FLOW RESISTANCE AND HEAT TRANSFER IN RING SLOTS WITH ROUGH NUCLEAR TUBES

Journal Article · Sat Apr 01 04:00:00 EST 1961 · Atomkernenergie (West Germany) Merged with Kerntechnik to form Atomkernenerg./Kerntech. Acta Radiol. Changed to Acta Radiol.: Oncol., Radiat. Phys.

OSTI ID:4002558

Brauer, H

Pressure drop and heat transfer in annular tubes were measured. The surface of the inner tube was artificially roughened. The investigation covered a range of Reynolds numbers from 200 to 100,000. The maximum heat flux, directed from the inner tube to the fluid, was about 316 w/cm>s2/sup / 2.7 x 10>s6/sup / al/m>s2/sup h/The heat transfer medium was water. The hydraulic diameter of the annular tube served as characteristic length in the dimensionless Reynolds and Nusselt number. The results of all experiments are presented in graphical form. Heat transfer and pressure drop increase with the degree of roughness and depend on the type and arrangement of the roughness elements chosen. (auth)

• Research Organization: Forschungsinstitut der Mannesmann AG, Duisburg, Ger.
• NSA Number: NSA-15-019518
• OSTI ID: 4002558
• Journal Information: Atomkernenergie (West Germany) Merged with Kerntechnik to form Atomkernenerg./Kerntech. Acta Radiol. Changed to Acta Radiol.: Oncol., Radiat. Phys., Journal Name: Atomkernenergie (West Germany) Merged with Kerntechnik to form Atomkernenerg./Kerntech. Acta Radiol. Changed to Acta Radiol.: Oncol., Radiat. Phys. Vol. Vol: 6; ISSN ATKEA
• Country of Publication: Country unknown/Code not available
• Language: German

Related Subjects

CONFIGURATION
DIAGRAMS
ENGINEERING AND EQUIPMENT
FLUID FLOW
FLUIDS
FRICTION
HEAT TRANSFER
HEATING
HYDRAULICS
MEASURED VALUES
NUSSELT NUMBER
PERFORMANCE
PRESSURE
REYNOLDS NUMBER
SOLIDS
SURFACES
TUBES
TURBULENCE
WATER