ML042790374
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| ML042790374 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 04/23/2004 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML042790374 (1) | |
Text
BFN Heat Rejection Cooling Towers River Flow U/S Temperature D/S Temperature (1)
Wet Bulb Temperature (2)
Heat rejected by condensers Heat dissipation to atmosphere by towers Heat sent to river Unit 1 Unit 2 Unit 3 cfs
°F
°F
°F 109 BTU/hr 109 BTU/hr 109 BTU/hr 0%
105%
105%
open NA 10000 84.7 90 NA 16.4 NA 16.4 0%
120%
120%
open NA 10000 84.1 90 NA 19.1 NA 19.1 120%
120%
120%
open NA 10000 83.7 90 NA 28.5 NA 28.5 0%
105%
105%
helper 5 (existing) 10000 88.6 90 78 16.5 13.4 3.1 0%
120%
120%
helper 5 (existing) 10000 88.3 90 78 19.4 15.4 4
120%
120%
120%
helper 6 (SEIS preferred alternative) 10000 87.1 90 78 28.8 19.6
9.2 Notes
- 1. 90°F = NPDES limit for instream water temperature.
- 2. Wet bulb temperature 78°F considered worst case condition for cooling tower performance.
Mode Power Level pnhopping@tva.com Item 3-11_BFN_heat_rejection.xls 4/23/04