抄録
In the phase II of HTR-10, it will focus on experimental studies of helium turbine cycle. Secondary helium pipe with temperature 750℃ and internal pressure 1.2MPa should be designed in the second design. This paper will introduce the design of high-temperature secondary helium pipe. First, the design principle for this kind pipe is presented. The performance of resistance to elevated temperature and pressure are taken into consideration separately. Then, the key parts of the high-temperature pipe, which includes pipe, bellows compensator, penetration assembly, are introduced in detail. After heat transfer and structural analysis, it is shown that the high temperature pipe could satisfy the requirements of the phase II of HTR-10.
