微液滴对真菌孢子的表面张力推进
Surface tension propulsion of fungal spores by use of microdroplets
摘要:
许多食用蘑菇利用表面张力在几微秒内以高速(约1 m/s)喷射出它们的孢子(大小约10微米)。基本上,液滴与孢子的聚结产生了喷射孢子所需的动量。我们在\cite{noblin2}中详细介绍了该机制。在这篇文章中,我们提供了一些细节的高速电影(高达250000 fps)蘑菇孢子弹射附在这个意见书。这段视频是作为2010年流体运动画廊的一部分提交的,该画廊展示了流体动力学视频。
英文摘要:
Many edible mushrooms eject their spores (about 10 microns in size) at high speed (about 1 m/s) using surface tension forces in a few microseconds. Basically the coalescence of a droplet with the spore generates the necessary momentum to eject the spore. We have detailed this mechanism in \cite{noblin2}. In this article, we give some details about the high speed movies (up to 250000 fps) of mushrooms' spores ejection attached to this submission. This video was submitted as part of the Gallery of Fluid Motion 2010 which is showcase of fluid dynamics videos.
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