公开(公告)号：US20230314273A1

公开(公告)日：2023-10-05

申请号：US18021173

申请日：2022-08-04

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Xiancheng ZHANG ,  Liqiang LIU ,  Jianping TAN ,  Runzi WANG ,  Shantung TU ,  Junmiao SHI

IPC: G01M9/04 ,  G01N3/56

CPC classification number: G01M9/04 ,  G01N3/56

Abstract: An ultrahigh-temperature wind tunnel erosion testing system is provided, including a fuel system (1), an erosion system (2), an erosion spray gun (3), a test piece fixture (5) and a testing device; the erosion spray gun (3) is connected with the fuel system (1) and the erosion system (2) respectively; the erosion spray gun (3) is arranged on a lifting and rotating mechanism (4); the test piece fixture (5) is arranged on one side of the lifting and rotating mechanism (4) and is opposite to a nozzle of the erosion spray gun (3); and the testing device is connected with the test piece fixture (5). The plurality of groups of test pieces are circlewise arranged around the lifting and rotating mechanism (4).

公开(公告)号：US20240335919A1

公开(公告)日：2024-10-10

申请号：US18285325

申请日：2023-04-10

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY ,  AECC COMMERCIAL AIRCRAFT ENGINE CO .LTD ,  AECC HUNAN AVIATION POWERPLANT RESEARCH INSTITUTE

Inventor： Xiancheng ZHANG ,  Shulei YAO ,  Shantung Tu ,  Yuxin CHI ,  Yalong CHEN ,  Lizhang ZHANG ,  Fei ZENG ,  Congyang Gong ,  Ning Wang ,  Junmiao SHI ,  Yunfei JIA ,  Shuang LIU

IPC: B24B31/06 ,  B24B19/14 ,  B24B31/12

CPC classification number: B24B31/06 ,  B24B1/04 ,  B24B19/14 ,  B24B31/003 ,  B24B31/064 ,  B24B31/12 ,  B24C3/22 ,  B24C3/28 ,  B24C5/005

Abstract: A water jet strengthening and polishing integrated system for blades of a blisk includes a vibration polishing unit and a water jet strengthening unit. The vibration polishing unit includes a vibration polishing bath, the vibration polishing bath is internally provided with a clamp for clamping the blisk, and vibration motors for driving the vibration polishing bath to vibrate are installed on the vibration polishing bath. Top ends of support springs are fixedly connected with the vibration polishing bath, and bottom ends of the support springs are fixedly connected with a workbench. The water jet strengthening unit includes a water jet strengthening device for carrying out water jet strengthening on the blades of the blisk and a driving mechanism for clamping the water jet strengthening device and capable of driving the water jet strengthening device to move in any direction in space.

公开(公告)号：US20240295477A1

公开(公告)日：2024-09-05

申请号：US18574682

申请日：2023-03-29

Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Xiancheng ZHANG ,  Shantung TU ,  Liqiang LIU ,  Jianping TAN ,  Binhan SUN ,  Junmiao SHI ,  Runzi WANG ,  Ji WANG

IPC: G01N3/08

CPC classification number: G01N3/08 ,  G01N2203/0069 ,  G01N2203/0228

Abstract: A system for testing fatigue performance of material in low-temperature liquid hydrogen environment, which relates to the technical field of mechanical property test platforms, includes a jacket cover. A hydrogen sensor is provided at the top of and within the jacket cover; a rack, a liquid hydrogen tank and a liquid nitrogen tank are provided in the jacket cover; a loading mechanism and a liquid hydrogen containing mechanism are provided on the rack, the loading mechanism is connected to the rack, and the bottom of the loading mechanism extends into the liquid hydrogen containing mechanism; the liquid hydrogen tank and the liquid nitrogen tank both communicate with the liquid hydrogen containing mechanism; and the loading mechanism is configured for providing tension or pressure to a sample. The liquid hydrogen containing mechanism is provided with a cooling channel located around a sealing gasket, the cooling channel communicates with a thermostat.