Implementation of a CFD model for wall condensation in the presence of non-condensable gas mixtures
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2021.116546
Abstract: Abstract In this paper, we discuss a CFD model to predict vapor condensation on walls in the presence of non-condensable gases, with a specific focus on large scale applications, such as accidental flows in a… read more here.
Keywords: gas; model; presence non; condensation ... See more keywords
Intermediate pressure reboiling in geothermal flash plant for increased power production and more effective non-condensable gas abatement
Sign Up to like & getrecommendations! Published in 2020 at "Energy Reports"
DOI: 10.1016/j.egyr.2019.10.014
Abstract: Abstract Non-condensable gases (NCG) in condensing geothermal flash plants have negative effects as they reduce heat transfer and thus deteriorate vacuum in condenser. Therefore, it is necessary to evacuate the condenser by vacuum pumps which… read more here.
Keywords: turbine; power production; non condensable; geothermal flash ... See more keywords
Microwave-assisted pyrolysis of furfural residue in a continuously operated auger reactor: Characterization and analyses of condensates and non-condensable gases
Sign Up to like & getrecommendations! Published in 2019 at "Energy"
DOI: 10.1016/j.energy.2019.116103
Abstract: Abstract Microwave-assisted pyrolysis of furfural residue (FR) in an auger reactor was conducted. The biochar yield decreased and non-condensable gas yield increased with increasing temperature. Condensate yield reached maximum (i.e. 21.49 wt%) at 550 °C. Kaolin, CaO… read more here.
Keywords: assisted pyrolysis; auger reactor; furfural residue; non condensable ... See more keywords
Single droplet condensation in presence of non-condensable gas by a multi-component multi-phase thermal lattice Boltzmann model
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.04.135
Abstract: Abstract A multi-component multi-phase thermal lattice Boltzmann model considering vapor-liquid phase change is developed to study droplet condensation with the presence of non-condensable gas. Some tests, including an isolated droplet evaporation, are conducted to verify… read more here.
Keywords: droplet condensation; component; non condensable; multi ... See more keywords
Lattice Boltzmann simulation of seawater boiling in the presence of non-condensable gas
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.07.065
Abstract: Abstract In this study, three-dimensional (3D) boiling of seawater containing non-condensable gas (NCG) was simulated using the modified pseudopotential lattice Boltzmann model for multiphase multicomponent flow, and the effects of wettability and the NCG concentration… read more here.
Keywords: lattice boltzmann; seawater; bubble departure; condensable gas ... See more keywords
Numerical simulation of wavy film condensation in a vertical channel with non-condensable gas
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.119173
Abstract: Abstract A numerical approach for wavy film condensation in internal vapor flows containing non-condensable gas is developed by combining unsteady differential equations for the vapor region with unsteady integral boundary-layer formulations for a thin liquid… read more here.
Keywords: film condensation; condensation; condensable gas; non condensable ... See more keywords
A pseudo two-phase model to study effects of non-condensable gases on the water autonomy of a direct methanol fuel cell system
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.120441
Abstract: Abstract In a direct methanol fuel cell (DMFC) system, water at the condenser outlet is recirculated into the mixing chamber where it mixes with pure methanol and anode outlet stream. The selection of condenser design… read more here.
Keywords: condensable gases; system; water; condenser ... See more keywords
Conversion of non-condensable pyrolysis gases from plastics into carbon nanomaterials: Effects of feedstock and temperature
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Analytical and Applied Pyrolysis"
DOI: 10.1016/j.jaap.2017.03.005
Abstract: Abstract The conversion of non-condensable pyrolysis gases from plastic feedstock into carbon nanomaterials through catalytic chemical vapor deposition was investigated. Three samples, namely low density polyethylene (LDPE), polypropylene (PP) and a mixture of four plastics… read more here.
Keywords: condensable pyrolysis; carbon; pyrolysis; pyrolysis gases ... See more keywords
CFD analysis to study the effect of non-condensable gas on stable condensation jet
Sign Up to like & getrecommendations! Published in 2017 at "Progress in Nuclear Energy"
DOI: 10.1016/j.pnucene.2017.03.011
Abstract: Abstract Three-dimensional steady simulation was performed to investigate the influence of non-condensable gas on stable condensation jet. Condensation model concerning non-condensable gas was inserted into Ansys to simulate the process of condensation with non-condensable gas.… read more here.
Keywords: condensation; condensable gas; gas stable; non condensable ... See more keywords
Co-pyrolysis of sewage sludge and rice husk by TG–FTIR–MS: Pyrolysis behavior, kinetics, and condensable/non-condensable gases characteristics
Sign Up to like & getrecommendations! Published in 2020 at "Renewable Energy"
DOI: 10.1016/j.renene.2020.07.046
Abstract: Abstract In this study, pyrolysis behavior, kinetics, and condensable/non-condensable gases characteristics during co-pyrolysis of sewage sludge (SS) and rice husk (RH) were evaluated using Thermogravimetric–Fourier transform infrared spectrometry–Mass spectrometry (TG–FTIR–MS). The mass loss was divided… read more here.
Keywords: pyrolysis behavior; behavior kinetics; pyrolysis; condensable gases ... See more keywords
Numerical modelling of acoustic cavitation threshold in water with non-condensable bubble nuclei
Sign Up to like & getrecommendations! Published in 2022 at "Ultrasonics Sonochemistry"
DOI: 10.1016/j.ultsonch.2022.105932
Abstract: Highlights • A numerical model is presented for acoustic cavitation in water with non-condensable bubble nuclei.• The phase change has a significant effect on bubble growth and collapse dynamics during acoustic cavitation.• As the bubble… read more here.
Keywords: condensable bubble; acoustic cavitation; water non; non condensable ... See more keywords