Results 41 to 50 of about 26,049 (238)

Benchmark of ReaxFF Force Field for Subcritical and Supercritical Water [PDF]

open access: yes, 2018
Water in the subcritical and supercritical states has remarkable properties that make it an excellent solvent for oxidation of hazardous chemicals, waste separation, and green synthesis.
Hegoi, Manzano   +5 more
core   +1 more source

Positive Solutions for Slightly Subcritical Elliptic Problems Via Orlicz Spaces

open access: yes, 2022
"Correction to: Positive solutions for Slightly subcritical elliptic problems via Orlicz Spaces" puede consultarse en: https://hdl.handle.net/20.500.14352/71664.3This paper concerns semilinear elliptic equations involving sign-changing weight function ...
Rosa Pardo   +4 more
core   +1 more source

SubcriticalWater – a Perspective ReactionMedia for Biomass Processing to Chemicals: Study on Cellulose Conversion as aModel for Biomass [PDF]

open access: yes, 2013
Biomass and water are recognized as a key renewable feedstock in sustainable production of chemicals, fuels and energy. Subcritical water (SubCW), or commonly referred as hot compressed water (HCW), is the water above boiling and below critical point (CP;
Škerget, M., Knez, Ž., Pavlovič, I.
core   +1 more source

Comparative evaluation of extraction methods for fragrant semen Trichosanthis oil: Cold pressing, conventional solvent, subcritical n-butane and supercritical CO2

open access: yesFood Chemistry: X
The physicochemical properties, chemical compositions, antioxidant activities, and volatile profiles of fragrant Semen Trichosanthis oil (FSTO) extracted by cold pressing (CP), solvent extraction (SE), subcritical n-butane extraction (SBE), and ...
Ling-Biao Gu   +9 more
doaj   +1 more source

The pulsed subcritical amplifier of neutron flux driven by high-intensity neutron generator [PDF]

open access: yesNuclear Technology and Radiation Protection, 2019
The subcritical reactor driven by external neutron source could apply as useful instrument for modern nuclear energy applications requiring high-level irradiation of different materials by the high-energy and high-intense neutron flux (e. g.
Babenko Vladimir   +2 more
doaj   +1 more source

Novel hybrid pilot experiment proposal for a fusion-fission subcritical coupled system [PDF]

open access: yes, 2021
Fusion-fission hybrid systems (FFH) represent a coupling between a fusion device and a subcritical fission reactor driven by neutrons produced by fusion reactions.
R. Gatto   +8 more
core   +1 more source

Numerical Model of Air Valve For Computation of One-dimensional Flow [PDF]

open access: yesTransactions of the VŠB-Technical University of Ostrava, Mechanical Series, 2014
The paper is focused on a numerical simulation of unsteady flow in a pipeline. The special attention is paid to a numerical model of an air valve, which has to include all possible regimes: critical/subcritical inflow and critical/subcritical outflow of ...
Daniel HIMR
doaj   +1 more source

Subcritical crack propagation in glacial quarrying during subglacial water pressure variation

open access: yesJournal of Glaciology, 2023
Glacial quarrying stems from the fracturing of subglacial bedrock. Much evidence shows that subcritical crack propagation of bedrock is closely related to subglacial water pressure fluctuations.
Lin Li, Yipeng Huang, Ningchuan Su
doaj   +1 more source

Kinetics of Formic Acid Decomposition in Subcritical and Supercritical Water - A Raman Spectroscopic Study [PDF]

open access: yes, 2019
The decomposition of formic acid is studied in a continuous sub- or supercritical water reactor at temperatures between 300 and 430°C, a pressure of 25 MPa, residence times between 4 and 65 s, and a feedstock concentration of 3.6 wt%.
Brian, Pinkard   +5 more
core   +1 more source

Experimental Assessment of a Helical Coil Heat Exchanger Operating at Subcritical and Supercritical Conditions in a Small-Scale Solar Organic Rankine Cycle

open access: yesEnergies, 2017
In this study, the performance of a helical coil heat exchanger operating at subcritical and supercritical conditions is analysed. The counter-current heat exchanger was specially designed to operate at a maximal pressure and temperature of 42 bar and ...
Marija Lazova   +5 more
doaj   +1 more source

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