EPRI (Electric Power Research Institute) reports that 7FA gas turbines have a rotor life of about 144,000 hours, or 5,000 starts. The primary life-limiting factor is high cycle fatigue cracks ...

Estimating fatigue strength in components and assemblies is a frequent engineering task. Doing so is critical to judging a component's durability for both its operational life and that of the ...

Power boiler startup and shutdown cycling and proper water chemistry are paramount in extending the life and reliability of the unit. Loss of control of either of these processes can cause cracking of ...

Jetting off for a jog in snug-fitting compression tights won’t help a runner go farther or faster, according to a new study that’s not doing any favors for its sponsor, Nike. The sports gear giant — ...

RAILWAY AGE, APRIL 2022 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more ...

Compared to traditional structural materials, polymer matrix composites (PMC) offer greatly enhanced performance and flexibility. However, these benefits come at the cost of increased material ...