Journal publications:
Medina, R., R.L. Detwiler, R. Prioul, W. Xu, and J.E. Elkhoury. Settling and mobilization of sand-fiber proppants in a deformable fracture, Water Resour. Res., in press, 2018. DOI: 10.1029/2018WR023355 (PDF)
Medina, R., R.L. Detwiler, R. Prioul, W. Xu, and J.E. Elkhoury. Effect of flow geometry on the evolution of concentrated suspensions flowing through a fracture, International Journal of Multiphase Flow, Vol 108, pp 80-92, 2018. DOI: 10.1016/j.ijmultiphaseflow.2018.06.014 (PDF)
Medina, R., J.E. Elkhoury, J.P. Morris, R. Prioul, J. Desroches, and R.L. Detwiler. Flow of concentrated suspensions through fractures: small variations in solid concentration cause significant in-plane velocity variations. Geofluids, Vol 15 (1-2) pp 24-36, 2015. DOI: 10.1111/gfl.12109 (PDF)
Medina, R., Menezes, G.B., Ellis, A., and Khachikian, C.S. Use of Flyash as Soil Amendment to Offset Anion Exclusion Effect on Nitrate Transport. Vadose Zone Journal, Vol 14 (4), 2015. DOI: 10.2136/vzj2014.08.0103 (PDF)
Book Chapter:
Medina, R., J.E. Elkhoury, J.P. Morris, R. Prioul, J. Desroches, and R.L. Detwiler. Flow of concentrated suspensions through fractures: small variations in solid concentration cause significant in‐plane velocity variations. Crustal Permeability, T. Gleeson & S. Ingebritsen (Editors), Wiley. 2016. DOI: 10.1002/9781119166573 (PDF)
Conference publications (refereed) & other publications/Presentations:
Medina, R., R.L. Detwiler, R. Prioul, W. Xu, and J.A. Ortega (2016). Fiber-ladden proppant placement in a deformable fracture: influence of fracture-surface roughness. Poster presented at the 2016 Fall Meeting, American Geophysical Union (AGU), San Francisco, CA. (PDF)
Medina, R., R.L, Detwiler, R. Prioul, and J.A. Ortega (2016). Effect of confining stress on sand-fiber proppant placement in a defomable fracture. Paper presented at the 50th Annual U.S. Rock Mechanics Geomechanics Sympossium, American Rock Mechanics Association (ARMA), San Francisco, CA. (PDF)
Medina, R., R.L. Detwiler, R. Prioul, and J.A. Ortega (2015). Proppant distribution in a fracture subjected to normal stress. Poster presented at 2015 Fall Meeting, American Geophysical Union (AGU), San Francisco, CA. (PDF)
Medina, R., J.P. Morris, R. Prioul, J. Desroches, J.A. Ortega and R.L. Detwiler (2015). Flow of high solid volume fraction fluids through fractures and around obstructions. Paper presented at 49th Annual U.S. Rock Mechanics Geomechanics Sympossium, American Rock Mechanics Association (ARMA), San Francisco, CA. (PDF)
Medina, R., J.E. Elkhoury, J.P. Morris, R. Prioul, J. Desroches, and R.L. Detwiler (2014). Flow of dense suspensions through fractures: Significant in-plane velocity variations caused by small variations in solid concentration. Oral presentation at 2014 Fall Meeting, American Geophysical Union (AGU), San Francisco, CA. (PDF)
Medina, R., J.E. Elkhoury, J.P. Morris, R. Prioul, J. Desroches, and R.L. Detwiler (2014). Flow of dense suspensions through fractures: Experimental and computational observation of velocity-field heterogeneity. Paper presented at 48th Annual U.S. Rock Mechanics Geomechanics Sympossium, American Rock Mechanics Association (ARMA), Minneapolis, MN. (PDF)
Medina, R. and Menezes, G. (2014). Use of Flyash as Soil Amendment to Mitigate Nitrate Contamination. Poster presented at 2014 International Conference on Soil and Groundwater Environment, ISEG-KoSSEG, Seoul, Korea. (PDF)
Medina, R., J.E. Elkhoury, J.P. Morris, R. Prioul, J. Desroches, and R.L. Detwiler (2013). Flow and geometry control the onset of jamming with high-solid-fraction fluids. Poster presented at 2013 Fall Meeting, American Geophysical Union (AGU), San Francisco, CA. (PDF)
Medina, R. (2013). A study of a flyash amended soil and its effects on nitrate movement through unsaturated media. Master’s Thesis, California State University Los Angeles. (PDF)
Wong K, Y., Medina, R., and Menezes, G. (2013). Transport of fertilizer-derived nitrate through unsaturated low conductivity soil. Poster presented at 2013 Managing Aquifer Recharge Symposium, Groundwater Resources Association (GRA), Burlingame, CA.
Wong K, Y., Medina, R., and Menezes, G. (2013). Transport of fertilizer-derived nitrate through unsaturated low conductivity soil. Oral presentation at 2013 National and International Conference on Groundwater, National Groundwater Association (NGWA), San Antonio, TX.
Medina, R., Wong K, Y., and Menezes, G. (2012). Transport of fertilizer-derived chemicals through unsaturated soils near coastal areas. Poster presented at Annual Research and Senior Design Exposition, California State University Los Angeles, Los Angeles, CA.
Medina, R., Wong K, Y., and Menezes, G. (2012). Transport of Fertilizer-Derived Chemicals Through Unsaturated Media, in: Proceedings of the XII International Symposium on Environmental Geotechnology, Energy and Global Sustainable Development: Vol. III – Water Sustainability, International Society for Environmental Geotechnology (ISEG). June, 2012. Los Angeles, CA, pp. 299-309 (PDF)
Medina, R., Motamedi, A., Okcay, M., Oztekin, U., Menezes, G., and Pacheco-Vega, A. (2012) On the Implementation of Open Source CFD System to Flow Visualization in Fluid Mechanics. Paper presented at 2012 National Conference, American Society for Engineering Education (ASEE), San Antonio, TX, Paper No. AC 2012-5482. (PDF)
Medina, R., Okcay, M., Menezes, G., and Pacheco-Vega, A (2011). Implementation of Particle Image Velocimetry in the Fluid Mechanics Laboratory. Paper presented at 2011 Pacific South West Conference, American Society for Engineering Education (ASEE), Fresno, CA, USA, pp. 42-50. (PDF)
*(NOTE): Name of presenter is underlined.