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Deformations of free jets.

Paruchuri, Srinivas.

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Deformations of free jets.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Deformations of free jets./
作者:	Paruchuri, Srinivas.
面頁冊數:	91 p.
附註:	Adviser: Michael P. Brenner.
Contained By:	Dissertation Abstracts International68-05B.
標題:	Physics, Condensed Matter. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3265200
ISBN:	9780549040194

Deformations of free jets.
Paruchuri, Srinivas.

Deformations of free jets. - 91 p.

Adviser: Michael P. Brenner.

Thesis (Ph.D.)--Harvard University, 2007.

Finally we summarize an algorithm developed to simulate droplet impact on a smooth surface.

ISBN: 9780549040194Subjects--Topical Terms:

1018743
Physics, Condensed Matter.

Deformations of free jets.
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020 $a 9780549040194
035 $a (UMI)AAI3265200
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100 1 $a Paruchuri, Srinivas. $3 1269459
245 1 0 $a Deformations of free jets.
300 $a 91 p.
500 $a Adviser: Michael P. Brenner.
500 $a Source: Dissertation Abstracts International, Volume: 68-05, Section: B, page: 3124.
502 $a Thesis (Ph.D.)--Harvard University, 2007.
520 $a Finally we summarize an algorithm developed to simulate droplet impact on a smooth surface.
520 $a This thesis studies three different problems.
520 $a First we demonstrate that a flowing liquid jet can be controllably split into two separate subfilaments through the applications of a sufficiently strong tangential stress to the surface of the jet. In contrast, normal stresses can never split a liquid jet. We apply these results to observations of uncontrolled splitting of jets in electric fields. The experimental realization of controllable jet splitting would provide an entirely novel route for producing small polymeric fibers.
520 $a In the second chapter we present an analytical model for the bending of liquid jets and sheets from temperature gradients, as recently observed by Chwalek et al. [Phys. Fluids, 14, L37 (2002)]. The bending arises from a local couple caused by Marangoni forces. The dependence of the bending angle on experimental parameters is presented, in qualitative agreement with reported experiments. The methodology gives a simple framework for understanding the mechanisms for jet and sheet bending.
520 $a In chapter 4 we address the discrepancy between hydrodynamic theory of liquid jets, and the snap-off of narrow liquid jets observed in molecular dynamics (MD) simulations [23]. This has been previously attributed to the significant role of thermal fluctuations in nanofluidic systems. We argue that hydrodynamic description of such systems should include corrections to the Laplace pressure which result from the failure of the sharp interface assumption when the jet diameter becomes small enough. We show that this effect can in principle give rise to jet shapes similar to those observed in MD simulations, even when thermal fluctuations are completely neglected.
590 $a School code: 0084.
650 4 $a Physics, Condensed Matter. $3 1018743
650 4 $a Physics, Fluid and Plasma. $3 1018402
690 $a 0611
690 $a 0759
710 2 $a Harvard University. $3 528741
773 0 $t Dissertation Abstracts International $g 68-05B.
790 $a 0084
790 1 0 $a Brenner, Michael P., $e advisor
791 $a Ph.D.
792 $a 2007
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