Research on internal leakage detection of the ball valves based on stacking ensemble learning
Sign Up to like & getrecommendations! Published in 2024 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ad56b0
Abstract: Natural gas is an important clean energy source that is mainly transported through pipelines. The ball valve is a crucial piece of control equipment for the pipeline transportation system for natural gas, and the failure… read more here.
Keywords: leakage; stacking ensemble; ball valve; internal leakage ... See more keywords
The Ball‐Valve Mechanism: Multimodality Imaging of Dynamic Tricuspid Obstruction From a Migratory Ruptured Sinus of Valsalva Aneurysm
Sign Up to like & getrecommendations! Published in 2025 at "Echocardiography"
DOI: 10.1111/echo.70323
Abstract: This manuscript presents a rare case of a ruptured non‐coronary sinus of Valsalva aneurysm into the right atrium, forming a giant migratory sac that caused dynamic tricuspid valve obstruction via a diastolic ball‐valve mechanism. Transthoracic… read more here.
Keywords: multimodality imaging; dynamic tricuspid; valve mechanism; ball valve ... See more keywords
Development of a piezoelectric pump with ball valve structure
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Intelligent Material Systems and Structures"
DOI: 10.1177/1045389x21994179
Abstract: This study designs, fabricates and tests a piezoelectric pump with the structure of a polystyrene ball check valve. The structure of the check valve consists of three layers of specially designed polymethylmethacrylate plates and six… read more here.
Keywords: ball valve; piezoelectric pump; valve structure; pump ... See more keywords