עומרי
רם
-
דן קאהן, 323
ראש המעבדה לחקר תהליכים מהירים בזרימה
Education
- 2017 – Ph.D, Mechanical Engineering, Ben-Gurion University, Israel.
- 2013 – M.Sc, Mechanical Engineering, Ben-Gurion University, Israel.
- 2011 – B.Sc, Mechanical Engineering, Ben-Gurion University, Israel.
Research Interests
- Experimental fluid mechanics.
- Multiphase Flows.
- Attached and shear layer cavitation.
- Shock and blast wave interaction with porous media.
- Shock reflection phenomena.
- Pollutants dispersion in aquatic environment.
- Measurement in fluid mechanics.
Honors and Awards
- Zuckerman Faculty Scholar, Zuckerman Faculty Scholars STEM Program (2021)
- Fulbright Postdoctoral Fellowship (2017-2018)
- Presentation award, 31st International Symposium on Shock Wave, Nagoya, Japan (2017)
- Rector’s award, Ph.D (2016)
- Presentation award, 30th International Symposium on Shock Wave, Tel Aviv, Israel (2015)
- Yitzhak Ben-Aaron Hacohen award (2014)
- Adams Ph.D fellowship (2014-2017)
- Micron Semiconductors award (2014)
- Dean’s award, M.Sc (2014)
- Udi Ben-Amitai award (2014)
- Negev- Faran Ph.D Fellowship(2014-2017)
- Best B.Sc Graduation project (2012)
- Dean’s award, B.Sc (2010)
- Eli Zehavi award (2010)
- Graduated with excellence (Magna cum laude), M.Sc., Ben-Gurion university (2013)
- Graduated with excellence (Summa cum laude), B.Sc., Ben-Gurion university (2011)
Selected Publications
- O. Ram, K. Agarwal, J. Katz, “On the mechanisms that sustain the inception of attached cavitation”, Journal of Fluid Mechanics – Rapids, 901, R4, 2020.
- O.Ram, J. Katz “Persistent thin water films encapsulate oil droplets crossing an oil-water interface” Chemical Engineering Journal, 387, 2020,.
- O. Ram, O Sadot, “On the pressure buildup behind an array of perforated plates impinged by a normal shock wave”, Experimental Thermal & Fluid Science,96, pp. 211-221, 2018.
- M.Geva, O.Ram, O.Sadot, “Geometrical dependence of transition from regular reflection to Mach reflection and Mach stem growth over convex surfaces” Journal of Fluid Mechanics,837, pp.48-79, 2018,.
- A. Zuckerman, O. Ram, G. Ifergane, M.A. Matar, R. Sagi, I. Oshfeld, J.R. Hoffman, Z. Kaplan, O. Sadot, H. Cohen. “Controlled low-pressure blast-wave exposure causes distinct behavioral and morphological responses modelling mTBI, PTSD and co-morbid mTBI-PTSD”, Journal of Neurotrauma, 34(1), pp. 145-164, 2017.
- O. Ram, E. Nof, O.Sadot. “Dependence of the load penetrating into a structure on initial conditions and internal geometry”, Experimental Thermal & Fluid Science, 78, pp. 65-74, 2016.
- O. Sadot, O. Ram, I. Anteby, S. Gruntman, G. Ben-Dor. "The trapped gas effect on the dynamic compressive strength of light aluminum foams". Materials Science & Engineering A, 659, pp. 278-286, 2016.
- O. Ram, O. Sadot. “Analysis of the pressure buildup behind rigid porous media impinged by shock waves in time and frequency domains”. Journal of Fluid Mechanics, 779, pp. 842-858, 2015.
- O. Ram, M. Geva, O. Sadot, “High spatial and temporal resolutions study of shock wave reflection over a coupled convex-concave cylindrical surface”, Journal of Fluid Mechanics, 768, pp. 219-239, 2015.
- O. Ram, O. Sadot, “A simple constitutive model for predicting the pressure histories developed behind rigid porous media impinged by shock waves”, Journal of Fluid Mechanics, 718, pp. 507-523, 2013 .
- M. Geva, O. Ram, O. Sadot, “Non-stationary hysteresis shock wave reflection phenomenon”, Journal of Fluid Mechanics-Rapid, 732, R1, 2013.
- O. Ram, O. Sadot, "Implementation of exploding wires technique to blast wave-structure interaction", Experiments in Fluids, 53, 5, pp. 1335-1345, 2012.
תחומי מחקר
- מחקר ניסויי בזרימה
- זרימה רב פאזית
- קוויטציה בזורם ובשכבות גבול
- אינטראקציית גלי הלם והדף עם חומרי פורוזיביים
- תופעות החזרת גלי הלם
- היווצרות ופיזור מזהמים
- שיטות מדידה במערכות זורם
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