"Turbine geometry" refers to the shape, size, and arrangement of the blades or vanes in a turbine. It impacts the efficiency and performance of the turbine by affecting the flow of fluid or gas through it.
For starters, it's a flat - as opposed to an inline - four, and gets variable turbine geometry in «S» guise. (autofocus.ca)
The 2.0 - litre turbocharged diesel models have been radically redesigned, featuring variable turbine geometry and common - rail direct fuel injection. (ausmotive.com)
The new diesel engine is exceptionally light thanks to its aluminium - alloy construction and offers innovative common - rail direct injection and a turbocharger with variable turbine geometry for optimum power and performance. (topspeed.com)