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Flow visualization and force measurement of the clapping effect in bio-inspired flying robots
Miquel Balta1, Dipan Deb1, Haithem E Taha1
1Department of Mechanical and Aerospace Engineering, University of California, Irvine 5200 Engineering Hall, Irvine, CA 92697-2700, United States of America.
Bioinspiration & Biomimetics
|September 29, 2021
Summary
Wing clapping in bio-inspired flying robots significantly enhances thrust and efficiency. This study experimentally investigated flapping micro-air-vehicles (MAVs) to understand the physics behind this aerodynamic improvement.
Area of Science:
- Robotics and Bio-inspired Engineering
- Aerodynamics and Fluid Mechanics
Background:
- Bio-inspired flying robots, or micro-air-vehicles (MAVs), mimic insect flight through flapping wings.
- Understanding the aerodynamic principles of flapping flight is crucial for MAV performance enhancement.
Purpose of the Study:
- To experimentally investigate the aerodynamic characteristics of wing clapping in flapping micro-air-vehicles (MAVs).
- To quantify the effect of varying degrees of wing clapping on thrust generation and power consumption.
- To elucidate the underlying physics of clapping-induced aerodynamic enhancements through flow visualization.
Main Methods:
- Development of four flapping MAV models with distinct levels of wing clapping.
- Experimental testing of aerodynamic performance, measuring average thrust and power consumption across various flapping frequencies.
- Smoke flow visualization to observe aerodynamic phenomena during the flapping cycle.
Main Results:
- Wing clapping was found to enhance both the thrust produced and the overall efficiency of the MAVs.
- A clear correlation between the degree of wing clapping and the improvement in aerodynamic performance was observed.
- Flow visualization provided physical insights into the mechanisms driving the thrust enhancement.
Conclusions:
- Wing clapping is an effective strategy for improving the aerodynamic performance of flapping-wing micro-air-vehicles.
- The findings contribute to the design and optimization of bio-inspired flying robots for enhanced flight capabilities.
- Further research into the detailed fluid dynamics of wing clapping can lead to more efficient MAV designs.
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