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The significant simultaneous improvement in these areas represents a formidable technical and economic challenge in airplane and propulsion system design, and it is important to identify those propulsion system and advanced technology areas which show a high potential payoff for the next generation supersonic transport. ...The benefits of applying advanced propulsion technology to solve the economic and environmental problems will be reviewed. ...The benefits of applying advanced propulsion technology to solve the economic and environmental problems will be reviewed. The advanced propulsion technologies to be covered will be in the areas of structures, materials, cooling techniques, aerodynamics, variable engine geometry, jet noise suppressors, acoustic treatment, and low-emission burners.

The initial operational capability (IOC) of this aircraft will enable it to benefit from the propulsion technology advances of the Integrated High Performance Engine Technology (IHPTET) initiative. ...Past studies have shown that in order to achieve the optimum performance from these new advanced cores the engine cycle (specifically the fan pressure ratio) must be tailored to the aircraft mission and performance requirements. ...The missions and requirements to define this advanced fighter are currently in the embryonic stage. Even though the requirements are undefined, the engine company can evaluate a matrix of engine cycles in a notional airframe over a range of mission and performance levels.

The National Aeronautics and Space Administration (NASA) is engaged in a Supersonic Cruise Airplane Research (SCAR) Program to study and experimentally evaluate advanced technology that is applicable to future supersonic transports. A broad spectrum of advanced engine concepts including Variable Cycle Engines (VCEs) has been evaluated by Pratt & Whitney Aircraft (P&WA) in conjunction with the SCAR Program. ...This paper describes some of the advanced engine concepts and VCEs that were evaluated, and summarizes the features and problems of each engine. ...Future propulsion programs that are required for the United States to reach a competitive position in the advanced supersonic commercial airplane market are also reviewed.

Sustained high speed flight cannot be achieved by improvements in traditional turbojet/turbofan propulsion systems. Instead, propulsion cycles optimized for high speed flight are required. These include combined cycles such as the air turboramjet for the lower speed regime, and scramjet-type cycles for the higher speed regime. ...Characteristics of these advanced airbreathing propulsion cycles are discussed, and propulsion-related technology issues are addressed.

Current activities in seals for space propulsion turbomachinery that the NASA Lewis Research Center sponsors are surveyed. The overall objective is to provide the designer and the researcher with the concepts and the data to control seal dynamics and leakage.

The reliability and maintenance cost (R&MC) for an advanced turbine engine and prop-fan propulsion system is projected for high speed commercial airline use in the 1990s. ...Comparison of the advanced turboprop system maintenance cost with that of an advanced turbofan system shows it has competitive levels.

Check out the topics of discussion at the 2024 AeroTech event, such as aircraft systems, advanced air mobility, manufacturing and materials, and so much more!

SAE EDGE Research Reports provide examinations significant topics facing mobility industry today including Connected Automated Vehicle Technologies Electrification Advanced Manufacturing

How Honda’s Grand Prix motorcycle program in the 1960s created the world’s most advanced IC engines.

New for 2022, AeroTech® will deliver even more robust programming by teaming up with AeroMat to deliver learning opportunities dedicated to: Additive Manufacturing and Materials, Environment and Sustainable Aviation (Sustainability), Autonomy and AI, Safety and Human Factors, Modeling, Simulation and Testing, Cybersecurity / Cyber-Physical Security, Industry 4.0 Smart Manufacturing and Assembly, IDEAL Summit (inclusion, diversity, equity, accessibility and leadership), Advanced Air Mobility (AAM) and Multimodal Mobility (M3)

New for 2022, AeroTech® will deliver even more robust programming by teaming up with AeroMat to deliver learning opportunities dedicated to: Additive Manufacturing and Materials, Environment and Sustainable Aviation (Sustainability), Autonomy and AI, Safety and Human Factors, Modeling, Simulation and Testing, Cybersecurity / Cyber-Physical Security, Industry 4.0 Smart Manufacturing and Assembly, IDEAL Summit (inclusion, diversity, equity, accessibility and leadership), Advanced Air Mobility (AAM) and Multimodal Mobility (M3)

While providing these example architectures, this document will develop common definitions for the elements of the architectures by defining: 1 The elements of electrified propulsion architectures, including any dedicated power generation and distribution systems as well as energy storage elements. 2 The interfaces to/from the electrified propulsion system. 3 The interfaces within the electrified propulsion system. 4 Electrical energy management and storage architecture of an electrified propulsion system. ...It is recognized that the high power density associated with electrified propulsion will require an advanced thermal management system (TMS). It is expected that, in practice, there will be a great degree of implementation-specific variation in TMS solutions for the elements of an electrified propulsion system. ...The application of electric power for aircraft propulsion can take a variety of forms, ranging from partial electric to full electric. The introduction of electric engines to drive propulsors, along with the variety of available methods to generate electricity and store energy offers great degree of new design freedom for next-generation aircraft and aircraft architectures.

Experience with contemporary controls for commercial air transport propulsion has uncovered several areas where improvement is desirable. At the same time, advanced electronics show promise when applied in several of these areas. ...This creates many opportunities to improve air transport propulsion. The question then is: “Which controls improvements should be made first to yield the largest operational and economic benefits?” ...Based on this survey, an initial set of propulsion control system requirements was derived. These requirements are tomorrow's opportunities for the propulsion controls industry.

This paper endeavors to identify some of the requirements for the propulsion system of the advanced technology transport. These requirements lie in the areas of design, material selections, accessibility and maintainability of the system, and noise and emission control.

One of the more difficult aspects of designing a propulsion system for an unmanned aerial vehicle (UAV) is selecting a propeller and motor combination that will not only give optimum performance at the desired flight speed, but also allows the aircraft to become airborne.

Army Air Mobility Research and Development Laboratory issued four contracts for the design, fabrication, and testing of the Small Turbine Advanced Gas Generator (STAGG). The STAGG airflow range is approximately 1-5 lb/s. The purpose of the STAGG program is to provide the core gas generator technology base for future small gas turbine engine programs for the Department of Defense (DOD) as well as the Army. ...The STAGG program will incorporate advanced component technology into a gas generator in order to define matching and integration problems at an early date, thereby reducing gas turbine engine development time and cost.

SAE EDGE Research Reports provide examinations significant topics facing mobility industry today including Connected Automated Vehicle Technologies Electrification Advanced Manufacturing