-dimensional     rheological     viscosity     processing     influence    

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Demand response based congestion management in a mix of pool and bilateral electricity market model

Ashwani KUMAR, Charan SEKHAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 164-178 doi: 10.1007/s11708-012-0187-9

Abstract: In this paper, demand response-based CM has been proposed for a mix of pool and bilateral electricity

Keywords： bid function     congestion management (CM)     demand response     pool+bilateral electricity market     static var    

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Kinetic roughening transition and missing regime transition of melt crystallized polybutene-1 tetragonal

Motoi YAMASHITA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 125-134 doi: 10.1007/s11705-009-0001-3

Abstract: and lateral growth rate of polybutene-1 ( -PB1) have been investigated for crystallization from the melt

Keywords： isotactic polybutene-1     tetragonal phase (form Ⅱ)     melt crystallization     growth rate     kinetic    

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Lamellar thickness transition of melt-crystallized polybuten-1 tetragonal phase: configurational change

Motoi YAMASHITA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 26-32 doi: 10.1007/s11705-009-0002-2

Abstract: crystal thickness of isotactic polybutene-1 ( -PB1) have been investigated for crystallization in the melt

Keywords： isotactic polybutene-1     tetragonal phase     crystal thickness     melt growth     chain folding     small angle X-ray    

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Haloacetic acids in swimming pool and spa water in the United States and China

Xiaomao WANG,Garcia Leal M I,Xiaolu ZHANG,Hongwei YANG,Yuefeng XIE

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 820-824 doi: 10.1007/s11783-014-0712-7

Abstract: investigate the occurrence of haloacetic acids (HAAs), a group of disinfection byproducts, in swimming pool

Keywords： chlorination     disinfection byproduct     haloacetic acid     swimming pool     trihalomethane    

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Unlocked disinfection by-product formation potential upon exposure of swimming pool water to additional

Alvyn P. Berg, Ting-An Fang, Hao L. Tang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1098-3

Abstract:

• Swimming pool water was studied for DBPs upon exposure to additionallistitem>

• Urine control and air ventilation should be on the priority list for pool

Keywords： Trihalomethanes     Haloacetic acids     Chloroform     Residual chlorine     Anthropogenic organics     Swimming pool water    

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Investigation of Fire Enhancement in Pool Fire by Water Mist

Lu Qiang,Li Gai,Liao Guangxuan,Huan Gxin,Zhu Wei

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 78-82

Abstract:

In the process of water mist fire suppression the phenomenon of fire expansion may be found initially. Experiments and theoretic study show that evaporation of mist on the surface of fuel plays a crucial role in the fire expansion. In experiments of varied conditions, it is found that volatility of fuel and characteristics of water mist determine the degree of fire intensification. It is found that water in the bottom of tray will make fuel surface temperature and fire heat release rate descend. And with increase of water quantity, fire intensification will be weakened, extinguishing time also be shortened. So further research on change of fire heat release rate owing to water pouring is necessary to ensure the reliability of experiment data.

Keywords： water mist     pool fire     azeotropic     overpressure     heat release rate    

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Premature melt solidification during mold filling and its influence on the as-cast structure

M. WU, M. AHMADEIN, A. LUDWIG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 53-65 doi: 10.1007/s11465-017-0437-y

Abstract:

Premature melt solidification is the solidification of a melt during mold filling.The numerical model considers three phases, namely, air, melt, and equiaxed crystals.The crystals are assumed to have originated from the heterogeneous nucleation in the undercooled meltresulting from the first contact of the melt with the cold mold during pouring.These crystals can also be remelted by mixing with the superheated melt.

Keywords： premature solidification     mold filling     as-cast structure     modeling    

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Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixing and melt-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 395-402 doi: 10.1007/s11705-012-1269-2

Abstract: high melting point was dispersed in an isotactic polypropylene (iPP) matrix by solution-mixing and/or melt-mixing

Keywords： dispersion     rigid organic filler     isotactic polypropylene     mixing    

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Title Author Date Type Operation

In-Vessel Melt Retention of Pressurized Water Reactors: Historical Review and Future Research Needs

Weimin Ma, Yidan Yuan, Bal Raj Sehgal

Journal Article

Core designing of a new type of TVS-2M FAs: neutronics and thermal-hydraulics design basis limits

Saeed GHAEMI, Farshad FAGHIHI

Journal Article

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Journal Article

Liquid metal thermal hydraulics R&D at European scale: achievements and prospects

Journal Article

Utilizing melt crystallization fundamentals in the development of a new tabletting technology

Ahmed ABOUZEID,Sandra PETERSEN,Joachim ULRICH

Journal Article

Permeability analysis and seepage process study on crystal layer in melt crystallization with fractal

Xiaobin JIANG, Baohong HOU, Yongli WANG, Jingkang WANG

Journal Article

Simulation of cottonseed cake melt flow in metering zone of a single screw extruder

Hong HE, Jianguo ZHOU,

Journal Article

Demand response based congestion management in a mix of pool and bilateral electricity market model

Ashwani KUMAR, Charan SEKHAR

Journal Article

Kinetic roughening transition and missing regime transition of melt crystallized polybutene-1 tetragonal

Motoi YAMASHITA

Journal Article

Lamellar thickness transition of melt-crystallized polybuten-1 tetragonal phase: configurational change

Motoi YAMASHITA

Journal Article

Haloacetic acids in swimming pool and spa water in the United States and China

Xiaomao WANG,Garcia Leal M I,Xiaolu ZHANG,Hongwei YANG,Yuefeng XIE

Journal Article

Unlocked disinfection by-product formation potential upon exposure of swimming pool water to additional

Alvyn P. Berg, Ting-An Fang, Hao L. Tang

Journal Article

Investigation of Fire Enhancement in Pool Fire by Water Mist

Lu Qiang,Li Gai,Liao Guangxuan,Huan Gxin,Zhu Wei

Journal Article

Premature melt solidification during mold filling and its influence on the as-cast structure

M. WU, M. AHMADEIN, A. LUDWIG

Journal Article

Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixing and melt-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Journal Article