Dr Ashish Karn

Associate Professor

Academic Background

PhD in Mechanical Engineering |Minor: Aerospace Engineering and Mechanics. | Thesis: Bubbly flow physics for applications in next-generation aerated hydro turbines and underwater transport, University of Minnesota Twin Cities, USA, 2016
M.S. in Mechanical Engineering |Specialization: Aerosol Sciences and Particle Technology, Aerosol Instrumentation |Minor.: Aerospace Engineering and Mechanics, University of Minnesota Twin Cities, USA, 2013
B.Tech. in Mechanical Engineering | Thesis: Growth and characterization of Indium Oxide Nanostructures, Indian Institute of Technology Delhi (IITD), 2011

RESEARCH INTERESTS

(Refer to MultiPhase Flows Lab: anurl.in/mpfl)

Experimental thermal-fluid sciences and Aerospace Applications, Small scale hydropower: Silt and Cavitation erosion in hydro turbines; Hydrokinetic turbines, Underwater acoustics; Gas-liquid mass transfer for environmental applications such as wastewater treatment, aeration and water desalination; Naval hydrodynamics; Multiphase flows: bubbles and drops; Flow Measurement; Drop Impact; Particle/Shadow Image Velocimetry; Digital image processing; Aerosol Measurement and Instrumentation; Particle Technology; Innovative Pedagogy in Engineering Education, Active Learning in Engineering (Refer to www.drkarnteaching.com); Early Science Technology Engineering Education and Mathematics of India.

AWARDS & HONORS

Rotary International, Dehradun Rotary Club, The Nation Builder’s Award, Sep. 5 2021.
Toycathon-2021, All India Council for Technical Education, Winner, Digital Toycathon Category for board game ‘Mission Setubandha’, 2021.
National Innovation Foundation (NIF), Department of Science and Technology, India, COVID Innovation Challenge, 2020.
Foundation for Integrated Support and Solution, Government of India, COVID-19 Open Innovation Challenge (Winner, Ist Position at National level). 2020.
Science and Engineering Research Board (SERB), Department of Science and Technology, India, Early Career Research Award, 2018.
University of Petroleum and Energy Studies, Award for Research Excellence, 2020-21.
University of Petroleum and Energy Studies, Award for Individual Teaching Excellence 2018-2019.
University of Petroleum and Energy Studies, Research Excellence Award 2017-2018.
University of Petroleum and Energy Studies, Individual Teaching Excellence Award 2017-2018.
University of Minnesota, Twin Cities, USA, Edward Silberman Award, College of Science and Engineering, 2015-2016 (Awarded for excellence in scientific research)
University of Minnesota, Twin Cities, Doctoral Dissertation Fellowship, Graduate School, 2015-2016 (Awarded to the selected best dissertations in the graduate school)
University of Minnesota, Twin Cities, Preparing Future Faculty Certificate, Graduate School, 2016.
University of Minnesota, Twin Cities, Student Fund Award, St. Anthony Falls Laboratory, 2015
University of Minnesota, Twin Cities, DDF Conference Travel Grant, Graduate School, 2015
University of Minnesota, Twin Cities, Frank and Julie Tsai Travel Award, St. Anthony Falls Laboratory, 2014
University of Minnesota, Twin Cities, Mechanical Engineering Departmental Fellowship, 2011-2012
Indian Institute of Technology Delhi, New Delhi, BOSS Award for a best hardcore experimental project in Mechanical Engineering, 2011
Indian Institute of Technology Delhi, New Delhi, Summer Undergraduate Research Award, Indian Institute of Technology Delhi, 2009
Indian Institute of Technology Delhi, New Delhi, National Council for Educational Research and Training, New Delhi
Indian Institute of Technology Delhi, New Delhi, National Talent Search (NTSE) Scholarship for six consecutive years, 2005-2011
American Society of Metals, Third Place, International Metallographic Contest, 2011
American Society of Metals, Honorable Mention, International Metallographic Contest, 2011.

Career Graph

University of Petroleum and Energy Studies, Dehradun
- Cluster Head, Mechanical Cluster (Mechanical & Aerospace), Dec 2021-Present.
- Associate Professor, Mechanical Engineering, June 2021-Present.
- Assistant Professor (Selection Grade), Mechanical Engg, July 2017 – June 2021.
College of Engineering Roorkee, Uttarakhand
- Assistant Professor, June 2016 – June 2017
University of Minnesota Twin Cities, USA.
- Research Assistant, Aug 2011 – April 2016.

FUNDED RESEARCH PROPOSALS

Design, Fabrication and Pilot Study of a COmfortably Vented Indigenously Designed (COVID) Fabric Helmet to Curb Infection Spread in Community Settings such as Education and Healthcare, National Innovation Foundation, Department of Science and Technology (PI), COVID Innovation Challenge.
Ventilation augmented supercavitating technology for next-generation hydropower, Science and Engineering Research Board, Department of Science and Technology as a Principle Investigator (PI) towards Early Career Research Award, Funding amount: 44.6 lakhs.
Experimental Investigation of ventilated supercavitation at high cavitator temperature, UPES SEED Grant, 2021 (with Mr. Kumar Gaurav as PI)
Novel technology of water lifting technique and efficiency enhancement of hydro turbines in remote hilly areas, UPES SEED Grant, 2021 (with Dr. Ramesh Donga as PI)
Novel Strategies to induce bubble coalescence for industrial and naval applications, SEED Research Grant, University of Petroleum and Energy Studies, 2018. (as PI, co-PI: Dr. Abhay Kumar).
In-situ monitoring of industrial bubbly flows and bubble size control via continuous feedback approach, SEED Research Grant, University of Petroleum and Energy Studies, 2018.
Conversion of waste sewage sludge to wealth via hydrolysis/methanogenesis and pyrolysis, SEED Research Grant, University of Petroleum and Energy Studies, 2018. (as co-PI, PI: Dr. V Chintala).

JOURNAL PUBLICATIONS (34)

Karn, A., Arndt, R., Hong, J. (2016). An experimental investigation into supercavity closure mechanisms. Journal of Fluid Mechanics, 789, 259-284 (Featured on the cover page of Journal of Fluid Mechanics).
Gaurav, K., Mittal, G., Karn, A. (2021), On the Morphology of Elongated bubbles during their formation at submerged orifices. Chemical Engineering Science 250, 117395.
Dwivedi, A., Sawant, G., Karn, A. (2021), Computational solvers for iterative hydraulic loss calculations in pipe systems. Journal of Engineering Education Transformations.
Yoon, K., Li, J., Shao, S., Karn, A., Hong, J. (2021), Insights into the ventilation hysteresis shift due to flow unsteadiness in ventilated supercavitation. Experimental Thermal and Fluid Science. 129. 110472.
Karn, A., Ambs, J., Deo, Shashank S, Vyas, A., Dwivedi, A., Kumar, A. (2021), On the enormous enhancement in water evaporation rates obtained by employing a different polar ambient. Heat Transfer 2021, 1-12.
Bhat, A., Raghav, G., Karn, A. (2021), Enhancement of Efficiency and Thermal Comfort in a Passenger Car Cabin Using Spanwise Inlet Vents. Engineering Journal, 25(2), 95-108.
Kumar, A., Saha, A. K., Panigrahi, P. K., Karn, A. (2020) On the effect of free surface upon a parallel submerged shallow synthetic jet. Fluid Dynamics Research. 52(4), 1-17.
Kumar, A., Saha, A. K., Panigrahi, P. K., Karn, A., The mechanism of vortex bifurcation vis-à-vis axial switching in rectangular synthetic jets European Journal of Mechanics - B(Fluids), 86, 78-89.
Karn, A., Deo, Shashank S, Singh, R. K., Kumar, A.. A COmfortably Vented, Indigenously Designed (COVID) Fabric Helmet for Curbing Infection Spread in education, healthcare and other community Settings. Health and Population: Perspectives and Issues. 43(4), 137-152.
Chintala, V., Vikesh, S., Karn, A. (2020), Efficiency and Effectiveness enhancement of an intercooler of two-stage air compressor by low cost Al2O3/water nanofluids. Heat Transfer. 2020, 1-18.
Karn, A., De, R., Kumar, A., Some insights into drop impacts on a hydrophobic surface. (2020) Journal of Applied Fluid Mechanics. 13(2), 527-536.
Venkatramakrishnan, S. R., Pandey, J. K., Mondal, A. K., Karn, A., Electricity generation from wind turbines at low wind velocities: A review. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 67(1), 146-169.
Karn, A., De, R., Kumar, A. A Qualitative Inter-relation between Drop Impacts on a Solid Surface and the Interaction of a Droplet Placed Inside a Superheated Pool. (2019) Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 60(1), 85-94.
Kumar, A., Saha, A.K., Panigrahi, P.K., Karn, A. (2019). Implications of Velocity Ratio on the Characteristics of a Circular Synthetic Jet Flush Mounted on a Torpedo Model in Quiescent and Cross-flow Conditions. Journal of Applied Fluid Mechanics. 13 (3), 1003-1013.
Chintala, V., Sharma, A., Karn, A., Vardhan, H., Pandey, J. K. (2019) Utilization of biomass-derived pyro-oils in compression ignition (CI) engines – Recent developments. Energy Sources, Part A: Recovery, Utilization and Environmental Effects.
Karn, A., Chintala, V., Kumar, S. (2019). On the determination and variations in Sky temperature and its effect on solar cooker performance. Heat Transfer – Asian Research. 48(5), 1830 – 1856.
Kumar, A., Saha, A.K., Panigrahi, P.K., Karn, A. (2019). On the flow physics and vortex behavior of rectangular orifice synthetic jets. Experimental Thermal and Fluid Science, 103, 163-181.
Kumar, A., Karn, A. (2018). Qualitative and Quantitative characterization of a synthetic jet mounted on a convex torpedo-like surface under cross-flow. International Journal of Heat and Fluid Flow, 74, 198-208.
Karn, A., Chawdhary, S. (2018). On the synergistic interrelation between supercavity formation through vaporous and ventilated routes. International Journal of Multiphase Flow, 104, 1-8.
Kumar, S. S., Karn, A., Arndt, R. & Hong, J. (2017). Internal flow measurements of a drop impacting a solid surface. Experiments in Fluids 58:12.
Karn, A., Ellis, C., Arndt, R. & Hong, J. (2015). An integrative image measurement technique for dense bubbly flows with a wide size distribution. Chemical Engineering Science, 122, 240-249.
Karn, A., Monson, G., Ellis, C., Hong, J., Arndt, R., & Gulliver, J. (2015). Mass transfer studies across ventilated hydrofoils: A step towards hydroturbine aeration. International Journal of Heat and Mass Transfer, 87, 512-520.
Cao, L., Karn, A., Arndt, R. & Hong, J. (2017). Numerical investigations into the pressure distribution within a ventilated supercavity. Journal of Fluids Engineering, 139 (2), 021302.
Karn, A., Rosiejka, B. (2017). Air entertainment characteristics of artificial supercavities for free and constrained closure models. Experimental Thermal and Fluid Science , 81, 364-369.
Shao, S., Karn, A., Ahn, B. K., Arndt, R., Hong, J. (2017). A comparative Study of Supercavitation across two closed- wall water tunnel facilities. Experimental Thermal and Fluid Science, 88, 519-529.
Karn, A. (2017). Characterization of bubbly flow systems: A review. International Journal of Petrochemical Science and Engineering, 2(6): 00053.
Karn, A., Kumar, N., & Aravindan, S. (2017). Chemical Vapor Deposition Synthesis of Novel Indium Oxide Nanostructures in Strongly Reducing Growth Ambient. Journal of Nanostructures 7(1), 64-76.
Karn, A., Arndt, R., & Hong, J. (2016). Gas entrainment behaviors in the formation and collapse of a ventilated supercavity. Experimental Thermal and Fluid Science, 79, 294-300.
Karn, A., Shao, S., Arndt, R., & Hong, J. (2016). Bubble coalescence and breakup in turbulent bubbly wake of a ventilated hydrofoil. Experimental Thermal and Fluid Science, 70, 397-407.
Lee, S.J., Kawakami, E., Karn, A. & Arndt, R. (2016). A Comparative study on the behaviors of ventilated supercavities between experimental models with different cavitator configurations. Fluid Dynamics Research, 48, 45506- 45517.
Karn, A., Arndt, R., & Hong, J. (2015). Dependence of supercavity closure upon flow unsteadiness. Experimental Thermal and Fluid Science, 68, 493-498.
Karn, A., Ellis, C., Hong, J.,& Arndt, R. (2015). Investigations into the turbulent bubbly wake of a ventilated hydrofoil: moving toward improved turbine aeration techniques. Experimental Thermal and Fluid Science, 64, 186-195.
Karn, A., Ellis, C., Milliren, C. Hong, J., Scott, D., Arndt, R., & Gulliver, J. (2015). Bubble size characteristics in ventilated hydrofoils with two aeration configurations. International Journal of Fluid Machinery and Systems 8 (2), 73- 83.
Karn, A., Kumar, M., Singh, V.N., Mehta, B.R., Aravindan, S. & Singh, J.P. (2012). Growth of Indium Oxide and Zinc-doped Indium Oxide Nanostructures. Chemical Vapor Deposition, 18, 295-301.

BOOK CHAPTER (5)

Karn, A., Thakur, S., Badoni, P. (2021) ANURL: An innovative management scheme for web uniform resource locators. Micro-Electronics and Telecommunication Engineering. Proceedings of 5th ICMETE 2021. Chapter 55. Springer. ISBN 978-981-16-8720-4.
Dwivedi, A., Chintala, V., Chawdhary, H., Karn, A. (2020), Development of a Selective Catalyst Reduction System with Zeolite for NOx Emissions Reduction in CI Engines. Advances in Sustainable Development, Chapter 19. ISBN 978-981-16-4399-6.
Sawant, G., Gaurav, K., Mittal, G., Karn, A. (2021), A short review on the development of novel facemasks during COVID-19 pandemic. Advances in Behavioral Based Safety, Chapter 13. ISBN 978-981-16-8269-8.
Karn, A., Kanchi, R., Deo, S. S. (2021), Design and Development of an automated monitored hand hygiene system to curb infection spread in institutional settings during COVID-19 pandemic. Advances in Behavioral Based Safety, Chapter 14. ISBN 978-981-16-8269-8.
Karn, A., Narula, V., Arndt R. & Hong, J. (2016). Insight into Ventilation Demand Estimation for High-speed Supercavitating Underwater Vehicles. Lectures in Mechanical Engineering, Springer.

PATENTS/COPYRIGHTS(10)

Karn, A., Badoni P., Trivedi, T. (2021) A mentoring scheme including personalized notification of course performance to students with enhanced transparency and confidentiality. Copyright Registration # CO/SW-26073/2021., Copyright Office, Government of India.
Karn, A., Chandok, K., Joshi, M., Trivedi, T. (2021) An assignment design and transmission portal to inculcate integrity and self-reliance. Copyright Registration # SW-15072/2021., Copyright Office, Government of India.
Thakur, Suyash, Karn, Dr. Ashish, Badoni Pankaj (2021), ANURL: An indigenous and innovative URL shortening service. Copyright Registration # SW-14748/2021., Copyright Office, Government of India.
Karn, A. et al. (2021) Mission Setubandha. Copyright Registration # 30495/2021-CO/L, Copyright Office, Government of India.
Karn, A. et al. (2021) Meru Prastara: Introduction, rules and gameplay. Copyright Registration # 30617/2021-CO/L, Copyright Office, Government of India.
Karn, A. et al. (2021) Mission Setubandha: The Game board. Copyright Registration # 30675/2021-CO/A, Copyright Office, Government of India.
Karn, A. et al. (2021) Meru Prastara: Game Board. Copyright Registration # 30630/2021-CO/A, Copyright Office, Government of India.
Karn, A. et al. (2021) Mission Setubandha: The game board-II Copyright Registration # 30664/2021-CO/L, Copyright Office, Government of India.
Karn, A. et al. (2021) Arogya: A board game on Health and Wealth. Copyright Registration # 30495/2021-CO/L, Copyright Office, Government of India.
Karn, A., Karn, V., Kumar, A., Deo, Shashank S, A Fabric Helmet based protective gear, Intellectual Property India, Patent Application # 329398-001 (Filed 18^th May 2020).

CONFERENCE PROCEEDINGS (22)

Rajkumar, R., Gaurav, K., Karn, A., Kumar, V., Shukla, H. (2021) Numerical investigation of the effect of liquid temperature on supercavitation. International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2021), Bangalore, India.

Dwivedi, A., Sawant, G., Karn, A. (2021) Effective computational tools for teaching and learning of heat transfer through extended surfaces. International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2021), Bangalore, India.

Agarwal, R., Dwivedi, P., Mahawar, R., Karn, A. (2021) Design and Analysis of Longitudinal Butt Joint Using Spreadsheets. International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2021), Bangalore, India.
Karn, A., Thakur, S., Badoni, P. (2021) ANURL: An innovative management scheme for web uniform resource locators. Lecture Notes in Networks and Systems. Springer.
Dwivedi, A., Chintala, V., Chawdhary, H., Karn, A. (2020), Development of a Selective Catalyst Reduction System with Zeolite for NOx Emissions Reduction in CI Engines .Proceedings of International Conference on Advances in the Field of Health, Safety, Fire, Environment & Allied Sciences (HSFEA 2020).
Sawant, G., Gaurav, K., Mittal, G., Karn, A. (2020), A sh ort review on the development of novel face masks during COVID-19 pandemic. Proceedings of International Conference on Advances in the Field of Health, Safety, Fire, Environment & Allied Sciences (HSFEA 2020).
Karn, A., Kanchi, R., Deo, Shashank S. (2020),Design and Development of an Automated Monitored Hand Hygiene System to Curb Infection Spread in Institutional Settings during COVID-19 Pandemic. Proceedings of International Conference on Advances in the Field of Health, Safety, Fire, Environment & Allied Sciences (HSFEA 2020).
Dwivedi, P., Mahawar, R., Vyas, A., Kumar, A., & Karn, A. (2020). Rewriting The Cavitation Story In Engineering.Available at SSRN 3709675. Proceedings of Advances in Chemical Engineering, Dehradun.
Singh, D., Vyas, A., Kumar, A., & Karn, A. (2020). A Review On Secondary Fluid Injection In Turbomachines. Available at SSRN 3721584. Proceedings of Advances in Chemical Engineering, Dehradun.
Mittal, G., Donga, R. K., Kumar, A., Karn, A., (2019). Identification of Silt Erosion Areas on Francis Turbine Guide Vanes Through Numerical Simulation.46th National Conference on Fluid Mechanics and Fluid Power, PSG Institute of Technology, Coimbatore, India.
Donga, R. K., Kumar, A., Karn, A., (2019). A numerical study on the bifurcation of rectangular orifice synthetic jets.46th National Conference on Fluid Mechanics and Fluid Power, PSG Institute of Technology, Coimbatore, India.
Karn, A.,Ragunath, V., De, R., Chintala, R. & Kumar, A. (2018). High Speed imaging reveals a close resemblance between drop impacts on a solid surface and the interaction of a cold droplet placed upon a hot liquid pool. Proceedings of 7th International and 45th National Conference on Fluid Mechanics and Fluid Power.
Srivastava, A., Mishra, A., De, R., Chintala, V., Kumar., A.,Karn, A., (2018). Spreading and recoil of drops impacting a hydrophobic surface.Proceedings of 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, IIT Bombay, India.
Chintala, V., Kumar, S., Kumar, P., Kumar, A., Karn, A., (2018). Development of an after-treatment device with low cost catalysts for NOx emission reduction from diesel engines.Proceedings of 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, IIT Bombay, India.
Karn, A. (2017). Exploring the relationship between natural and artificial modes of supercavitation.Proceedings of 44th National Conference on Fluid Mechanics and Fluid Power.
Karn, A., Narula, V., Arndt R. & Hong, J. (2016). Insight into Ventilation Demand Estimation for High-speed Supercavitating Underwater Vehicles.Lectures in Mechanical Engineering,
Karn, A., Rosiejka, B., Narula, V. & Chaturvedi, A., (2016). Some insights into air entrainment characteristics of artificial supercavities.Proceedings of 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power.
Karn, A., Huang, R., Shao, S., Arndt, R., & Hong, J. (2016). Probing into physics of ventilation demand for supercavitating underwater Proceedings of 31st Symposium on Naval Hydrodynamics, Monterey, CA.
Ahn, B.K., Jeong, S.W., Kim, J.H., Shao, S., Karn, A., Hong, J., & Arndt, R., (2016). An experimental Investigation of artificial supercavitation. Proceedings of 31st Symposium on Naval Hydrodynamics, Monterey, CA.
Karn, A., Gulliver, J. S., Monson, G., Ellis, C., Arndt, R., & Hong, J. (2016). Gas transfer in a bubbly wake flow.IOP Conf. Ser.: Earth Environ. Sci. 35 (1), 012020.
Karn, A., De, R., Arndt, R., & Hong, J. (2015). Closure mechanisms of ventilated supercavities under steady and unsteady flows. Journal of Physics: Conference Series. 656 (1), 012145.
Ellis, C., Karn, A., Hong, J., Lee, S., Kawakami, E., Scott, D., Gulliver, J. & Arndt, R. (2014). Measurements in the wake of a ventilated hydrofoil: a step towards improved turbine aeration techniques.IOP Conf. Ser.: Earth Environ. Sci. 22, 062009.

INVITED TALKS (9)

Unravelling the flow physics of transport – The interlink between automotive and other modes, National Faculty Development Programme on “Technological Evolution and Implementation of Modern Tools in Automotive Engineering”, 30^th June, 2020.
Research Perspectives on extracting Kinetic Hydro Power, ONGC Energy Center, New Delhi, India; Feb 6, 2019.
Case Studies on Hydropower Research: American and Indian Perspectives, TATA Power Hydros, Khopoli, Maharashtra, India; Jan 2, 2019.
Multiphase flows in Turbomachinery, Jaipur Institute of Engineering and Technology, Jaipur, Rajasthan, India, April 2018.
A robust image analysis approach for high void fraction gas-liquid flows, 3^rdWorld Congress on Petrochemistry and Chemical Engineering, Atlanta, USA, Nov. 30 2015.
Computational simulations in mechanical engineering, Engineering and Technology Department, University of Wisconsin Stout, Menomonie, Wisconsin, USA, March 29 2016.
Multiphase flows in fluid machinery, Department of Mechanical Engineering, California State University Fullerton, Los Angeles, California, USA, April 5 2016.
Bubbly flow physics for applications in aerated hydroturbines and underwater transport, Department of Fire Protection Engineering, Worcester Polytechnic Institute, Worcester, Massachusets, USA, April 28, 2016.
Applications of multiphase flows, School of Mechanical, Materials and Energy Engineering, Indian Institute of Technology Ropar, Punjab, India, May 3 2016.

RESEARCH IMPACT (MEDIA PUBLICATIONS ETC.)
- Interaction with the honorable Prime Minister Sh. Narendra Modi before the Grand Finale of Toycathon-2021 for promoting Arogya and Ayurveda through an innovative physical board game. June 24, 2021.
- DD News Panel discussion, Toycathon-2021 with AICTE Chairman Prof. Anil Sahasrabudhe and Chief Innovation Officer, Dr. Abhay Jere. June 24, 2021.
- anurl.in : An Indigenous, Indian and customized URL shortener. Here is a report.
- ‘University researchers develop affordable COVID Ventilator’, Times of India (Education Times), August 31, 2020.
- उत्तराखंड: युवा डॉक्टर का गजब आविष्कार… , Rajya Sameeksha, June 26, 2020
- Ek Pahadi Aisa Bhi, Season 3 (Corona Heroes), Episode 3, Red FM, June 22 2020.
- ‘UPES researchers just made a COVID mask that covers your whole head and lets you eat without removing it!’, Indian Express (edeX Live), May 22, 2020.
- ‘Now, a fabric helmet for coronavirus protection in crowded settings.’, Social Story, May 13, 2020.
- ‘Need a helmet to escape COVID? UPES researchers create one with fabric.’, Times of India (Education Times), May 8, 2020.
- ‘UPES students design Automated Monitored Hand Hygiene System to fight COVID-19 pandemic’, UPES Achievers, May 18, 2020.
- ‘UPES faculty develops Fabric Helmet to help prevent COVID-19 contamination’, UPES Achievers, May 06, 2020
INDUSTRIAL EXPERIENCE
- TATA Power Hydros, Khopoli and Bhira, Maharashtra, India, Internship and Visit, 2018 – 2019. Closely worked on few of the problems related to water quality mitigation.
- ALSTOM Renewable Power Canada Inc., Sorel Tracy, Canada |Collaborator, 2013 – 2015. Suggested design and operational strategies for ventilated hydroturbine blades and investigated bubble size and mass transfer characteristics at different hydrodynamic conditions through water-tunnel experiments.
- TSI Inc., Shoreview, MN | Collaborator, 2011 – 2013. Conducted extensive bench-top laboratory experiments, field measurements and analyzed data for the design and development of a novel particle counter than can measure particles down to 1 nm.
- JCB India Limited, Ballabgarh, Haryana, India |Summer Intern, 2010. Implemented efficient material handling strategies and mistake-proofing solutions on the assembly line of a backhoe loader plant.
TEACHING INNOVATIONS

Active-learning in Engineering Education

Developed active learning modules for thermal-fluid science based courses in Engineering such as Fluid Mechanics and Heat Transfer.

Repository creation & Integration of Python/Excel VBA tools in Engineering courses

Developed computational tools for all courses in Mechanical Engineering as well as high school physics for improvement in pedagogy and teaching-learning experience. Repository can be found at drkarnteaching.com.

Story-telling in Engineering

Developed story-telling in engineering modules for thermo-fluid science based courses. Details can be found at drkarnteaching.com.

Assignment design and transmission tool

Ideated and developed an automated assignment design and transmission tool to provide randomized subjective assignment papers to students to inculcate integrity.

Revamping Engineering Labs: Flipped Approach & Research Writing

Introduced the concept of flipped-lab approach and integrated research writing into the engineering labs to promote coding and analysis skills as well as general interest of students in engineering labs.

ACADEMIC AND OTHER SERVICE

Editorial Positions

Engineering Journal (Associate Editor) | SCOPUS Journal, 2020-Present.

Reviewer, DST

Review Committee of INSPIRE Awards - MANAK (Million Minds Augmenting National Aspiration and Knowledge) , DST, Government of India.

Session Chair

International Conference on Advanced Materials, Energy and Environmental Sustainability, Dehradun, Uttarakhand, 2018.

Conference Moderator

Served as the conference moderator for 3^rd world congress on Petrochemistry and Chemical Engineering, Atlanta, USA, 2015.

Conference Presentations (37)

Rajkumar, R., Gaurav, K., Karn, A., Kumar, V., Shukla, H. (2021) Numerical investigation of the effect of liquid temperature on supercavitation. International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2021), Bangalore, India.
Dwivedi, A., Sawant, G., Karn, A. (2021) Effective computational tools for teaching and learning of heat transfer through extended surfaces. International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2021), Bangalore, India.
Agarwal, R., Dwivedi, P., Mahawar, R., Karn, A. (2021) Design and Analysis of Longitudinal Butt Joint Using Spreadsheets. International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2021), Bangalore, India.
Karn, A., Thakur, S., Badoni, P. (2021) ANURL: An innovative management scheme for web uniform resource locators. International Conference on Intelligent Systems & Sustainable Computing (ICISSC 2021), Springer, Hyderabad, India.
Mahawar, R., Dwivedi, P., Agrawal, R., Karn, A. (2020) Novel surface aerators for water quality enhancement in hydropower enhancement. Technical Symposium, Dehradun.
Dwivedi, A., Chintala, V., Chawdhary, H., Karn, A. (2020) Development of a Selective Catalyst Reduction System with Zeolite for NOx Emissions Reduction in CI Engines. International Conference on Advances in the Field of Health, Safety, Fire, Environment & Allied Sciences (HSFEA 2020), Dehradun
Karn, A., Kanchi, R., Deo, Shashank S. (2020) Design and Development of an Automated Monitored Hand Hygiene System to Curb Infection Spread in Institutional Settings during COVID-19 Pandemic. International Conference on Advances in the Field of Health, Safety, Fire, Environment & Allied Sciences (HSFEA 2020), Dehradun.
Sawant, G., Gaurav, K., Mittal, G., Karn, A. (2020) A short review on the development of novel face masks during COVID-19 pandemic. International Conference on Advances in the Field of Health, Safety, Fire, Environment & Allied Sciences (HSFEA 2020), Dehradun.
Acharya, A., Dwivedi, A., Karn, A. (2020). Determination of steady-state charge distribution of aerosols passing through bipolar ionizers: A Monte-Carlo Simulation-based study. Advances in Chemical Engineering, Dehradun, India.
Nawani, S., Deo, S. S., Kumar, A., Karn, A. (2020). Estimation of loss coefficient for flow through cross-junctions through CFD Simulations. Advances in Chemical Engineering, Dehradun, India.
Karn, A., Upadhyay, J., Rosiejka, B., Karn, A. (2020). Unravelling the popular science-show demonstration: “The grape-plasma” through high-speed visualizations. Advances in Chemical Engineering, Dehradun, India.
Vyas, A., Singh, D., Karn, A. (2020). Secondary Fluid injection in turbomachines. Advances in Chemical Engineering, Dehradun, India.
Kar, A., Dhebar, A., Khan, K., Karn, A. (2020). Visualization of bubble generation upon interaction with an ultrasonic horn in liquids at different carbonation levels. Advances in Chemical Engineering, Dehradun, India.
Mahawar, R., Dwivedi, P., Vyas, A., Kumar, A., Karn, A. (2020). Rewriting the Cavitation story in Engineering. Advances in Chemical Engineering, Dehradun, India.
Mittal, G., Donga, R. K., Kumar, A., Karn, A., (2019). Identification of Silt Erosion Areas on Francis Turbine Guide Vanes Through Numerical Simulation. 46th National Conference on Fluid Mechanics and Fluid Power, PSG Institute of Technology, Coimbatore, India.
Donga, R. K., Kumar, A., Karn, A., (2019). A numerical study on the bifurcation of rectangular orifice synthetic jets. 46th National Conference on Fluid Mechanics and Fluid Power, PSG Institute of Technology, Coimbatore, India.
Srivastava, A., Mishra, A., De, R., Chintala, V., Kumar., A.,Karn, A., (2018). Some insights into drop impacts on a hydrophobic surface. 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, IIT Bombay, India.
Chintala, V., Kumar, S., Kumar, P., Kumar, A., Karn, A., (2018). Development of an after-treatment device with low-cost catalysts for NOx emission reduction from diesel engines. 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, IIT Bombay, India.
Karn, A., Ragunath, S., De., R., Chintala, V., Kumar., A., (2018). High-speed imaging reveals a close resemblance between drop impacts on a solid surface and the interaction of a cold droplet placed upon a hot liquid pool. 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, IIT Bombay, India.
Karn, A., (2017). Exploring the relationship between natural and artificial modes of supercavitation. 44th National Conference on Fluid Mechanics and Fluid Power, Amritapuri, Kollam, Kerala, India.
Karn, A., Narula, V., Arndt R. & Hong, J. (2016). Insight into Ventilation Demand Estimation for High-speed Supercavitating Underwater Vehicles. 3rd International Conference on Applications of Fluid Dynamics, Dhanbad, India.
Karn, A., Rosiejka, B., Narula, V. & Chaturvedi, A., (2016). Some Insights into Air Entrainment Characteristics of Artificial Supercavities. 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, Allahabad, India
Karn, A., Shao, S., Arndt, R. E. A., & Hong, J. (2016). Probing into physics of ventilated demand for supercavitating underwater vehicles. 31st ONR Symposium on Naval Hydrodynamics, Monterey, CA
Ahn, B.K., Jeong, S.W., Kim, J.H., Shao, S., Karn, A., Hong, J., & Arndt, R., (2016). Experimental Investigation of artificial supercavitation. 31st ONR Symposium on Naval Hydrodynamics, Monterey, CA
Karn, A., Monson, G. M., Ellis, C., Hong, J., Arndt, R. E. A., & Gulliver, J. (2015). Oxygen transfer across ventilated hydrofoils. The 7th International Symposium on Gas Transfer at Water Surfaces, Seattle.
Karn, A., Arndt, R. E. A., & Hong, J. (2015). Closure mechanisms of ventilated supercavities under steady and unsteady flow conditions. 9th International Symposium on Cavitation, Switzerland.
Karn, A., Arndt, R. E. A. & Hong, J. (2015). On the relationship between super cavity closures, air entrainment and internal flows. 68th Annual Meeting of APS-DFD, Boston.
De, R., Karn, A., Noonan, J., Rosiejka, B., Arndt, R., & Hong, J. (2015). Characterization of drop impact based on internal flow quantification. 68th Annual Meeting of APS-DFD, Boston.
Karn, A., Arndt, R. E. A. & Hong, J. (2015), A robust image analysis approach for high void fraction gas-liquid flows, 3rd World Congress on Petrochemistry and Chemical Engineering, Atlanta
Karn, A., Ellis, C., Arndt, R. E. A., & Hong, J. (2014). Bubble size measurements in a bubbly wake. 67th Annual Meeting of APS-DFD, San Francisco.
Arndt, R. E. A., Karn, A. & Hong, J. (2014). A unified physical model to explain super cavity closure. 67th Annual Meeting of APS-DFD, San Francisco.
Ellis C., Karn, A., Hong, J., Lee, S. J., Kawakami, E., Scott, D., Gulliver, J. & Arndt, R. E. A., (2014). Measurements in the wake of a ventilated hydrofoil: A step towards improved turbine aeration techniques. 27th IAHR Symposium Hydraulic Machinery and Systems, Montreal, Canada.
Kawakami, E., Lee, S. J., Karn, A., Hong, J. & Arndt, R. E. A. (2013). Improved performance with ventilation. 66th Annual Meeting of APS-DFD, Pittsburgh.
Arndt, R. E. A., Lee, S. J., Kawakami, E., Hong, J. & Karn, A. (2013). Ventilation of a hydrofoil wake. 66th Annual Meeting of APS-DFD, Pittsburgh.
Scott, D., Sabourin, M., Beaulieu, S., Ellis, C. & Karn, A. (2015). Optimizing dissolved oxygen transfer in auto-venting turbines. HydroVision International 2015, Portland.
Lee, S. J., Kawakami, E., Karn, A., Arndt, R. E. A. (2014). Experimental investigation on the behaviours of ventilated supercavities. Proceedings of the annual autumn meeting of the SNAK (The Society of Naval Architects of Korea), Changwon, Korea, 2014.
Zhao J., Han H. S., Karn A., and McMurry P. (2015), Development of an Ultrafine Condensation Particle Counter (UCPC) for Measurements of Particles Down to 1 nm in Diameter, 34th American Association for Aerosol Research Conference, Minneapolis, Minnesota.
Karn, A., Aravindan, S. & Singh, V. N., (2011). Metallographic analysis of Polyhedral Indium Zinc Oxide Mesocontainers.International Metallographic contest 2011, American Society of Metals, Aug. 7 – 11, 2011, Nashville, TN.
Karn, A., Aravindan, S., Singh, V. N. & Mehta, B. R., (2011). Synthesis, shape evolution and growth mechanism of Polyhedral Indium Zinc Oxide Mesocontainers. International Metallographic contest 2011, American Society of Metals, Aug. 7 – 11, 2011, Nashville, TN.