Published February 1981
| Version v1
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Thermalhydraulic experiments with a cluster of 19 rods roughened by a novel type of roughness
- 1. Kernforschungszentrum Karlsruhe G.m.b.H. (Germany, F.R.). Projekt Schneller Brueter
- 2. Kernforschungszentrum Karlsruhe G.m.b.H. (Germany, F.R.). Inst. fuer Neutronenphysik und Reaktortechnik
Description
Distributions of temperature and pressure were measured on cluster of 19 electrically heated tubes. 400 thermocouples were used for temperature measurements. The tubes were partly roughened by a novel type of roughness with a thermal performance superior to that of transverse ribs. The experiments bot with helium and nitrogen as coolants covered a range of Reynolds numbers between 450 and 1.8 x 105. The maximum linear rod power achived was 43 kWm-1, the maximum measured wall temperature 1271 K (9980C). The report contains the description of the test section together with all tabulated results. (orig.)
Availability note (English)
MF available from INIS under the Report Number.Abstract (German)
Im Heliumversuchsstand wurden an einem Buendel aus 19 elektrisch beheizten Rohren Temperatur- und Druckverteilungen gemessen. 400 Thermoelemente wurden zur Temperaturmessung verwendet. Die Rohre waren teilweise mit einer neuartigen Rauhigkeit versehen, deren Waermeuebertragungseigenschaften denen von Querrippen ueberlegen sind. Die Versuche mit Helium und Stickstoff als Kuehlgas erstreckten sich ueber einen Reynoldszahlbereich von 450 bis 1.8 x 105. Die maximale lineare Stableistung betrug 43 kWm-1, die maximale gemessene Wandtemperatur 1271K (9980C). Der Bericht enthaelt die Beschreibung der Teststrecke sowie alle tabellierten Versuchsergebnisse. (orig.)
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Additional details
Publishing Information
- Imprint Pagination
- 329 p.
- Report number
- KFK--3102
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 13650843
- Subject category
- S22: GENERAL STUDIES OF NUCLEAR REACTORS; S42: ENGINEERING;
- Descriptors DEI
- COOLANTS; FUEL ELEMENT CLUSTERS; HEAT TRANSFER; HEATING; HELIUM; HYDRAULICS; NITROGEN; PRESSURE DROP; REYNOLDS NUMBER; ROUGHNESS; SIMULATION; TEMPERATURE MEASUREMENT; THERMODYNAMICS; TUBES
- Descriptors DEC
- ELEMENTS; ENERGY TRANSFER; FUEL ASSEMBLIES; NONMETALS; RARE GASES; SURFACE PROPERTIES