Publications

PEER REVIEWED JOURNAL PUBLICATIONS AND BOOK CHAPTERS
1.    Srivastava, N., Tkacik, P. T., and Keanini, R. G., “Ascending rockets as macroscopic self-propelled Brownian oscillators”, Proceedings of the Royal Society, Proceedings A, RSPA-2012-0273.  
2.    B. Mullany, H. Shahinian, J. Navare, F. Azimi, E. Fleischhauer, P. Tkacik, R. Keanini, “The application of computational fluid dynamics to vibratory finishing processes”, CIRP Annals Manufacturing Technology – Vol.66/1 and for presentation at the 2017 CIRP General Assembly in Lugano, Switzerland.
3.    Lim, J. H., MacLeod. B., and Tkacik, P. “Between Two Communities of Practice: (Un)Shared Experience of Undergraduate Peer Mentors and Mentees”, Mentoring and Tutoring: Partnerships in Learning Journal (in press), (also presented at 2015 AERA Annual Meeting, Chicago, IL April 2015).
4.    R. G. Keanini, P. T. Tkacik, E. Fleischhauser, H. Shahinian, J.Sholar, F. Azimi, and B. Mullany, “Macroscopic Liquid-State Molecular Hydrodynamics”, Nature Scientific Reports, #SREP-16-46212, (accepted upon minor revision)
5.    Hellman, S., Uddin, M., Tkacik, P.T., and Kelly, S. D., “Experimental Study Comparing Racecar Aerodynamic Downforce-Generating Devices Using Scale Model NASCAR Cot”, International Journal of Automotive Technology, Vol. 17, No. 2, pp. 281−288 (2016) DOI 10.1007/s12239−016−0028−7
6.    Popat, J., Nabar, A., Read, M., Fu, C., Zhang, C., Kausik, G., Patel, H., and Tkacik, P., “A Statistical Study of Tire Pressures on Road Going Vehicles”, SAE International Journal of Passenger Cars – Mechanical Systems,  June 2016 9:560-564; doi:10.4271/2016-01-1572, (also presented in 2016 SAE World Congress).
7.    Patel, H., Casino, M., Noakes, D., Kauffman, N., Rohwedder, D., Popat, J., Nabar, A., and Tkacik, P., “Suspension Variables Influencing Vehicle Wheel Alignment Measurements”, SAE International Journal of Passenger Cars – Mechanical Systems,  June 2016 9:551-559; doi:10.4271/2016-01-1571, (also presented in 2016 SAE World Congress).
8.    E. Fleischhauer, F. Azimi, P. Tkacik, R. Keanini, and B. Mullany, “Application of particle image velocimetry (PIV) to vibrational finishing”, Journal of Materials Processing Technology, Vol. 229, March 2016, Pages 322–328.
9.    S. Hellman, P. Tkacik, M. Uddin, and S. Kelly, “Experimental study comparing racecar aerodynamic downforce-generating devices using scale model NASCAR COT” International Journal of Automotive Technology, Paper no. 220140412, DOI: 10.1007/s12239-016-0028-7.
10.    Keanini, R. G., Tkacik, P. T., Srivastava, N., Thorsett-Hill, K., and Tomsyck, J., “Millisecond-scale shock-train evolution in high pressure ratio nozzles: schlieren imaging and qualitative analysis of shock-boundary layer interaction”, Proceedings of the Institution of Mechanical Engineers, Part G, Journal of Aerospace Engineering, 8 May 2013.
11.    Keanini, R. G., Srivastava, N., Tkacik, P. T., Weggel, D. C., and Knight, P. D. “Stochastic Rocket Dynamics Under Random Nozzle Side Loads: Ornstein-Uhlenbeck Boundary Layer Separation and its Coarse Grained Connection to Side Loading and Rocket Response”, Annalen der Physik 523 (2011) (also uploaded in ArXiv).
12.    Tkacik, P. T., Keanini, R. G., Srivastava, N., and Tkacik, M. P., “Color Schlieren Imaging of High-Pressure Overexpanded Planar Nozzle Flow using a Simple, Low-Cost Test Apparatus”, DOI: 10.1007/s12650-010-0056-8 Journal of Visualization, 2010.    
13.    Srivastava, N., Keanini, R. G., and Tkacik, P.T., “On the influence of nozzle random side-loads on launch vehicle dynamics”, The Journal of Applied Physics, published August 2010.
14.    Keanini, R. G., Srivastava, N., Tkacik, P. T., Weggel, D. C., and Knight, P. D., “Stochastic Rocket Dynamics Under Random Nozzle Side Loads: Ornstein-Uhlenbeck Boundary Layer Separation and its Coarse Grained Connection to Side Loading and Rocket Response”, Cornell University Library, ArXiv 1101.3789, 19 January 2011 (later accepted as Annalen der Physik paper).
15.    Gall R., Tkacik, P.T., and Andrews, M.A., “On the Incorporation of Frictional Effects in the Contact Area – Tire/Ground,” Tire Science and Technology, TSTCA, Vol. 21, No. 1, pp. 2-22, January 1993. Presented at annual conference as well and award received for “Excellence of Presentation and Significance of Content”.
PEER REVIEWED CONFERENCE PROCEEDINGS AND TRANSACTIONS
16.    Deodhar, N., Vermillion, C., and Tkacik, P., “A Case Study in Experimentally-Infused Plant and Controller Optimization for Airborne Wind Energy Systems”, Proceedings of the American Control Conference 2015: 2371-2376 , Chicago, IL, July 2015
17.    Uddin, M., Hellman, S. E., Tkacik, P. T., Kelly, S., “Experimental Investigations on Racecar Spin-Aero Using Scale Model NASCAR COT”, Proceedings of the 13th Asian Congress of Fluid Mechanics, Dhaka, Bangladesh, 17-21 December 2010.
PEER REVIEWED CONFERENCE AND SYMPOSIUM PRESENTATIONS
18.    Engelbrecht, J., Martin, T., Gulve, P., Chandrashekar, N., Dwivedi, A., Merrill, Z., and Tkacik, P.T., “Heavy Truck Trailer Tire Skid Wear as a Function of ABS Brake Configuration”, 2017 SAE World Congress, 2017-01-1503, Detroit, MI.
19.    Carpenter, Z., Gholston, A., Cobb, B.J., Kennedy, S., Blankenship, E., Uddin, M., Nukula, S. P. K., and Tkacik, P.T., “A Low Cost Rolling Road for Conducting Flow Measurements around a Tire in a Small Eiffel Wind Tunnel, 2017 SAE World Congress, 2017-01-1504, Detroit, MI.
20.    Eric Fleischhauer, Jerry L. Dahlberg, Tucker T. Bisel, Peter T. Tkacik, and Samuel Hellman, “Volumetric Methods for Wake Objects Using an Asymmetric Camera Configuration”, The 55th AIAA Aerospace Sciences Meeting, AIAA Science and Technology Forum and Exposition 2017, Grapevine, TX, AIAA SciTech Forum, (AIAA 2017-1644), Jan 2017
21.    Lim, J. H., and Tkacik P. T., “Invisible Cultural Barriers: Faculty/Staff and Student Veterans’ Contrasting Perspectives on Student Veterans’ Transition” ASHE 2017 Annual Conference (accepted).
22.    T. Martin, O. Wells, P. T. Tkacik, “Effect of Anti-Lock Braking System Placement on Skid Wear in Heavy Truck Tires”, The 2016 Tire Society Conference, Akron OH, September 2016.
23.    O. Ali, M. I. Ikram, P. T. Tkacik, “Influence of Road Impact Profile on Tire Deformation”, The 2016 Tire Society Conference, Akron OH, September 2016.
24.    Lim, J. H., Tkacik P. T., Interiano, C. G., Dahlberg, J. L., and Nowell, C. E., “Engineering as a Pathway to Reintegration: Student Veterans’ Transition Experience into Higher Education and Civilian Society” ASEE 123rd Annual Conference & Exposition, June 26-29, 2016.
25.    Tkacik, P., Casino, M., Noakes, D., Kauffman, N., Rohwedder, D., Popat, J., Nabar, A., and Patel, H., “A Statistical Study of Operator Variables on Vehicle Wheel Alignment Measurements”, 34th Tire Science & Technology Conference, Akron, OH, September 2015.
26.    F. Azimi, E. Fleischhauer, P. Tkacik, R. Keanini ,B. Mullany, “Correlations Between Media-Workpiece Contact Modes Occurring During Vibrational Finishing and the Resulting Workpiece Topography”, 15th International Conference on Metrology and Properties of Engineering Surfaces, Charlotte, NC, March 2015.
27.    Deese, J., Muyimbwa, T., Deodhar, N., Vermillion, C., and Tkacik, P., “Lab-Scale Characterization of a Lighter-Than-Air Wind Energy System-Closing the Loop”, 22nd AIAA Lighter-Than-Air Systems Technology Conference, Aviation Forum 2015.
28.    Deodhar, N., Vermillion, C., and Tkacik, P., “A Case Study in Experimentally-Infused Plant and Controller Optimization for Airborne Wind Energy Systems”, 2015 American Control Conference, Chicago, IL, July 2015 (Later accepted into the Proceedings)
29.    Lim, J. H., Tkacik, P. and MacLeod. B., “First year experience of minority male and female engineering students” The American Educational Research Association, annual meeting, San Francisco, CA, April 2013.
30.    Tkacik, P.T., and Lim, J., “Gendered Socialization during the First Semester: Contrasting Experiences of Male and Female Transfer/Non-traditional Engineering Students”, ASEE 119th Annual Conference & Exposition, San Antonio, Texas, June 2012.
31.    Bowen, J., Tkacik, P.T., and Warren, K., “Combining Hands-On Design, Engineering Analysis, and Computer Programming in a Freshman Civil and Environmental Engineering Course”, ASEE 118th Annual Conference & Exposition, Vancouver, B. C., June 2011.
32.    Lim, J., Tolley, P. A., Warren, K., and Tkacik, P.T., “The Freshman Engineering Experience: Results from a Mixed-Method Evaluation Study”, ASEE 118th Annual Conference & Exposition, Vancouver, B. C., June 2011.
33.    Hellman, S. E., Tkacik, P. T., Uddin, M., Kelly, S., “Experimental Analysis of Flow Past NASCAR COT Rear Wing Versus Spoiler Traveling Forward and Backwards using PIV Measurements and Flow Visualization”, 11MSEC-0015, 2011 Society of Automotive Engineers World Congress, April 2011.
34.    Buskirk, B. C., Tkacik, P.T., and Horton, J., “Vehicle Transmission Inertia Test Protocol”, 11MSEC-0016, 2011 Society of Automotive Engineers World Congress, April 2011.
35.    Hellman, S. E., Tkacik, P. T., Uddin, M., Kelly, S., “PIV Analysis Comparing Aerodynamic Downforce Devices on Race Car in Water Tunnel”, 63rd Annual Meeting of the American Physical Society-Division of Fluid Dynamics, Long Beach, CA, December 2010.
36.    Hellman, S. E., and Tkacik, P. T., “PIV visualization of flow over race car body in water tunnel”, 63rd Annual Meeting of the American Physical Society-Division of Fluid Dynamics, Gallery of Fluid Motion (Poster), Long Beach, CA, December 2010.
37.    Tkacik, P. T., Baseda, D., Hellman, S. E., Srivastava, N., Keanini, R. G., and Tkacik, M. P., “Color Schlieren Imaging of Internal Shock Structure in Super Sonic Planar Rocket Nozzle”, 63rd Annual Meeting of the American Physical Society-Division of Fluid Dynamics, Gallery of Fluid Motion (Poster), Long Beach, CA, December 2010.
38.    Tkacik, P. T., Baseda, D., Hellman, S. E., Srivastava, N., Keanini, R. G., and Tkacik, M. P., “Color Schlieren Imaging of Shock Diamonds of Air Jet from Nozzle”, 63rd Annual Meeting of the American Physical Society-Division of Fluid Dynamics, Gallery of Fluid Motion (Poster), Long Beach, CA, December 2010.
39.    Kadire, N. R., Tkacik, P.T., Merrill, Z. A. and Nimmagadda, P., “Sensing Proximity to Trailer Rollover: Theoretical and Experimental Analysis”, 2009 SAE Commercial Vehicle Engineering Congress and Exhibition October 2009.
40.    Nimmagadda, P., Tkacik, P.T., Merrill, Z. A. and Kadire, N. R., “Human Sensitivity in Forced Feedback Systems as a Function of Frequency and Amplitude of Steering Wheel Vibrations”, 2009 SAE Commercial Vehicle Engineering Congress and Exhibition October 2009.   
41.    Tkacik, P.T., Hellman, S., “Design and Construction of the UNC Charlotte Water Tunnel”, 2008 SAE Motorsports Conference, December 2008.
42.    Tkacik, P.T., “Racing to Learn Engineering”, Proceedings of the 2008 ASEE Zone 1 Conference, West Point, NY, April 2008
43.    Gall, R. and Tkacik, P.T., “On the Incorporation of Frictional Effects in the Contact Area – Tire/Ground”, presented at the First National Congress on Computational Mechanics, Chicago Ill, July 1991.
INVITED SEMINARS
44.    Tkacik, P. T., “Keynote Speaker” for the NC Junior Science & Humanities Symposium designed to challenge and engage students (Grades 9-12) in science, technology, engineering or mathematics (STEM), March 21, 2011.
PUBLICATIONS OUT FOR REVIEW
45.    Lim, J. H., Tkacik P. T., Interiano, C. G., Dahlberg, J. L., and Nowell, C. E., “”Unlearning as Learning? Questioning the Efficacy of Educational Support for Student Veterans”, AERA 2017 Conference San Antonio, TX, April 2017.
46.    Lim, J. H., Nowell, C. E., Interiano, C. G., and Tkacik P. T., “Invisible Cultural Barriers: Faculty/Staff and Student Veterans’ Contrasting Perspectives on Student Veterans’ Transition”, ASHE 2017 Conference San Antonio, TX, April 2017.
BOOKS
47.    Keanini, R. G., Nortey, T. D., Thorsett-Hill, K., Srivastava, N., and Tkacik, P. T., “Shock-induced boundary layer separation and its connection to stochastic rocket ascent”, Book Chapter in “Mass Transfer / Book 3”, by Dr. Prof. Jozef Markoa, InTech open access publishers ISBN 978-953-308-74-5, http://www.intechopen.com/articles/show/title/shock-induced-turbulent-boundary-layer-separation-in-over-expanded-rocket-nozzles-physics-models-ran.
48.    General Reading Nature Book; “Musings of a Carolina Naturalist”, a collection of nature articles from the local newspaper, with stories and watercolor illustrations by the author (me) did not make it through the first review at the UNC Press, Chapel Hill.
49.    Writing book; “A Field Guide to Woody Vines of Eastern North America”.  This effort includes the: botanical research, a complete collection of botanical illustrations, three separate identification keys, a set of identification ‘thumbprints’ index, table of contents, summary of botanical definitions.  Currently at page 228.
50.    Writing a children’s book; “Airport in the Sky – Amelia’s adventure on the US Navy’s real life flying Aircraft Carrier” on the dirigible, the USS Akron, including text and illustrations.  It intertwines an adventure story for a little girl and places it in the context of one of America’s greatest aeronautical accomplishments.  It did not make it through the first review at the UNC Press, Chapel Hill.