In order to study the characteristics of a rolling lobe air spring, a vertical stiffness analytical model is constructed based on thermodynamics and hydrodynamics. The merit of this vertical stiffness ...

For decades, moldboard plows, disks and field cultivators, all horizontal tillage tools, have been the go-tos for fieldwork. That’s changing as fears about climate change come into focus. Sooner or ...

Most people probably don’t think about springs until one kinks up or snaps, but most of the world’s springs are pretty crucial. The ones that aren’t go by the name Slinky. We all use and encounter ...