Search Results - "SUPERCRITICAL fluids"

Experimental investigation of heat transfer based supercritical fluid through serpentine tube.

Authors: Ali, Huda Adel Hassan Jaddoa, Ameer Abed Alkhasraji, Jafaar Mohammed Daif

Source: AIP Conference Proceedings. 2025, Vol. 3350 Issue 1, p1-21. 21p.

Subject Terms: *HEAT transfer, *SUPERCRITICAL fluids, *FLOW velocity, *CARBON dioxide, *BUOYANCY, *THERMOPHYSICAL properties, *TUBES

The Widom line in two- and three-dimensional fluids: Similarities and differences.

Authors: Fomin, Yu. D. Tsiok, E. N. Ryzhov, V. N.

Source: Journal of Chemical Physics; 11/7/2025, Vol. 163 Issue 17, p1-11, 11p

Subject Terms: THERMODYNAMICS, VORONOI polygons, SUPERCRITICAL fluids, THREE-dimensional flow, METHANOL

Unraveling structural evolution of crumb rubber derived from end-of-life tires in supercritical fluid environments.

Authors: Li, Jin Wang, Jiayu Alae, Mohsen et al.

Source: Journal of Polymer Research. Oct2025, Vol. 32 Issue 10, p1-13. 13p.

Subject Terms: *CRUMB rubber, *SUPERCRITICAL fluids, *DEPOLYMERIZATION, *ASPHALT modifiers, *WASTE tires, *LIQUID carbon dioxide, *THERMAL stability, *MORPHOLOGY

Heat Transfer in a Supercritical-Pressure Liquid Under Pulse Heating: Model for a Wide Range of Pressures and Temperatures.

Authors: Melkikh, A. V. Ryutin, S. B. Skripov, P. V.

Source: International Journal of Thermophysics. Oct2025, Vol. 46 Issue 10, p1-13. 13p.

Subject Terms: *HEAT transfer, *SUPERCRITICAL fluids, *HEAT pulses, *SIMULATION methods & models, *FLUID dynamics, *THERMAL engineering, *CRITICAL temperature, *THERMAL resistance

Experimental and numerical investigation of heat transfer deterioration in upward vertical flow of supercritical hydrocarbon fuel.

Authors: Li, Shuai Sun, Mingrui Zhang, Xiaokai et al.

Source: Physics of Fluids. Oct2025, Vol. 37 Issue 10, p1-15. 15p.

Subject Terms: *HEAT transfer, *SUPERCRITICAL fluids, *THERMAL conductivity, *FLUID flow, *COMPUTER simulation, *HEAT radiation & absorption, *THERMAL stresses

Proposal of a turbulent Prandtl number model for predicting heat transfer deterioration in supercritical flows.

Authors: Murugan, Thamilmani Agrawal, Amit Saha, Sandip K.

Source: Physics of Fluids. Sep2025, Vol. 37 Issue 9, p1-18. 18p.

Subject Terms: *SUPERCRITICAL fluids, *TURBULENT heat transfer, *THERMAL conductivity, *HEAT transfer coefficient, *BUOYANCY, *TURBULENT flow, *THERMOPHYSICAL properties

Experimental evidence of non-equilibrium phase separation in supercritical fluids.

Authors: Lee, Juho Kim, Yeonguk Jang, Jong Dae et al.

Source: Communications Physics. 8/21/2025, Vol. 8 Issue 1, p1-7. 7p.

Subject Terms: *SUPERCRITICAL fluids, *PHASE separation, *INDUSTRIAL applications, *SIMULATION methods & models, *NONEQUILIBRIUM thermodynamics, *FLUID dynamics, *SMALL-angle neutron scattering

Enhancing methyldopa solubility via green supercritical fluid techniques using ethanol co-solvent.

Authors: Alotaibi, Hadil Faris Mohammad, Suleiman Ibrahim Vasudevan, Asokan et al.

Source: Scientific Reports. 8/13/2025, Vol. 15 Issue 1, p1-13. 13p.

Subject Terms: *SOLUBILITY, *SUPERCRITICAL fluids, *EMPIRICAL research, *SOLVENTS, *ETHANOL, *PENG-Robinson equation, *DRUGS

Metal-free organic synthesis in liquefied gases: achievements and prospects.

Authors: Kuchurov, I. V. Zharkov, M. N. Zlotin, S. G.

Source: Russian Chemical Bulletin. Jul2025, Vol. 74 Issue 7, p1914-1928. 15p.

Subject Terms: *CARBON dioxide, *SUPERCRITICAL fluids, *SUSTAINABLE chemistry, *PHOTOOXIDATION, *NONAQUEOUS solvents, *CATALYSIS, *LIQUEFIED gases, *CHEMICAL reactions

Improving the Long-Term Stability of Carotenoids from Dunaliella Salina Supercritical Fluid Extracts with a New Liposomal Encapsulation Based on Cryogenic and Stirring Processes.

Authors: Amador-Luna, Victor M. Herrero, Miguel Mendoza-Orbaneja, Pablo et al.

Source: Food & Bioprocess Technology. Jul2025, Vol. 18 Issue 7, p6520-6536. 17p.

Subject Terms: *DUNALIELLA salina, *SUPERCRITICAL fluids, *TERPENES, *WEATHER, *CAROTENOIDS

Assessment of Global and Detailed Chemical Kinetics in Supercritical Combustion for Hydrogen Gas Turbines.

Authors: Oleś, Sylwia Mularski, Jakub Pawlak-Kruczek, Halina et al.

Source: Energies (19961073). Jul2025, Vol. 18 Issue 13, p3380. 13p.

Subject Terms: *CHEMICAL kinetics, *SUPERCRITICAL fluids, *COMBUSTION engineering, *COMPUTATIONAL fluid dynamics, *CHEMICAL models, *EMISSION control, *GAS turbines

Structures and transport properties of Mg2SiO4-H2O system under high temperature and pressure: insights for supercritical fluids in deep subduction zones.

Authors: Lu, Yifan Sun, Yicheng Xia, Guoxin et al.

Source: Geochimica et Cosmochimica Acta. Jul2025, Vol. 400, p279-291. 13p.

Subject Terms: *SUPERCRITICAL fluids, *SUBDUCTION zones, *PROPERTIES of fluids, *OCEANIC crust, *MOLECULAR dynamics

The piston effect in supercritical fluids investigated via a reversible–irreversible vector field splitting-based explicit time integration scheme.

Authors: Takács, Donát M. Fülöp, Tamás Kovács, Róbert et al.

Source: Physics of Fluids. Jul2025, Vol. 37 Issue 7, p1-19. 19p.

Subject Terms: *SUPERCRITICAL fluids, *THERMOACOUSTICS, *NUMERICAL solutions to equations, *FINITE difference method, *COMPRESSIBILITY, *TIME integration scheme, *HEAT pulses, *THERMOPHYSICAL properties

Iodine recombination in xenon solvent: Clusters in the gas to liquid-like state transition.

Authors: Mirakhory, M. Majumdar, A. Ihme, M. et al.

Source: Journal of Chemical Physics; 5/21/2025, Vol. 162 Issue 19, p1-12, 12p

Subject Terms: MOLECULAR force constants, CHEMICAL kinetics, SUPERCRITICAL fluids, MOLECULAR clusters, MOLECULAR dynamics

Supercritical Impregnation of Olive Leaf Extract in Poly(L-lactic acid-co-caprolactone) Filaments: An Environmentally Friendly Approach to Obtaining Active Biomedical Materials.

Authors: Montes-Lobato, Juan Ramón Machado, Noelia D. Cejudo-Bastante, Cristina et al.

Source: Polymers (20734360). Jun2025, Vol. 17 Issue 11, p1464. 25p.

Subject Terms: *OLIVE leaves, *SUPERCRITICAL fluids, *BIOMEDICAL materials, *ARID regions, *SOLVENT extraction

Advancements in the Research on the Preparation of Isoamyl Acetate Catalyzed by Immobilized Lipase.

Authors: Guan, Guoqiang Zhang, Yuyang Qian, Jingya et al.

Source: Materials (1996-1944). Jun2025, Vol. 18 Issue 11, p2476. 23p.

Subject Terms: *ENZYME stability, *SUPERCRITICAL fluids, *PHYSISORPTION, *THERAPEUTIC immobilization, *ORGANIC solvents

稠油油藏注超临界多元热流体开发相渗曲线特征.

Alternate Title: The characteristics of relative permeability curves in the development of heavy oil reservoirs using supercritical multi-thermal fluid.

Authors: 董明达 高宇 严文德 et al.

Source: Science Technology & Engineering. 2025, Vol. 25 Issue 14, p5830-5839. 10p.

Subject Terms: *HEAVY oil, *SUPERCRITICAL fluids, *CONTACT angle, *PETROLEUM reservoirs, *OIL sands, *HYDROPHILIC interactions, *OIL field flooding

Separation Approaches and Practices for the Fractionation of Heavy Crude Oils and Residues: Where Do We Stand?

Authors: Pripakhaylo, Artem V. Magomedov, Rustam N. Foteeva, Lidia S. et al.

Source: Separation & Purification Reviews. May2025, p1-14. 14p. 12 Illustrations.

Subject Terms: *HEAVY oil, *SUPERCRITICAL fluids, *ASPHALTENE, *FOULING, *PETROLEUM production, *EXTRACTION techniques, *CHROMATOGRAPHIC analysis, *DISTILLATION

Anatomy of the magmatic-hydrothermal system beneath Uturuncu volcano, Bolivia, by joint seismological and petrophysical analysis.

Authors: Ying Liu Kendall, John Michael Haijiang Zhang et al.

Source: Proceedings of the National Academy of Sciences of the United States of America. 5/6/2025, Vol. 122 Issue 18, p1-10. 36p.

Subject Terms: *SUPERCRITICAL fluids, *SEISMIC wave velocity, *SEISMIC tomography, *SEISMIC networks, *SEISMOLOGY

Creation of Solid Dispersions by Rapid Expansion of Supercritical Fluids to Improve the Solubility of Active Pharmaceutical Ingredients (Review).

Authors: Markeev, V. B. Vinogradov, V. P. Sedova, M. K. et al.

Source: Pharmaceutical Chemistry Journal. May2025, Vol. 59 Issue 2, p230-240. 11p.

Subject Terms: *CHEMICAL engineering, *SUPERCRITICAL fluids, *AMORPHOUS substances, *MATERIALS science, *POLYMER solutions, *SUPERCRITICAL carbon dioxide