“The best anchoring technology out there is an order or magnitude worse than the clam - most are two or three orders worse,” says Hosoi, whose group is presenting this work next week at the 62nd Annual Meeting of the American Physical Society's (APS) Division of Fluid Dynamics will take place from November 22-24 at the Minneapolis Convention Center.
Using relatively simple anatomy, the bivalve burrows into the bottom of its native mudflats at a rate of a centimeter per second. Hosoi's studies of the physics behind this remarkable ability have revealed that the digging is accomplished in two motions - a push upwards with its foot, which mixes the grains of solid into the liquid above, and a synchronized push down.
By borrowing this principle, Hosoi and graduate student Amos Winter have created a simple robot that is now being tested out in the salt water mudflats off of Cape Cod. It digs just as fast as the living clam and is "small, lightweight, and does not use a lot of energy," says Hosoi.
The robot is operated electronically via a tether and is made to open and close via pressured air from a scuba tank.The presentation, "The design, testing, and performance of RoboClam, a robot inspired by the burrowing mechanisms of Atlantic razor clam (Ensis directus)" by Amos Winter et al of MIT is at 11:35 a.m. on Sunday, November 22, 2009.
Currently, the Division of Fluid Dynamics Virtual Press Room contains information related to the 2008 meeting. In mid-November, the Virtual Press Room will be updated for this year's meeting, and another news release will be sent out at that time.ONSITE WORKSPACE FOR REPORTERS
This year, selected entries from the 27th Annual Gallery of Fluid Motion will be hosted as part of the Fluid Dynamics Virtual Press Room. In mid-November, when the Virtual Press Room is launched, another announcement will be sent out.ABOUT THE APS DIVISION OF FLUID DYNAMICS
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