Overview: The document discusses the dominance of gas turbines in aircraft propulsion and their potential in vehicular applications. It highlights the challenges faced by vehicular gas turbines, such as low efficiency at low power, slow response time, and high cost. The Inter-Cooled Recuperated (ICR) cycle is presented as a solution to improve efficiency at both high and low power levels.

ICR 225 Gas Turbine: The ICR 225 gas turbine is designed to provide high efficiency at both high and low power outputs. It operates as a 225 kW generator for high power needs and can efficiently function as a 75 kW generator for low power requirements, making it suitable for traffic and highway cruising. The turbine is capable of rapid acceleration and handling heavy loads.

Technical Specifications: The ICR 225 features a high efficiency of up to 42%, low emissions, and low cost due to the use of turbocharger-based rotor groups and compact generators. It is lightweight, with a generator set weighing 1200 lb (545 kg), and offers fuel flexibility, capable of using diesel, gasoline, methanol, ethanol, biofuels, natural gas, propane, and hydrogen.

Design and Development: The basic design and performance analysis of the ICR 225 are complete, with detail design, prototype fabrication, and test unit delivery expected to take approximately 18 months. The design can be optimized for specific applications.

Unique Features: The ICR 225 gas turbine uses a patented process to achieve high efficiency at both full and part load. It employs two stages of compression and an intercooler to enhance power density and efficiency. Ceramic turbine wheels and variable turbine nozzles are used to control pressure and mass flow.

Collaborating Companies: The development of the ICR 225 involves Agile Turbine Technology, Brayton Energy, and Capstone Turbine Corporation, each contributing expertise in advanced vehicle engines, turbomachinery, and low-emission microturbine systems.

Contact Information: For further inquiries, contact Steve Gillette, Vice President, Marketing & Applications at Capstone Turbine Corporation.