Representative Journal Articles
Stochastic rocket dynamics, random nozzle side loads, and Schlieren imaging of high pressure nozzle flows
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Keanini, R. G. Srivastava, N., Tkacik, P. T., Weggel, D. and P. D.Knight (2011) “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, pp. 459-487. Preprint at arxiv:1101.3789 pdf
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Srivastava, N., Tkacik, P. T. and Keanini, R. G. (2010) “Influence of nozzle random side loads on launch vehicle dynamics,” J. Appl Phys., 108, pp. 044911-044911-19. pdf
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Tkacik, P, Keanini, R. G., Srivistava, N. and Tkacik P. (2011) “Color Schlieren Imaging of High-Pressure Overexpanded Planar Nozzle Flow using a Simple, Low Cost Test Apparatus,” J. Visualization, 14, pp. 11-14. pdf
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Keanini, R. G. and Brown, A. (2007) “Scale Analysis and Experimental Investigation of Compressible Turbulent Boundary Layer Separation in Nozzles,” Euro. J. Mech. B – Fluids, 26, pp. 494-510.
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Stochastic and Green’s function methods with applications to nonlinear flow and evolution problems
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Keanini, R. G. (2011) “Green’s function-stochastic methods framework for probing nonlinear problems: Burgers’ equation, nonlinear Shrodinger’s equation, and hydrodynamic organization of near-molecular-scale vorticity,” Annals Phys., 326, pp. 1002-1031. Preprint at arxiv:1007.2125,
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Keanini, R.G. (2007) “Random Walk Methods for Scalar Transport Problems Subject to Dirichlet, Neumann, and Mixed Boundary Conditions,” Proc. Royal Soc. A: Math., Phys., and Engrg., 453, pp. 435-460.
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Keanini, R. G. (2007) “Stochastic solution of nonlinear and nonhomogeneous evolution problems by a differential Kolmogorov equation,” arxiv:0708.3202v1; submitted j. publ.
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Fluid mechanics – secondary streaming and particle agglomeration; waves on coating menisci; shear, buoyancy, and thermocapillary flow in thin fluid collars; plasma boundary layers
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Keanini, R. G. (2000) “Structure and Particle Transport in Second-Order Stokes Flow,” Phys Rev. E, 61, 6606-6620. pdf
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Keanini, R.G., Thompson, J., and Gona, K. (2007) “Linear and Nonlinear Waves on Fiber Coating Entrance Menisci," Far East J. Appl. Math., 28, pp. 173-182. pdf
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Keanini, R.G. (1994) “Thermocapillary, bouyancy and shear-driven flow within thin annular fluid collars,”
Int. J. Heat Mass Transfer, 37, 1579-1591. pdf -
Keanini, R.G. (1995) “Electron Collisionless Layers near Evaporating Plasma-heated Anodes,”
Phys. Rev. E, 52, 4572-4575. pdf
Metallurgical processes and physics; mercury release from dental amalgams
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Keanini, R.G., Watkins, G., Koike, M., and Okabe, T. (2007) “Theoretical study of alpha case formation during titanium casting,” Metallurgical and Materials Transactions B, 38, pp. 729-732.
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Keanini, R.G., Watanabe, K. and Okabe, T. (2005) “Theoretical Model of the Two-Chamber Pressure Casting Process,” Metallurgical and Materials Transactions B, 36, pp. 283-292. pdf
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Okabe, T., Elvebak, B., Carrasco, L., Ferracane, J.L., Keanini, R.G. and Nakajima, H. (2003) “Mercury Release from Dental Amalgams into Continuously Replenished Liquids,” Dental Materials, 19, pp. 38-45.
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Keanini, R.G., Ferracane, J., and Okabe, T. (2001) “Theoretical Models of Mercury Dissolution
from Dental Amalgams in Neutral and Acidic Flows,” Metallurgical and Materials Transactions B, 32B, 409-416. pdf
Precision engineering and experimental methods
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Lawton, K.M., Patterson, S. and Keanini, R.G. (2003) “Direct Contact Packed Bed Thermal Gradient Attenuators: Theoretical Analysis and Experimental Observations,” Rev. Scientific Instruments, 74, pp. 2886-2893. pdf
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Phan, S., Hocken, R.J., Smith,, S.T., and Keanini, R.G. (2002) “Simultaneous Measurement of Spatially Separated Forces Using a Dual-Cantilever Resonance-Based Touch Sensor,” Rev. Sci. Instrum., 73, pp. 318-322. pdf
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Lawton, K.M., Patterson, S., and Keanini, R.G. (2001) “Precision Temperature Control of High-Throughput
Fluid Flows: Experimental and Theoretical Analysis,” J. of Heat Transfer, 123, pp. 796-802. pdf -
Keanini, R.G. and Allgood, C.A. (1996) “Measurement of Time Varying Surface Temperature Fields Using High Frame Rate Visible Imaging CCD Cameras,” Int. Comm. Heat and Mass Transfer, 23, 305-314. pdf
Bioengineering and biophysics – optimization of cryosurgery; fluid flow in bone; growth responses of large fungal plant cells
(Phycomyces)
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Keanini, R.G., Roer, R.D. and Dillaman, R.M. (1995) “A Theoretical Model of Circulatory Interstitial Fluid Flow and Species Transport within Cortical Bone,” J. Biomechanics, 28, 901-914. pdf
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Keanini, R.G. and Rubinsky, B. (1992) “Optimization of Multiprobe Cryosurgery,” J. Heat Transfer,
114, 796-801. pdf -
Ortega, J.K.E., Zehr, E.G. and Keanini, R.G. (1989) “In vivo creep and stress relaxation experiments to determine the wall extensibility and yield threshold for the sporangiophores of Phycomyces,” Biophys. J.,
56, 465-475. pdf -
Ortega, J.K.E., Manica, K.J. and Keanini, R.G. (1988) “Phycomyces:turgor pressure behavior during the light and avoidance growth responses,” Photochemistry and Photobiology, 48, 697-703. pdf
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Ortega, J.K.E., Keanini, R.G. and Manica, K.J. (1988) “Pressure probe technique to study transpiration in Phycomyces sporangiphores,” Plant Physiol., 87, 11-14. pdf
Inverse methods and application
to materials processing problems; materials processing
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Ling, X., Keanini, R.G. and Cherukuri, H.P. (2005) “A modified sequential function specification finite element-based method for parabolic inverse heat conduction problems," Computational Mechanics, 36, pp. 117-128. pdf
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Ling, X., Keanini, R.G. and Cherukuri, H.P. (2003) “A Noniterative Finite Element Method for Inverse Heat Conduction Problems,” Int. J. Numerical Methods in Engrg., 56, pp. 1315-1334.
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Keanini, R.G. (1999) “An Implicit Method for Reconstructing Dynamic Three-dimensional Phase Boundaries Under Low Peclet Number Conditions,” Int. J. Heat and Mass Transfer, 42, 1863-1884.
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Keanini, R.G. (1998) “Inverse Estimation of Surface Heat Flux Distributions During High Speed Rolling Using Remote Thermal Measurements,” Int. J. Heat and Mass Transfer, 41, 275-285.
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Keanini, R.G. and Desai, N.N. (1996) “Inverse Finite Element Reduced Mesh Method for Predicting Multi-dimensional Phase Change Boundaries and Nonlinear Solid Phase Heat Transfer,” Int. J. Heat and Mass Transfer, 39, 1039-1051. pdf
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Johnson, R.E. and Keanini, R.G. (1998) “An Asymptotic Model of Work Roll Heat Transfer in Strip Rolling,” Int. J. Heat and Mass Transfer, 41, 871-879. pdf