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Varun-Kumar Yeachana

Ph.D. Student

yeachana@insa-toulouse.fr

 

Communication avec actes dans un congrès international ou national

[ACT1]V. Yeachana, D. Fratantonio, M. Rojas-cárdenas, C. Barrot and S. Colin. Preliminary investigations on temperature dependency of acetone vapor luminescence for molecular tagging thermometry. Proceedings of 2nd International MIGRATE Workshop, Sofia, Bulgaria p.MIGRATE-153514 2017
[ACT2]D. Fratantonio, V. Yeachana, M. Rojas-cárdenas, C. Barrot and S. Colin. Acetone and diacetyl phosphorescence at low pressures for molecular tagging velocimetry in confined rarefied gas flows. Proceedings of 2nd International MIGRATE Workshop, Sofia, Bulgaria p.MIGRATE-154814 2017
[ACT3]V. Yeachana, C. Barrot and S. Colin. Micro molecular tagging thermometry. Proceedings of 1st International MIGRATE Workshop, Strasbourg, France p.MIGRATE 13: 1-2 2016

Academic Profile

Research Interests: My research interests are primarily in the field of Fluids and Thermal Engineering, with emphasis on physical and experimental understanding of fluid behavior at micro-scale.

Doctoral thesis topic : Implementation of the molecular tagging technique to measure temperature fields of gas microflows

  •  This doctoral thesis is funded by the European Union’s Horizon 2020 research and innovation programme - Marie Sklodowska-Curie action 'MIniaturized Gas flow foR Applications with enhanced Thermal Effects - MIGRATE'

Supervisors: Prof. Stéphane Colin and Dr. Christine Barrot

Work Experience

Research Fellow (Jr.) - Oct 2014-Apr 2016, Microfluidics Lab, Mechanical Engineering department, IIT Bombay, India

  • Development of a Microfluidics Platform for Blood Plasma Separation with Application to Micro Total Analysis System
  • Three dimensional Hydrodynamic flow focusing in microchannels

Education                                                                                                                                              

PhD (2019 - expected) - Institut Clément Ader, INSA Toulouse, University of Toulouse, France

M.Tech (2012), Mechanical Engineering, specialization in Thermal and Fluids Engineering,  IIT Bombay, India

B.E (2010), Mechanical Engineering, CBIT, Osmania University, India 

Research publications: 

1. Tripathi, S., Kumar, Y.V.B.V., Agrawal, A., Prabhakar, A., & Joshi, S. S. (2016). Microdevice for plasma separation from whole human blood using bio-physical and geometrical effects. Scientific Reports, 6, 26749.
2. Tripathi, S., Kumar, Y.V.B.V., Agrawal, A., "Separation in Microfluidic devices: A case study on hydrodynamic blood plasma separation technique," Annals of INAE, Vol. XIII, pp. 276-286, 2016
3. Tripathi, S., Kumar, A., Kumar, Y.V.B.V., and Agrawal, A., "Three-dimensional hydrodynamic flow focusing of dye, particles and cells in a microfluidic device by employing two bends of opposite curvature,” Microfluidics and Nanofluidics (2015)
4. Tripathi, S., Kumar, Y.V.B.V., Prabhakar, A., Joshi, S.S., and Agrawal, A., “Passive Blood Plasma Separation at Micro-scale: A Review of Design Principles and Microdevices,” Journal of Micromechanics and Microengineering, 25 (2015) 083001
5. Tripathi, S., Kumar, Y.V.B.V., Prabhakar, A., Joshi, S.S., and Agrawal, A., "Performance Study of Microfluidic Device for Blood Plasma Separation-Designers Perspective,” Journal of Micromechanics and Microengineering, 25 (2015) 084004

6. Tripathi, S., Kumar, Y.V.B.V., Prabhakar, A., Tripathi, S., and Agrawal, A., "A novel, compact and efficient microchannel arrangement with multiple hydrodynamic effects for blood plasma separation,” Microfluidics and Nanofluidics, 2014, doi 10.1007/s10404-014-1488-6  

Patents:

  •  Tripathi, S., Kumar, Y.V.B.V., and Agrawal, A., “Micro device for separating plasma from human blood,” (US Patent application, filed in July 2016)
  •  Prabhakar, A., Kumar, Y.V.B.V., and Agrawal, A., "Micro device for separating blood plasma from whole human blood and method for making the same," (Indian Patent Application No. 2344/MUM/2013, Issued on 19 June 2015)

Conferences:

  • V. Yeachana, C. Barrot and S. Colin. Micro molecular tagging thermometry. Proceedings of 1st International MIGRATE Workshop, Strasbourg, France, p.MIGRATE 13: 1-2 2016
  • Prabhakar, A., Kumar, Y.V.B.V., Tripathi, S., Singh, S.G., and Agrawal, A., A novel, compact and efficient microfluidic device for blood plasma separation, paper 167, presented at 39th National Conference on Fluid Mechanics and Fluid Power, SVNIT, Surat, 13-15 December 2012.