NARSIMHAN SOFT MATTER RESEARCH GROUP
Purdue Chemical Engineering
(765) 494-4281 (OFFICE)
PUBLISHED WORK
2024
44. V. Anand, V. Narsimhan, "Sedimentation of spheroids in Newtonian fluids with spatially varying viscosity", Journal of Fluid Mechanics 983, A28 (2024) [link]
43. N. Singh, V. Narsimhan, "Effect of Droplet Viscosity Ratio and Surfactant Adsorption on the Coalescence of Droplets with Interfacial Viscosity" Fluids, 9(2) (2024) [link]
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Invited article for the special issue “Non-Newtonian Flow: Interfacial and Bulk Phenomena”
42. A. Venkatesh, A. Bhargava, V. Narsimhan, "Linear stability of cylindrical, multicomponent vesicles" arXiv:2402.19297 (2024) [link]
41. I.S. Wheeler, V. Narsimhan, AA Alexeenko, "Rarefied porous flow in lyophilization: Review and open questions" AIP Conference Proceedings 2996, 110002 (2024) [link]
2023
40. N. Singh, V. Narsimhan, "Impact of surface rheology on droplet coalescence in uniaxial compressional flow", Physical Review Fluids 8, 083602, (2023) [link]
39. V. Anand, V. Narsimhan, "Dynamics of spheroids in pressure driven flows of shear thinning fluids.", Physical Review Fluids 8 (11) 113302 (2023) [link]
38. K. Yoon, V. Narsimhan, "Secondary drying: Challenges and considerations", Principles and Practices of Lyophilization in Product Development and Manufacturing, pg. 219-242 , Springer International Publishing (2023) (Part of the book series: AAPS Advances in the Pharmaceutical Sciences Series) [link]
37. G. Narsimhan, G.P. Desam, J. Li, V. Narsimhan , "Swelling of starch suspensions" US Patent 11,591,413 [link]
36. K. Yoon, V. Narsimhan, "Comparison of vial heat transfer during the primary and secondary drying stages of freeze-drying process", International Journal of Pharmaceutics, 635,122746 (2023) [link]
35. C. Tai, A. Ahmadzadegan, A. Ardekani, V. Narsimhan, "A forward reconstruction, holographic method to overcome the lens effect during 3D detection of semi-transparent, non-spherical particles", Soft Matter, 19 (1), 115-127(2023) [link]
2022
34. A. Venkatesh, V. Anand and V. Narsimhan, "Peeling of linearly elastic sheets using complex fluids at low Reynolds numbers", Journal of Non-Newtonian Fluid Mechanics(2022),309, 104916 [link]
33. N. Singh and V. Narsimhan, "Numerical investigation of the effect of surface viscosity on droplet breakup and relaxation under axisymmetric extensional flow", Journal of Fluid Mechanics,946, pp A24 (2022) [link]
32. C. Tai and V. Narsimhan, "Experimental and theoretical studies of cross-stream migration of non-spherical particles in a quadratic flow of viscoelastic fluid", Soft Matter, Issue 24, pp 4495 to 4644 (2022), [link]
31. S. Wang, A. Venkatesh, D. Ramkrishna, V. Narsimhan, "Brownian bridges for stochastic chemical processes—An approximation method based on the asymptotic behavior of the backward Fokker–Planck equation", Journal of Chemical Physics, 156, pp 184108 (2022), [link]
30. F. Mohajerani, W.R. Clark, C. Ronco, V. Narsimhan, "Mass Transport in High-Flux Hemodialysis: Application of Engineering Principles to Clinical Prescription", Clinical Journal of the American Society of Nephrology, 17 (5) 749-756 (2022). [link]
2021
29. C. Lin, S. Wang, V. Narsimhan and S. Kim, "Surface discretization considerations for the boundary-element method applied to three-dimensional ellipsoidal particles in Stokes flow", Physics of Fluids 33, 113106 (2021). [link]
28. K. Yoon and V. Narsimhan, "Understanding heat transfer during the secondary drying stage of freeze drying: current practice and knowledge gaps", Journal of Pharmaceutical Sciences, (2021). [link]
27. C. Lin, D. Kumar, C. M. Richter, S. Wang, C. M. Schroeder and V. Narsimhan, “Vesicle dynamics in large amplitude oscillatory extensional flow”, Journal of Fluid Mechanics, 929, pp A43, (2021). [link]
26. N. Singh and V. Narsimhan, "Impact of surface viscosity on the stability of a droplet translating through a stagnant fluid", Journal of Fluid Mechanics, 927, pp A44, (2021). [link]
25. G.P. Desam, N.-L. Dehghani, G. Narsimhan and V. Narsimhan, "Characterization of storage modulus of starch suspensions during the initial stages of pasting using Stokesian dynamics simulations", Food Hydrocolloids, 121, 107010, (2021). [link] [pdf]
24. J. Li, G.P. Desam, V. Narsimhan and G. Narsimhan, "Methodology to predict the time-dependent storage modulus of starch suspensions during heating", Food Hydrocolloids, 113, 106463, (2021). [link] [pdf]
2020
23. S. Wang, C. Tai, and V. Narsimhan. "Dynamics of spheroids in an unbound quadratic flow of a general second-order fluid". Physics of Fluids, 32, 113106, (2020). [link] [pdf]
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Editor's choice for invited issue "Contributions from Early Career Researchers 2020", which highlights up and coming researchers in the fluid mechanics profession
22. C. Tai, S. Wang, and V. Narsimhan. "Cross-stream migration of non-spherical particles in second-order fluid flows: effect of flow profiles," AIChE Journal, accepted, (2020). [link] [pdf]
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Invited article for Futures 2020 Issue highlighting young investigators in the Chemical Engineering profession
21. S. Wang, D. Ramkrishna, and V. Narsimhan. "Exact sampling of polymer conformations using Brownian bridges”, Journal of Chemical Physics, 153, 034901, (2020) [link] [pdf]
20. N. Singh and V. Narsimhan. "Deformation and burst of a liquid droplet with viscous surface moduli in a linear flow field". Physical Review Fluids, 5 (6), 063601, (2020). [link] [pdf]
19. C. Tai, S. Wang, and V. Narsimhan. "Cross-stream migration of non-spherical particles in a second-order fluid - theories of particle dynamics in arbitrary quadratic flows". Journal of Fluid Mechanics, 895, pp A6, (2020). [link] [pdf]
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Minor corrections to manuscript [pdf]
2019
18. C. Lin and V. Narsimhan. "Shape stability of deflated vesicles in general linear flows", Physical Review Fluids, 4, 123606, (2019), [link] [pdf]
17. W.R. Clark, N.-L. Dehghani, V. Narsimhan, and C. Ronco. “Uremic Toxins and Their Relation to Dialysis Efficacy”, Blood Purification, 48, 299–314, (2019). [link] [pdf]
16. N.-L. Dehghani and V. Narsimhan. "The unsteady drag of a translating spherical drop with a viscoelastic membrane at small Reynolds number". Journal of Non-Newtonian Fluid Mechanics, 269, 82-87, (2019). [link] [pdf]
Invited article from Banff Center for Physics workshop
15. V. Narsimhan. "Shape and rheology of droplets with viscous surface moduli." Journal of Fluid Mechanics, 862, 385-420, (2019). [link] [pdf]
2018
14. V. Narsimhan. "The effect of surface viscosity on the translational speed of droplets." Physics of Fluids, 30, 081703, (2018). [link] [pdf]
13. B.W. Soh, V. Narsimhan, A.R. Klotz, and P.S. Doyle. "Knots modify the coil-stretch transition in linear DNA polymers" Soft Matter, 14, 1689-1698. (2018). [link] [pdf]
2017
12. V. Narsimhan, A.R. Klotz, and P.S. Doyle. “Steady-state and transient behavior of knotted chains in extensional fields”. ACS Macro Letters, 6, 1285-1289, (2017). [link] [pdf]
11. A.R. Klotz, V. Narsimhan, B.W. Soh, and P.S. Doyle. “Dynamics of DNA Knots During Chain Relaxation”. Macromolecules, 50, 4074-4082, (2017). [link] [pdf]
2016
10. A. Gupta, V. Narsimhan, T.A. Hatton, and P.S. Doyle. “Kinetics of change in droplet size during nanoemulsion formation” Langmuir, 32, 11551-11559, (2016). [link] [pdf]
9. V. Narsimhan, C.B. Renner, and P.S. Doyle. “Translocation dynamics of knotted polymers under a constant or periodic external field” Soft Matter, 12, 5041-5049, (2016). [link] [pdf]
8. J.B. Dahl, V. Narsimhan, B. Gouveia, S. Kumar, E.S.G. Shaqfeh, and S.J. Muller. “Experimental observation of the asymmetric instability of intermediate-reduced-volume vesicles in extensional flow ” Soft Matter, 12, 3787-3796 (2016). [link] [pdf]
7. V. Narsimhan*, C.B. Renner*, and P.S. Doyle. “Jamming of knots along a tensioned chain.” ACS Macro Letters, 5, 123-127, (2016). [link] [pdf]
2015
6. V. Narsimhan*, A.P. Spann*, and E.S.G. Shaqfeh. “Pearling, wrinkling, and buckling of vesicles in elongational flows.” Journal of Fluid Mechanics, 777, 1-26, (2015). [link] [pdf]
2014
5. V. Narsimhan, A.P. Spann, and E. S. G. Shaqfeh. “The mechanism of shape instability for a vesicle in extensional flow" Journal of Fluid Mechanics, 750, 144-190, (2014). [link] [pdf]
4. P. Shah, S. Fitzgibbon, V. Narsimhan, and E.S.G. Shaqfeh “Singular perturbation theory for predicting the extravasation of Brownian particles." Journal of Engineering Mathematics, 84, 155-171, (2014). [link] [pdf]
2013
3. V. Narsimhan, H. Zhao, and E.S.G. Shaqfeh, “Coarse-grained theory to predict the concentration distribution of red blood cells in wall-bounded Couette flow," Physics of Fluids. 25, 061901, (2013). [link] [pdf]
2012
2. H. Zhao, E.S.G. Shaqfeh, and V. Narsimhan, “Shear-induced particle migration and margination in a cellular suspension," Physics of Fluids, 24, 011902 (2012), [link] [pdf]
Featured cover article of journal