Heat transfer in pipes
- Burbach, T.
- Apr 1, 1985.
- Physical Description:
- 1 electronic document
- Restrictions on Access:
- Unclassified, Unlimited, Publicly available.
- The heat transfer from hot water to a cold copper pipe in laminar and turbulent flow condition is determined. The mean flow through velocity in the pipe, relative test length and initial temperature in the vessel were varied extensively during tests. Measurements confirm Nusselt's theory for large test lengths in laminar range. A new equation is derived for heat transfer for large starting lengths which agrees satisfactorily with measurements for large starting lengths. Test results are compared with the new Prandtl equation for heat transfer and correlated well. Test material for 200- and to 400-diameter test length is represented at four different vessel temperatures.
- NASA Technical Reports Server (NTRS) Collection.
- Document ID: 19850019950., Accession ID: 85N28262., NAS 1.15:77838., and NASA-TM-77838.
- No Copyright.
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