Factors to consider for aircraft configuration are:
(i) Payload (ii) Lifting surface arrangement (iii) Control surface location (iv) Propulsion system (v) Type of landing gear.
Key technologies in aircraft design includes:
(i)Aerodynamics (ii) Propulsion (iii) Structures (iv) Flight controls (v) Systems/avionics (vi) Multidisciplinary design optimization.
Podded engines on wings: why put engines in pods on wing?
(i) To relief load on wing (ii) Easy access to work on engines (iii) Reduce drag (iv) Minimize casualties in case of mishap.
Wing sweep to be provided in an aircraft largely depends on the subsonic, transonic or supersonic configuration of the aircraft. Wing sweeps can also be variable or forward types.
Canards are the tails mounted ahead of an aircraft.
(i) When supersonic cruise/transonic maneuver is preferred over stealth, then, Canards will be incorporated in our aircraft designs.
(ii) It decreases the subsonic-supersonic aerodynamic center shift.
(i) Improves the aerodynamic efficiency.
(ii) Allows load to be distributed. This reduces the weight of the aircraft.
(iii) Aids relaxed static stability.
Three Surface Aircraft:
(i) Trims the aircraft with near minimum drag over wide center of gravity range.
(ii) Efficient component integration can reduce weight on aircraft.
(i) Reduce the strength of the wingtip vortex, hence it reduces induced drag.
(ii) Design requires advanced aerodynamic computational techniques.
(i) Provides an aircraft with vertical takeoff and landing capabilities.
(ii) For improved performance of aircraft.
Novel Concepts in Aircraft Design includes:
(i) Blended wing body (ii) Oblique wing supersonic transport (iii) Mother-daughter configuration
(iv) Strut-based wing (v) Low-sonic boom (vi) Uninhabited combat air vehicle (UCAV) (vii) Small aircraft - Micro aerial vehicles (Micro AVs).
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