Cold moderators for spallation sources
Conference
·
OSTI ID:6527158
Moderators using liquid and solid methane and liquid hydrogen are currently in use at major spallation neutron sources. Los Alamos Neutron Scattering Center (LANSCE) is planning the use of liquid methane as part of a major update program planned in about three years time. This report presents a general overview of some of these devices and outlines the general engineering design of the proposed LANSCE moderator, including some suggested solutions to the radiation damage problems of methane. Also included is a brief overview of a possible combined H/sub 2//Ch/sub 4/ moderator for high intensity proton beams. 15 figs.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6527158
- Report Number(s):
- LA-UR-89-488; CONF-8810182-22; ON: DE89007979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
07 ISOTOPE AND RADIATION SOURCES
070201* -- Radiation Sources-- Design
Fabrication & Operation
ALKANES
CRYOGENICS
DESIGN
HEAT EXCHANGERS
HYDRIDE MODERATORS
HYDROCARBONS
METHANE
MODERATORS
NEUTRON SOURCES
ORGANIC COMPOUNDS
PARTICLE SOURCES
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RADIATION SOURCES
070201* -- Radiation Sources-- Design
Fabrication & Operation
ALKANES
CRYOGENICS
DESIGN
HEAT EXCHANGERS
HYDRIDE MODERATORS
HYDROCARBONS
METHANE
MODERATORS
NEUTRON SOURCES
ORGANIC COMPOUNDS
PARTICLE SOURCES
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RADIATION SOURCES