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The Growth Engine Concept and Its Potential for an Electrified Aviation Future

Kavvalos, Mavroudis (author)
Mälardalens universitet,Framtidens energi
Kyprianidis, Konstantinos (author)
Mälardalens universitet,Framtidens energi
Padulo, M. (author)
AURA-AERO, Cugnaux, 312 70, France
 (creator_code:org_t)
American Society of Mechanical Engineers (ASME), 2024
2024
English.
In: Journal of engineering for gas turbines and power. - : American Society of Mechanical Engineers (ASME). - 0742-4795 .- 1528-8919. ; 146:7
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The emerging need for cost- and energy-efficient propulsion systems have shifted the research interest to radical concepts, with several challenges to overcome in order to enter into service. However, revitalizing old yet provably successful engine designs-a practice followed by engine manufacturers over the years-can provide low-risk alternative solutions to move immediate market demands. The paper reviews this approach, known as concept of growth engines or core commonality, and investigates how a geometrically fixed or geometrically similar engine core can be utilized across a family of engines. The development programs of the highly successful CFM56 and PT6 engine families are analyzed, proving the success of this concept over the years. The idea is based on the engineering paradigm of product families and is briefly presented from a theoretical perspective. Implementation methods and simulation tools to initiate, conceptualize, design, and evaluate an engine family program are reviewed. The potential application of engine core commonality into electrified propulsion systems is investigated. Design challenges and opportunities that electrification imposes to the growth engine concept are discussed. Finally, the concept of growth electrified propulsion systems is introduced, conveying future research directions to achieve a successful family of engines for electrified applications.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Energiteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Energy Engineering (hsv//eng)

Keyword

CFM56
core commonality
electrification
engine family
engine variant
growth engines
PT6
Electric utilities
Energy efficiency
Cost-efficient
Energy efficient
Engine variants
Growth engine
Propulsion system
Engines

Publication and Content Type

ref (subject category)
art (subject category)

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