Browsing Mechanical and Nuclear Engineering by Author "Bahadori, Amir A."

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Browsing Mechanical and Nuclear Engineering by Author "Bahadori, Amir A."

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  • Wilson, John W.; Slaba, Tony C.; Badavi, Francis F.; Reddell, Brandon D.; Bahadori, Amir A. (2014-09-01)
    A computationally efficient 3DHZETRN code capable of simulating High Charge (Z) and Energy (HZE) and light ions (including neutrons) under space-like boundary conditions with enhanced neutron and light ion propagation was ...
  • Wilson, John W.; Slaba, Tony C.; Badavi, Francis F.; Reddell, Brandon D.; Bahadori, Amir A.
    The computationally efficient HZETRN code has been used in recent trade studies for lunar and Martian exploration and is currently being used in the engineering development of the next generation of space vehicles, habitats, ...
  • Wilson, John W.; Slaba, Tony C.; Badavi, Francis F.; Reddell, Brandon D.; Bahadori, Amir A. (2015-02-01)
    A computationally efficient 3DHZETRN code capable of simulating High charge (Z) and Energy (HZE) and light ions (including neutrons) under space-like boundary conditions with enhanced neutron and light ion propagation was ...
  • Bahadori, Amir A.; Semones, Edward J.; Gaza, Ramona; Kroupa, Martin; Rios, Ryan R.; Stoffle, Nicholas N.; Campbell-Ricketts, Thomas; Pinsky, Lawrence S.; Turecek, Daniel (2016-10-01)
    This report summarizes the data acquired by the Battery-operated Independent Radiation Detector (BIRD) during Exploration Flight Test 1 (EFT-1). The BIRD, consisting of two redundant subsystems isolated electronically from ...
  • Nounu, Hatem; Gaza, Ramona; Lee, Kerry; Bahadori, Amir A. (2016-06-01)
    The Battery-operated Independent Radiation Detector and Radiation Area Monitors ?own on-board the Exploration Flight Test 1 mission provide a unique opportunity to compare vehicle modeling results with both active and ...
  • Kroupa, M.; Bahadori, Amir A.; Campbell-Ricketts, T.; George, S. P.; Stoffle, N.; Zeitlin, C. (2018-10-25)
    It is demonstrated that modern pixel detectors can be utilized as single-layer particle telescopes, offering details of a particle's stopping power evolution surpassing those provided by multi-layer, non-pixelated instruments. ...
  • Cebula, Alan; Gilland, David; Su, Li-Ming; Wagenaar, Douglas; Bahadori, Amir A. (SPIE, 2011-09-15)
    The objective of this work is to develop an improved SPECT camera for dedicated prostate imaging. Complementing the recent advancements in agents for molecular prostate imaging, this device has the potential to assist in ...
  • Wilson, Graham; Bahadori, Amir A.; Bindra, Hitesh (2018-10-01)
    A novel concept of self-propelled, radioactively driven colloids is introduced. The focus of this paper is on assessing the impact of alpha emissions on colloidal kinematics. Using Langevin dynamics and a random walk model, ...
  • Bahadori, Amir A.; Pal Chowdhury, Rajarshi; Kroupa, Martin; Campbell-Ricketts, Thomas; Firan, Ana; Fry, Dan J.; Gaza, Ramona; George, Stuart P.; Pinsky, Lawrence S.; Stoffle, Nicholas N.; Rios, Ryan R.; Zeitlin, Cary J. (2018-02-01)
    The space radiation environment is dominated by heavy charged particles with atomic numbers ranging from 1 to 93, with broad energy spectra that exceed 10 GeV per nucleon. Despite advances in space radiation modeling and ...
  • Wilson, John W.; Slaba, Tony C.; Badavi, Francis F.; Reddell, Brandon D.; Bahadori, Amir A. (2015-11-01)
    The 3DHZETRN code, with improved neutron and light ion (Z (is) less than 2) transport procedures, was recently developed and compared to Monte Carlo (MC) simulations using simplified spherical geometries. It was shown that ...
  • Slaba, Tony C.; Wilson, John W.; Badavi, Francis F.; Reddell, Brandon D.; Bahadori, Amir A. (2014-05-01)
    The computationally efficient HZETRN code has been used in recent trade studies for lunar and Martian exploration and is currently being used in the engineering development of the next generation of space vehicles, habitats, ...
  • Kroupa, M.; Campbell-Ricketts, T.; Bahadori, Amir A.; Empl, A. (2017-03-17)
    We demonstrate techniques to improve the accuracy of the energy calibration of Timepix pixel detectors, used for the measurement of energetic particles. The typical signal from such particles spreads among many pixels due ...

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