Publications

Journal Papers:

2017

1. Cao, L., Karn, A., Arndt, R. & Hong, J. (2017). Numerical investigations into the pressure distribution within a ventilated supercavity. Journal of Fluids Engineering (In Press);

2. Shao, S., Karn, A., Ahn, B-K., Arndt, R. & Hong, J. (2017). A comparative study of natural and ventilated supercavitation across two closed-wall water tunnel facilities. Experimental Thermal and Fluid Science (In Press).

2016

1. 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.

2. 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).

3. 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.

4. 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.

2015

1. Karn, A., Arndt, R., & Hong, J. (2015). Dependence of supercavity closure upon flow unsteadiness. Experimental Thermal and Fluid Science, 68, 493-498.

2. 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.

3. 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. 

4. 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. 

5. 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. 

Pre 2013

1. Lee, Seung-Jae, Ellison Kawakami, and Roger EA Arndt. Investigation of the Behavior of Ventilated Supercavities in a Periodic Gust Flow. Journal of Fluids Engineering 135.8 (2013): 081301.

2. Kawakami, Ellison, and Roger EA Arndt. Investigation of the behavior of ventilated supercavities. Journal of Fluids Engineering. 133.9 (2011): 091305.

3. Roger EA Arndt, W. T. Hambleton, E. Kawakami, and E. L. Amromin. Creation and maintenance of cavities under horizontal surfaces in steady and gust flows. Journal of Fluids Engineering 131, no. 11 (2009): 111301.

4. Roger EA Arndt, Gary J. Balas, and Martin Wosnik. Control of cavitating flows: A perspective. JSME International Journal Series B 48.2 (2005): 334-341.

Conference Proceedings

2016

1. 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.

2. 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.

3. Karn, A., Huang, R., Shao, S., Arndt, R., & Hong, J. (2016). Probing into physics of ventilation demand for supercavitating underwater vehicles. 31st Symposium on Naval Hydrodynamics, Monterey, CA.

4.   Ahn, B.K., Jeong, S.W., Kim, J.H., Shao, S., Karn, A., Hong, J., & Arndt, R.,  (2016). Experimental Investigation of artificial supercavitation.  31st Symposium on Naval Hydrodynamics, Monterey, CA.

5.   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.

2015

1. 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.

2014

1. 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.