ML18045A223
| ML18045A223 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 06/06/1980 |
| From: | Hoffman D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | Crutchfield D Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8006110165 | |
| Download: ML18045A223 (5) | |
Text
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consumers Power
.company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201 ** (517) 788-0550 June 6, 1980 Director, Nuclear Reactor Regulation Att Mr Dennis M Crutchfield, Chief Operating Projects Branch No 5 US Nuclear Regulatory Commission Washington, DC 20555 DOCKET 50-255 - LICENSE DPR-20 PALISADES PLANT - H FUEL CYCLE The attached information was requested by Mr H Balukjian and Mr L Philips of the NRC as a result of our June 5, 1980 meeting concerning the Palisades H fuel cycle.
David P Hoffman Nuclear Licensing Administrator
- CC JGKeppler, USNRC NRC Re;;ident Inspector-.Palisades Attachment 4 Pages
-. *~
SUMMARY
OF CYCLE 4 DNB Al'l.ALYSIS Design Reactor Core Conditions Design Core Power, (MWt)
Total Core Flow Rate, (106 lbm/hr) 6 Active Core Flow Rate, (10 lbm/hr)
Core Inlet Temperature, (°F)
Core Pressure, (psia)
Core Pressure Drop, (psi)
Fuel Bundles in Core Core Average Linear Heating Rate, (kw/~)
Fraction of Heat Generated in Fuel MDNBR (at design overpower)
Nuclear Peaking Factors Assembly Radial Peaking, FR Pin Power Peaking (for interior rods),
FR x Fj Pin Power Peaking {for narrow gap edge.
rods), FR x F..Q.
Pin Power Peaking. ~for H fuel wide gap edge rods), FR x F.l Axial Peaking, F (at 0.6 of active fuel height) a Engineering-Factor, -F e Total Peaking Factor Maximum Linear Heating Rate,. (kw/ft) Nominal 2910 120.2 113.0 542.5 2010 13.17.! 0.5 204 6.18 0.975 1.305 Maximum Linear Heating Rate, (kw/ft) at Overpower 1.45 1.66 1-.77 1.90 Nominal 2530 121.7 114.4 537,5 2060 13.5.! 0.5 204 5,37 0.975 1.41 (H fuel wide gap edge rods) 1.51 (other rods) 1.03 2.76 15.28 17.23
Limiting Anticipated Transient Core Power (including 1.02 uncertainty factor) (MWt)
Primary Pressure (psia)
Core Inlet Temperature ("F)
MDNBR Fuel Bundle Descriptions Rod Diameter Rod Pitch Active Fuel Length Number of Active Rods Number of Poison Rods*
Instrument Tubes Number of Guide Bars Number of Spacers Average Heating Rate at 2530 MWt Batch E/G
.415 in
.55 in 131.8 in 208 8
1 8
10
. 5.429kw/ft, 2580.6 2010 542.5 1.45 Batch H
.417 in
.55 in 131.8 in 208 8
1 8
10 5.429 lnr/ft
- Poison rod ciusters are removable; number of bundles actually containing poison rods is given below.
2
- ~.
Distribution of-Bundle Types - Cycle 4 Bundle Active Rods/
Type Bundle D
216 E/G 208 H
208 No. of Bundles 60 8/68 68 No. of Bundles with Poison Rods 8/20 16 3
Active Fuel Total Fuel LengthLRod Length 131.4 141,912 ft
_131.8 173,625 131.8 i55,348 Total 470,885 ft
DNB ANALYSIS Comparison of eycle 3 and Cycle 4 Nominal Core Power (MWt)
Design Overpower (MWt)
Total Vessel Flow Rate (io6 lbm/hr)
Active Core Flow Rate (106 lbm/hr)
Core Inlet Temperature (°F)
Core Pressure (psia)
Core Pressure Drop (psi)
Fuel Bundles in Core Core Average Linear Heating Rate (kw/ft) at 25.30 MWt Fraction of Heat Generated in Fuel Total Peaking Factor (FQ)
MDNBR (at design overpower)
Hot Bundle Flow Factor MDNBR (worst anticipated transient*)
- Four pump coastdown.
Cycle 3 2530 2910 120.2 113.0 542.5 2010 13.2 +/- 0.5 204 5.37 0.975 2.76 1.309 0.98
- 1. 43 Cycle 4 2530 2910 120.2 113'. 0 542.5 2010 13.2 +/- 0.5 204 5.37 0.975 2.76
- 1. 305 0.97
- 1. 45