Publications

2023

Torres, S., D'Orazio, M. N., Hargather, M. J., “Focus enhancement in long schlieren systems using corrector lenses", Applied Optics, 2023, DOI: 10.1364/AO.498240

Purcell, D. C., Hargather, M. J., Hargather, C. Z., “Shear and combustion characterization of printable ammonium perchlorate composite propellant formulations", Propellants, Explosives, Pyrotechnics, 2023, DOI: 10.1002/prep.202300154

Hargather, M. J., Winter, K.O., Kimberley, J., Wei. T., "A comparison of explosively driven shock wave radius versus time scaling approaches", Shock Waves, 2023. https://doi.org/10.1007/s00193-023-01149-y

Torres. S., Vorobiev, O. Y., Robey, R. E., Hargather, M. J., "A study of explosive-induced fracture in polymethyl methacrylate (PMMA)", Journal of Applied Physics, 134:075103, 2023, DOI: 10.1063/5.0160147

Palmer, S., Youngblood, S., Kimberley, J., Hargather, M. J., "In situ measurement of the fragmentation behaviour of Al/PTFE reactive materials subjected to explosive loading, Part 2: Fragment velocity and trajectory measurements", Propellants Explosives Pyrotechnics, 2023, DOI: 10.1002/prep.202200104

Youngblood, S. H., Palmer, S., Avalos-Violante, D. A., Kimberley, J., Hargather, M. J., "In situ measurement of the fragmentation behaviour of Al/PTFE reactive materials subjected to explosive loading, Part 1: Fragment size measurements", Propellants Explosives Pyrotechnics, 2023, DOI: 10.1002/prep.202200103

2022

Peterson, C., Espinoza, V., Hargather, M. J., "Experimental evolution of explosively driven gas clouds in varying confinement", Experiments in Fluids, 63:185, 2022.  DOI: 10.1007/s00348-022-03531-5

Mier, F. A., Hill, S. M. M., Lamb, J., Hargather, M. J., "Quantifications of the interaction between nearby, outwardly angled gas jets", Experiments in Fluids, 63:88 2022.  DOI: 10.1007/s00348-022-03442-5

Mier, F. A., Hill, S. M. M., Lamb, J., Hargather, M. J., "Non-invasive internal pressure measurement of 18650 format lithium ion batteries during thermal runaway", Journal of Energy Storage, 51:104322, 2022.  DOI: 10.1016/j.est.2022.104322

Youngblood, S.H., Hargather, M. J., Morales, R., Phillip, J., Peguero, J., Grubelich, M., Saul, W. V., "Sea level performance of nitrous oxide and ethanol bi-propellant rocket engines", International Journal of Energetic Materials and Chemical Propulsion, DOI: 10.1615/IntJEnergeticMaterialsChemProp.2022038989

2021

Novosselov, I. V., Coultas-McKenney, C. A., Miroshnik, L., Kottapalli, K., Ockerman, B., Manley, T. E., Gardner, M. W., Lareau, R., Brady, J., Sweat, M., Smith, A.R., Hargather, M. J., Beaudoin, S., "Trace explosives sampling for security applications (TESSA) study: Evaluation of procedures and methodology for contact sampling efficiency'', Talanta, 234:122633, 2021, DOI: 10.1016/j.talanta.2021.122633

Wei, T., Hargather, M., J., "A new blast wave scaling'', Shock Waves, 31:231-238, 2021, DOI: 10.1007/s00193-021-01012-y

2020

Peguero, J. C., Forrest, E. C., Knepper, R., Hargather, M. J., Tappan, A. S., Marquez, M. P., Vasiliauskas, J. G., Rupper, S. G., "Refractive imaging of air shock above microscale defects in pentaerythritol tetranitrate (PETN) films", Propellants, Explosives, Pyrotechnics, 2020, DOI: 10.1002/prep.202000029

2019

Winter, K. O., Hargather, M. J., "Three-dimensional shock wave reconstruction using multiple high-speed digital cameras and background-oriented schlieren imaging" Experiments in Fluids, 60:93, 2019. DOI: 10.1007/s00348-019-2738-x

Mier, F. A., Hargather, M. J., Ferreira, S. R., "Experimental quantification of vent mechanism flow parameters in 18650 format lithium ion batteries", Journal of Fluids Engineering, 141:061403-2, 2019.

Skinner, T., Hargather, M. J., Blackwood, J., Hays, M., Bangham, M., "An apparatus
for producing tunable, repeatable, hydrogen-oxygen de agrative blast waves", Shock
Waves, 2019 DOI: 10.1007/s00193-019-00922-2.

2018

Mier, F. A., Bhakta, R., Castano, N., Garcia, J., Hargather, M. J., "Experimental measurement of steady and transient liquid coiling with high-speed video and digital image processing", Fluids, 3:107, 2018. DOI: 10.3390/fluids3040107

2017

Mier, F. A., Morales, R., Coultas-McKenney, C. A., Hargather, M. J., Ostanek, J., "Overcharge and thermal destructive testing of lithium metal oxide and lithium metal phosphate batteries incorporating optical diagnostics", Journal of Energy Storage, 13:378-386, 2017.

Settles, G. S., Hargather, M. J., "A review of recent developments in schlieren and shadowgraph techniques," Measurement Science and Technology, 28:042001, DOI:10.1088/1361-6501/aa5748, 2017.

2016

Tobin, J. D., Hargather, M. J., "Quantitative Schlieren Measurement of Explosively-Driven Shock Wave Density, Temperature, and Pressure Profiles," Propellants, Explosives, Pyrotechnics, DOI: 10.1002/prep.201600097, 2016.

Mier, F. A., Hargather, M. J., "Color gradient background-oriented schlieren imaging," Experiments in Fluids, DOI: 10.1007/s00348-016-2183-z, 2016.

Skaggs, M. N., Hargather, M. J., Cooper, M. A., "Characterizing pyrotechnic igniter output with high-speed schlieren imaging," Shock Waves, DOI: 10.1007/s00193-016-0640-5, 2016.

Giannuzzi, P. M., Hargather, M. J., Doig, G. C., "Explosive-driven shock wave and vortex ring interaction with a propane flame," Shock Waves, DOI: 10.1007/s00193-016-0627-2, 2016.

2014

Craven, B. A., Hargather, M. J., Volpe, J. A., Frymire, S. P., Settles, G. S., "Design of a high-throughput chemical trace detection portal that samples the aerodynamic wake of a walking person," IEEE Sensors, 14:1852-1866, DOI: 10.1109/JSEN.2014.2304538, 2014.

2013

Hargather, M. J., "Background-oriented schlieren diagnostics for large-scale explosive testing," Shock Waves, 23:529-536 DOI: 10.1007/s00193-013-0446-7 2013.

Hargather, M. J., Settles, G. S., Gogineni, S., "Optical diagnostics for characterizing a transitional shear layer over a supersonic cavity," AIAA Journal, 51:2977-2982 DOI: 10.2514/1.J052421 2013.

Young, R. M., Hargather, M. J., and Settles, G. S., "Shear stress and particle removal measurements of a round turbulent air jet impinging normally upon a planar wall," Journal of Aerosol Science, 62:15-25, 2013.

Fulghum, M. R., Hargather, M. J., and Settles, G. S., "Integrated impactor/detector for a high-throughput explosive-trace detection portal," IEEE Sensors Journal, 13:1252-1258, 2013.

2012

Svingala, F. R., Hargather, M. J., and Settles, G. S., "Optical techniques for measuring the shock Hugoniot using ballistic projectile and high-explosive shock initiation," International Journal of Impact Engineering, 50:76-82, 2012.

Hargather, M. J., and Settles, G. S., "A comparison of three quantitative schlieren techniques," Optics and Lasers in Engineering, 50:8-17, 2012.

2011

Hargather, M. J., Lawson, M. J., Settles, G. S., and Weinstein, L. M., "Seedless velocimetry measurements by schlieren image velocimetry," AIAA Journal, 49(3):611-620, 2011.

Hargather, M. J., Staymates, M. E., Madalis, M. J., Smith, D. J., and Settles, G. S., "The internal aerodynamics of cargo containers for trace chemical sampling and detection," IEEE Sensors Journal, 11(5):1184-1193, 2011.

2010

Hargather, M. J. and Settles G. S., "Background-oriented schlieren visualization of heating and ventilation flows: HVAC-BOS," Proceedings of the 14th International Symposium on Flow Visualization, Daegu, Korea, June 2010, paper no. 266.

Hargather, M. J., Settles, G. S., and Madalis, M. J., "Schlieren imaging of loud sounds and weak shock waves in air near the limit of visibility," Shock Waves, 20(1):9-17, 2010.

Hargather, M. J. and Settles G. S., "Natural-background-oriented schlieren imaging," Experiments in Fluids, 48(1):59-68, 2010.

2009

Hargather, M. J. and Settles, G. S., "Laboratory-scale techniques for the measurement of a material response to an explosive blast," International Journal of Impact Engineering, 36:940-947, 2009.

Hargather, M. J. and Settles, G. S., "Retroreflective shadowgraph technique for large-scale flow visualization," Applied Optics, 48(22):4449-4457, 2009.

Hargather, M. J., Lawson, M. J., Settles, G. S., Weinstein, L. M., and Gogenini, S., "Focusing-schlieren PIV measurements of a supersonic turbulent boundary layer," Proceedings of the 47th AIAA Aerospace Sciences Meeting, Orlando, Florida, January 2009, AIAA Paper 2009-69.

2008

Settles, G. S., Hargather, M. J., Lawson, M. J., Bigger, R. P., and Madalis, M. J., "Schlieren imaging of shock waves in air at the extreme weak limit," Proceedings of the 13th International Symposium on Flow Visualization, Nice, France, July 2008, paper no. 277.

Hargather, M. J., Settles, G. S., Dodson-Dreibelbis, L. J., and Liebner, T. J.,"Natural-background-oriented schlieren imaging," Proceedings of the 13th International Symposium on Flow Visualization, Nice, France, July 2008, paper no. 275.

Hargather, M. J., Scaling, Characterization, and application of gram-range explosive charges to blast testing of materials, PhD Thesis, Pennsylvania State University, 2008.

2007

Hargather, M. J., Settles, G. S., and Gatto, J. A., "Optical measurement and scaling of blasts from gram-range explosive charges," Shock Waves, 17(4):215-223, 2007.

Hargather, M. J., Settles, G. S., and Gatto, J. A., "Gram-range explosive blast scaling and associated materials response," Proceedings of the 26th International Symposium on Shock Waves, G�ttingen, Germany, July 2007.

Biss, M. M., Hargather, M. J., Settles, G. S., Dodson, L. J., and Miller, J. D., "High-speed digital shadowgraphy of shock waves from explosions and gunshots," Proceedings of the 26th International Symposium on Shock Waves, G�ttingen, Germany, July 2007.

2006

Hargather, M. J., Settles, G. S., and Gatto, J. A., "Optical measurement, characterization, and scaling of blasts from gram-range explosive charges," Proceedings of the 4th International Aviation Security Technology Symposium, Washington, D.C., November-December 2006.

Hargather, M. J., Settles, G. S., Gatto, J. A., Grumstrup, T. P., and Miller, J. D., "Full-scale optical experiments on the explosive failure of a ULD-3 air cargo container," Proceedings of the 4th International Aviation Security Technology Symposium, Washington, D.C., November-December 2006.

2005

Settles, G. S., Grumstrup, T. P., Miller, J. D., Hargather, M. J., Dodson, L. J., Gatto, J. A., "Full-scale high-speed "edgerton" retroreflective shadowgraphy of explosions and gunshots," Proceedings of the 5th Pacific Symposium on Flow Visualization and Image Processing, Australia, September 2005.

2004

Hargather, M. J., Molecular dynamics simulation of magnetic nanoparticles in a fluid, Honors Thesis, Penn State Behrend, 2004.