ML19347A382

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Chapter 1 to State Univ of Ny at Buffalo Final Hazards Summary Rept,Revision 2, Introduction
ML19347A382
Person / Time
Site: University of Buffalo
Issue date: 09/23/1963
From:
NEW YORK, STATE UNIV. OF, BUFFALO, NY
To:
References
NUDOCS 8104080560
Download: ML19347A382 (5)


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TABLE CF CCurdNr3 Page I.

INTRODUCTION.......................................

1 II. 14 CATION..........................................

1 1

A. C. _ u..................................

1 B.

Site.....................................

2 C.

!kterology...............................

5 1

Temperature........................

6 2

Uinds..............................

11

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3.

Precipit,' ion......................

20 D.

Hydrology................................

26 1.

Concrci............................

26 2

Geolony............................

26 I

3.

Soil Characteri stics...............

27 4.

Conclusions........................

31 m "

E.

Seisamlogy...............................

31 III. LE.*.CTOR BUILDI NG...................................

33 A. Genera 1..................................

33 B.

Neutron Deck level.......................

34 C.

Coma Deck Leve l.........................

35 D. Control Deck Level.......................

35 E

E.

Has te Dis pos al...........................

40

,J, F.

Monitoring of Air Discharge..............

40 IV. REACTOR DES CRIPTION...............................

43

  • ~

A.

General..................................

43

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3. Reactor Tank.............................

44 C.

Core and Supporting Structure............

45 D.

Fuel.....................................

47 i

E.

Cooling and Purification.................

49 F.

Shim Safety Rods and Drives..............

51 j

1 Shim Safety and Regule.

cing S afety nods.................

51 i

2 Transient Rod......................

53 i

G.

Instrumentation..........................

53

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1 Steady Stata Operation.............

53

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(a) Count-Rate or Start-up Channel.......................

55 (b) Linear N Power................

55 (c) Ing N Pouer Channel...........

55 (d ) S afety Channels................

56 (e) Temperatures...................

57 2

Transient operation.................

50 j

3.

Radiation Monitors..................

61 4

Mtsse11aneous.......................

62 N

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  • H It TABLE OF CONTENTS (Cont'd)

_o 1!. Expo:icental Pacilitics......................

65 1

Core Expe ri ments.....................

65

~ 7 2

Dcam Tubes.............................

65 w

3.

ncbbit Tubes...........................

65 4.

Th e rma l Co lumn.........................

65 5.

Caus Faci li ty.........................

66 6

Hedical Facility.......................

66 7.

Hot Ce11...............................

68 C.

Fission Plate..........................

60 l

I.

E::periment al Pro 3 ram.........................

68 i

J.

Reactor Operation............................

70 1

Initial Start-up and Approach to Cri ticali ty.......................

70 w

2 Normal Operation St art-up..............

71 t

(a) Steady State Operation............

71

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(b ) Puls e Operation...................

72

-g '"

V.

REACTIVITY n5UIREHENTS...............................

74 m

A.

Temperature coefficient......................

75 n.

In-Core Experimento..........................

75 C.

Ecsm Tubes and Pneumatic Conveyors...........

75 D.

Eurn-up and Low Cross Section Fission.

Products....................................

75 E.

Equi librium Xenon............................

76 F.

Parti al S amarium...........'..................

76 C.

Power Coe f fi ci e nt............................

76 H.

The rma l Co lumn...............................

76

.m I.

Puls e Reac tivity Raquirements................

76

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J.

Long Team Operation..........................

77 K.

Typical Core Loading.........................

77 l

VI. PERSONNEL AND ORGANIZATION...............'.............

79

.ns VII.HA2ARDS...............................................

80 A.

Natural Hazards..............................

81 B.

Hinor Accidents..............................

81 1

Loss of Ventilation....................

81 2

Coolant Pump Failure...................

83 3.

Wate r-logging..........................

03 4.

Loss of Pool Water.....................

35

.I' S.

Heximus Start-up Accident..............

85 le 6

Transient Rod Foils to Return to Starting Position.....................

07 C.

Ha::imum Credible Accident....................

88 l w 1

Cause..................................

80 l

2 Resu l t s................................

91 l

(a) Release of 3.5 per cent luff......

94 (b) Continuous nelease................

90 ll" (c) Hasards Ulthin the Reactor l g.

E Building.........................

101 (d) External Hazards..................

103 l lw

'3

TABIE OF CONTENTS (Cont'd)

Pane

3. Conclusion.............................

104 APPENDIX I................................................

105 A.

Phycies.............................

105 1.

Steady State...........................

105 2.

Transient..............................

110

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D.

Re ac t ivi ty E f fe c t s...........................

112

' j 1.

k na Torm Operations...................

112

5 2.

Xenon and Samariun Poisoning...........

117

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3.

Control Rod Worth......................

120 J

C.

Flux De te rminat io n...........................

123 3

1.

Steady state...........................

123 2.

Transient..............................

127 D.

Heat Trans fer and Stress Analysis............

133 1.

Steady Stato...........................

133

2. Transient..............................

149 3.

Stress Analysis........................

150

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'l LIST OF FICITdES ILLUSTMATIONS, AND GRAPHS

,l

,5 Subject Pace No.

Finure No.

I Geological Survoy Map of Duffalo and Vicinity 3

I II Aarial View of Campus and Area to Se.cbeast 4

III Graph of Seasonal Variation of Lapse Rate 8

(1890 to 1930)

IV, V VI Wind Roso Diag ses Shoving Direc6n and Velocity 13, 14,14A

)

Avorago Monthly Values (1918 - 1947)

VII Geological Profile of Campus in North-South 28 I

Direction VIII Strati rophic Column at Nuclear Reactor Sito 29 d

II Roactor Building - Basement Plan (Neutron Deck) 36 X

Reactor Building - First Floor Plan (Cascoa Deck) 37

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XI Reactor Building - Second Floor Plan (Control 38 Dock) 95 8h XII Reactor Building - Cross Section at Centerline 39 4

i of Reactor, and Longitudinal Section at i

Contarline of Building XIII Plenum Safety Flapper and Grid Plata Assembly 46 XIV APR Fuct Assembly 48 XV Cooling and Purification ' System 50 XVI Pulse Rod Mechanism 54 XVII Block Diagram of Nuclear Reactor 59, 60 i

XVIII Vertical Section Through Thermal Column 67

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I

).'I LI

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LIST OF FIGURES ( Cont'd)

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.w I

Finuro No.

Subicet Pane No.

==d A-1 K,gg vs. Mw Days 115 A-2 B

vs. Burnup 116 1

i A-3 Pu-239 Inventory at 2 Hv Operati: n 118 l

A-4 Xonon Buildup vs. Tha after Startup 119 A-5 Xenon Poisoning, vs. Tirsa After Shutdown 119A

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A-6 Integral Rod Worth 122 T

A-7 Flux Traverse Across Core and Reflector 124

.a A-8 Flux in Reflector 125

.j A-9 Flux in Reflector 126 A-10 Flux in Wsterhole at Center of Core 128 A-11 Flux in Waterhole at Center of Core 129 7

A-12 Flux in U-Shaped Cavity 130

,.4 A-13 Flux in U-Shaped Cavity 131 A-14 AG Steady State Tempcrature Diitribution at 2 Hw 140 A-15 Power Input - 40 Mw-sec Pulse 142

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A-16 Power Input - 90 Mw-sec Pulse 143 A-17 Fuel Pia Radial Power Distribution 144 A-18 Specific Beat - U0 145 2

A-19 Thermal Conductivity - UO 146 2

A-20 Thermal Diffusivity of 00 and Zr 147 2

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A-21 APR Fuel Pin 148 A-22 Temperature variation for U0 and Zr 151 2

Natural Convection A-23 Ibermal Stress vs. Temperature Difference 155 Across Clad A-24 Yiold Strength of Zircaloy-2, Variation of 156 Young's Modulus with Tamperature l

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