Abstract: The traditional double reciprocating ultraclean bellows pump has a significant flow pulsation due to the minimum output flow, when one side of the bellows discharge ends and the other side ...

Abstract: To determine the main source and frequency distribution of the pneumatic noise of the supercharger compressor, the sound field characteristics of the compressor were studied using the ...

What’s the most surefire way to achieve Civil War 2.0 in the United States? According to one wild simulation, it’s exactly what’s happening right now in Minneapolis. In October 2024, researchers at ...

Developments in Minnesota closely mirror a scenario explored in a 2024 exercise conducted at the Center for Ethics and the Rule of Law at the University of Pennsylvania, which I direct Since 6 January ...