Cryocooler based helium liquefier using an active thermosiphon process
Sign Up to like & getrecommendations! Published in 2020 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2020.103040
Abstract: Abstract A helium liquefier with a production capacity of 17.4 L per day at standard temperature and pressure has been developed using a 1.5 W @4.2 K Gifford McMahon cryocooler to study the heat transfer dynamics between the… read more here.
Keywords: helium gas; heat transfer; cryocooler; helium ... See more keywords
Helium-bubble-enhanced disordering of intermetallic phase under irradiation
Sign Up to like & getrecommendations! Published in 2021 at "Materials Characterization"
DOI: 10.1016/j.matchar.2021.111094
Abstract: Abstract Understanding and controlling phase transformations in metals and alloys under irradiation is vital to the design of irradiation-tolerant materials. The L12-ordered intermetallic phase in nickel-based superalloys provides superior high-temperature mechanical properties and corrosion resistance.… read more here.
Keywords: intermetallic phase; phase; irradiation; phase irradiation ... See more keywords
Monitoring of helium gas leakage from canister storing spent nuclear fuel: Radiological consequences and management
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Engineering and Design"
DOI: 10.1016/j.nucengdes.2021.111391
Abstract: Abstract Chloride-induced stress corrosion cracking (CISCC) of canisters has been identified as a potential degradation mechanism requiring ageing management — especially in a marine air environment. Methods for monitoring helium gas leakage from canisters have… read more here.
Keywords: helium; helium gas; canister; gas leakage ... See more keywords
Intense narrowband terahertz pulses produced by obliquely colliding laser pulses in helium gas
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Plasmas"
DOI: 10.1063/5.0142159
Abstract: A practical configuration for generating narrowband terahertz (THz) pulses based on plasma dipole oscillations (PDOs) is studied using two-dimensional particle-in-cell simulations. In this scheme, two slightly detuned laser pulses collide obliquely in a helium gas.… read more here.
Keywords: narrowband terahertz; laser; helium gas; obliquely colliding ... See more keywords
Effect of initial parameter on thermodynamic performance in a liquid oxygen tank with pressurized helium gas
Sign Up to like & getrecommendations! Published in 2019 at "Science and Technology for the Built Environment"
DOI: 10.1080/23744731.2019.1624096
Abstract: Heat and mass transfer occurs among different species during the pressurization process with helium gas in cryogenic storage tanks, for which detailed investigations are necessary. In this article, the influence of initial parameters on the… read more here.
Keywords: helium gas; thermodynamic performance; performance liquid; tank ... See more keywords
Disruption mitigation with high-pressure helium gas injection on EAST tokamak
Sign Up to like & getrecommendations! Published in 2018 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/aaa139
Abstract: High pressure noble gas injection is a promising technique to mitigate the effect of disruptions in tokamaks. In this paper, results of mitigation experiments with low-Z massive gas injection (helium) on the EAST tokamak are… read more here.
Keywords: helium gas; gas injection; gas; high pressure ... See more keywords
Accurate Electron Drift Mobility Measurements in Moderately Dense Helium Gas at Several Temperatures
Sign Up to like & getrecommendations! Published in 2021 at "Atoms"
DOI: 10.3390/atoms9030052
Abstract: We report new accurate measurements of the drift mobility μ of quasifree electrons in moderately dense helium gas in the temperature range 26K≤T≤300K for densities lower than those at which states of electrons localized in… read more here.
Keywords: helium gas; mobility; moderately dense; dense helium ... See more keywords