HIGH-WATER PRESSURE TRAPDOOR MODEL TEST DEVICE AND USE METHOD THEREOF

    公开(公告)号:US20240295478A1

    公开(公告)日:2024-09-05

    申请号:US18663106

    申请日:2024-05-14

    CPC classification number: G01N3/12 G01N3/064

    Abstract: The invention provides a high-water pressure trapdoor model test device and a use method thereof. The high-water pressure trapdoor model test device includes a PIV analysis unit, a liquid material, a solid material, pore water pressure gauges, first soil pressure sensors, second soil pressure sensors, third soil pressure sensors, a test box and a pressurizing unit. A box body of the test box is provided with an opening sealed by a base plate, a hole is formed in the base plate, a trapdoor is arranged at the hole, the third soil pressure sensors are arranged in the trapdoor, the first soil pressure sensors are arranged in the base plate, the solid material is placed on the base plate, the second soil pressure sensors and the pore water pressure gauges are arranged in the solid material, and the liquid material is placed on the solid material.

    Secondary battery internal pressure measurement method

    公开(公告)号:US12051784B2

    公开(公告)日:2024-07-30

    申请号:US18324501

    申请日:2023-05-26

    Inventor: Sang Jun Park

    CPC classification number: H01M10/4228 G01N3/12 H01M50/30 G01N2203/0044

    Abstract: In order to more accurately measure internal pressure of a secondary battery, the present disclosure provides a measurement method including (a) interposing the secondary battery between an upper plate and a lower plate, (b) increasing internal pressure of the secondary battery by injecting a gas into the inside of the secondary battery, (c) monitoring surface pressure of the secondary battery at a measuring member which is in contact with the lower plate, and (d) measuring a value of the surface pressure from the measuring member at a point in time when at least one sealing portion of the secondary battery is vented.

    Systems and methods for analyzing multiphase production fluid

    公开(公告)号:US12019053B2

    公开(公告)日:2024-06-25

    申请号:US17841058

    申请日:2022-06-15

    CPC classification number: G01N3/12 G01N3/06 G01N33/2823 G01N2203/0611

    Abstract: Systems and methods for analyzing a multiphase production fluid includes a pipeline, a fluidic measurement chamber, a pressure sensor, a temperature sensor, an actuating unit, and a fluidic control unit. The actuating unit is partially disposed in the fluidic measurement chamber and is movable between an expansion stage in the fluidic measurement chamber and a compression stage in the fluidic measurement chamber. The fluidic control unit is in communication with the fluidic measurement chamber, the pressure sensor, the temperature sensor, and the actuating unit. The fluidic control unit is configured to communicate with the pipeline to supply the multiphase production fluid to the fluidic measurement chamber. The fluidic control unit is further configured to communicate with the pressure sensor to detect a first pressure of the multiphase production fluid in the fluidic measurement chamber at the expansion stage.

    CENTRIFUGAL TESTING DEVICE AND METHOD FOR SIMULATING GROUND SUBSIDENCE INDUCED BY BURIED PIPELINE LEAKAGE AND INFILTRATION

    公开(公告)号:US20240077403A1

    公开(公告)日:2024-03-07

    申请号:US18388535

    申请日:2023-11-10

    CPC classification number: G01N15/0806 G01N3/12 G01N33/246 G01N2203/0075

    Abstract: A centrifugal testing device for simulating ground subsidence induced by buried pipeline leakage and infiltration includes a model box provided with a transparent observation window at a front side, a chamber partitioning plate, a damaged pipeline model, permeable plates, and a water-soil separation device. A front part of the model box is divided into a test soil chamber for filling model soil and seepage chambers located at two sides of the test soil chamber. A rear part of the model box is divided into a soil filtration chamber and water circulation supply chambers located at two sides of the soil filtration chamber. The damaged pipeline model includes a front end provided with an electric push rod for controlling a crack of the damaged pipeline model to be opened and closed and a rear end provided with a ball valve device and connected to a water pump.

Patent Agency Ranking