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Alloys --- Coatings. --- Lasers. --- Composites --- Corrosion --- Fatigue, animal --- Process simulation --- Wear --- Corrosion --- Fatigue, animal --- Process simulation --- Wear

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Fiber-reinforced materials offer a huge potential for lightweight design of load-bearing structures. However, high-volume production of such parts is still a challenge in terms of cost efficiency and competitiveness. Numerical process simulation can be used to analyze underlying mechanisms and to find a suitable process design. In this study, the curing process of the resin is investigated with regard to its influence on RTM mold filling and process-induced distortion.

Mechanical engineering & materials --- Prozesssimulation --- Leichtbau --- Faserverbundwerkstoff --- Formfüllsimulation --- Bauteilverzug --- process simulation --- lightweight design --- composite --- mold-filling simulation --- process-induced distortion

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This master’s thesis focuses on the development and optimisation of a post-combustion CO2
capture plant utilising membrane separation. The primary goal is to design a configuration
that meets operational requirements while minimising power consumption and equipment
costs. Ensuring system durability by minimising condensation within critical components,
including an atom-thick membrane, is also a key objective. This involves the conception
of a cooling and drying unit to remove humidity from the flue gases. Additionally, the
thesis addresses the preliminary design of the compressor-turbine unit (CTU), incorporating
small-scale turbomachinery and gas-lubricated bearings.
The initial design phase consists in simulating multiple configurations using Aspen Plus,
which enables quick evaluations and the elimination of non-feasible options. However, Aspen
has some limitations in optimizing complex systems, which are overcome by using a custom-
coded Matlab model, offering greater flexibility and control over key parameters. The thesis
ultimately compares different feasible configurations and determines the Pareto front of one
process layout depending on several design parameters.
The conclusion emphasises the need for further refinement of the models and accurate equip-
ment sizing. A detailed analysis of capital and operational expenses associated with addi-
tional plant equipment is also recommended to identify the most cost-effective solution.

co2 capture by membrane separation --- small-scale turbomachinery --- chemical process simulation --- system modelling and optimisation --- Ingénierie, informatique & technologie > Energie

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It is widely believed that a large proportion of greenhouse gas emissions originated anthropogenically from the use of fossil fuels with additional contributions coming from manufactured materials, deforestation, soil erosion, and agriculture (including livestock). The global society actively supports measures to create a flexible and low-carbon energy economy to attenuate climate change and its devastating environmental consequences. In this Special Issue, the recent advancements in the next-generation thermochemical conversion processes for solid fuels and renewable energies (e.g., the operational flexibility of co-combustion of biomass and lignite, integrated solar combined cycle power plants, and advanced gasification systems such as the sorption-enhanced gasification and the chemical looping gasification) were shown.

Research & information: general --- Technology: general issues --- hydrochar --- hydrothermal carbonization --- biogas upgrading --- CO2 capture --- pressure swing adsorption --- gasification --- kinetic model --- conversion model --- reaction model --- low-rank coal --- tar absorption --- process simulation --- validation study --- sensitivity analyses --- lignite --- lignite gasification --- fluidized-bed gasifier --- olivine --- solar cooling --- solar cooling system --- TRNSYS --- absorption chiller --- performance and analysis --- solar energy --- chemical looping --- biomass gasification --- process control --- CO2 absorption --- experimental study --- energy analysis --- exergy analysis --- CSP --- PTC --- ISCC --- power plant --- CFB combustion --- operational flexibility --- load transients --- fluctuating electricity generation --- renewables --- one-dimensional SEG model --- dual fluidized bed --- sorbent deactivation --- hydrodynamics --- kinetics --- fuel feeding rate --- biomass --- thermochemical conversion technologies --- combustion --- carbon capture and storage/utilization --- solar-driven air-conditioning --- integrated solar combined cycle --- energy and exergy analyses --- thermodynamic modeling --- dynamic process simulation --- hydrochar --- hydrothermal carbonization --- biogas upgrading --- CO2 capture --- pressure swing adsorption --- gasification --- kinetic model --- conversion model --- reaction model --- low-rank coal --- tar absorption --- process simulation --- validation study --- sensitivity analyses --- lignite --- lignite gasification --- fluidized-bed gasifier --- olivine --- solar cooling --- solar cooling system --- TRNSYS --- absorption chiller --- performance and analysis --- solar energy --- chemical looping --- biomass gasification --- process control --- CO2 absorption --- experimental study --- energy analysis --- exergy analysis --- CSP --- PTC --- ISCC --- power plant --- CFB combustion --- operational flexibility --- load transients --- fluctuating electricity generation --- renewables --- one-dimensional SEG model --- dual fluidized bed --- sorbent deactivation --- hydrodynamics --- kinetics --- fuel feeding rate --- biomass --- thermochemical conversion technologies --- combustion --- carbon capture and storage/utilization --- solar-driven air-conditioning --- integrated solar combined cycle --- energy and exergy analyses --- thermodynamic modeling --- dynamic process simulation

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Thin film processes are significantly incorporated in manufacturing display panels, secondary batteries, fuel/solar cells, catalytic films, membranes, adhesives, and other commodity films. This Special Issue on “Thin Film Processes” of Processes listed recent progress on thin-film processes, covering theoretical considerations, experimental observations, and computational techniques. Articles in this Issue consider comprehensive studies on thin film processes and related materials.

History of engineering & technology --- electrode --- layer-by-layer --- liquid crystal device --- thin film --- 6082-T6 aluminum alloy --- Plasma Electrolytic Oxidation (PEO) --- Plasma Spray Ceramic (PSC) --- Hard Anodizing (HA) --- anodic polarization --- corrosion resistance --- lemongrass --- Cymbopogon citratus --- convection drying --- mathematical modeling --- moisture diffusivity --- activation energy --- Jeffrey, Maxwell, Oldroyed-B fluids --- unsteady stretching surface --- magnetic field --- homotropy analysis method (HAM) --- entropy generation --- second-grade fluid --- nanofluid --- liquid films --- time depending stretching surface --- HAM --- Al(OH)3 --- BaSO4 --- filler --- ultrafine powder coatings --- Sisko fluid --- unsteady stretching sheet --- thin films --- MHD --- HAM and numerical method --- coatings industry --- digitalization --- development process --- technical enabler --- process analysis --- process simulation --- hydrocarbon fuel --- coke --- anti-coking coating --- growth characteristics --- n/a