Abstract: The measurement of in-cylinder pressure during operation in reciprocating compressors is usually done in a destructive test in which a small bore is machined in the side of the cylinder.

Abstract: The cylinder is an important component of reciprocating compressor, and the pressure loss of the internal flow field influences directly the energy efficiency of the compressor. Based on CFD ...

Nov. 28, 2025 Long-term inhalation of toxic air appears to dull the protective power of regular workouts, according to a massive global study spanning more than a decade and over a million adults.

The American Lung Association "State of the Air 2025" report ranks cities and grades counties based on their levels of ozone and two measures of particle pollution in 2021, 2022 and 2023. We use ...