ABSTRACT A new piston secondary motion analysis has been developed that accurately predicts piston strength and the slap noise that occurs when the engine is running. For this secondary motion ...

Every new electric-car announcement is touted as another nail in the coffin of the internal-combustion engine. But the internal-combustion engine keeps fighting back. The latest counterpunch comes by ...

The process of vortex ring generation and propagation has received substantial treatment in the literature. A common ring generation geometry consists of a piston moving through tube that exits into a ...

A four-stroke (or four-cycle) engine is so called because in the process of producing power, the piston passes up and down the bore four times. These strokes or events are the induction, compression, ...

Friction slows equipment, wears components, and renders motion profiles unpredictable. One remedy for linear-motion friction is to use air bearings to carry normally contacting components while ...

Opposed-piston engines can be much more efficient than todays gas and diesel engines. With two pistons per cylinder, working in opposite reciprocating action, these engines do not need cylinder heads ...

It is generally acknowledged that connecting rod geometry, particularly center-to-center length, can have a material influence on a variety of engine conditions. These include specific relationships ...