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Aero Engine

FUTURE EFFICIENCY

10,000 engines still in the backlog. The LEAP
Aero engine manufacturers race to
engine has also set industry standards for fuel
prove the technologies needed for efficiency and asset utilization, with in-service
next-generation powerplants engines having accumulated over 29 million
 Atul Chandra engine flight hours and over 13 million cycles
in commercial operation. As compared to pre-
he successful development of next-generation commercial vious generation engines, the installed LEAP
aircraft engines are one of the most important aspects in engine fleet is delivering up to 20 percent
T the aviation industry’s quest to attain net zero emissions lower fuel consumption and CO2 emissions,
from air transport by 2050. Engine manufacturers are already in addition to a significant improvement in
well advanced in their efforts to develop new technologies and noise. Since its entry into service in 2016, the
processes that will pave the way for a series of revolutionary LEAP engine has enabled customers to save
powerplants that could enter service beginning in the mid-2030s. more than 20 million tons of CO2 compared
to previous generation engines.
The advanced engine architectures being considered such as
open fan, hybrid electric propulsion systems, and new compact CFM’s Revolutionary Innovation for
engine core designs are nothing like the powerplants that we are Sustainable Engines (RISE) demonstrator
so familiar with today. Engine manufacturers have largely driven engine programme, provides one of the
dramatic fuel-efficiency improvements on modern jetliners. As clearest indicators of future commercial aero
compared to commercial turbofan engines in service in the early engine technology. GE Aviation and Safran,
1980s, new-generation aero engines which entered service in the the JV partners in CFM International the tech-
latter half of the last decade, have reduced fuel consumption and nology development programme in June 2021,
CO2 emissions by 40 per cent. The new-generation powerplants targeting more than 20 percent lower fuel
entering service in the next-decade are expected to deliver addi- consumption and CO2 emissions as compared
tional fuel-efficiency improvements to the tune of 20 per cent. to today’s engines. Such a next generation
aero engine would bring an advanced suite
of revolutionary technologies to market that
CFM International will take the next generation of single-aisle
aircraft to a new level of fuel efficiency and
CFM International (CFM) has hit a home run with the LEAP engine, reduced emissions. A demonstrator engine is
which entered service in 2016 and over the course of produc- scheduled to begin testing at GE and Safran
tion, will likely overtake the CFM56, as the best-selling aircraft facilities around the middle of this decade,
engine of all time. CFM has already delivered over 5,000 LEAP with flight tests slated to begin in the latter
engines delivered to customers worldwide and has more than half of the decade.

ASIAN AIRLINES & AEROSPACE MARCH - APRIL 2023 | 17