Review of evolving trends in blended wing body aircraft design

Conceptual Design and Evaluation of Blended-Wing Body Aircraft

“…The underlying theoretical reason for this coupling is the inclusion of the fuselage planform area in the total lifting surface area required to achieve the design wing loading. 1,12,13 Since the wing geometry is not yet known on the first iteration, an initial guess for the basic wing design parameters is made. This is done for an outer wing of 40 % of the reference wing area as this was found to be a good starting point which minimized the computation time needed to reach convergence.…”

“…23 It is chosen to locate the engines in pods over the rear of the fuselage to help balance the aircraft, shield noise and limits foreign object damage. 1,24 It also lends itself well to structural integration as the strengthened rear bulkhead is located roughly underneath the pylons and gives the opportunity for structural synergy. Engines are placed at the XYZ-coordinates determined from input fractions of the fuselage length, diameter and height respectively.…”

“…They are a promising aircraft concept that have many important advantages over the conventional tube and wing (TAW) aircraft such as higher aerodynamic efficiency leading to lower fuel burn and emissions, lower noise emission and overall lower operational cost to airlines and operators. 1 These factors are becoming increasingly important in modern society and trends in aircraft design and operation have reflected this.…”

Experimental result analysis for scaled model of UiTM tailless blended wing-body (BWB) Baseline 7 unmanned aerial vehicle (UAV)

“…The wing span of the scaled model had been minimised and that is 0.021m 2 . The pitching angles being tested are between -10° to +30° with fixed elevator.…”

“…However, there are issues of flight stability and control that need to be addressed and solved. The BWB tends to have poor departure characteristics due to its lower maximum lift coefficient, which results from the absence or limited number of high lift devices and also tails with long moment arm [2]. The tailless nature of the BWB aircraft with multiple elevons as control surfaces requires understanding of the impact of these elevons have towards stability.…”