Since the initial development and implementation of the modern gas turbine engine during the 1930s, tremendous progress has been made in advancing the technology for aircraft and marine propulsion, electric-power generation, and mechanical drives for industrial applications. Even with seventy years of development, there remain numerous opportunities for advances in efficiency, performance, service life, environmental friendliness, and affordability. A high-technology engineered system, the gas turbine can still benefit from advances in many fields to enable both breakthroughs and the removal...