Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Catherine E. Johnson"'
Autor:
Rachel L. Bauer, Cody J. Thomas, Everett V. P. Baker, Emily M. Johnson, Kelly R. Williams, Martin J. Langenderfer, Catherine E. Johnson
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Vortex ring collisions have attracted intense interest in both water and air studies (Baird in Proc R Soc Lond Ser Math Phys Sci 409:59–65, 1987, Poudel et al. in Phys Fluids 33:096105, 2021, Lim and Nickels in Nature 357:225, 1992, New et
Externí odkaz:
https://doaj.org/article/beb38824c1934044831d39a26dbeab00
Publikováno v:
Buildings, Vol 13, Iss 2, p 378 (2023)
Demolition projects involving explosives often incorporate cutting charges to sever columns in conjunction with kicker charges that “move” the columns out of alignment. Traditional kicker charges use dynamite secured to the column above a linear-
Externí odkaz:
https://doaj.org/article/93b293d281844a0a902a87ea08ed84f5
Publikováno v:
Heliyon, Vol 6, Iss 9, Pp e04994- (2020)
Unmanned aerial vehicles (UAV) have been used to monitor gas emissions for research projects, though downwash, the airflow produced by the UAV rotors, is potentially capable of artificially altering gas concentration measurements. Anemometers, placed
Externí odkaz:
https://doaj.org/article/5e93bf25fda347e7a5552988f9770acc
Autor:
Hailong Song, Landry M Konan, Jiankun Cui, Catherine E Johnson, Graham K Hubler, Ralph G DePalma, Zezong Gu
Publikováno v:
Neural Regeneration Research, Vol 13, Iss 9, Pp 1516-1519 (2018)
Blast-induced mild traumatic brain injury (mTBI) is of particular concern among military personnel due to exposure to blast energy during military training and combat. The impact of primary low-intensity blast mediated pathophysiology upon later neur
Externí odkaz:
https://doaj.org/article/8373bb7dbab04526a3411b85babc8b3d
Publikováno v:
Propellants, Explosives, Pyrotechnics.
Autor:
Kelly Williams, Catherine E. Johnson
Publikováno v:
Propellants, Explosives, Pyrotechnics.
Autor:
Martin Langenderfer, Catherine E. Johnson, Jeremy Lee Watts, Yue Zhou, William G. Fahrenholtz
Publikováno v:
Ceramics International. 48:4456-4463
Direct reaction of precursors with the products of detonation remains an underexplored area in the ever-growing body of detonation synthesis literature. This study demonstrated the synthesis of silicon carbide during detonation by reaction of element
Publikováno v:
Mining, Metallurgy & Exploration. 38:1789-1800
Unmanned aerial vehicles (UAVs) are being explored by researchers to measure concentrations of gas emissions in situations where such measurements are otherwise extremely difficult to obtain, such as NO and NO2 (NOx) emissions from surface mine blast
Publikováno v:
Shock Waves. 31:175-192
Understanding the physical mechanisms by which blast waves interact with their surroundings is paramount to protecting the safety of armed service personnel and equipment. This study evaluates and discusses modern technology used in blast pressure me
Publikováno v:
Journal of Applied Physics. 131
Detonation synthesis of silicon carbide (SiC) nanoparticles from carbon liberated by negatively oxygen balanced explosives was evaluated in a 23 factorial design to determine the effects of three categorical experimental factors: (1) cyclotrimethylen