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Statements

Subject Item
n2:RIV%2F49777513%3A23640%2F09%3A00502043%21RIV10-GA0-23640___
rdf:type
skos:Concept n10:Vysledek
dcterms:description
This paper describes the topic of measurement using a modern laser method (PIV) in an annular channel of very small dimensions. The annular channel simulates the flow area around a model of a fuel rod in the VVER nuclear reactor. The annular channel holds spacers which create obstacles to fluid flow. The spacers serve a number of important purposes. In the real nuclear reactor, the spacer holds a fuel rod in the fuel rod bundle. Another important function of the spacer is to influence the flow field characteristics, especially turbulence size, by the shape of the spacer. The value of the turbulence regulates the intensity of heat transfer between the fuel rod and the fluid. Therefore, it is very important to provide a correct description and analysis of the flow field behind the obstacle the spacer generates. The paper further looks into the solution of the same task using numerical simulation. The solution of this task consisted of setting the suitable boundary conditions and of setting the turbulenc This paper describes the topic of measurement using a modern laser method (PIV) in an annular channel of very small dimensions. The annular channel simulates the flow area around a model of a fuel rod in the VVER nuclear reactor. The annular channel holds spacers which create obstacles to fluid flow. The spacers serve a number of important purposes. In the real nuclear reactor, the spacer holds a fuel rod in the fuel rod bundle. Another important function of the spacer is to influence the flow field characteristics, especially turbulence size, by the shape of the spacer. The value of the turbulence regulates the intensity of heat transfer between the fuel rod and the fluid. Therefore, it is very important to provide a correct description and analysis of the flow field behind the obstacle the spacer generates. The paper further looks into the solution of the same task using numerical simulation. The solution of this task consisted of setting the suitable boundary conditions and of setting the turbulenc
dcterms:title
A Comparison of Flow Field Characteristics from PIV Experiment Measurement to Numerical Simulation behind a Spacer in a Vertical Pipe A Comparison of Flow Field Characteristics from PIV Experiment Measurement to Numerical Simulation behind a Spacer in a Vertical Pipe
skos:prefLabel
A Comparison of Flow Field Characteristics from PIV Experiment Measurement to Numerical Simulation behind a Spacer in a Vertical Pipe A Comparison of Flow Field Characteristics from PIV Experiment Measurement to Numerical Simulation behind a Spacer in a Vertical Pipe
skos:notation
RIV/49777513:23640/09:00502043!RIV10-GA0-23640___
n5:aktivita
n9:P
n5:aktivity
P(GP101/09/P056)
n5:dodaniDat
n8:2010
n5:domaciTvurceVysledku
n15:9163387
n5:druhVysledku
n14:O
n5:duvernostUdaju
n16:S
n5:entitaPredkladatele
n17:predkladatel
n5:idSjednocenehoVysledku
301183
n5:idVysledku
RIV/49777513:23640/09:00502043
n5:jazykVysledku
n13:eng
n5:klicovaSlova
laser anenometry; PIV; numerical simulation; FLUENT; spacer; vertical annular tube
n5:klicoveSlovo
n6:laser%20anenometry n6:vertical%20annular%20tube n6:numerical%20simulation n6:PIV n6:FLUENT n6:spacer
n5:kontrolniKodProRIV
[9E90485A4722]
n5:obor
n7:BK
n5:pocetDomacichTvurcuVysledku
1
n5:pocetTvurcuVysledku
1
n5:projekt
n12:GP101%2F09%2FP056
n5:rokUplatneniVysledku
n8:2009
n5:tvurceVysledku
Lávička, David
n11:organizacniJednotka
23640