HEAT TRANSFER METHOD
Patent
·
OSTI ID:4144121
A method is given for increasing burn-out heat fluxes under nucleate boiling conditions in heat exchanger tubes without incurring an increase in pumping power requirements. This increase is achieved by utilizing a spinning flow having a rotational velocity sufficient to produce a centrifugal acceleration of at least 10,000 g at the tube wall. At this acceleration the heat-transfer rate at burn out is nearly twice the rate which can be achieved in a similar tube utilizing axial flow at the same pumping power. At higher accelerations the improvement over axial flow is greater, and heat fluxes in excess of 50 x 10/sup 6/ Btu/hr/sq ft can be achieved.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-14-025623
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2950604
- OSTI ID:
- 4144121
- Country of Publication:
- United States
- Language:
- English
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