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Overview of Aero Engine Development in India
0:00:02 Introduction: The speaker begins by thanking the audience and organizers, introducing the topic of indigenous aero engine development for various platforms.
0:00:26 Presentation Outline: The presentation will cover current indigenous aero engine development, future programs, and advanced high-thrust engine development.
0:01:00 Current Engine Sourcing: Most engines are either manufactured under license or imported.
0:01:33 Indigenous Aero Engine Development: Focus on indigenous development in turbofan and turboshaft engine categories.
0:01:49 GTRE's "Cav derivative engine" for remotely piloted aircraft.
0:02:29 Testing Progress: Core engine testing for the 25kN turbofan is complete, with full engine testing underway. Gas generator testing is complete for the 1200 kW turboshaft engine. 2.7 kN engine has completed detailed design with module testing ongoing.
0:03:14 Industry Participation: Indian startups and MSMEs are contributing to engine component development.
0:03:46 GTRE's Kaveri Engine: 13 engines built and 3400 hours of testing, including altitude and flight testing. The engine experienced a 5% thrust shortfall in dry mode and a 13% shortfall in afterburner mode, along with higher weight.
0:05:37 Kaveri Derivative Engine for RPSAs: The Kaveri derivative engine had a 75% commonality with the original and uses a serpentine intake. It features a new fan design, autonomous digital control, and enhanced fuel control with cross-channel data link.
0:07:42 Aircraft Integration: Integrated the accessory gearbox, JFS, hydraulic pumps, and IDG.
0:08:17 Small Turbofan Engine: A 4.5kN small turbofan engine was successfully flight tested, meeting mission requirements.
0:08:44 Thrust-to-Weight Ratio: Achieved a 6.5 thrust-to-weight ratio, with a target for a 75 kN engine but with a weight issue.
0:09:18 Infrastructure: India has infrastructure for aerodynamic testing and component manufacturing.
0:09:39 Manufacturing Partnerships: Partnerships with Godrej, BrahMos, and Turbo Energy for engine production and turbochargers.
0:10:34 Academia Collaboration: 15 DRDO-Industry-Academia Centers of Excellence for propulsion technology, materials, and air-breathing propulsion.
0:12:22 Advanced High-Thrust Engine: Discussion on 5th and 6th generation engine characteristics.
0:12:26 5th Gen: Thrust-to-weight ratio of 10, turbine temperature of 2000 Kelvin
0:13:01 6th Gen: Thrust-to-weight ratio of 14, turbine temperature of 2200 Kelvin
0:13:20 Proposed Engine Development: GTRE proposes co-designing and co-developing a 110 kN engine to acquire critical technologies.
0:14:14 Engine House Concept: Proposing an international engine house that will lead in core engine development.
0:14:47 Development Model: DRDO, the international engine house, Indian industry, and certification bodies (CEMILAC and DGQA) will be the main stakeholders.
0:15:54 Manufacturing and Technology Transfer: Indian industry will be the main manufacturing partner with technology transfer from both GTRE and the engine house.
0:16:26 Advanced Technologies: 3D blading, non-metric endwall contouring, advanced blade cooling, boltless blade retaining, and more will be utilized.
0:16:56 Initiated Programs: DRDO is working on technologies like powder metallurgy, single crystal blades, and large castings with various partners.
0:17:37 Synergy and Applications: Aiming for synergy between civil and military applications.