- Ahn, Y.J., Musta, M., Sirohi, J. and Clemens, N.T.,
**“Effect of Shock Strength and Mach Number on the Unsteady Dynamics of Shock/Boundary-Layer Interaction,”**to be submitted to the Journal of Fluid Mechanics, 2024. - Eitner, M., Ahn, Y.J., Sirohi, J. and Clemens, N.T.,
**“Vibration Reduction of a Clamped Panel under a Ramp-Induced****Shock/Boundary Layer Interaction through Constrained Layer Damping,”**submitted to the*Journal of Fluids and Structures*, 2024. - Musta, M. and Clemens, N.T., “
**Investigation of the Unsteady Surface Pressure Field under a Mach 2 Compression-Ramp Shock / Boundary-Layer Interaction,”**to be published in*Physics of Fluids*, 2024. - Pham, J., Ghattas, O., Clemens, N.T. and Willcox, K.,
**“Real-time aerodynamic load estimation for hypersonics via strain-based inverse maps,”**to be published in*AIAA Journal*, 2024. - Fries, D., Stark, S.T., Murray, J.S., Clemens, N.T., Varghese, P.L., Bhakta, R. and Kearney, S.P., “
**Simultaneous CARS Measurements of Temperature and Relative CO/N**submitted to the AIAA_{2}Concentration in the Boundary Layer of a Graphite Ablator in an Inductively Coupled Air Plasma Torch,”*Journal of Thermophysics and Heat Transfer*, 2024. - Murray, J.S. and Clemens, N.T.,
**“Two-photon laser-induced fluorescence study of the CO B**^{1}Σ^{+}(v′=0) state in a 4850K plasma plume: modified molecular constants, evidence of predissociation and J′-dependent photoionization,”*Journal of Chemical Physics,*Vol. 160, No. 24, p. 244302 (15 pages), 2024 - Fries, D., Stark, S.T., Murray, J.S., Bhakta, R., Jans, E.R., Clemens, N.T., Varghese, P.L. and Kearney, S.P.,
**“Nitrogen thermometry in an inductively-coupled plasma torch using broadband nanosecond coherent anti-Stokes Raman scattering,”**Applied Optics, Vol. 62, Issue 29, pp. 7560-7570, 2023. - Eitner, M.A., Ahn, Y.J., Musta, M.N., Clemens, N.T., Sirohi, J.,
**“Vibration of a thin panel exposed to ramp-induced shock-boundary layer interaction at Mach 2,”***Journal of Fluids and Structures*, Vol. 119, p. 103894, 2023. - Murphree, Z.R., Combs, C.S., Yu, W.M., Dolling, D.S. and Clemens, N.T.,
**“Physics of Unsteady Cylinder-Induced Shock-Wave/Transitional Boundary-Layer Interactions,”***Journal of Fluid Mechanics*, Vol. 918, A39, pp. 1-27, 2021. - Rafati, S. and Clemens, N.T., “
**Frameworks for investigation of nonlinear dynamics: Experimental study of the turbulent jet**,”*Physics of Fluids*, Vol. 32, Issue 8, p. 085112, 2020. - Eitner, M., Musta, M., Vanstone, L., Sirohi, J., Clemens, N.T.,
**“Modal parameter estimation of a compliant panel using phase-based motion magnification and stereoscopic digital image correlation,”***Experimental Techniques*, 1-10, 2020. - Ranjan, R. and Clemens, N.T.,
**“Insights into flashback-to-flameholding transition of hydrogen-rich stratified swirl flames,”***Proceedings of the Combustion Institute*, to be published 2021. - Vanstone, L. and Clemens, N.T.,
**“Closed-Loop Control of Unstart in a Mach 1.8 Isolator,”***Journal of Propulsion and Power*, Vol. 36, Issue 1, pp. 153-157, 2020. - Combs, C.S. and Clemens, N.T.
**“Simultaneous Scalar and Velocity Imaging in a Mach 5 Boundary Layer,”***AIAA Journal*, Vol. 57, Issue 11, pp. 5054-5060, 2019. - Vanstone, L. and Clemens, N.T.,
**“POD Analysis of Swept Ramp Shock Wave/Boundary Layer Unsteadiness at Mach 2,”***AIAA Journal*, Vol. 57, No. 8, pp. 3395-3409, 2019. - Vanstone L., Clemens N.T.,
**“Structure and Unsteadiness of Swept-Ramp Shock Wave/Turbulent Boundary Layer Interactions,”**In: Sasoh A., Aoki T., Katayama M. (eds)__31st International Symposium on Shock Waves Vol. 1,__pp. 81-93, Springer, 2019. - Vanstone, L., Lingren, J. and Clemens, N.T.,
**“Simple Physics-Based Model for the Prediction**

of Shock-Train Location,”*Journal of Propulsion and Power,*Vol. 34, No. 6, pp. 1428-1441, 2018. - Ranjan, R., Ebi, D. and Clemens, N.T.,
**“Role of inertial forces in flame-flow interaction during premixed swirl flame flashback,”***Proceedings of the Combustion Institute*, Vol. 37, No. 4, pp. 5155-5162, 2019. - Park, O., Burns, R.A. and Clemens, N.T., “
**Relationship between soot and scalar dissipation rate in the soot-inception region of turbulent non-premixed jet flames**,”*Proceedings of the Combustion Institute***,**Vol. 37, No. 1, pp. 1057-1064, 2019. - Herpin, M.,Ebi, D.F., Smyth, H.D.C., Clemens, N.T.,
**“Production and Characterization of Drug Loaded Toroidal Vortices from a Novel Ocular Drug Delivery Device,”***Drug Delivery and Translational Research*, Vol. 8, No. 5, pp. 1139-1151, 2018. - Ebi, D., Ranjan, R. and Clemens, N.T.,
**“Coupling between premixed flame propagation and swirl flow during boundary layer flashback,”***Experiments in Fluids*, Vol. 59, Issue 7, p. 109, 2018. - Vanstone, L., Musta, M., Seckin, S. and Clemens, N.T.,
**“Experimental Study of the Mean Structure and Quasi-Conical Scaling of a Swept Compression-Ramp Interaction at Mach 2,”***Journal of Fluid Mechanics*, Vol. 841, pp. 1-27, 2018. - Vanstone, L., Hashemi, K.E., Lingren, J., Akella, M., Clemens, N.T., Donbar, J. and Gogineni, S.,
**“Closed-Loop Control of Shock-Train Location in a Combusting Scramjet,”***Journal of Propulsion and Power,*Vol. 34, No. 3, pp. 660-667, 2018. - Reising, H.H., KC, U., Clemens, N.T. and Varghese, P.V.,
**“Measurement of mixing-induced thermal non-equilibrium in a supersonic shear layer using spontaneous Raman scattering,”**Physics of Fluids, Vol. 29, 076101 (11 pages), 2017 - Park, O., Burns, R.A., Buxton, O.R.H. and Clemens, N.T.,
**“Mixture fraction imaging in the soot-inception region of turbulent non-premixed jet flames,”***Proceedings of the Combustion Institute*, Vol. 36, Issue 1, pp. 899-997, 2017. - Combs, C.S., Clemens, N.T., Danehy, P.M. and Murman, S.M.,
**“Heat Shield Ablation Visualized using Naphthalene Planar Laser-Induced Fluorescence,”***Journal of Spacecraft and Rockets*, Vol. 54, No. 2, pp. 476-494, 2017. - Combs, C.S., Lochman, B.J. and Clemens, N.T.,
**“Technique for Studying Ablation Products Transport in Supersonic Boundary Layers by using PLIF of Naphthalene,”***Experiments in Fluids*, Vol. 57, Issue 5, pp. 1-14, 2016. - Combs, C.S. and Clemens, N.T.,
**“Naphthalene Laser-Induced Fluorescence Measurements at Low Temperature and Pressure,”***Applied Optics*, Vol. 55, Issue 13, pp. 3656-3669, 2016. - Ebi, D. and Clemens, N.T., “
**Experimental investigation of upstream flame propagation during boundary layer flashback of swirl flames**,”*Combustion and Flame*, Vol. 168, pp. 39-52, 2016. - Ebi, D. and Clemens, N.T.,
**“Simultaneous high-speed 3D flame front detection and tomographic PIV**,”*Measurement Science and Technology*, Vol. 27, Issue 3, pp. 035303, 2016. - Greene, B.R., Clemens, N.T., Magari, P. and Micka, D.,
**“Control of Mean Separation in Shock Boundary Layer Interaction Using Pulsed Plasma Jets,”***Shock Waves*, Vol. 25, Issue 5, pp. 495-505, 2015. - Clemens, N.T. and Narayanaswamy, V.,
**“Low-Frequency Unsteadiness of Shock Wave/Turbulent Boundary Layer Interactions,”***Annual Review of Fluid Mechanics*, Vol. 46, pp. 469-492, 2014. - Burns, R., Koo, H., Raman, V. and Clemens, N.T.,
**“Improved Large-Eddy Simulation Validation Methodology: Application to a Supersonic Inlet/Isolator Flow,”***AIAA Journal,*Vol. 53, No. 4, pp. 817-831, 2015. - Combs, C.S., Clemens, N.T., Danehy, P.M., Bathel, B., Parker, R., Wadhams, T., Holden, M. and Kirk, B.,
**“Planar Laser-Induced Fluorescence of Orion Capsule Reaction Control System Jets in a Shock Tunnel,”***Journal of Spacecraft and Rockets*, Vol. 52, pp. 243-252, Jan. 2015. - Hutchins, K., Akella, M., Clemens, N.T., Donbar, J. and Gogineni, S.,
**“Experimental Identification of Transient Dynamics for Hypersonic Inlet Unstart,”***Journal of Propulsion and Power*, Vol. 30, pp. 1605-1612, 2014. - Valdivia, A., Yuceil, K.B., Wagner, J.L., Clemens, N.T. and Dolling, D.S.,
**“Active Control of Supersonic Inlet Unstart****Using Vortex Generator Jets,”***AIAA Journal*, Vol. 52, pp. 1207-1218, 2014. - Narayanaswamy, V. and Clemens, N.T.,
**“Simultaneous LII and PIV measurements in the soot formation region of turbulent non-premixed jet flames,”**Proceedings of the Combustion Institute, Vol. 34, pp. 1455-1463, 2013. - Gamba, M., Clemens, N.T. and Ezekoye, O.E.,
**“Volumetric PIV and 2D OH PLIF Imaging in the Far-Field of a Low-Reynolds Number Nonpremixed Jet Flame,”***Measurement Science and Technology*, Vol. 24, 024003 (20 pages), 2013. - Donbar, J.M., Hutzel, J.R., Decker, D.D., Hutchins, K.E., Akella, M.R., Clemens, N.T., Zinnecker, A.M. and Serrani, A.,
**“Recent Developments in Scramjet Unstart Control Research,”**The JANNAF Journal of Propulsion and Energetics, Vol. 6, 2013 - Narayanaswamy, V., Raja, L.L. and Clemens, N.T.,
**“Control of Unsteadiness of a Shock Wave / Turbulent Boundary layer Interaction by using a Pulsed-Plasma Jet Actuator,”***Physics of Fluids*, Vol. 24, pg. 076101 (22 pages), 2012. - Narayanaswamy, V., Raja, L.L. and Clemens, N.T.,
**“Method for acquiring pressure measurements in presence of plasma-induced interference for supersonic flow control applications**,**“***Measurement Science and Technology,*Vol. 22, 125107 (11 pages), 2011*.* - Narayanaswamy, V., Burns, R. and Clemens, N.T.,
**“Planar Laser-Induced Fluorescence of Krypton for Scalar Imaging in Supersonic Flows,”***Optics Letters*, Vol. 36, No. 21, pp. 4185-4187, 2011*.* - Marr, K., Clemens, N.T. and Ezekoye, O.E.,
**“Mixing Characteristics and Emissions of Strongly-Forced Non-Premixed and Partially Premixed Jet Flames in Crossflow,”***Combustion and Flame,*Vol. 159, pp. 707-721, 2012. - Narayanaswamy, V., Raja, L.L. and Clemens, N.T.,
**“Control of a shock/ boundary layer interaction by using a pulsed-plasma jet actuator,”***AIAA Journal,*Vol. 50, No. 1, pp. 246-249, 2012. - Hsu, A.,Narayanaswamy, V., Clemens, N. T. and Frank, J.H.,
**“Mixture Fraction Imaging in Turbulent Non-premixed Flames with Two-photon LIF of Krypton,”***Proceedings of the Combustion Institute*, Vol. 33, pp. 759-766, 2011. - Srikant, S., Wagner, J.L., Valdivia, A., Akella, M.R., and Clemens, N.T.,
**“Unstart Detection in a Simplied-Geometry Hypersonic Inlet-Isolator Flow,”***Journal of Propulsion and Power*, Vol 26, No. 5, pp. 1059-1071, 2010. - Wagner, J., Yuceil, K.B., Clemens, N.T.,
**“Velocimetry Measurements of Unstart of an Inlet/Isolator Model in a Mach 5 Flow,”***AIAA Journal*, Vol. 48, no. 9, pp. 1875-1888, 2010. - Meier, W., Boxx, I., Arndt, C., Gamba, M. and Clemens, N.T.,
**“Investigation of Auto-ignition of a Pulsed Methane Jet in Vitiated Air Using High-Speed Imaging Techniques,”***Journal of Engineering for Gas Turbines and Power*, Vol. 133, Issue 2, pp. 021504 – 021509, 2011. - Narayanaswamy, V., Raja, L.L. and Clemens, N.T.,
**“Characterization of a high-frequency pulsed plasma jet actuator,”***AIAA**Journal*, Vol. 48, No. 2, pp. 297-305, February 2010. - Ganapathisubramani, B., Clemens, N.T. and Dolling, D.S.,
**“Low-Frequency Dynamics of Shock-Wave/Boundary-Layer Interactions,”***Journal of Fluid Mechanics*, Vol. 636, pp. 397-425, 2009. - Barve, V.V.,Clemens, N.T. and Ezekoye, O.E.,
**“Soot Reduction in Strongly Forced Lifted CH4-Air Laminar Flames,”***Combustion Theory and Modelling*, Vol. 13, Issue 4, pp. 671–703, 2009. - Wagner, J., Yuceil, K.B., Valdivia, A., Clemens, N.T. and Dolling, D.S.,
**“Experimental Investigation of Unstart in an Inlet/Isolator Model in Mach 5 Flow,”***AIAA Journal*, Vol. 47, No. 6, pp. 1528-1542, 2009. - Shin, J., Clemens, N.T., and Raja, L.L.,
**“Schlieren Imaging of Flow Actuation Produced by Direct-Current Surface Glow Discharge in Supersonic Flows,**”*IEEE Transactions on Plasma Science*, Vol. 36, No. 4, August 2008. - Ganapathisubramani, B., Lakshminarasimhan, K. and Clemens, N. T., “
**Experimental Investigation of Fine Scales in the Far Field of a Turbulent Jet**”*Journal of Fluid Mechanics*, Vol. 598, pp. 141-175, 2008. - Wang, G.-H., Clemens, N.T., Varghese, P.L. and Barlow, R.S., “
**Turbulent Time Scales in a Nonpremixed Turbulent Jet Flame by Using High-Repetition Rate Thermometry,”***Combustion and Flame*, Vol. 152, pp. 317-335, 2008. - Ganapathisubramani, B., Clemens, N. T. and Dolling, D.S., “
**Effects of Upstream Boundary Layer on the Unsteadiness of Shock Induced Separation**,”*Journal of Fluid Mechanics*, Vol. 585, pp. 369-394, 2007. - Shin, J., Narayanaswamy, V., Raja, L.L., Clemens, N.T., “
**Characterization of a Direct-Current Glow Discharge Plasma Actuator in Low-Pressure Supersonic Flow**,”*AIAA Journal*, Vol. 45, No. 7, pp. 1596-1605, 2007. - Ganapathisubramani, B., Lakshminarasimhan, K. and Clemens, N. T., “
**Determination of Complete Velocity Gradient Tensor by using Cinematographic Stereoscopic PIV in a Turbulent Jet**,”*Experiments in Fluids*, Vol. 42, No. 6, pp. 923-939, 2007. - Lakshminarasimhan, K., Clemens, N.T. and Ezekoye, O. A., “
**Mixing Characteristics in Strongly-Forced Nonpremixed Methane Jet Flames**,”*Proceedings of the Combustion Institute,*Vol. 31, Issue 1, Pages 1617-1624, 2007. - Wang, G.H., Barlow, R.S. and Clemens, N.T., “
**Quantification of Resolution and Noise Effects on Thermal Dissipation Measurements in Turbulent Non-premixed Jet Flames**,”*Proceedings of the Combustion Institute*, Vol. 31, Issue 1, Pages 1525-1532, 2007. - Wang, G.-H., Clemens, N.T., Barlow, R.S. and Varghese, P.V., “
**A System Model for Assessing Scalar Dissipation Measurement Accuracy in Turbulent Flows**,”*Measurement Science and Technology*, Vol. 18, pp. 1287-1303, 2007. - Miller, D.A., Gamba, M., Sauer, D., Purvis, T.P., Clemens, N.T. and Williams, R.O., “
**Evaluation of the USP Dissolution Test Method A for Enteric-Coated Articles by Planar Laser Induced Fluorescence**,”*International Journal of Pharmaceutics*, Vol. 330, pp. 61-72, 2007. - Lakshminarasimhan, K., Clemens, N.T. and Ezekoye, O. A., “
**Characteristics of Strongly-Forced Turbulent Nonpremixed Jet Flames,**”*Experiments in Fluids*, Vol. 41, pp. 523-542, 2006. - Ganapathisubramani, B. and Clemens, N. T., “
**A Note on the Effect of Laser Pulse Duration on Particle Image Velocimetry**,” AIAA Journal, Vol. 44, No. 6, pp. 1368-1370, June 2006. - Barve, V.V., Ezekoye, O.A., Clemens, N.T. and Katta, V.R., “
**Numerical Study of the Evolution of Strongly Forced Axisymmetric Laminar Cold-Flow Jets**,”*AIAA Journal*, Vol. 44, No.8, pp. 1742-1752, August 2006. - Ganapathisubramani, B., Clemens, N. T. and Dolling, D.S., “
**Large-Scale Motions in a Supersonic Turbulent Boundary Layer**,”*Journal of Fluid Mechanics*, Vol. 556, pp. 271-282, 2006. - Kothnur, P.S. and Clemens, N.T.,
**“Effects of Unsteady Strain Rate on Scalar Dissipation Structures in Turbulent Planar Jets,”***Physics of Fluids,*Vol. 17, Issue 12, article 125104, 2006. - Wang, G, Clemens, N.T. and Varghese, P.L.,
**“Two-Point, High-Repetition Rate Rayleigh Thermometry in Flames: Techniques to Correct for Apparent Dissipation Induced by Noise,”***Applied Optics*, Vol. 44, Issue 31, pp. 6741-6751, 2005. - Hou, Y.X., Unalmis, O.H., Bueno, P.C., Clemens, N. T. and Dolling, D. S.,
**“Role of Upstream Boundary Layer Velocity Fluctuations on Unsteadiness of Mach 5 Blunt-Fin Interactions,”***AIAA Journal*, Vol. 42, No. 12, pp. 2615-2619, 2004. - Wang, G., Clemens, N.T. and Varghese, P.L.,
**“High-Repetition Rate Measurements of Temperature and Thermal Dissipation in a Nonpremixed Turbulent Jet Flame,”***Proceedings of the Combustion Institute*, Vol. 30, pp. 691-699, 2005. - Unalmis, O. H., Clemens, N. T. and Dolling, D. S.,
**“Cavity Oscillation Mechanisms in High-Speed Flows,”***AIAA Journal,* - Idicheria, C.A., Boxx, I.G. and Clemens, N.T.,
**“Characteristics of Turbulent Nonpremixed Jet Flames under Normal- and Low-Gravity Conditions,” Combustion**and Flame, Vol. 138, pp. 384-400, 2004. - Wang, G.H. and Clemens, N.T.,
**“Effects of Imaging System Blur on Measurements of Flow Scalars and Scalar-Gradients,”**Experiments in Fluids, Vol. 37, pp. 194-205, 2004. - Su, L.K. and Clemens, N.T.,
**“The Structure of Fine-Scale Scalar Mixing in Gas-Phase Planar Turbulent Jets,”***Journal of Fluid Mechanics*, Vol. 488, pp. 1-29, 2003. - Beresh, S.J., Clemens, N.T. and Dolling, D.S.,
**“The Relationship between Upstream Turbulent Boundary Layer Velocity Fluctuations and Separation Shock Unsteadiness,”***AIAA Journal*, Vol. 40, No. 12, pp. 2412-2422, 2002. - Kothnur, P.S., Tsurikov, M.S., Clemens, N.T., Donbar, J.M. and Carter, C.D., “
**Planar Imaging of CH, OH and Velocity in Turbulent Non-Premixed Jet Flames**,”*Proceedings of the Combustion Institute*, Vol. 29, pp. 1921-1927, 2002. - Kim, J. U., Clemens, N.T. and Varghese, P.L., “
**Experimental Study of the Transient Underexpanded Jet Generated by an Electrothermal Capillary Plasma**,”*AIAA Journal of Propulsion and Power,*Vol. 18, No. 6, pp. 1153-1160, 2002. - Kim, J.U., Clemens, N.T. and Varghese, P.L., “
**Characterization of a High-Density Plasma Produced by Electrothermal Capillary Discharge**,”*Applied Physics Letters,*Vol. 80, pp. 368-370, 2002 and Vol. 80, p. 2806, 2002 (Erratum-Gives correct author list). - Clemens, N. T.,
**“Flow Imaging,”**In*Encyclopedia of Imaging Science and Technology*, John Wiley and Sons, New York, 2002. (Get the pdf file here) - Unalmis, O.H., Clemens, N.T. and Dolling, D.S.,
**“Experimental Study of Shear-Layer/Acoustics Coupling in Mach 5 Cavity Flow”***AIAA Journal,* - Kim, J.U., Kim, K., Wilson, D.E., Peterson, D.R. and Clemens, N.T.,
**“Neutralization of Explosives by Plasma Jet Impingement: Feasibility Study,”***IEEE Transactions on Plasma Science*, Vol. 28, No.1, pp. 312, 2000. - Su, L.K. and Clemens, N.T.,
**“Planar Measurements of the Full Three-Dimensional Scalar Dissipation Rate in Gas-Phase Turbulent Flows”***Experiments in Fluids*, Vol. 27, pp. 507-521, 1999. - Rehm, J.E. and Clemens, N.T.,
**“****An Improved Method for Enhancing Resolution of Conventional Double-Exposure Single-Frame Particle Image Velocimetry,”***Experiments in Fluids,*Vol. 26, pp. 497-504, 1999. - Rehm, J.E. and Clemens, N.T.,
**“The Large-Scale Turbulent Structure of Planar Jet Diffusion Flames”***Combustion & Flame*, Vol. 116, pp. 615-626, 1999. - Kohel, J., Su, L.K., Clemens, N.T. and Varghese, P.L.,
**“Emission Spectroscopic Measurements and Analysis of a Pulsed Plasma Jet”***IEEE Transactions on Magnetics*, Vol. 35, p. 201, 1999. - Clemens, N.T. and Smith, M.F.,
**“Observations of Supersonic Flat Plate Wake Transition”***AIAA Journal*, Vol. 36, pp. 1328-1330, 1998. - Lachney, E.R. and Clemens, N.T.,
**“PLIF Imaging of Mean Temperature and Pressure in a Supersonic Bluff Wake,”***Experiments in Fluids,* - Rehm, J.E. and Clemens, N.T.,
**“The Relationship Between Vorticity/Strain and Reaction Zone Structure in Turbulent Non-Premixed Jet Flames”***Twenty Seventh Symposium on Combustion*, pp. 1113-1120, 1998. - Clemens, N.T., Paul, P.H. and Mungal, M.G.,
**“The Structure of OH Fields in High Reynolds Number Turbulent Jet Diffusion Flames”***Combustion Science and Technology,*Vol 129, pp. 165-184, 1997. - Rehm, J.E. and Clemens, N.T.,
**“Hydrogen/Helium Planar Turbulent Diffusion Flames,”***Physics of Fluids*, Vol. 9, No. 9, p. S3, September 1997. - Clemens, N.T., Petullo, S.P. and Dolling, D.S.,
**“Large-Scale Structure Evolution in Supersonic Interacting Shear Layers”***AIAA Journal,*Vol. 34, pp. 2062-2070, 1996. - Clemens, N.T. and Paul, P.H.,
**“****The Effects of Heat Release on the Near Field Flow Structure of Hydrogen Jet Diffusion Flames”***Combustion & Flame*, Vol. 102, No. 3, pp. 271-284, 1995. - Clemens, N.T. and M. G. Mungal,
**“Large-Scale Structure and Entrainment in the Supersonic Shear Layer”***Journal of Fluid Mechanics*, Vol. 284, pp. 171-216, 1995. - Clemens, N.T. and P. H. Paul,
**“Scalar Measurements in Supersonic Axisymmetric Mixing Layers”***Physics of Fluids*, vol. 7, No. 5, pp. 1071-1081, 1995. - Paul, P.H. and Clemens, N.T.,
**“Sub-Resolution Flowfield Mixing Measurements Using Electronic Quenching of NO A**^{2}**S**^{+}**“***Optics Letters*, vol. 18, pp. 161-163, 1993. - Clemens, N.T. and Paul, P.H.,
**“Mach Waves Radiating from a Supersonic Jet,”***Physics of Fluids A*., Vol. 5, pg. S7, 1993. - Clemens, N.T. and Mungal, M.G.,
**“Two- and Three-Dimensional Effects in the Supersonic Mixing Layer”***AIAA Journal*, vol. 30, No. 4, pp. 973-981, 1992. - Clemens, N.T. and Mungal, M.G.,
**“A Planar Mie Scattering Technique for Visualizing Supersonic Mixing Flows”***Experiments in Fluids*, vol. 22, pp. 175-185, 1991. - Clemens, N.T. and Mungal, M.G.,
**“Effects of Side-Wall Disturbances on the Supersonic Mixing Layer,”***Journal of Propulsion and Power*, vol. 8, No. 1, pp. 249-251, 1991.