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Comparison of new and old design. Reduced shielding Keep the thickness along injector line as 44” 1’ steel/lead + 32” concrete. concrete. lead. steel. Dose computation by FLUKA (loss point 1). 0.5. Dose computation by FLUKA (loss point 2). 0.5.

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Comparison of new and old design
Comparison of new and old design

  • Reduced shielding

    • Keep the thickness along injector line as 44”

    • 1’ steel/lead + 32” concrete

concrete

lead

steel




These questions arose from Last week LCLS-II Physics Meeting

  • If LCLS-II electron beam power is reduced from 5 kW to 3 kW, how it will affect the radiation shielding for

    • the LCLS-II dump and

    • LCLS-II BTH wall

  • Does RP have the experimental data to support the LCLS dump shielding design?


Radiation shielding for lcls ii main dump
Radiation shielding for LCLS-II Main Dump

Q1) If LCLS-II electron beam power is reduced from 5 kW to 3 kW, how it will affect the radiation shielding for LCLS-II main dump?

2

A1)

Soil

Concrete shielding could be reduced by approximately 1 foot

in the bottom, and lateral directions

Iron

FEE

5

1

4

Concrete

3


Lcls ii new bth wall
LCLS-II new BTH wall

Q2) If LCLS-II electron beam power is reduced from 5 kW to 3 kW, how it will affect the radiation shielding for LCLS-II BTH wall ?

A2)


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