[HTML][HTML] Investigation on flow structure and aerodynamic characteristics over an airfoil at low Reynolds number—A review

T Xia, H Dong, L Yang, S Liu, Z Jin - AIP Advances, 2021 - pubs.aip.org
This Review summarizes the progress in research on the flow structure and aerodynamic
characteristics of an airfoil at a low Reynolds number encountered by near-space low-speed …

Mars science helicopter conceptual design

W Johnson, S Withrow-Maser, L Young, C Malpica… - 2020 - ntrs.nasa.gov
Robotic planetary aerial vehicles increase the range of terrain that can be examined,
compared to traditional landers and rovers, and have more near-surface capability than …

Aerodynamic optimization and analysis of quadrotor blades operating in the Martian atmosphere

MC Ruiz, D D'Ambrosio - Aerospace Science and Technology, 2023 - Elsevier
The design of unmanned aerial systems (UAS) for flight in the Martian atmosphere is a
relevant and current topic. The successful flight of the Ingenuity helicopter recently proved its …

Direct numerical simulation of flow over a triangular airfoil under Martian conditions

L Caros, O Buxton, T Shigeta, T Nagata, T Nonomura… - AIAA journal, 2022 - arc.aiaa.org
Martian conditions present various challenges when designing rotorcraft. Specifically, the
thin atmosphere and low sound speed require Martian rotor blades to operate in a low …

Conceptual design and aerodynamic analysis of a Mars octocopter for sample collection

K Zhu, Q Quan, K Wang, D Tang, B Tang, Y Dong… - Acta Astronautica, 2023 - Elsevier
Mars sampling is of great significance for the comprehensive study of Martian geological
evolution. The successful demonstration of the Ingenuity Helicopter reveals the potential of …

On genetic algorithm and artificial neural network combined optimization for a Mars rotorcraft blade

D Tang, B Tang, W Shen, K Zhu, Q Quan, Z Deng - Acta Astronautica, 2023 - Elsevier
The Mars rotorcraft can help the Mars rover to optimize the driving route and explore more
efficiently. However, the thin and cold Martian atmosphere can heavily increase the …

Airfoil optimization for rotors operating in the ultra-low Reynolds number regime

M Carreño Ruiz, L Renzulli, D D'Ambrosio - Physics of Fluids, 2023 - pubs.aip.org
Ultra-low Reynolds number aerodynamics has gained significant attention in recent times,
primarily due to the proliferation of micro-aerial vehicles and their utilization in low-density …

Visualization of pressure and skin-friction fields on rotating blade under low-pressure conditions

T Nagata, H Sato, M Okochi, T Matsuyama, Y Sugioka… - AIAA journal, 2022 - arc.aiaa.org
Distributions of the pressure and mass transfer coefficient on rotating blades under low-
pressure (low-Reynolds-number) conditions were visualized, whereas the latter is closely …

Vortex flow aerodynamics behind a symmetric airfoil at low angles of attack and Reynolds numbers

DF Kurtulus - International Journal of Micro Air Vehicles, 2021 - journals.sagepub.com
The low Reynolds number aerodynamics is important to investigate for micro air vehicle
applications. The current paper covers numerical simulations to present the downstream …

Optimization of Triangular Airfoils for Martian Helicopters Using Direct Numerical Simulations

L Caros, O Buxton, P Vincent - AIAA Journal, 2023 - arc.aiaa.org
Mars has a lower atmospheric density than Earth, and the speed of sound is lower due to its
atmospheric composition and lower surface temperature. Consequently, Martian rotor …