डॉ. एच. त्यागी

himanshu.tyagi@iitrpr.ac.in

Dr. Himanshu Tyagi

Associate Professor

Office: 327, Satish Dhawan Block

Ph.D., Mechanical Engineering, Arizona State University, Tempe, USA, 2008

M.A.Sc, Mechanical Engineering, University of Windsor, Windsor, Canada, 2005

B.Tech, Mechanical Engineering, IIT Delhi, India, 2001

Broad Area: Thermal and Fluid Sciences

Specialization: Applications of Heat Transfer, Numerical methods

Research Areas: Bio-heat transfer, nanofluids, nanoscale heat transfer, clean and sustainable energy, solar energy, water desalination, energy storage, thermodynamics, thermal management and packaging of micro-electronic devices.

Biography

Dr. Tyagi received his Bachelor's degree in Mechanical Engineering from IIT-Delhi in 2001, Master's degree from University of Windsor (Canada) in 2005 and PhD from Arizona State University (USA) in 2008. He has worked in the Steam Turbine Design Group of Siemens Ltd. (in Germany and India) for more than 2 years as a Design Engineer and at the Thermal and Fluids Core Competency Lab in Intel Corp (in USA) as a Graduate Research Intern. He joined the Department of Mechanical Engineering at IIT Ropar in 2009 as an Assistant Professor, and has been working as Associate Professor since 2015.

During his doctoral studies, Dr. Tyagi studied the radiative and ignition properties of nanofluids. A nanofluid-based direct absorption solar collector (DAC) was developed and this work received the Best Paper Award at the ASME Energy Sustainability 2007 Conference in California, U.S.A. He has also studied the ignition properties of nanoparticle-laden diesel droplets. The publication based on this work has appeared in Nano-Letters and has been highlighted in Nature and Chemical & Engineering News.

Teaching Interests

Heat and Mass Transfer, Thermodynamics, Solar Thermal Energy, Fluids Mechanics, Water Desalination, Numerical Methods, Experimental Engineering

Work Experience

  • Associate Professor, Indian Institute of Technology Ropar, 2015-Present

  • Assistant Professor, Indian Institute of Technology Ropar, 2009-2015

  • Graduate Research Intern, Intel Corp, U.S.A, 2008

  • Design Executive, Siemens Ltd, India, 2001-03

Accomplishments and Honours

  • Recipient of the Prof. Y. V. N. Rao Best Paper Award for the paper titled "Numerical Study of Nanoparticle Injection in Tumors for Nanoparticle-assisted Hyperthermia", at the 8th International and 47th National Conference on Fluid Mechanics and Fluid Power (FMFP), IIT Guwahati, Assam, India, Dec 2020.

  • Among other awards, Dr. Tyagi has received Summer Undergraduate Research Award (SURA) at IIT-Delhi and the International Graduate Student Scholarship at University of Windsor, Canada. His research interests include thermo-fluids engineering, radiative and ignition properties of nanofluids, nanoscale heat transfer and its applications in energy harvesting.

  • We successfully hosted the Indo-US Workshop on Recent Advances in Micro/Nanoscale Heat Transfer and Applications in Clean Energy Technologies during Dec 21-22, 2013 at IIT Ropar. Link here .

  • Recipient of the International Travel Award awarded by the Department of Science and Technology (DST-SERB), Govt. of India, for attending ASME MNHMT Conference held at Singapore, Jan 2016.

  • Recipient of Indo-US Science and Technology Forum (IUSSTF) grant awarded for organizing an Indo-US Workshop on "Recent Advances in Micro/Nanoscale Heat Transfer and Applications in Clean Energy Technologies" at IIT Ropar during Dec 2013.

  • Recipient of Travel Fellowship awarded by Centre for International Co-operation in Science (CICS), for attending the ASME MNHMT Conference held at Hong Kong, China, Dec 2013.

  • Delivered as Guest of Honour the inaugural lecture on “Technology Advances in Sustainable Energy Applications” during the 'Short Term Training Programme on Solar Energy and its Applications' (STTP-SEA) at MANIT Bhopal, India, Jun 2013.

  • Recipient of the International Travel Award awarded by the Department of Science and Technology (DST), Govt. of India, for attending the ASME MNHMT Conference held at Atlanta, GA, USA, Mar 2012.

  • Recipient of the Best Paper Award for the paper titled "Predicted Efficiency of a Nanofluid-Based Direct Absroption Solar Receiver", awarded by ASME Solar Energy Division at Energy Sustainability 2007 Conference, Long Beach, CA, Jun 2007.

  • Recipient of Two Travel Grant Awards, awarded by the Division of Graduate Studies at Arizona State University for attending conferences in Jun 2007 and Nov 2008.

  • Recipient of 'International Graduate Student Scholarship' at University of Windsor, CANADA, Mar 2005.

  • Adjudicated 'Best Project of the year' for the work titled 'Design Conceptualisation in 3-D Environment', amongst 23 teams of graduate engineer trainees in SIEMENS LTD., INDIA, Aug 2002.

  • Recipient of Roll of Honour at Nilgiri House, I.I.T. Delhi, INDIA, 2001.

  • Recipient of Summer Undergraduate Research Award (SURA), I.I.T Delhi, INDIA, May 1999.

  • Ranked within the top 0.2% of the candidates, who appeared for the Joint Entrance Examination (JEE - 1997) conducted by the six I.I.Ts for entrance to the undergraduate B.Tech Programs, with an All India Rank (AIR) of 431.

  • Top Ranker (1st Position) in the State Level RMO (Regional Mathematical Olympiad), 1996, INDIA.

  • Recipient of the prestigious National Talent Search Examination (NTSE) Scholarship for the duration 1995-2001, being selected amongst the top 750 candidates throughout the country, INDIA.


Thesis Advisor and Supervision

Ph.D. 5 students (completed), 2 students (ongoing)

M.Tech. 6 student (completed), 4 students (ongoing)

B.Tech. (Projects) 26 students (completed)


Administrative Responsibilities / Services

  • Member of Resource Generation and Planning Committee (RGPC) at Department of Mechanical Engineering (2021-present).

  • Chairman, Institute Visitor Hostel (Guesthouse) Committee, IIT Ropar (2021-present).

  • Member of Senate at Indian Institute of Technology Ropar (2014-2021).

  • Associate Dean, Academics (UG) at Indian Institute of Technology Ropar (2015-2017).

  • Coordinator, UG Programme [Academics] at Indian Institute of Technology Ropar (2014-2015).

  • Faculty Advisor for 2019ME batch MTech students, IIT Ropar (2019-2021).

  • Center for Innovation and Business Incubation (CIBI) Governing Board member at Indian Institute of Technology Ropar (2013-2016).

  • Academic Committee for Undergraduate Studies (ACUGS) member at Indian Institute of Technology Ropar (2012-2017).

  • B.Tech Project (BTP) Coordinator for SMMEE for the year 2013-14 at Indian Institute of Technology Ropar.

  • Faculty Advisor for 2010ME batch students at Indian Institute of Technology Ropar (2010-2014).

  • Chairman of Air Conditioning and Refrigeration Committee at Indian Institute of Technology Ropar (2010-2014).

  • Faculty In-charge of Sports Activities at Indian Institute of Technology Ropar (2009-2014).

  • Member of several other institute and department level committees at Indian Institute of Technology Ropar.

Selected Publications/Patents

A more complete list, including conference publications, can be found at Google Scholar, Vidwan, Orcid, and ResearchGate

Pre-print versions of journal papers are available here.


Refereed Journal Papers (International)

[A34] Garg, K., Rathore, A., Yadav, R., Das, S. K., and Tyagi, H., 2022, "Thermodynamic Analysis of the Volumetric Absorption Solar Collector driven Direct Contact Membrane Distillation System", In Press ASME Journal of Thermal Science and Engineering Applications. (doi: https://doi.org/10.1115/1.4053833)

[A33] Garg, K., Das, S. K., and Tyagi, H., 2022, "Thermal Design of a Humidification-Dehumidification Desalination Cycle consisting of Packed-Bed Humidifier and Finned-Tube Dehumidifier", International Journal of Heat and Mass Transfer, Vol. 183, p. 122153. (doi: https://doi.org/10.1016/j.ijheatmasstransfer.2021.122153)

[A32] Kulkarni, V. V., Bhalla, V., Garg, K., and Tyagi, H., 2021, "Hybrid Nanoparticles-laden Fluid based Spiral Solar Collector: A Proof-of-Concept Experimental Study", Renewable Energy, Vol. 179, pp. 1360-1369. (doi: https://doi.org/10.1016/j.renene.2021.07.133)

[A31] Monga, D., Soni, S., Tyagi, H., and Taylor, R. A., 2020, "Optimization of Tumor Ablation Volume for Nanoparticle-mediated Thermal Therapy", International Journal of Thermal Sciences, Vol. 157, p. 106515. (doi: https://doi.org/10.1016/j.ijthermalsci.2020.106515)

[A30] Bhalla, V., Beejawat, S., Doshi, J., Khullar, V., Singh, H., and Tyagi, H., 2020, "Silicone Oil Envelope for Enhancing the Performance of Nanofluid-based Direct Absorption Solar Collectors", Renewable Energy, Vol. 145, pp. 2733-2740. (doi: https://doi.org/10.1016/j.renene.2019.08.024)

[A29] Li, Q., Beier, L.-J., Tan, J., Brown, C., Lian, B., Wang, Y., Dai, P., Li, T., Le Clech, P., Tyagi, H., Liu, X., Leslie, G., and Taylor, R. A., 2019, "An integrated, solar-driven membrane distillation system for water purification and energy generation", Applied Energy, Vol. 237, pp. 534-548. (doi: https://doi.org/10.1016/j.apenergy.2018.12.069)

[A28] Bhalla, V., Khullar, V., and Tyagi, H., 2019, "Investigation of Factors Influencing the Performance of Nanofluid-based Direct Absorption Solar Collector Using Taguchi Method", Journal of Thermal Analysis and Calorimetry, Vol. 135(2), pp. 1493-1505. (doi: https://doi.org/10.1007/s10973-018-7721-x)

[A27] Garg, K., Khullar, V., Das, S. K., and Tyagi, H., 2019, "Parametric Study of the Energy Efficiency of the HDH Desalination Unit Integrated with Nanofluid-based Solar Collector", Journal of Thermal Analysis and Calorimetry, Vol. 135(2), pp. 1465-1478. (doi: https://doi.org/10.1007/s10973-018-7547-6)

[A26] Salvi, S. S., Bhalla, V., Taylor, R. A., Khullar, V., Otanicar, T. O., Phelan, P. E., and Tyagi, H., 2018, "Technological Advances to Maximize Solar Collector Energy Output: A Review", ASME Journal of Electronic Packaging, Vol. 140(4), p. 040802. (doi: https://doi.org/10.1115/1.4041219)

[A25] Bhalla, V., Khullar, V., and Tyagi, H., 2018, "Experimental Investigation of Photo-Thermal Analysis of Blended Nanoparticles (Al2O3 /Co3O4) for Direct Absorption Solar Thermal Collector", Renewable Energy, Vol. 123, pp. 616-626. (doi: https://doi.org/10.1016/j.renene.2018.01.042)

[A24] Garg, K., Khullar, V., Das, S. K., and Tyagi, H., 2018, "Performance Evaluation of a Brine-Recirculation Multistage Flash Desalination System Coupled with Nanofluid-based Direct Absorption Solar Collector", Renewable Energy, Vol. 122, pp. 140-151. (doi: https://doi.org/10.1016/j.renene.2018.01.050)

[A23] Khullar, V., Tyagi, H., Otanicar, T. P., Hewakuruppu, Y. L., and Taylor, R. A., 2018, "Solar Selective Volumetric Receivers For Harnessing Solar Thermal Energy", ASME Journal of Heat Transfer, Vol. 140(6), p. 062702. (doi: https://doi.org/10.1115/1.4039214)

[A22] Bhalla, V., and Tyagi, H., 2018, "Parameters Influencing the Performance of Nanoparticles-laden Fluid-based Solar Thermal Collectors: A Review on Optical Properties", Renewable & Sustainable Energy Reviews, Vol. 84, pp. 12–42. (doi: https://doi.org/10.1016/j.rser.2017.12.007)

[A21] Khullar, V., Bhalla, V., and Tyagi, H., 2018, "Potential Heat Transfer Fluids (Nanofluids) for Direct Volumetric Absorption-Based Solar Thermal Systems", ASME Journal of Thermal Science and Engineering Applications, Vol. 10(1), p. 011009. (doi: http://dx.doi.org/10.1115/1.4036795)

[A20] Bhalla, V., and Tyagi, H., 2017, "Solar Energy Harvesting By Cobalt Oxide Nanoparticles, A Nanofluid Absorption Based System", Sustainable Energy Technologies and Assessments, Vol. 24, pp. 45–54. (doi: http://dx.doi.org/10.1016/j.seta.2017.01.011)

[A19] Patel, A., Sarkar, P., Tyagi, H., and Singh, H., 2016, "Time Value of Emission and Technology Discounting Rate for Off-Grid Electricity Generation in India using Intermediate Pyrolysis", Environmental Impact Assessment Review, Vol. 59, pp. 10–26. (doi: http://dx.doi.org/10.1016/j.eiar.2016.03.001)

[A18] Soni, S., Tyagi, H., Taylor, R. A., and Kumar, A., 2015, "Experimental and Numerical Investigation of Heat Confinement During Nanoparticle-Assisted Thermal Therapy", International Communications in Heat and Mass Transfer, Vol. 69, pp. 11-17. (doi: http://dx.doi.org/10.1016/j.icheatmasstransfer.2015.10.001)

[A17] Soni, S., Tyagi, H., Taylor, R. A., and Kumar, A., 2015, "The Influence of Tumour Blood Perfusion Variability on Thermal Damage During Nanoparticle-Assisted Thermal Therapy”, International Journal of Hyperthermia, Vol. 31(6), pp. 615-625. (doi: http://dx.doi.org/10.3109/02656736.2015.1040470)

[A16] Saroha, S., Mittal, T., Modi, P. J., Bhalla, V., Khullar, V., Tyagi, H., Taylor, R. A., and Otanicar, T. P., 2015, "Theoretical Analysis and Testing of Nanofluids-Based Solar Photovoltaic/Thermal (PV/T) Hybrid Collector", ASME Journal of Heat Transfer, Vol. 137(9), p. 091015. (doi: http://dx.doi.org/10.1115/1.4030228)

[A15] Hewakuruppu, Y., Taylor, R. A., Tyagi, H., Khullar, V., Otanicar, T. P., Coulombe, S., and Hordy, N., 2015, "Limits of selectivity of direct volumetric solar absorption", Solar Energy, Vol. 114, pp. 206-216. (doi: http://dx.doi.org/10.1016/j.solener.2015.01.043)

[A14] Otanicar, T. P., Theisen, S., Norman, T., Tyagi, H., and Taylor, R. A., 2015, "Envisioning advanced solar electricity generation: Parametric studies of CPV/T systems with spectral filtering and high temperature PV", Applied Energy, Vol. 140, pp. 224-233. (doi: http://dx.doi.org/10.1016/j.apenergy.2014.11.073)

[A13] Khullar, V., Tyagi, H., Hordy, N., Otanicar, T., Hewakuruppu, Y., Modi, P., and Taylor, R. A., 2014, "Harvesting solar thermal energy through nanofluid-based volumetric absorption systems", International Journal of Heat and Mass Transfer, Vol. 77, pp. 377-384. (doi: http://dx.doi.org/10.1016/j.ijheatmasstransfer.2014.05.023)

[A12] Soni, S., Tyagi, H., Taylor, R. A., and Kumar, A., 2014, "Investigation on nanoparticle distribution for thermal ablation of a tumour subjected to nanoparticle assisted thermal therapy", Journal of Thermal Biology, Vol. 43, pp. 70-80. (doi: http://dx.doi.org/10.1016/j.jtherbio.2014.05.003)

[A11] Gulati, R., Reddy, A., Khullar, V., Bhalla, V., Tyagi, H., Zhao, Y., Law, E., and Taylor, R. A., 2013, "Enhancing the efficiency of absorption refrigeration cycle by seeding nanoparticles directly in the working fluid", International Journal of Environmental Studies, Vol. 70(5), pp. 808-823. (doi: http://dx.doi.org/10.1080/00207233.2013.798503)

[A10] Phelan, P., Otanicar, T., Taylor, R., and Tyagi, H., 2013, "Trends and Opportunities in Direct-Absorption Solar Thermal Collectors”, ASME Journal of Thermal Science and Engineering Applications, Vol. 5(2), p. 021003. (doi: http://dx.doi.org/10.1115/1.4023930)

[A09] Soni, S., Tyagi, H., Taylor, R. A., and Kumar, A., 2013, "Role of Optical Coefficients and Healthy Tissue Sparing Characteristics in Gold Nanorod Assisted Thermal Therapy”, International Journal of Hyperthermia, Vol. 29(1), pp. 87-97. (doi: http://dx.doi.org/10.3109/02656736.2012.753162)

[A08] Taylor, R., Coulombe, S., Otanicar, T., Phelan, P., Gunawan, A., Lv, W., Rosengarten, G., Prasher, R., and Tyagi, H., 2013, "Small Particles, Big Impacts: A Review of the Diverse Applications of Nanofluids”, Journal of Applied Physics, Vol. 113(1), p. 011301. [Invited] (doi: http://dx.doi.org/10.1063/1.4754271) [Appeared on the cover of the Journal of Applied Physics]

[A07] Khullar, V., Tyagi, H., Phelan, P. E., Otanicar, T. P., Singh, H., and Taylor, R. A., 2012, "Solar Energy Harvesting Using Nanofluids-Based Concentrating Solar Collector”, ASME Journal of Nanotechnology in Engineering and Medicine, Vol. 3(3), p. 031003. (doi: http://dx.doi.org/10.1115/1.4007387)

[A06] Khullar, V. and Tyagi, H., 2012, "A Study on Environmental Impact of Nanofluid-Based Concentrating Solar Water Heating System", International Journal of Environmental Studies, Vol. 69(2), pp. 220-232. (doi: http://dx.doi.org/10.1080/00207233.2012.663227)

[A05] Otanicar, T. P., Phelan, P. E., Taylor, R. A., and Tyagi, H., 2011, "Spatially Varying Extinction Coefficient for Direct Absorption Solar Thermal Collector Optimization", ASME Journal of Solar Energy Engineering, Vol. 133(2), p. 024501. (doi: http://dx.doi.org/10.1115/1.4003679)

[A04] Phelan, P. E., Gupta, Y., Tyagi, H., Prasher, R., Cattano, J., Michna, G., Zhou, R., Wen, J., Jensen, M., and Peles, Y., 2010, "Energy Efficiency of Refrigeration Systems for High-Heat-flux Microelectronics", ASME Journal of Thermal Science and Engineering Applications, Vol. 2(3), p. 031004. (doi: http://dx.doi.org/10.1115/1.4003041)

[A03] Tyagi, H., Phelan, P. E., and Prasher, R., 2009, "Predicted Efficiency of a Low-Temperature Nanofluid-Based Direct Absorption Solar Collector", ASME Journal of Solar Energy Engineering, Vol. 131(4), p. 041004. [Appeared as 'Top 10 Most Downloaded Articles' of ASME JSEE during the months of Oct and Nov 2009] (doi: http://dx.doi.org/10.1115/1.3197562)

[A02] Tyagi, H., Phelan, P. E., Prasher, R., Peck, R., Lee, T. W., Pacheco, J. R., and Arentzen, P., 2008, "Increased Hot-Plate Ignition Probability for Nanoparticle-Laden Diesel Fuel", NanoLetters, Vol. 8(5), pp. 1410-1416. [Also highlighted in the Apr 30, 2008 issue of Chemical & Engineering News and in the Jun 2008 issue of Nature (Nature Nanotechnology)] (doi: http://dx.doi.org/10.1021/nl080277d)

[A01] Tyagi, H., Liu, R., Ting, D. S.-K., and Johnston, C. R., 2006, "Measurement of Wake Properties of a Sphere in Freestream Turbulence", Experimental, Thermal and Fluid Sciences, Vol. 30, pp. 587-604. (doi: http://dx.doi.org/10.1016/j.expthermflusci.2005.12.004)


Books/Monographs/Edited Books

[B04] Tyagi, H., Chakraborty, P., Powar, S., Agarwal, A., (eds.), 2021, New Research Directions in Solar Energy Technologies, Springer. (doi: https://doi.org/10.1007/978-981-16-0594-9)

[B03] Tyagi, H., Chakraborty, P., Powar, S., Agarwal, A., (eds.), 2020, Solar Energy: Systems, Challenges, and Opportunities, Springer. (doi: https://doi.org/10.1007/978-981-15-0675-8)

[B02] Tyagi, H., Agarwal, A., Chakraborty, P., Powar, S., (eds.), 2019, Advances in Solar Energy Research, Springer. (doi: https://doi.org/10.1007/978-981-13-3302-6)

[B01] Tyagi, H., Agarwal, A., Chakraborty, P., Powar, S., (eds.), 2018, Applications of Solar Energy, Springer. (doi: https://doi.org/10.1007/978-981-10-7206-2)


Patents

1. Patel, A., Sarkar, P., Tyagi, H., Singh, H., 2018. A Method For Determining A Single Emission Discounting Rate For Processes Involving Environmental Emissions, Indian Patent Application, Filing date: November 2018.

2. Patel, A., Sarkar, P., Tyagi, H., Singh, H., 2020. System and Method for Tracking Details of Energy Associated with an Energy Generation Process, Indian Patent Application, Filing date: March 2020


Invited Talks/Seminars (Representative)

  • Delivered an invited seminar on "Applications of Heat Transfer: Solar Energy and Water Purification", during the department seminar series, at the Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh, India, 2022 (online).

  • Delivered a guest lecture on "Radiative Heat Transfer Applications: Solar Thermal Collector", during the International e-Workshop on Radiation Transport and Applications, at Indian Institute of Technology Bhubaneswar, Odisha, India, 2022 (online).

  • Delivered a guest lecture on "Role of Thermal Engineering in Improving Efficiencies of Solar Energy and Water Purification Processes", during the department seminar series, at the Department of Mechanical & Aerospace Engineering, University of Texas at Arlington, Arlington, Texas, USA, 2021 (online).

  • Delivered a talk on "The Use of Technology in Education: Present Roles and Future Prospects", delivered at IIT Ropar, Rupnagar, Punjab, India, 2021 (online).

  • Delivered an invited talk on "Applications of Solar Energy Technologies" during the National Training Programme on Renewable Energy held at Sardar Swaran Singh National Institute of Bio-Energy (SSS-NIBE), Kapurthala, Punjab, India, 2021 (online).

  • Delivered a guest lecture on "Applications of Heat Transfer: Use of Nanoparticles in Harnessing Solar Energy" during the International Winter School on 'Fluid Dynamics, Heat Transfer and Applications' held at National Institute of Technology Uttarakhand, Garhwal, Uttarakhand, India, 2021.

  • Delivered an expert lecture on "Applications of Solar Thermal Systems: Water Desalination" during the Faculty Development Programme Under AICTE Training & Learning (ATAL) Academy on 'Challenges and Opportunities in Collection, Storage and Utilization of Solar Thermal Energy' (COCSUSTE-20) held at Dr. B. R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India, 2020.

  • Delivered an expert lecture on "Solar Thermal Systems: Role of Heat Transfer" during the Faculty Development Programme Under AICTE Training & Learning (ATAL) Academy on 'Challenges and Opportunities in Collection, Storage and Utilization of Solar Thermal Energy' (COCSUSTE-20) held at Dr. B. R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India, 2020.

  • Delivered an invited talk on "Advances in Solar Energy and Water Desalination Processes" during the 7th International & 9th Conference on Advancements and Futuristic Trends in Mechanical and Materials Engineering (AFTMME) held at Indian Institute of Technology Ropar, Rupnagar, Punjab, India, 2019.

  • Delivered an invited talk on "Sustainable Energy Application: Water Purification" during the Third International Conference on Sustainable Energy and Environmental Challenges (3rd SEEC), at Indian Institute of Technology Roorkee (IITR), Roorkee, Uttarakhand, India, 2018.

  • Delivered an expert lecture on "Water Purification Using Solar Energy" during the Workshop on 'Frontiers in Solar Technologies' (FST-2018), at NIT Silchar, Assam, India, 2018.

  • Delivered an invited talk on "Use of Nanoparticles for Harnessing Solar Thermal Energy and Applications in Energy Efficient Buildings" during the Second International Conference on Sustainable Energy and Environmental Challenges (SEEC - 2018) held at Indian Institute of Science (IISc), Bangalore, Karnataka, India, 2018.

  • Delivered an invited talk on "Harvesting Solar Thermal Energy Using Nanotechnology" during the National Conference on Large Solar Power Generation - Challenges and Adequate Technology Solutions held at National Power Training Institute (NPTI), Nangal, Punjab, India, 2017.

  • Delivered an invited talk on "Efficient Absorption of Solar Energy Using Nanoparticle-Laden Fluids" during the First International Conference on Sustainable Energy and Environmental Challenges (SEEC - 2017) held at Center of Innovative and Applied Bioprocessing (CIAB), Mohali, India, 2017.

  • Delivered an invited talk on "Efficient Energy Transfer & Storage: Utilizing Nanoparticles for Harnessing Solar Energy" during the Le Studium Conference on 'Future Strategies in Electrochemical Technologies for Efficient Energy Utilisation' at Tours, France, 2016.

  • Delivered an invited session talk on "Solar Energy: Nanoparticle Applications in High Heat Flux Solar Collectors" during the Ninth National Frontiers of Engineering Symposium (9NatFoE) for Young Indian Engineers, Indian National Academy of Engineering (INAE), at IIT Jodhpur, India, 2015.

  • Delivered an invited lecture on "Solar Thermal Energy: Nanoparticles for Enhanced Energy Conversion" during the workshop on 'Innovations in Solar Thermal Energy Storage Technologies and its Future Prospects' at TERI University, India, 2015.

  • Delivered an expert lecture on “Solar Energy: Nanofluid Volumetric Receivers” during the STC on Heat Transfer in Chemically Reacting Systems at IIT Roorkee, India, 2014.

  • Delivered an invited session talk on “Harvesting Solar Energy Using Nanotechnology” during the Indo-US Workshop on Recent Advances in Micro/Nanoscale Heat Transfer and Applications in Clean Energy Technologies at IIT Ropar, India, 2013.

  • Delivered an invited lecture on “Applications of Nanoparticles in Harnessing Solar Thermal Energy” during the International Conference on Interdisciplinary Areas with Chemical Sciences (ICIACS 2013) at Panjab University, Chandigarh, India, 2013.

  • Delivered as Guest of Honour the inaugural lecture on “Technology Advances in Sustainable Energy Applications” during the 'Short Term Training Programme on Solar Energy and its Applications' (STTP-SEA) at MANIT Bhopal, India, 2013.

  • Delivered an expert lecture on “Utilizing Nanoparticles for Harnessing Solar Thermal Energy” at NIT Hamirpur as part of the National Workshop on Power Generation from Renewable Energy Sources sponsored by Ministry of New and Renewable Energy, India, 2013.

  • Delivered a research seminar on “Harvesting Solar Energy Using Nanofluids-Based Concentrating Solar Collection” at the School of Photovoltaic and Renewable Energy Engineering (SPREE), University of New South Wales (UNSW), Sydney, NSW, Australia, 2012.

  • Delivered a lecture on “Development and Usage of Clean Energy Resources” at the Simon Fraser University, Burnaby, British Columbia, Canada, 2011.

  • Delivered a talk on “Solar Energy: Nanofluids-Based Direct Absorption Solar Collectors”, at the Simon Fraser University, Surrey, British Columbia, Canada, 2011.

  • Delivered a lecture on “New and Renewable Energy Resources in India”, at the NRC Institute for Fuel Cell Innovation, Vancouver, British Columbia, Canada, 2011.

  • Delivered a talk on “Energy Sustainability: An Indian Context” at the Powertech Labs Inc., Surrey, British Columbia, Canada, 2011.


International Collaborations

Australia: RMIT University, University of New South Wales

Canada: McGill University, Simon Fraser University

UK: Brunel University

USA: Arizona State University, University of Texas - Arlington, University of Tulsa


Membership of Professional Bodies

Indian Society for Heat and Mass Transfer (ISHMT)

International Society for Energy, Environment and Sustainability (ISEES)

National Society of Fluid Mechanics and Fluid Power (FMFP)

Society of Materials and Mechanical Engineers (SOMME)