1. Microscale flows

2. Bio-Microfluidics

3. MEMS.

1. Microfluidics and MEMS

2. Convective heat transfer and Mixing

3. Mobile Microrobots for drug delivery

4. Bio-Microfluidics and Lab-on-Chip

5. Droplet Microfluidics and Interfacial Phenomena

6. Circulating tumour cells sorting technologies.

1. Our microfluidic device for blood plasma separation selected for Exhibition on Innovations in Medical Science and Bio-Technology on March 2017 at Rashtrapati Bhavan, New Delhi.

2. University Rank Holder in B.E - Rank 12 (Distinction) Anna University.

3. Secured GATE score 553 and 554 in GATE 2011 and GATE 2012

Teaching

1. July 2018 - July 2019 - Assistant Professor - Shiv Nadar University, Dadri, Greater Noida

1. Fluid Mechanics

2. Engineering Mechanics

3. Engineering Thermodynamics.

1. Published After Joining IIITDM

3. Jayakumar, Sujith, and Karthick Subramani. "An investigation of acoustic relocation phenomenon in a microchannel under acoustic fields." Physics of Fluids 34.9 (2022): 092002.

5. Rajendran, Varun Kumar, Jefin Solomon, and Karthick Subramani. "Heat transfer and flow patterns in a minichannel with various acoustic standing wave configurations and thermal boundary conditions." International Journal of Heat and Mass Transfer 194 (2022): 122923.

7. Rajendran, Varun Kumar, Sujith Jayakumar, Mohammed Azharudeen, and Karthick Subramani. "Theory of nonlinear acoustic forces acting on inhomogeneous fluids." Journal of Fluid Mechanics 940 (2022).

9. Varun Kumar, Charish Pothuri, Mohammed Azharuddin, Karthick Subramani* (2021) "Heat transfer mechanism driven by acoustic body force under acoustic fields" Physical Review Fluids (American Physical Society) 6, 073501.

11. Charish Pothuri, Mohammed Azharuddin, Karthick Subramani* (2019) "Rapid mixing in microchannel using standing bulk acoustic waves" - Physics of Fluids (American Institute of Physics) - 31, 122001 (2019); https://doi.org/10.1063/1.5126259

13. Journals Published During Ph.D

15. Karthick S, and A. K. Sen. (2018) “Acoustic impedance based size-independent isolation of circulating tumour cells from blood using acoustophoresis”, Lab on a Chip (Royal Society of chemistry) 18.24 (2018): 3802-3813. Impact factor- 6.

16. Karthick S, A. K. Sen. (2018) “Improved understanding of acoustophoresis and development of an acoustofluidic device for blood plasma separation” Physical Review Applied. 10.3 (2018): 034037. Impact factor- 4.8.

17. Karthick S, A. K. Sen. (2017) “Improved understanding of the acoustophoretic focusing of dense suspensions in a microchannel” Physical Review E 96:5, 052606. Impact factor- 2.3.

18. Karthick S, A. K. Sen. (2016) “Role of shear induced diffusion in acoustophoretic focusing of dense suspensions” Applied Physics Letters 109, 014101. Impact factor-3.4.

19. Srivatsava A, Karthick S, K.S. Jayaprakash, and A. K. Sen (2017) “Droplet de-emulsification using ultra-low voltage based electro-coalescence” Langmuir. Impact factor-3.8.

20. Hemachandran E, Karthick S, Laurell T, A.K Sen, “Relocation of co-flowing immiscible liquids under acoustic field in a microchannel” Europhysics Letters, (2019) 125(5) 54002. Impact factor-1.97.

1. Karthick S and A. K. Sen,“Continuum modelling of acoustophoretic focusing of dense suspension in microchannels” Flow 17, 2-5 July 2017 , Paris, France.

2. Srivatsava A, Karthick S, K.S. Jayaprakash, and A. K. Sen (2017) “Droplet demulsification using ultra-low voltage based electrocoalescence” Flow 17, 2-5 July 2017, Paris, France.

3. Karthick S and A. K. Sen,“Continuum modelling of acoustophoretic focusing of whole blood in microchannels” IHMTC, 27-31 July 2017 , BITS Pilani-Hyderabad campus.

4. Hemachandran E, Karthick S, Laurell T, A.K Sen, “Dynamics of immiscible fluids under acoustic fields” FMFP 2018 IIT Bombay.

1. Karthick S, Sneha M and A. K. Sen 2016. Method for blood plasma separation based on acousto-capillary and asymmetric capillary flow. App. No. 201641015681. Filed on May 5, 2016.

2. A.K. Sen et al., Micro-FACS for detection and isolation of target cells App no: 201741012180. Filled on Apr 5, 2017.