About the Cover
Approximately 50,000 industrial gas turbines are in use throughout the world, and they are gaining in market share against reciprocating engines and steam turbines. However, they tend to be technically complex and hard to maintain. A team of engineers at Southwest Research Institute has designed a novel gas turbine engine, whose turbine disk is shown here, that is intended to be simple to maintain and inexpensive to operate.

The Power of Design
SwRI engineers develop a low-cost centrifugal gas turbine.