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Description
Dalian Advanced Light source (DALS) test facility project is primarily responsible for the performance test of DALS accelerator cryomodules and superconducting cavities. Accurate measurement of the Q0 of superconducting cavities relies on precise heat load measurements, including the static heat load of the cryomodule and the dynamic heat load during cavity operation. The DALS horizontal testbench (HTB) process design and sensor layout incorporates multiple common methods for measuring heat loads. This paper presents the HTB process design used for static and dynamic heat load measurements, along with the methods it enables. Preliminary experiments have been conducted using multiple measurement methods to test the cryomodule static heat loads, and the results were summarized and analyzed to determine the static heat load of the HTB feedcap and endcap, laying a foundation for the accurate measurement of the cryomodule performance.
