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Ever wondered how a 290-tonne behemoth can fly? And at the same time carry up to 555 passengers? Not only that but with an engine more efficient than your car? It’s Airbus’ A380, a twin-deck, four-aisle airliner but most importantly, aeronautical engineering is the branch of engineering that made it possible.
Aeronautical engineering is the study of the mathematics and mechanics of
flying objects, in particular aeroplanes. It is a field that is highly
mathematical and very dependent on the mathematical branch of calculus, with
unique methods used like the Finite Elements (FE) method and Computational Fluid
Dynamics (CFD) to name a few. The main elements of aeronautical engineering
are:
- Aerodynamics - the study of fluid flow around objects such
as wings and in actual fact can be applied to a wide range of fields like
calculating forces and moments on aircraft, the mass flow of petroleum through
pipelines, and prediction of weather patterns.
- Propulsion - the study of methods to move a vehicle through
the air provided by internal combustion engines, jet engines and rockets.
- Flight Dynamics/Controls - the study of maneuvering
vehicles to achieve the desired position and attitude, in fact combat aircraft
is designed to be highly unstable so as to be highly maneuverable with the aid
of state-of-the-art fly-by-wire systems.
- Aircraft Structures - design of the physical configuration
of the craft to withstand the forces encountered during flight and also at the
same time required to be relatively lightweight.
- Aeroelasticity - the interaction of aerodynamic forces and
structural flexibility, potentially causing flutter, divergence, etc.
Aeronautical engineers tend to work on projects like performing wind tunnel
tests on an aircraft model, designing and analyzing the structure of an airplane
wing, taking data from a flight test to study how a new component works or how
it can be improved, building and testing engines or rocket motors for a new
airplane or missile, using computers to predict the aerodynamic behavior of a
new aircraft design, designing flight control systems to make airplanes easier
and safer to fly, predicting the performance characteristics (such as maximum
range and maneuverability) of aircraft and missiles, or creating flight
simulators for training pilots or modeling the flight characteristics of various
aircraft.
However skills learnt in aeronautical engineering are
not only limited to just aircraft but are highly transferable to other fields.
For example in the automotive industry, where the aerodynamics of vehicles are
being optimized to increase operating efficiencies of cars and also in the
structures department, where structures are optimized to be both strong and
weight-efficient with the use of composite materials and metals like titanium
and aluminium alloys.
All in all, the future looks bright in Asia for
the aeronautical industry with the outsourcing trend from the West to the East
that is so apparent now as companies seek to lower costs, the emergence of
budget airlines in Southeast Asia which has struck the right note with the
region’s burgeoning middle-class and with China’s frightening rate of
development where industry experts are anticipating 2,400 new aircraft orders
over the next 20 years.
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