Literature_Review_Chart

Article 1

Article 2

Citation information

(Author, Title, Publication Date, Source)

Jangho Park, Jae-Young Choi, Yeongmin Jo, Seongim ChoiIngestion “Stability and Control of Tailless Aircraft Using Variable-Fidelity Aerodynamic Analysis”

Journal of Aircraft, Vol. 54, No.6, November-December 2017

Jeffrey J. Berton “Requirements-Driven Optimization Method for Acoustic Treatment Design”

Journal of Aircraft, Vol. 54, No.6, November-December 2017

Purpose/ Problem

Evaluation the stability and control characteristics of the tailless aircraft

Attenuation specific noise sources inside turbofan engines

Subject/ Solution

An analytic method that derives the ideal target attenuation spectrum that minimizes noise perceived by observers on the ground.

Methodology

A hierarchy of variable-fidelity aerodynamics analysis methods, including unsteady linear potential flow, Euler, and Reynolds-averaged Navier–Stokes (RANS) solvers as low-, medium-, and high-fidelity analysis, respectively.

Analytically modeling airport community noise

Results and conclusions

Given a hardwall noise source to suppress with acoustic treatment, there exists an ideal suppression spectrum shape that minimizes noise perceived by observers on the ground.

Contribution

Contributions of the study are numerous. First, derivations of the equations of motion for the tailless aircraft and stability criteria using system matrices in longitudinal and lateral motions were carried out. Second, a possibility to compute dynamic derivatives at computational cost considerably less than that of the conventional time-marching method without deterioration in solution accuracy.