This is a current list of my published scholarly work. You can also find my publications on Google Scholar or through my ORCiD profile.
Peer-Reviewed Articles
Year: 2023 2022 2021 2020 2019 2018 2015
Conference Presentations
Theses
Patents
Peer-Reviewed Articles
2023
Fluidically programmed wearable haptic textiles
B. Jumet, Z. A. Zook, A. Yousaf, A. Rajappan, D. Xu, T. Yap, N. Fino, Z. Liu, M. K. O’Malley, D. J. Preston
Device 1, 100059 (2023). DOI: 10.1016/j.device.2023.100059
Rapid in situ thermal decontamination of wearable composite textile materials
M. D. Bell, K. Ye, T. Yap, A. Rajappan, Z. Liu, Y. J. Tao, D. J. Preston
ACS Applied Materials and Interfaces 15, 44521–44532 (2023). DOI: 10.1021/acsami.3c09063
Mitigating contamination with nanostructure-enabled ultraclean storage
Z. Liu, T. Yap, A. Rajappan, R. A. Shveda, R. M. Rasheed, D. J. Preston
Nano Letters 23, 6315–6322 (2023). DOI: 10.1021/acs.nanolett.3c00626
2022
Programmable soft valves for digital and analog control
C. J. Decker, H. J. Jiang, M. P. Nemitz, S. E. Root, A. Rajappan, J. T. Alvarez, J. A. Tracz, L. Wille, D. J. Preston, G. M. Whitesides
PNAS 119, e2205922119 (2022). DOI: 10.1073/pnas.2205922119
Logic-enabled textiles
A. Rajappan, B. Jumet, R. A. Shveda, C. J. Decker, Z. Liu, T. Yap, V. Sanchez, D. J. Preston
PNAS 119, e2202118119 (2022). DOI: 10.1073/pnas.2202118119
(Featured in PNAS In This Issue, 119(35), 2022)
A wearable textile-based pneumatic energy harvesting system for assistive robotics
R. A. Shveda,* A. Rajappan,* T. Yap, Z. Liu, M. D. Bell, B. Jumet, V. Sanchez, D. J. Preston (* denotes equal contribution)
Science Advances 8, eabo2418 (2022). DOI: 10.1126/sciadv.abo2418
Necrobotics: biotic materials as ready-to-use-actuators
T. Yap, Z. Liu, A. Rajappan, T. J. Shimokusu, D. J. Preston
Advanced Science, 2201174 (2022). DOI: 10.1002/advs.202201174
Additively manufactured multiplexed inertial coalescence filters
R. M. Rasheed, L. J. Torres, A. Rajappan, M. M. Weislogel, D. J. Preston
Separation and Purification Technology 292, 120966 (2022). DOI: 10.1016/j.seppur.2022.120966
A textile-based approach to wearable haptic devices
B. Jumet, Z. A. Zook, D. Xu, N. Fino, A. Rajappan, M. W. Schara, J. Berning, N. Escobar, M. K. O’Malley, D. J. Preston
RoboSoft 2022, 741–746 (2022). DOI: 10.1109/RoboSoft54090.2022.9762149
Temporal evolution of surface contamination under ultra-high vacuum
Z. Liu, Y. Song, A. Rajappan, E. Wang, D. J. Preston
Langmuir 38, 1252–1258 (2022). DOI: 10.1021/acs.langmuir.1c03062
2021
Pneumatic soft robots take a step toward autonomy
A. Rajappan, B. Jumet, and D. J. Preston
Science Robotics 6, eabg6994 (2021). DOI: 10.1126/scirobotics.abg6994
2020
Cooperative drag reduction in turbulent flows using polymer additives and superhydrophobic walls
A. Rajappan and G. H. McKinley
Physical Review Fluids 5, 114601 (2020). DOI: 10.1103/PhysRevFluids.5.114601
Polymers and plastrons in parallel yield enhanced turbulent drag reduction
A. Rajappan and G. H. McKinley
Fluids 5, 197 (2020). DOI: 10.3390/fluids5040197
2019
Epidermal biopolysaccharides from plant seeds enable biodegradable turbulent drag reduction
A. Rajappan and G. H. McKinley
Scientific Reports 9, 18263 (2019). DOI: 10.1038/s41598-019-54521-3
Influence of textural statistics on drag reduction by scalable, randomly rough superhydrophobic surfaces in turbulent flow
A. Rajappan, K. Golovin, B. Tobelmann, V. Pillutla, Abhijeet, W. Choi, A. Tuteja, and G. H. McKinley
Physics of Fluids 31, 042107 (2019). DOI: 10.1063/1.5090514
2018
Plastron regeneration on submerged superhydrophobic surfaces using in situ gas generation by chemical reaction
D. Panchanathan, A. Rajappan, K. K. Varanasi, and G. H. McKinley
ACS Applied Materials and Interfaces 10, 33684 (2018). DOI: 10.1021/acsami.8b12471
2015
Elastocapillary powered manipulation of liquid plug in microchannels
D. George, A. Rajappan, and A. K. Sen
Applied Physics Letters 107, 261601 (2015). DOI: 10.1063/1.4939116
Capillary flow enhancement in rectangular polymer micro-channels with a deformable wall
A. Rajappan and A. K. Sen
Physical Review E 92, 013024 (2015). DOI: 10.1103/PhysRevE.92.013024
Conference Presentations
A compact microporous foam resistor for soft pneumatic logic circuits
A. Rajappan and Daniel J. Preston
2nd Conference on Micro Flow and Interfacial Phenomena (μFIP), Irvine, CA (2022).
Turbulent drag reduction using biopolymers and bio-inspired superhydrophobic surfaces
A. Rajappan and G. H. McKinley
72nd Annual Meeting of the APS Division of Fluid Dynamics, Seattle, WA (2019).
Plant-sourced polysaccharides for turbulent drag reduction
A. Rajappan and G. H. McKinley
APS March Meeting, Boston, MA (2019).
Plant sourced biopolymers for turbulent drag reduction
A. Rajappan and G. H. McKinley
90th Annual Meeting of the Society of Rheology, Houston, TX (2018).
Superhydrophobic and polymer drag reduction in turbulent Taylor-Couette flow
A. Rajappan and G. H. McKinley
70th Annual Meeting of the APS Division of Fluid Dynamics, Denver, CO (2017).
Elastocapillary flow in deformable PDMS microchannels
A. K. Sen and A. Rajappan
19th International Conference on Miniaturized Systems for Chemistry and Life Sciences (μTAS), Gyeongju, South Korea (2015).
Theses
Polymers and Plastrons: Active and Passive Drag Reduction in Wall-Bounded Turbulent Flows
Doctoral thesis, supervised by Gareth H. McKinley
Doctoral committee: Irmgard Bischofberger, Patrick S. Doyle
Massachusetts Institute of Technology, Cambridge, MA (2020). URI: 1721.1/131007
Skin Friction Drag Reduction in Turbulent Flows Using Superhydrophobic Surfaces
Master’s thesis, supervised by Gareth H. McKinley
Massachusetts Institute of Technology, Cambridge, MA (2017). URI: 1721.1/113959
Elastocapillary Flow in Polydimethylsiloxane Microchannels
Bachelor’s thesis, supervised by Ashis Kumar Sen
Indian Institute of Technology Madras, Chennai, TN, India (2015).
Patents
Microfluidic device for enhancing capillary-driven flow in microchannels
A. K. Sen and A. Rajappan
Indian Patent 366293. Filed 27 Feb 2015, published 31 Aug 2016, and granted 7 May 2021.