A fundamental propulsive mechanism employed by swimmers and flyers throughout the animal kingdom
Journal of Experimental Biology, ISSN: 1477-9145, Vol: 226, Issue: 11
2023
- 2Citations
- 5Usage
- 20Captures
- 1Mentions
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Metrics Details
- Citations2
- Citation Indexes2
- Usage5
- Abstract Views5
- Captures20
- Readers20
- 20
- Mentions1
- News Mentions1
- News1
Most Recent News
New Findings Reported from Providence Describe Advances in Experimental Biology (A fundamental propulsive mechanism employed by swimmers and flyers throughout the animal kingdom)
2023 JUN 26 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx Life Science Daily -- New research on experimental biology is the subject
Review Description
Even casual observations of a crow in flight or a shark swimming demonstrate that animal propulsive structures bend in patterned sequences during movement. Detailed engineering studies using controlled models in combination with analysis of flows left in the wakes of moving animals or objects have largely confirmed that flexibility can confer speed and efficiency advantages. These studies have generally focused on the material properties of propulsive structures (propulsors). However, recent developments provide a different perspective on the operation of nature’s flexible propulsors, which we consider in this Commentary. First, we discuss how comparative animal mechanics have demonstrated that natural propulsors constructed with very different material properties bend with remarkably similar kinematic patterns. This suggests that ordering principles beyond basic material properties govern natural propulsor bending. Second, we consider advances in hydrodynamic measurements demonstrating suction forces that dramatically enhance overall thrust produced by natural bending patterns. This is a previously unrecognized source of thrust production at bending surfaces that may dominate total thrust production. Together, these advances provide a new mechanistic perspective on bending by animal propulsors operating in fluids – either water or air. This shift in perspective offers new opportunities for understanding animal motion as well as new avenues for investigation into engineered designs of vehicles operating in fluids.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85161633205&origin=inward; http://dx.doi.org/10.1242/jeb.245346; http://www.ncbi.nlm.nih.gov/pubmed/37306010; https://journals.biologists.com/jeb/article/226/11/jeb245346/316662/A-fundamental-propulsive-mechanism-employed-by; https://docs.rwu.edu/fcas_fp/976; https://docs.rwu.edu/cgi/viewcontent.cgi?article=1985&context=fcas_fp; https://dx.doi.org/10.1242/jeb.245346; https://journals.biologists.com/jeb/article-abstract/226/11/jeb245346/316662/A-fundamental-propulsive-mechanism-employed-by?redirectedFrom=fulltext
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