Aerodynamic efficiency and performance enhancement of fixed-wing UAVs

P Panagiotou, K Yakinthos - Aerospace Science and Technology, 2020 - Elsevier
The present work aims in providing guidelines for the aerodynamic and performance
optimization of fixed-wing Unmanned Aerial Vehicles (UAVs) that operate in the low-speed …

Energy saving potential of a combined solar and natural gas-assisted vapor absorption building cooling system

G Singh, R Das - Journal of Solar Energy …, 2019 - asmedigitalcollection.asme.org
A building energy simulation study is carried out to analyze the performance of a triple-
hybrid single-effect vapor absorption cooling system (VACS) operated by solar, natural gas …

CFD-aided optimization of a tactical Blended-Wing-Body UAV platform using the Taguchi method

S Kapsalis, P Panagiotou, K Yakinthos - Aerospace Science and …, 2021 - Elsevier
The current study presents the layout optimization of a tactical, fixed-wing UAV, during the
early stages of the preliminary design. The reference platform is a Blended-Wing-Body …

[HTML][HTML] Numerical study of a supercritical airfoil/wing with variable-camber technology

NIU Wei, Y Zhang, C Haixin, M Zhang - Chinese Journal of Aeronautics, 2020 - Elsevier
Variable-camber technology is considered an effective way to adaptively improve the
aerodynamic performance of aircraft under various flight conditions. This paper studies the …

Performance analysis of turbo-electric propulsion system with fuselage boundary layer ingestion

S Samuelsson, T Grönstedt - Aerospace Science and Technology, 2021 - Elsevier
A propulsion system analysis of an aircraft concept featuring a fuselage tail cone integrated
turbo-electrically powered fan is presented. The aircraft has two underwing podded geared …

An Evaluation of Fixed-Wing Unmanned Aerial Vehicle Trends and Correlations with Respect to NATO Classification, Region, EIS Date and Operational Specifications

D Mitridis, S Kapsalis, D Terzis, P Panagiotou - Aerospace, 2023 - mdpi.com
The current study provides a thorough analysis and evaluation of fixed-wing UAV
correlations with respect to NATO classification, region of production, entry-into-service (EIS) …

Assessment of CO2 and NOx Emissions in Intercooled Pulsed Detonation Turbofan Engines

C Xisto, O Petit, T Grönstedt… - … of Engineering for …, 2019 - asmedigitalcollection.asme.org
In the present paper, the synergistic combination of intercooling with pulsed detonation
combustion is analyzed concerning its contribution to NOx and CO2 emissions. CO2 is …

Parametric aerodynamic study of Blended-Wing-Body platforms at low subsonic speeds for UAV applications

P Panagiotou, K Yakinthos - 35th AIAA Applied Aerodynamics …, 2017 - arc.aiaa.org
HE Blended Wing Body (BWB) concept has been developed in order to serve as a novel
platform for high-speed subsonic commercial airliners. Initially conceived by a group of …

Multi-objective aerodynamic optimization design of variable camber leading and trailing edge of airfoil

N Bao, Y Peng, H Feng, C Yang - Proceedings of the …, 2022 - journals.sagepub.com
Variable camber is an effective method for improving the flight efficiency of large aircraft, and
has attracted the attention of researchers. This work focused on the optimization of a …

Study on riblet drag reduction considering the effect of sweep angle

Y Zhang, Y Yin - Energies, 2019 - mdpi.com
This study computationally evaluates the riblet drag reduction effect considering the effect of
sweep angle. An implicit large eddy simulation is performed on a channel flow and an …