Numerical optimisation of a micro-wave rotor turbine using a quasi-two-dimensional CFD model and a hybrid algorithm
Sign Up to like & getrecommendations! Published in 2021 at "Shock Waves"
DOI: 10.1007/s00193-020-00979-4
Abstract: Wave rotors are unsteady flow machines that exchange energy through pressure waves. This has the potential for enhancing efficiency over a wide spectrum of applications, ranging from gas turbine topping cycles to pressure-gain combustors. This… read more here.
Keywords: wave rotor; quasi two; pressure; optimisation ... See more keywords
Analysis of a Quasi-Two-Dimensional Flamelet Model on a Three-Feed Non-premixed Oxy-Combustion Burner
Sign Up to like & getrecommendations! Published in 2021 at "Flow, Turbulence and Combustion"
DOI: 10.1007/s10494-021-00274-x
Abstract: Three-feed combustion systems in which fuel gas, oxygen, and diluent ( $$\hbox {CO}_{2}$$ CO 2 ) are issued into a combustor are key components to realize an oxy-fuel type gas turbine in a zero-emission plant.… read more here.
Keywords: third stream; three feed; three models; quasi two ... See more keywords
Quasi-Two-Dimensional Electron–Hole Liquid in Si/SiO2 Quantum Wells
Sign Up to like & getrecommendations! Published in 2018 at "Russian Physics Journal"
DOI: 10.1007/s11182-018-1420-8
Abstract: To calculate the energy and equilibrium density of electron-hole pairs in SiO2/Si/SiO2 quantum wells (QWs), nonlinear Schrödinger equations for electrons and holes were numerically solved. Calculations were carried out for (100) and (111) silicon surfaces… read more here.
Keywords: quasi two; quantum wells; hole; electron hole ... See more keywords
Upper-limit of performance improvement by using (quasi) two-stage vapor compression
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.116426
Abstract: Abstract Both quasi two-stage and two-stage compressions are important ways for improving the energy efficiency of the vapor compression heat pump system, especially for high compression ratio conditions. Many experiments and simulations have been conducted… read more here.
Keywords: improvement; compression; two stage; quasi two ... See more keywords
Bubble behavior in gas–solid bubbling fluidized beds based on EMMS model: Comparison of 2D, Q2D, and 3D simulations
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Research and Design"
DOI: 10.1016/j.cherd.2019.06.009
Abstract: Abstract In this work, bubbling fluidized beds in two-, quasi-two-, and three-dimensional geometries are simulated by the Eulerian–Eulerian two-fluid model (TFM) coupled with an energy minimization multi-scale model. The parameters bubble diameter, bubble vertical velocity,… read more here.
Keywords: gas; bubbling fluidized; quasi two; model ... See more keywords
Magnetic domain structures and their evolution in quasi-two-dimensional ferromagnet Cr5Te8
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2020.167019
Abstract: Abstract The magnetic domain morphology and its evolution process of quasi-two-dimensional (quasi-2D) ferromagnet Cr5Te8 have been studied by microscopic magneto-optic Kerr imaging technique. With variation of external magnetic field, dendritic type domains grow and distribute… read more here.
Keywords: magnetic domain; quasi two; two dimensional; ferromagnet cr5te8 ... See more keywords
Boosting the efficiency of quasi two-dimensional perovskite solar cells via an interfacial layer of metallic nanoparticles
Sign Up to like & getrecommendations! Published in 2019 at "Organic Electronics"
DOI: 10.1016/j.orgel.2019.06.043
Abstract: Abstract Quasi two-dimensional (Quasi-2D) layered perovskites show higher stability with respect to three-dimensional (3D) perovskites. And compared with two-dimensional (2D) perovskites, quasi-2D perovskites exhibit an improvement in power conversion efficiency (PCE) of perovskite solar cells… read more here.
Keywords: solar cells; perovskite solar; quasi two; layer ... See more keywords
Bifurcations in a quasi-two-dimensional Kolmogorov-like flow
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2017.553
Abstract: We present a combined experimental and theoretical study of the primary and secondary instabilities in a Kolmogorov-like flow. The experiment uses electromagnetic forcing with an approximately sinusoidal spatial profile to drive a quasi-two-dimensional (Q2D) shear… read more here.
Keywords: like flow; quasi two; two dimensional; forcing profile ... See more keywords
NASICON Na3V2(PO4)3 Enables Quasi-Two-Stage Na+ and Zn2+ Intercalation for Multivalent Zinc Batteries
Sign Up to like & getrecommendations! Published in 2020 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.0c00004
Abstract: Identifying positive electrode materials capable of reversible multivalent electrochemistry in electrolytes containing divalent ions such as Mg2+, Ca2+, and Zn2+ at high operating potentials remain... read more here.
Keywords: nasicon na3v2; quasi two; po4 enables; na3v2 po4 ... See more keywords
Screening of Excitons by Organic Cations in Quasi-Two-Dimensional Organic–Inorganic Lead-Halide Perovskites
Sign Up to like & getrecommendations! Published in 2022 at "Nano Letters"
DOI: 10.1021/acs.nanolett.2c01306
Abstract: Interlayer organic cations in quasi-two-dimensional halide perovskites are a versatile tuning vehicle for the optoelectronic properties of these complex systems, but chemical intuition for this design route is yet to be established. Here, we use… read more here.
Keywords: two dimensional; quasi two; organic cations; cations quasi ... See more keywords
Observation of Quasi-Two-Dimensional Polar Domains and Ferroelastic Switching in a Metal, Ca3Ru2O7.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b00633
Abstract: Polar domains arise in insulating ferroelectrics when free carriers are unable to fully screen surface-bound charges. Recently discovered binary and ternary polar metals exhibit broken inversion symmetry coexisting with free electrons that might be expected… read more here.
Keywords: metal ca3ru2o7; polar domains; quasi two; microscopy ... See more keywords