Dr. Somasekhara Goud Sontti

Research Interest

• Computational fluid dynamics, Microfluidics, and Multiphase flows

• Complex fluid, Interfacial phenomena, and Transport in porous media

• Fluidization, Oil sand tailings, and Advanced flow reactors

• Carbon dioxide capture, PEM fuel cells, and Biodiesel synthesis

Degree

• Ph.D. in Chemical Engineering, Indian Institute of Technology Kharagpur, West Bengal, India, 2019

  • Thesis: CFD studies on bubble/droplet formation in microchannels

• M. Tech in Chemical Engineering, Indian Institute of Technology, Guwahati, Assam, India, 2013

  • Thesis: Gas-phase overall volumetric mass transfer coefficient for absorption of CO2 into aqueous blends of amines

• B. Tech in Chemical Engineering, Acharya Nagarjuna University, Andhra Pradesh, India, 2011

  • Thesis: Production of Allyl chloride

Research Experience

• Postdoctoral Fellow, Ecole Polytechnique de Montreal, Montreal, Quebec, Canada (November 2019- March 2020)

  • Collaboration with OCP company Morocco on Phosphoric acid production project 

  • Developed phase equilibrium data for Phosphate or through Fact sage simulation

  • Identified the optimized conditions and compositions for the lower smelting temperature 

  • Developed multiphase CFD models for smelting reactor

• Research Associate, Indian Institute of Technology Kharagpur, West Bengal India (April 2019-October 2019)

  • Developed multiphase CFD models for droplet formation using the CLSVOF method

  • CFD studies on various geometrical configurations and validation

  • Developed flow regimes maps and scaling laws to predict droplet size for various operating conditions

Publications 

1. M. Sadeghi, S.G. Sontti, E. Zheng, and X. Zhang. (2023). Computational fluid dynamics (CFD) simulation of three–phase non–Newtonian slurry flows in industrial horizontal pipelines. Chemical Engineering Science. [IF: 4.88].

2. S.G. Sontti, M. Sadeghi, K. Zhou, E. Zheng, and X. Zhang. (2023). Computational fluid dynamics investigation of bitumen residues in oil sands tailings transport in an industrial horizontal pipe. Physics of Fluids 35, 013340. [IF: 4.98].

3. S.G. Sontti, and A. Atta. (2023). Regulation of droplet size and flow regime by geometrical confinement in a microfluidic flow-focusing device. Physics of Fluids 35, 012010. [IF: 4.98].   

4. J. Meng, C. Kanike, S.G. Sontti, A. Atta, X. Tan, and X. Zhang.(2023). Asphaltene precipitation under controlled mixing conditions in a microchamber. Chemical Engineering Journal 451 (2023) 138873.  [IF: 16.74] 

5. K. Zhou, S.G. Sontti, J. Zhou, P. Esmaeili, and X. Zhang. (2022). Microbubble Enhanced Bitumen Separation from Tailing Slurries with High Solid Contents. Industrial & Engineering Chemistry Research. [IF: 4.32]

6.  J. Meng, S.G. Sontti, X. Tan, and X. Zhang.(2022). Review of microscale dynamics of dilution\textendash induced asphaltene precipitation under controlled mixing conditions Energy & Fuels. [IF: 4.65]

7. T. S. Dabodiya, S.G. Sontti, Z. Wei, Q. Lu, R. Billete, A. V. Murugan, and X. Zhang. (2022). Ultrasensitive Surface–Enhanced Raman Spectroscopy Detection by Porous Silver Supraparticles from Self–lubricating Drop Evaporation. Advanced Materials Interfaces. [IF: 6.38]

8. J. Meng, S.G. Sontti, M. Sadeghi, G. Arends, P. Nikrityuki, X. Tan, and X. Zhang.(2022). Size distribution of primary submicron particles and larger aggregates in solvent-induced asphaltene precipitation in a model oil system. Fuel 322 (2022) 124057. [IF: 6.60].

9. M. Sadeghi, S. Li, E. Zheng, S.G. Sontti, P. Esmaeili and X. Zhang. (2022). CFD simulation of turbulent non-Newtonian slurry flows in horizontal pipelines. Industrial & Engineering Chemistry Research 61, pp 5324-5339. [IF: 3.72].

10. S.G. Sontti and A. Atta. (2020). Numerical insights on controlled droplet formation in a microfluidic flow-focusing device. Industrial & Engineering Chemistry Research Industrial & Engineering Chemistry Research, 59 (9), pp 3702–3716 [IF:3.72]

11.  S.G. Sontti, P.G Pallewar, A. B Ghosh, and A. Atta. (2019). Understanding the influence of rheological properties of shear-Thinning liquids on segmented flow in a microchannel using CLSVOF based CFD model. The Canadian Journal of Chemical Engineering, 97 (5), pp 1208-1220. [IF: 2.00]

12.  S.G. Sontti and A. Atta. (2019). CFD study on Taylor bubble characteristics in Carreau-Yasuda shear-thinning liquids. The Canadian Journal of Chemical Engineering. 97 (2), pp 616-624. [IF: 2.00] (Special issue of WCCE-10)

13.  S.G. Sontti and A. Atta. (2018). Formation characteristics of Taylor bubbles in power-law liquids flowing through a microfluidic co-flow device. Journal of Industrial and Engineering Chemistry. 65, pp.82–94. [IF: 6.06]

14. S.G. Sontti and A. Atta. (2017). CFD analysis of microfluidic droplet formation in non–Newtonian liquid. Chemical Engineering Journal. 330, pp 245–261.[IF: 13.27]

15. S.G. Sontti and A. Atta. (2017). CFD analysis of Taylor bubble in a co-flow microchannel with Newtonian and non–Newtonian liquid. Industrial & Engineering Chemistry Research, 56 (25), pp 7401–7412. [IF: 3.72]

Book Chapters

• S.G. Sontti, and A. Atta. (2017). Numerical investigation of viscous effect on Taylor bubble formation in co-flow microchannel. Computer Aided Chemical Engineering Book Series, Edition: 40 Elsevier Publisher, pp.1201-1206 (DOI: 10.1016/B978-0-444-63965-3.50202-6)

Conference Proceedings

1. S.G. Sontti and A. Atta. (2019). Insights into the formation mechanism of oil-water emulsion in microfluidic flow-focusing devices. 14th Gas–Liquid and Gas–Liquid–Solid Reactor Engineering (GLS–14), May 30th–June 3rd, Guilin, China.

2. S.G. Sontti and A. Atta. (2018). Modeling and analysis of multiphase flow in flow-focusing microchannel. 25 th International Conference on Chemical Reaction Engineering (ISCRE-25), May 20 th -23rd, Florence, Italy.

3. S.G. Sontti and A. Atta. (2017). Numerical investigation of viscous effect on Taylor bubble formation in co–flow microchannel. 27th European Symposium on Computer Aided Process Engineering (ESCAPE–27), October 1st–5th, Barcelona, Spain. (Selected for the book chapter)

4. S.G. Sontti and A. Atta. (2017). CFD analysis of Taylor bubble formation in shear thinning liquids. 10th World Congress of Chemical Engineering (WCCE–10), October 1st–5th, Barcelona, Spain.( Invited article for the special issue of CJCE).

5. S.G. Sontti and A. Atta. (2017). Taylor bubble formation and breakup dynamics in shear thinning liquids. 13 th Gas–Liquid and Gas–Liquid–Solid Reactor Engineering (GLS–13), August 20st–23rd, Brussels, Belgium.

6. S.G. Sontti and A. Atta. (2017). CFD study on alternating droplet generation for liquid-liquid microreactor application. 13th Gas–Liquid and Gas–Liquid–Solid Reactor Engineering (GLS–13), August 20th–23rd, Brussels, Belgium.

7.  S.G. Sontti, and A. Atta. (2016). CFD study on droplet formation in non-Newtonian fluids flowing through T-Junction microchannel. 9th International Conference on Multiphase Flow (ICMF 2016), May 22nd –27th, Firenze, Italy.

Journal Review

1. Analytical Chemistry, IF: 6.04–American Chemical Society (ACS) Publications

2. Reviewer, Soft Matter , IF: 3.14- Royal Society of Chemistry

3.  Industrial & Engineering Chemistry Research, IF: 3.37–ACS Publications

4.  Chemical Engineering Research and Design, IF: 3.07–Elsevier

5.  International Communications in Heat and Mass Transfer, IF: 3.97–Elsevier

6.  Chemical Engineering Transactions (ISSN: 2283-9216)

7.  Fluids (ISSN 2311-5521)

8.  Processes (ISSN ISSN 2227-9717)

9. Journal of Mathematics (ISSN: 2314-4785) - Hindawi  publisher 

Professional Membership

1. Life Member of Indian Institute of Chemical Engineering (IIChE) ID: LAM-54298

2. Life Membership of the Indian Society for Heat and Mass Transfer (ISHMT) ID: LF-1443