Design and development of injector cryomodule for superconducting electron linac

As an alternative and to complement the production of the rare isotope beam(RIB) using beam from K130 Cyclotron, a project is being underway for the development of superconducting electron linac (e-Linac) to produce RIB following photo fission rout. In the first phase, development of the injector cryomodule (ICM) has been taken up in collaboration with TRIUMF. ICM is consist of the 2K and 4K helium chamber, joule thomson(JT) valve, heat exchanger, LN2 cooled radiation shield, warm and cold magnetic shield, strong back, supports, power coupler, tuner and vacuum chamber. Mechanical design of the ICM has been carried out along with evaluation of safe cool down rate of the cold mass. Cryogen distribution layout has also been designed considering conversion of the 4K liquid helium to 2K super fluid helium inside the ICM. Relief mechanism has also been formulated after carrying out the safety analysis considering the extreme eventualities.