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Showing 1 to 20 of 69 for “"Response Surface Methodology (RSM)"”.
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Harvesting of microalgae botryococcus sp. Through phycoremediation of bathroom greywater
… effects of experimental factors through Response Surface Methodology (RSM) design expert software. Botryococcus sp. was inoculated in bathroom greywater with 4.5 x 106 cell/mL for phycoremediation process. Microalgae Botryococcus sp. grown in bathroom greywater from House A, House B and …
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Semiparametric Techniques for Response Surface Methodology
… statisticians employ the techniques of Response Surface Methodology (RSM) to study and optimize products and processes. A second-order Taylor series approximation is commonly utilized to model the data; however, parametric models are not always adequate. In these situations, any degree …
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Effect of alkali treatment conditions optimization on kenaf fiber polyester composite characterization
… fiber mechanical properties characterization and Response Surface Methodology (RSM) for determining the optimum alkali treatment conditions on kenaf polyester composite mechanical properties characterization. As the outcome of this study, the significant main-and-interaction effect of alkali …
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Color and Structural Modifications of Alkaline Extracted Sunflower Protein Concentrates and Isolates Using L-Cysteine and Glutathione
… of 0.82 to 5.6 mM were randomly assigned by Response Surface Methodology (RSM) to evaluate the combined and additive greening inhibition effect of thiol and extraction pH. The powders with the highest greening were control (pH 8.93-9.3 and no added thiols) and pH 10.41 with 0.82 mM with …
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Simulation-optimization studies: under efficient stimulation strategies, and a novel response surface methodology algorithm
… computer simulations are used to obtain the mean response values for the required settings of the independent variables. Procedures for optimizing on the mean response values, which are in turn obtained through computer simulation experiments, are called simulation-optimization techniques. The …
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Optimization of parameters of laser non-linear inclined cutting on stainless steel metal
… the process input parameters and resultant surface roughness; kerf width characteristics. The research conduct is based on the Design of Experiment (DOE) analysis. Response Surface Methodology (RSM) is used in this research, it is one of the most practical and most effective techniques to …
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Heat treatment optimization in the manufacture of Wilson Rockwell steel hardness test blocks
… of metallurgical study and Design of Experiments methodology. The uniformity of temperature distribution within the heating chamber and the effect of temperature and material composition on the final microstructure of the steel are analyzed. The hardness measurements and preparation of …
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Using TiO2 to Optimize the Photocatalytic Degradation of Kraft Black Liquor Using Response Surface Methodology
… removal in comparison with TiO2 concentration. A response surface methodology (RSM) model was developed to predict the maximum 4-hour TOC reduction of 51.6% under optimal conditions of a pH of 7.87, 37 ℃, and a catalyst particle size of 5 nm. Compared with the preliminary study, an additional …
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Effect of silicon carbide (SiC) on mechanical and physical properties of solid state recycled aluminium aa6061 by using hot extrusion method
… of silicon carbide (SiC) of 5 wt.% and 15 wt.%. Response Surface Methodology (RSM) utilized the factor towards the response which is Ultimate Tensile Strength (UTS), Elongation to Failure (ETF) and Microhardness (MH). The best parameter setting for the extrusion was found to be at T=550°C, t=1 …
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Response surface analysis of high fructose corn syrup cakes emulsified with sucrose esters and mono- and diglycerides
… of the oil phase with and without emulsifiers. Response surface methodology (RSM) was employed to predict the levels of HFCS required with and without emulsifiers to produce cakes of relatively high volume, moistness, tenderness and low aftertaste. Cakes prepared with HFCS as a partial or …
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Development of synthetic fiber-based reinforcements for thermoplastics as alternative to steel-based analogs for industrial applications
… level. The mathematical model generated through Response Surface Methodology (RSM) predicted a model with an accuracy of 98.06 %. Phase 3 results emphasized that the electrolytic treatment of carbon fibers created active sites and roughened the surface. When coated with a silane coupling agent, …
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An efficient technique for structural reliability with applications
… technique has been developed based on Response Surface Methodology (RSM) in conjunction with the First Order Second Moment (FOSM) reliability method. The technique is applied when the limit state function cannot be obtained explicitly in terms of the design variables, i.e., when the …
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Optimisation of plasma sprayed hydroxyapatite coatings
… of the process. This was followed by a detailed Response Surface Methodology (RSM) experiment. Five properties (responses) were examined, crystallinity, purity, roughness, porosity and thickness. Models describing the effects of the variables on these coating properties were then developed. The …
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Development and optimization of zeolite synthesis route from natural koalin for adsorption of dyes
… center point for factors evaluation towards the responses; yield percent (%) and crystallinity (%) for crystallization process. Based on the Response Surface Methodology (RSM), with desirability value of 98.67 %, the significant parametric aging condition is 27 hours and crystallization time is 9 …
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Diesel-cng dual fuel combustion characterization using vibro-acoustic analysis and response surface methodology
… of diesel-CNG dual fuel engine using Response Surface Methodology (RSM). Two inputs which are CNG substitution rate and engine speed were used to predict the engine output characteristics in terms of engine performance, exhaust emissions, combustion pattern and combustion stability. …
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Monopile Foundation Offshore Wind Turbine Simulation and Retrofitting
… solution into a more applicable design. Using a response surface methodology (RSM) an optimized design criteria has been generated based on six geometric/material parameters of the bolted connection: horizontal spacing, vertical spacing, bolt diameter, number of bolts in vertical columns, …
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Microwave plasma synthesis of nano-sized silicon carbide at atmospheric pressure
… ranging in sizes from 460 to 1 800 nm. Through response surface methodology (RSM), it was shown that the optimum conditions for the production of nanoparticles lie within the range of enthalpy > 180 MJ/kg and H2:MTS ratio of > 5.
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INVESTIGATING THE IMPACT OF ROCK BRIDGES ON THE MECHANICAL BEHAVIOR OF JOINTED ROCK MASS USING LATTICE SPRING-BASED SYNTHETIC ROCK MASS (LS-SRM) APPROACH
… trial-and-error process utilizing the Response Surface Methodology (RSM). The results of direct shear models reveal that the LS-SRM method effectively replicates the failure mechanisms and peak shear strength of pre-existing rough two flows rock-like specimens with coplanar and …
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Computational control of laser systems for micro-machining
… as well as microchannel width, depth and surface roughness. A 3D microfabrication system was developed using the Nd:YV04 laser (2.5 W, 1.064 pm, 80 ns) to fabricate microstructures inside polycarbonate samples. Microstructure voxels ranged from 48 to 181 pm in diameter. Tight focusing was …
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The investigation of technological, nutritional and sensorial characteristics of wheat bread, influenced by different strains of Saccharomyces cerevisiae
… time and temperature). For that reason, response surface methodology (RSM) was used as a model design. A change in fermentation parameters showed further improvement of the breads mainly in terms of prolonged shelf life, lowered pGI and higher consumer acceptance. The increasing …
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