Details
Description
This equipment, which is hosted by the Dalton Cumbrian Facility, is situated in Cumbria, not in Manchester.
Gamma irradiator (Foss Therapy Services Model 812):
- Currently loaded with three source rods (60Co) with activity evenly distributed along each rod, supplying a planar radiation field
- Two turntable positions centred at 10 or 15cm from the source with central dose rates of ~49 and ~29 Gy/min respectively (January 2025)
- Irradiation chamber measures 25cm wide by 27cm high, providing 9L capacity can be extended to 30cm height for planar irradiations, if turntable mechanism removed
- Two 19mm diameter shielded service ports for feed through of instrument cables or carrier lines for liquid/gas for in-situ monitoring of samples or electronics
- Attenuators provide up to ×32 reduction in dose rates and dose rates can be further reduced by raising only 1 or 2 sources
- Dewar available for low temperature measurements in liquid nitrogen, dry ice or other cooling bath mixture
- A bespoke fluid recirculation loop that operates at high temperature and pressure can be fed through the gamma irradiator service ports and coupled to an autoclave (can withstand up to 350 °C and 220 bar), allowing for extreme conditions relevant to nuclear reactor coolant to be probed.
Gamma irradiator (Foss Therapy Services Model 812):
- Currently loaded with three source rods (60Co) with activity evenly distributed along each rod, supplying a planar radiation field
- Two turntable positions centred at 10 or 15cm from the source with central dose rates of ~49 and ~29 Gy/min respectively (January 2025)
- Irradiation chamber measures 25cm wide by 27cm high, providing 9L capacity can be extended to 30cm height for planar irradiations, if turntable mechanism removed
- Two 19mm diameter shielded service ports for feed through of instrument cables or carrier lines for liquid/gas for in-situ monitoring of samples or electronics
- Attenuators provide up to ×32 reduction in dose rates and dose rates can be further reduced by raising only 1 or 2 sources
- Dewar available for low temperature measurements in liquid nitrogen, dry ice or other cooling bath mixture
- A bespoke fluid recirculation loop that operates at high temperature and pressure can be fed through the gamma irradiator service ports and coupled to an autoclave (can withstand up to 350 °C and 220 bar), allowing for extreme conditions relevant to nuclear reactor coolant to be probed.
Details
Name | Cobalt 60 Gamma Irradiator |
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