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Showing 1 to 20 of 478 for “"Process parameters"”.
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Evaluation of process parameters and membranes for SO2 electrolysis
… are available, sulphur-based thermochemical processes (such as the Hybrid Sulfur Process (HyS)) are favoured as alternative options for large scale application. The SO2 electrolyser is applied in producing H2 gas and H2SO4 by electro-chemically converting SO2 gas and water. This study focused …
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Improvements in Liquid Composite Moulding through Assessment of Process Parameters
… (LCM) describes a family of manufacturing processes utilised for the manufacture of fibre reinforced plastics. With a large number of variables and process parameters requiring active measurement and control, achieving high quality simultaneously with low cost and variability has proven an …
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Design and Optimization of Process Parameters in Bio-Gas Production Systems
… through anaerobic digestion (AD), a biological process, which uses biomass as a renewable energy source. Pre-treatment is the first stage of the AD process. The main goal of pre-treatment is to change the biomass properties in order to prepare lignocelluloses for enzymatic attack; which in turn …
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Municipal yard waste composting: process parameters, windrow gases, and leachate quality
… Project was conducted to examine the process, quality of leachate, and viability of this technology for large-scale, low-technology application. Project research objectives were: 1) to characterize C/N, temperature, and moisture relationships of yard waste during composting and the …
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An analysis of through-hole punching in PMMA with varied process parameters
… A better understanding of the effects of these parameters in through-hole punching has useful implications in the development of better tools for hot embossing. Theoretical simulations modeling the punch and die mechanics for various punch sizes and clearances were performed using ADINA finite …
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Investigation of effect of process parameters on multilayer builds by direct metal deposition
… direct laser deposition (DLD) is a fabrication process through which parts are fabricated by creating a molten pool into which metal powder is injected as. During fabrication, complex thermal activity occurs in different regions of the build; for example, newly deposited layers will reheat …
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Optimisation of process parameters of high power CO2 Laser cutting for advanced materials
… the development of advanced material processing techniques. Laser beam cutting (LBC) is an advanced processing technique applied widely in industry to cut different materials with high production rates. In order to optimise the LBC process, it is essential to first model the process …
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The effects of process parameters on the properties of resin transfer molded composites
… transfer molding (RTM), varying materials and process conditions. Reinforcements used included a fiberglass woven material, and AS-4 carbon in both sized and unsized plain weave fabrics. Vinyl ester, epoxy, and cyanate ester resins were pressure injected into these fabrics. The epoxy panels …
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Evaluation of pelleting process parameters on feed nutrients, starch gelatinization and pig growth performance
… in an 18-d study. Treatments included: 1) non-processed mash (negative control); 2) pelleted diet conditioned for 30 s (positive control); 3) pelleted diet conditioned for 15 s and reground; 4) pelleted diet conditioned for 30 s and reground, and 5) pelleted diet conditioned for 60 s and …
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A study on laser engraving process parameters and performance characteristics for wood base materials
… was to investigate the effects of using input parameters such as scanning speed, burning time and laser height towards the output results which were identified as surface roughness, depth of engraving and Head Affected Zone (HAZ). A second order equation by Response Surface Method (RSM) was …
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Influence of process parameters and manufacturing defects on the properties of thermoplastic composite pipes.
… may be induced in it due to the effects of processing parameters and this can affect the performance of the pipe in the long run with induced defects leading into in-service failures. Among other factors in comparison to thermosets, thermoplastic composites offers a faster, less complex and …
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Towards effective production in DED: linking process parameters to the properties of the deposition
L'abstract è presente nell'allegato / the abstract is in the attachment
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Control of carbon nanotube stiffness via tunable fabrication process parameters that determine CNT geometry
This paper presents tunable process parameters that may be used to control the geometry of multi-walled carbon nanotubes (MWCNTs). The results may be used to grow MWCNTs with desired stiffness properties. This is important to devices that rely on the compliance of MWCNTs in order to achieve …
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Non-woven, recycled carbon fibre composites : development of test methods and assessment of process parameters
… chopped, fluffy, and entangled requiring further processing. However, their transformation into non-woven textile fabrics and then to cured laminates, has recently become an efficient, cost-effective technique that makes the whole carbon fibre recycling process viable. The development of new …
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Study of effect of process parameters and their interaction in the flotation of UG2 ore
Flotation is widely used in the mineral processing industry to extract valuable minerals from the ore. The fundamental steps in this separation process are the attachment of hydrophobic valuable minerals to bubbles, and the subsequent accumulation of the bubble-particle aggregates in the froth …
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Effects of crystal growth process parameters on the microstructural optical and electrical properties of CdTe and CdMnTe
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1988.
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An investigation into the effect of process parameters on carbon film physical properties produced by different deposition techniques
… reports research to investigate the effect of process parameters on the physical properties of carbon films produced using different deposition techniques. The deposition techniques utilised are a FAB source, an r.f./d.c. EBPVD system and a hot filament CVD system.The findings of this study …
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Investigation of Torrefaction Process Parameters on Biomass Feed-Stock and CO2 Gasification of Torrefied and Pyrolysed Bio-char
Torrefaction is a thermo-chemical process, carried out at a relatively low temperature ranging from 200-300°C. This research focuses on torrefaction of flax straw at laboratory scale. A Thermo Gravimetric Analyzer (TGA) was used to study the effect of temperature, particle size and residence time …
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