OC-1: Rangel, R. H., Ortiz, M., Campo, A. (1981). Pseudo Bond-Graph Modeling of the Graetz Problem and its Comparison with Finite-Difference Approach. Second National Symposium on Numerical Methods in Heat Transfer, Maryland.
OC-2: Rangel, R. H., Campo, A., Jarrin, A. (1982). Prediction of the Bulk Temperature of a Forced Convective Flow in a Heating Section. First Latin American Congress of Heat and Mass Transfer, Buenos Aires, Argentina.
OC-3: Rangel, R. H., Campo, A., Chow, L. (1984). Analysis of Coupled Conductive- Convective Problems. International Conference on Numerical Methods for Transient and Coupled Problems, Venice, Italy.
OC-4: Rangel, R. H., Treviño, C., Fernandez-Pello, A. C. (1984). Mixed-Convective Film Boiling from a Horizontal Cylinder. Proceedings of the Tenth Congress of the National Engineering Academy, (pp. 242-247). Ciudad Obregon, Mexico.
OC-5: Rangel, R. H., Fernandez-Pello, A. C. (1984). Mixed-Convective Droplet Combustion with Internal Circulation. Spring Meeting of the Western States Section of the Combustion Institute, Boulder, Colorado.
OC-6: Rangel, R. H., Fernandez-Pello, A. C. (1984). An Analysis of Gas-Phase Ignition by a Catalytic Cylindrical Surface. Fall Meeting of the Western States Section of the Combustion Institute, Stanford, California. Paper 84-83. (Also presented at Jornadas sobre Combustion en Motores Termicos, Universidad Politecnica de Madrid, 1984)
OC-7: Rangel, R. H., Campo, A., Lacoa, U., Morales, J. (1985). The Method of Lines as a Teaching Aid in Internal Forced Convection. In Innovative Ideas in Action. ASEE Annual Conference, Atlanta, Georgia. (Poster session).
OC-8: Rangel, R. H., Fernandez-Pello, A. C. (1985). Convective Ignition of a Flat Combustible Surface. In Fall Meeting of the Western States Section of the Combustion Institute. Davis, California. Paper No. 85-43.
OC-9: Rangel, R. H., Sirignano, W. A. (1986). Rapid Vaporization and Heating of Two Parallel Droplet Streams. Spring Meeting of the Canadian and Western States Sections of the Combustion Institute, Banff, Canada. Paper No. 86-22.
OC-10: Rangel, R. H., Sirignano, W. A. (1987). Vaporization Ignition and Combustion of Two Parallel Fuel Droplet Streams. In Proceedings of the Second ASME-JSME Thermal Engineering Joint Conference. Vol. 1, (pp. 27-34). Honolulu, Hawaii.
OC-11: Rangel, R., Sirignano, W. A. (1987). Atomization of Liquid Fuels: Nonlinear Growth of Disturbances at an Interface. Spring Meeting of the Western States Section of the Combustion Institute, Provo, Utah. Paper No. 87-43.
OC-12: Rangel, R. H., Sirignano, W. A. (1987). Two-dimensional Modeling of Flame Propagation in Fuel Stream Arrangements. Spring Meeting of the Western States Section of the Combustion Institute, Provo, Utah. Paper No. 87-48.
OC-13: Rangel, R., Sirignano, W. A. (1988). Unsteady Flame Propagation in a Two-dimensional Spray with Transient Droplet Vaporization. 26th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. 88-0641.
OC-14: Rangel, R. H., Sirignano, W. A. (1988). An Evaluation of the Point Source Approximation in Spray Calculations. Fall Meeting of the Western States Section of the Combustion Institute, Dana Point, California. Paper 88-95.
OC-15: Rangel, R. H., Sirignano, W. A. (1989). The Dynamics of Vortex Pairing and Merging. 27th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. 89-0128.
OC-16: Miralles-Wilhelm, F., Rangel, R. H., Sirignano, W. A. (1989). An Analysis of Molecular Mixing in a Vortical Structure: Bias in the PDF Measurement. 27th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. 89-0482.
OC-17: Sirignano, W. A. , Rangel, R. H. (1989). A Computational Fluid Dynamics Approach to Jet-Blast Atomization Studies. 3rd ILASS-AMERICAS Annual Conference on Liquid Atomization and Spray Systems, Irvine, California.
OC-18: Rangel, R., Sirignano, W. A. (1989). PDF Analysis of Molecular Mixing in Turbulent Flows. SIAM 1989 Annual Meeting, San Diego, California. (Abstract Only).
OC-19: Delplanque, J. P., Megaridis, C. M., Rangel, R. H., Sirignano, W. A. (1989). Modelling of Vaporization-Controlled Incineration of Hazardous Liquid Wastes. First International Congress on Toxic Combustion Byproducts: Formation and Control, Los Angeles, California. (Abstract Only).
OC-20: Nguyen, Q. V., Rangel, R. H., Dunn-Rankin, D. (1989). Measurement and Prediction of Trajectories for Vaporizing Droplet Pairs. Fall Meeting of the Western States Section of the Combustion Institute, Livermore, California. Paper 89-62.
OC-21: Delplanque, J. P., Rangel, R. H. (1989). Thermal Expansion Effects on the Behavior of Vaporizing Fuel Droplet Streams. Fall Meeting of the Western States Section of the Combustion Institute, Livermore, California. Paper 89-63.
OC-22: Rangel, R., Campo, A. (1989). Influence of Axial Wall Conduction on the Heat Removal Capabilities of Circumferential Finned Pipes. Tenth Brazilian Congress of Mechanical Engineering, (pp. 293-296). Rio de Janeiro, Brazil.
OC-23: Rangel, R., Hess, C. F. (1990). Nonlinear Spacial Instability of a Fluid Sheet. 28th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. 90-0118
OC-24: DiStefano, E., Cady, E. C., Rangel, R. H. (1991). Fill of Screen Liquid Acquisition Devices in Low Gravity using a Thermodynamic Vent System Heat Exchanger. AIAA/NASA/OAI Conference on Advanced SEI Technologies, Cleveland, Ohio. Paper No. 91-3540.
OC-25: Rangel, R. H., Lage, P. L. C. (1991). Numerical Computations of Droplet Vaporiation including Radiation Absorption Effects. SIAM 4th International Conference on Numerical Combustion, St. Petersburg, Florida. (Abstract Only).
OC-26: Lage, P. L. C., Rangel, R. H. (1992). On the Role of Internal Radiation Absorption in Single Droplet Vaporization. 30th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. 92-0106.
OC-27: Dang, A. L., Navaz, H. K., Rangel, R. H. (1992). Numerical Analysis of Bipropellant Combustion in Liquid Thrust Chambers by an Eulerian-Eulerian Approach. AIAA/SAE/ASME/ASEE 28th Joint Propulsion Conference and Exhibit, Nashville, Tennessee. Paper No. AIAA 92-3735.
OC-28: Trolinger, J. D., Rangel, R. H., Lal, R. B. (1993). Methodologies for the Micro-Mechanics of Microspheres in a Fluid in Microgravity. Proceedings of the 11th International Symposium on the Unification of Analytical, Computational and Experimental Solution Methodologies in Micromechanics and Microsystems, (pp. 517-534). Danvers, Massachusetts. (Ch. 37).
OC-29: Leiroz, A. J. K., Rangel, R. H. (1994). Numerical Study of Droplet Stream Vaporization. Second UCI Symposium in Advanced Computing. (Abstract Only).
OC-30: Liu, H., Lavernia, E. J., Rangel, R. H. (1994). Modeling of Molten Droplet Impingement on a Non-Flat Surface. ASME Winter Annual Meeting, Multiphase Flow and Heat Transfer in Materials Processing, Chicago, Illinois. Book Number G00914.
OC-31: Sirignano, W. A., Rangel, R. H., Dunn-Rankin, D., Orme, M. E. (1994). Droplet Arrays and Streams. IUTAM Symposium on Mechanics and Combustion of Droplets and Sprays, Tainan, Taiwan. (Keynote Lecture).
OC-32: Trolinger, J. D., Rangel, R. H., Lal, R. B. (1996). Particle Mechanics and G-Jitter Observations in the IML-1 Spaceflight. 34th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. AIAA 96-0504.
OC-33: Leiroz, A. J. K., Rangel, R. H. (1996). Transient Interaction Effects During Droplet Stream Combustion at Zero Reynolds Number. Fall Meeting of the Western States Section of the Combustion Institute, Tempe, Arizona. Paper 96S-019.
OC-35: Delplanque, J. P., Rangel, R. H. (1997). Analytical and Numerical Modeling of Liquid-Metal Droplet Impact, Spreading and Solidification. First International Symposium on Applied Plasma Science, Los Angeles, California.
OC-36: Coimbra, C. F. M., Rangel, R. H. (1999). Spherical Particle Motion in Unsteady Viscous Flows. 37th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. AIAA 99-1031. (Best Paper Award).
OC-37: Trolinger, J. D., Rangel, R. H., Coimbra, C. F. M, Lal, R. B., Witherow, W., Rogers, J. (2000). Space Holography Investigation in a Virtual Apparatus. In The Materials Science Conference. NASA MSFC, Huntsville, Alabama.
OC-38: Ahmed, A. H., Rangel, R., Sobolev, V. V., Guilemany, J. M. (2000). Modelización de la Oxidación en Vuelo de Partículas Metálicas durante la Proyección Térmica (Modeling of in-flight oxidation of metallic particles in thermal spraying). In Ciencia y Tecnología de los Materiales. IBEROMET VI, (pp. 379-386). Barcelona.
OC-39: Coimbra, C. F. M, Rangel, R. H., Trolinger, J. D., Witherow, W. (2001). The Science behind SHIVA: Spaceflight Holography Investigation in a Virtual Apparatus. 39th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. AIAA 2001-0927.
OC-40: Torres, C. R., Castillo, J. E., Rangel, R. H. (2001). Numerical Study of Stratified Flow past a Sphere Inside a Cylinder. In LACAFLUM. V Latin American and Caribbean Congress on Fluid Mechanics, Caracas, Venezuela. Paper No. DHT-6.
OC-41: Torres, C. R., Castillo, J. E., Rangel, R. H. (2001). Stratified Fluid over a Descending Sphere Close to a Rigid Wall. 2001 SIAM Annual Meeting, San Diego, California. (Abstract only).
OC-42: Trolinger, J. D., Rangel, R. H., Coimbra, C. F. M, Witherow, W., Rogers, J. (2001). Hybrid Optical Diagnostics of Particles and Crystal Growth in Fluid in Space. In W. Osten, W. Juptner (Eds.), 4th International Workshop on Automatic Processing of Fringe Patterns. Fringe 2001, Bremen, Germany. Elsevier.
OC-43: Rangel, R., Trolinger, J. D., Coimbra, C. F. M, Castillo, J., Torres, C. (2001). Studies Of Fundamental Particle Dynamics In Microgravity. Microgravity Transport Processes in Fluid, Thermal, Biological and Materials Sciences II, Banff, Alberta, Canada. Paper MTP-01-32.
OC-44: Coimbra, C. F. M, L’Esperance, D., Rangel, R., Trolinger, J. D., (2001). Ground Experiments for SHIVA – Supporting Theory and Experiments for the Spaceflight. Conference and Exhibit on the International Space Station, Paper No. 6962.
OC-45: Trolinger, J., L’Esperance, D., Rangel, R., Coimbra, C., Witherow, W., Rogers, J., Lal, R. (2002). Small Particle Response To Fluid Motion Using Tethered Particles To Simulate Microgravity. Microgravity Materials Science Conference, Huntsville Alabama.
OC-46: Trolinger, J., L’Esperance, D., Rangel, R., Coimbra, C., Witherow, W., Bodiford, M., Patterson, W. (2003). Ground Based and Mock-Up Experiments to Support the ISS Flight Definition Program SHIVA. In Proceedings of the 2003 IEEE Aerospace Conference. Big Sky MT.
OC-47: L’Esperance, D., Trolinger, J. D., Coimbra, C. F. M., Rangel, R. H. (2004). Particle Response to Low Reynolds number Oscillation of a Fluid in Microgravity. 42nd AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. AIAA 2004-1147.
OC-48: Terry, D., Rangel, R. A Jet Exhaust Model for Soot Dispersion and Visibility. In 2005 IEEE Aerospace Conference Proceedings. Big Sky, Montana. Paper 9.0102.
OC-49: Kim, J., Kido, H., Rangel, R., Madou, M. J. (2005). A Centrifuge-based Flow Switching Valve. Nanotech – The 9th Annual European Conference on Micro & Nanoscale Technologies for the Biosciences, Poster Session, Montreaux, Switzerland.
OC-50: Lambert, R. A., Chakraborty, S., Madou, M. J., Rangel, R. (2006). Moving Flap Model for Fast DNA Hybridization in Microchannel Flow. California-Catalonia Alliance for Miniaturization Science and Engineering, Barcelona, Spain. MNE-2006. Paper No. 3.
OC-51: Lambert, R. A., Rangel, R. (2006). Motion of a circular particle in wall-driven flow at low Reynolds numbers. 44th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. AIAA 2006-296.
OC-52: Ardekani, A. M., Rangel, R. (2006). Distributed-Lagrange-Multiplier-based computational method for particulate flow with collisions. APS Fluid Dynamics Conference.
OC-53: Ardekani, A. M., Dabiri, S., Rangel, R. (2007). Modified DLM method for finite-volume simulation of particle flow. 45th AIAA Aerospace Sciences Meeting, Reno, Nevada. Paper No. AIAA 2007.
OC-54: Ardekani, A. M., Rangel, R., Joseph, D. D. (2007). Particle-particle and particle-wall interactions in a second-order fluid. APS.
OC-55: Casadevall, X., Lambert, R. A., Rangel, R., Madou, M. J. (2008). Au/PPY actuators for active micromixing and mass transport enhancement. 12th International Conferenceon Miniaturized Systems for Chemistry and Life Sciences, San Diego, CA. (Paper M12A).
OC-56: Ardekani, A. M., Dabiri, S., Rangel, R. (2009). Deformation of a droplet in a particulate shear flow. Southern California Symposium on Flow Physics.
OC-57: Hernandez F. H., Rangel, R. (April, 2013). Effect of Curvature Estimation on the Nonlinear Oscillation of a Viscous Drop within a Volume-Tracking Framework. 7th Southern California Symposium on Flow Physics, Pasadena, CA.
OC-58: Hernandez F. H., Rangel, R. (April, 2014). Deformation of Fluid and Solid Particles in Shearing Flows. 8th Southern California Symposium on Flow Physics, Los Angeles, CA.