Published June 1995
| Version v1
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The effects of spacer grids on turbulent flow in rod bundles
Creators
- 1. Korea Atomic Energy Research Institute, Taejon (Korea, Republic of)
Description
The local hydraulic characteristics in subchannels of 5 x 5 nuclear fuel bundles with spacer grids were measured upstream and downstream of the spacer grid by using a LDV(Laser Doppler Velocimeter). THis study is focused on investigation of the spacer grid effects on turbulent flow structure in rod bundles. Axial velocity and turbulent intensity, skewness factor, flatness factor and spectral energy were measured. Pressure drop measurements were performed to evaluate the loss coefficient for the spacer grid and the friction factor for the rod bundles. The methodology of evaluating the turbulent mixing performance due to spacer grid was suggested. 1 tab., 31 figs., (Author) .new
Availability note (English)
MF available from INIS under the Report Number.Files
27062350.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 58 p.
- Report number
- KAERI/TR--520/95
INIS
- Country of Publication
- Korea, Republic of
- Country of Input or Organization
- Korea, Republic of
- INIS RN
- 27062350
- Subject category
- S42: ENGINEERING; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Descriptors DEI
- FRICTION FACTOR; FUEL ELEMENT CLUSTERS; PRESSURE DROP; SPACERS; TURBULENT FLOW; VELOCIMETERS
- Descriptors DEC
- FLUID FLOW; FUEL ASSEMBLIES; MEASURING INSTRUMENTS