Standard

The Effect of Engine Location on the Aerodynamic Efficiency of a Flying-V Aircraft. / Rubio Pascual, Berta; Vos, Roelof.

AIAA Scitech 2020 Forum: 6-10 January 2020, Orlando, FL. AIAA, 2020. AIAA 2020-1954.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Harvard

Rubio Pascual, B & Vos, R 2020, The Effect of Engine Location on the Aerodynamic Efficiency of a Flying-V Aircraft. in AIAA Scitech 2020 Forum: 6-10 January 2020, Orlando, FL., AIAA 2020-1954, AIAA, AIAA Scitech 2020 Forum, Orlando, United States, 6/01/20. https://doi.org/10.2514/6.2020-1954

APA

Rubio Pascual, B., & Vos, R. (2020). The Effect of Engine Location on the Aerodynamic Efficiency of a Flying-V Aircraft. In AIAA Scitech 2020 Forum: 6-10 January 2020, Orlando, FL [AIAA 2020-1954] AIAA. https://doi.org/10.2514/6.2020-1954

Vancouver

Rubio Pascual B, Vos R. The Effect of Engine Location on the Aerodynamic Efficiency of a Flying-V Aircraft. In AIAA Scitech 2020 Forum: 6-10 January 2020, Orlando, FL. AIAA. 2020. AIAA 2020-1954 https://doi.org/10.2514/6.2020-1954

Author

Rubio Pascual, Berta ; Vos, Roelof. / The Effect of Engine Location on the Aerodynamic Efficiency of a Flying-V Aircraft. AIAA Scitech 2020 Forum: 6-10 January 2020, Orlando, FL. AIAA, 2020.

BibTeX

@inproceedings{d48044b14e6f4a438ee8bf6d331f68be,
title = "The Effect of Engine Location on the Aerodynamic Efficiency of a Flying-V Aircraft",
abstract = "The Flying-V is a novel flying wing concept where the main lifting surface has been fully integrated with the passenger cabin. This study focuses on the effect of engine positioning on aerodynamic interference under regulatory and structural constraints. An initial benchmark for the lift-to-drag ratio is obtained from a baseline Flying-V configuration, and the influence of the x, y and z position, as well as engine orientation are subsequently analysed. An Euler solver on a three-dimensional, unstructured grid is used to model the flow at cruise condition: M=0.85, h=13,000 m, alpha=2.9 degrees, and a thrust per engine of 50 kN. The viscous drag contribution is computed using an empirical method. A total of forty different engine locations are tested under these conditions to build a surrogate model that predicts the aircraft's lift-to-drag ratio based on the position of the engine. The results obtained show that misplacing the engine can lead to significant lift-to-drag ratio losses going as high as 55\{\%} when compared against the ideal integration configuration. A region behind the airframe's trailing edge is identified where the interference losses due to the installation are minimized. At this location, engine installation causes a 10{\%} penalty in aerodynamic efficiency, a minimum one-engine-inoperative yawing moment and a small thrust-induced pitching moment.",
author = "{Rubio Pascual}, Berta and Roelof Vos",
year = "2020",
doi = "10.2514/6.2020-1954",
language = "English",
booktitle = "AIAA Scitech 2020 Forum",
publisher = "AIAA",

}

RIS

TY - GEN

T1 - The Effect of Engine Location on the Aerodynamic Efficiency of a Flying-V Aircraft

AU - Rubio Pascual, Berta

AU - Vos, Roelof

PY - 2020

Y1 - 2020

N2 - The Flying-V is a novel flying wing concept where the main lifting surface has been fully integrated with the passenger cabin. This study focuses on the effect of engine positioning on aerodynamic interference under regulatory and structural constraints. An initial benchmark for the lift-to-drag ratio is obtained from a baseline Flying-V configuration, and the influence of the x, y and z position, as well as engine orientation are subsequently analysed. An Euler solver on a three-dimensional, unstructured grid is used to model the flow at cruise condition: M=0.85, h=13,000 m, alpha=2.9 degrees, and a thrust per engine of 50 kN. The viscous drag contribution is computed using an empirical method. A total of forty different engine locations are tested under these conditions to build a surrogate model that predicts the aircraft's lift-to-drag ratio based on the position of the engine. The results obtained show that misplacing the engine can lead to significant lift-to-drag ratio losses going as high as 55\% when compared against the ideal integration configuration. A region behind the airframe's trailing edge is identified where the interference losses due to the installation are minimized. At this location, engine installation causes a 10% penalty in aerodynamic efficiency, a minimum one-engine-inoperative yawing moment and a small thrust-induced pitching moment.

AB - The Flying-V is a novel flying wing concept where the main lifting surface has been fully integrated with the passenger cabin. This study focuses on the effect of engine positioning on aerodynamic interference under regulatory and structural constraints. An initial benchmark for the lift-to-drag ratio is obtained from a baseline Flying-V configuration, and the influence of the x, y and z position, as well as engine orientation are subsequently analysed. An Euler solver on a three-dimensional, unstructured grid is used to model the flow at cruise condition: M=0.85, h=13,000 m, alpha=2.9 degrees, and a thrust per engine of 50 kN. The viscous drag contribution is computed using an empirical method. A total of forty different engine locations are tested under these conditions to build a surrogate model that predicts the aircraft's lift-to-drag ratio based on the position of the engine. The results obtained show that misplacing the engine can lead to significant lift-to-drag ratio losses going as high as 55\% when compared against the ideal integration configuration. A region behind the airframe's trailing edge is identified where the interference losses due to the installation are minimized. At this location, engine installation causes a 10% penalty in aerodynamic efficiency, a minimum one-engine-inoperative yawing moment and a small thrust-induced pitching moment.

U2 - 10.2514/6.2020-1954

DO - 10.2514/6.2020-1954

M3 - Conference contribution

BT - AIAA Scitech 2020 Forum

PB - AIAA

ER -

ID: 68365439