Ballistic Modeling and Effects
at ORAU Workforce Solutions

Date Posted: 4/23/2019

Opportunity Description

Numerical Modeling of Reacting Multidimensional Gas/Solid Flows Advisor: Nusca, Michael J. [Click Here To Join]; 410.278.6108) Key words: Fluid Dynamics, Particle Dynamics, Numerical Simulation, Solid Propellant, Reacting Flow, Turbulence This opportunity involves the development and application of computational fluid dynamics (CFD) codes that solve the multiphase, three-dimensional, Navier-Stokes equations for chemically reacting gases and burning solid particles. Applications include flows in which all or some of the following effects are important: solid propellant combustion, gas-phase combustion (including hypergolic), equilibrium and finite-rate chemical kinetics, radiation, diffusion, turbulence, vorticity, liquid droplet combustion, porosity, and compaction. Emphasis is placed on performing original research, model generation, and solving practical problems such as those encountered in modeling solid propellant gun charges (interior ballistics) and solid propellant rocket engines (internal ballistics) for next-generation missile systems. We encourage the development of original CFD codes as well as the use of COTS codes. Computer resources include PC and LINUX workstations, as well as SGI, IBM, and CRAY mainframes. ARL is the site of one of the DOD's Major Shared Resource Centers for high-performance computing. This vast array of computing resources makes the performance of complex CFD simulations feasible. Publications in the open literature and the presentation of papers at appropriate technical meetings and conferences are encouraged. This Research Opportunity aligns with the ARL Sciences for Lethality and Protection Campaign: Ballistics and Blast, in the area of Weapons and Energy Projection. References Schmidt JR and Nusca MJ: JANNAF Journal of Propulsion and Energetics 3(1): 180, 2010 Nusca MJ, et al: Journal of Thermophysics and Heat Transfer 16(1): 157, 2002 Nusca MJ: Journal of Propulsion and Power 18(1): 44. 2002 Nusca MJ, et al: Journal of Advanced Oxidation Technologies 4(3): 271, 1999 Disciplines Sought Ph.D. in Chemical, Mechanical, or Aerospace Engineering, with experience in Computational Fluid Dynamics.

Opportunity Snapshot

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Grooming future leaders in science and technology requires enhancing the skills, knowledge and experience of workers early in their careers. To that end, ORAU (Oak Ridge Associated Universities) assists in connecting the best and most diverse students, recent graduates, faculty and professionals with world-class fellowships, internships and jobs, whether in national laboratories, research institutions, federal government offices or private sector R&D departments.

ORAU works with agencies such as the U.S. Army Research Laboratory (ARL) Research Associateship Program (RAP) allow Postdoctoral Fellows, Journeyman Fellows (undergraduate and graduates students and recent graduates), Senior Researchers, and Summer Faculty engage in research initiatives of their own choice, that are compatible with the interests of the government and will potentially contribute to the general effort of the ARL. We work with the Environmental Protection Agency (EPA) to place recent graduates in full-time and part-time jobs in the Office of Research and Development at EPA under the National Student Services Contract. ORAU also works with Center for Medicare and Medicaid Innovation.

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