scholarly journals On the cross-streamline lift of microswimmers in viscoelastic flows

Soft Matter ◽  
2021 ◽  
Author(s):  
Akash Choudhary ◽  
Holger Stark
Keyword(s):  
Viscoelastic Fluid ◽  
Fluid Model ◽  
Second Order ◽  
The Self ◽  
Current Work ◽  
Viscoelastic Flows ◽  
The Cross ◽  
Pressure Driven Flow ◽  
Pressure Driven

The current work studies the dynamics of a microswimmer in the pressure-driven flow of a weakly viscoelastic fluid. Employing the second-order fluid model, we show that the self-propelling swimmer experiences...

On the Convergence of the Calculated Spin-spin Coupling Constant of HD

1979 ◽  
Vol 34 (10) ◽  
pp. 1158-1159
Author(s):  
H. P. Trivedi
Keyword(s):  
Cross Coupling ◽  
Second Order ◽  
The Self ◽  
Spin Coupling ◽  
Coupling Constant ◽  
Spin Coupling Constant ◽  
Coupling Energy ◽  
Order Energy ◽  
The Cross ◽  
Spin Spin Coupling

Abstract It is shown that the concurrence of the results obtained by varying the self coupling energy, the total second order energy and the cross coupling energy independently can be readily accomplished. In addition, it is possible to arrange to obtain any pre-specified value for the coupling constant. On this basis it is suggested that it might be dangerous to construe the concurrence of calculated results as an indication of convergence in practice.

Equivalence of the Variational Criteria in the Calculation of the Nuclear Spin-Spin Coupling Constant of HD

1980 ◽  
Vol 35 (10) ◽  
pp. 1108-1109
Author(s):  
H. P. Trivedi
Keyword(s):  
Nuclear Spin ◽  
Cross Coupling ◽  
Second Order ◽  
The Self ◽  
Spin Coupling ◽  
Coupling Constant ◽  
Spin Coupling Constant ◽  
Order Energy ◽  
The Cross ◽  
Spin Spin Coupling

Abstract Using symmetry arguments it is shown that the variation of the self coupling, the cross coupling and the total second order energy are equivalent criteria for the calculation of the nuclear spin-spin coupling constant of HD and larger symmetric molecules. A previously given condition guaranteeing this equivalence is shown to be unnecessarily restrictive.

Complete Stereocontrol in the Synthesis of Harmonine and Novel Analogues Facilitated by a Grubbs Z-Selective Cross-Metathesis Catalyst

2015 ◽  
Vol 68 (12) ◽  
pp. 1815 ◽  
Author(s):  
Steven-Alan G. Abel ◽  
Wesley J. Olivier ◽  
Richard L. Pederson ◽  
Alex C. Bissember ◽  
Jason A. Smith
Keyword(s):  
The Self ◽  
Metathesis Reaction ◽  
Cross Metathesis ◽  
Metathesis Catalyst ◽  
The Cross

(R)-Harmonine was synthesised in 15 % overall yield via a six-step sequence exploiting a Z-selective cross-metathesis reaction as its centrepiece. By this strategy, the cis-olefin present in the target could be installed exclusively. The use of an alcohol and an ester as the amine precursors was crucial for isolating the cross-metathesis product from the self-metathesis products. This method was also used to prepare two novel analogues of harmonine.

scholarly journals A second-order multi-fluid model for evaporating sprays

2005 ◽  
Vol 39 (5) ◽  
pp. 931-963 ◽  
Author(s):  
Guillaume Dufour ◽  
Philippe Villedieu
Keyword(s):  
Fluid Model ◽  
Second Order

scholarly journals Molecular dynamics study of pressure-driven water transport through graphene bilayers

2016 ◽  
Vol 18 (3) ◽  
pp. 1886-1896 ◽  
Author(s):  
Bo Liu ◽  
Renbing Wu ◽  
Julia A. Baimova ◽  
Hong Wu ◽  
Adrian Wing-Keung Law ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
High Pressure ◽  
Water Transport ◽  
Layered Structures ◽  
Water Molecules ◽  
Flow Rates ◽  
Ultra High Pressure ◽  
Pressure Driven Flow ◽  
Pressure Driven

Water molecules form layered structures inside graphene bilayers and ultra-high pressure-driven flow rates can be observed.

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