Conceptual Design of Blended-Wing-Body Business Jet

Blended wing body (BWB) business jet is a new concept of business jet aircraft which give an alternative solution to solve the fuel efficiency problem of long range jet aircraft. The longer range of an aircraft, it means aircraft must have higher velocity to cut the time deficiency, and it means more fuel to burn up and more cost to pay. In the present work, conceptual design of BWB business jet was carried on to solve the Design Requirement and Objectives (DRO) of a business jet aircraft which mainly based on long range aircraft requirement. The design calculation of the present work was mainly based on empirical formulas from the references and doesn’t involve any experimental simulation or advance computational simulation such as CFD and FEM.

The DRO itself, consist of the demand to design business jet aircraft of 6-12 passengers which can fly nonstop from Jakarta to Los Angeles (  7800 nm). In the present work, BWB business jet design is high subsonic speed (0.85 M) with 3 high bypass turbofan engines. This design mainly construct to have high aerodynamic efficiency (high maximum lift to drag ratio) to get high fuel efficiency. To solve stability and control problem, present BWB design consist of reflexed camber airfoil, split rudder and winglet as vertical stabilizer. With this advance design, the present BWB design also mainly construct to have not quite far purchase price compare with the competitor.