Cross-Stream Thermal Diffusion in a Staggered Tube Bundle with Corrosion

Technical Report · Sun Sep 01 00:00:00 EDT 1996

DOI:https://doi.org/10.2172/766961· OSTI ID:766961

Ashcroft, John M. ^[1]; Kaminski, Deborah A. ^[2]

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1. Knolls Atomic Power Laboratory (KAPL), Niskayuna, NY (United States)
2. Rensselaer Polytechnic Inst., Troy, NY (United States)

Turbulent diffusion of heat in a tube bundle with crossflow was studied experimentally and numerically. Experiments were performed to measure the temperature distribution downstream of a heated tube in otherwise adiabatic, equilateral, staggered tube bundles. The experimental results show significant rates of cross-stream mixing. Two-dimensional numerical models of the tube bundles show good agreement to the test data when a turbulent Prandtl number of 0.63 was used. From the results of the experimental and numerical work, an effective thermal conductivity correlation, for use with porous body modeling of tube bundles, was developed. This model accurately accounts for both the molecular and die.

• Research Organization: Knolls Atomic Power Laboratory (KAPL), Niskayuna, NY (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC12-76SN00052
• OSTI ID: 766961
• Report Number(s): KAPL-P-000227
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
36 MATERIALS SCIENCE