Optimization
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Utilization of the Brewer’s Spent Grain for Lactic acid production: Acid hydrolysis and submerged fermentation
Abstract: The production of Lactic acid from Brewery Spent Grain using Lactobacillus plantarum ATCC 8014. was carried out in this study. Box Behnken Design (BBD) (Design expert® 7 software) was used to investigate the effect of temperature, reaction time and acid concentration during the hydrolysis. Fermentation of the hydrolyzate was performed at 35 °C, pH 5.0-5.5 and 200 rpm for 72 h.
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 1, 2020 · pp. 1–5 Read article
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Optimization of Sulphuric Acid Hydrolysis Process for Fermentable Sugars from Lignocellulosic Content of Wood Sawdust for Production of Cellulosic Ethanol
Abstract: The aim of this study was to investigate the optimization of acid hydrolysis process for fermentable sugars from the lignocellulosic content of wood sawdust for cellulosic ethanol production. In this study, four process parameters were investigated; acid concentration (3-7%), solid fraction (8-12ml/gm), temperature (100-120oC) and time (90-150minutes). The total reducing sugar content of hydrolyzed solutions was analyzed using Phenol-Sulfuric Acid method. The result of the statically analysis 2mm particle size …
Published in Emerging Trends in Chemical Engineering · Vol. 7, Issue 1, 2020 · pp. 10–18 Read article
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Optimization of Control Parameters Based on Genetic Algorithm Technique for Integrated Electrohydraulic Servo Actuator System
Abstract: Electrohydraulic servo systems have been used in industry in a wide number of applications. Its dynamics are complex and highly nonlinear, these features significantly add uncertainty to the controller design procedure. Therefore, it is a demanding task to obtain a precise mathematical model of controlled servo systems. The present paper presents the development of a detailed non-linear mathematical model of the ISA and a computer simulation program using MATLAB/SIMULINK package. …
Published in Journal of Mechatronics and Automation · Vol. 6, Issue 3, 2019 · pp. 24–41 Read article
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Gluconic acid production from cane molasses using Aspergillus carneus
Abstract: Gluconic acid is a multifunctional organic acid, non-volatile, non-corrosive, non-toxic, readily biodegradable, with environmentally friendly properties. In this study, gluconic acid was produced from the treated molasses using Aspergillus carneus strain under the submerged fermentation. The parameters were studied using the four-factor, three-level Box-Behnken design using using Design Expert ® version 11. The acid produced was characterized using the Fourier transform infrared spectroscopy. The optimum values of the parameters were …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 3, 2019 · pp. 37–44 Read article
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Fast Transmission Wireless Network System based on Gaussian Space
Abstract: The fast transmission of the information is achieved by Gaussian Space. The proposed wireless network system is based on the random variable and entropy optimization by Gaussian Space. The channel is distributed over the entropy matrix. The efficiency of the system comprises with the random selection of the variables and the security lies with the matrix representation theory. Thus, a proposed system carries the basic characteristic of the standard wireless …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 6, Issue 2, 2019 · pp. 19–25 Read article
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Optimizing the removal of Chromium from aqueous solution by adsorption using sugarcane bagasse
Abstract: In Ethiopian tannery and textile industries, chromium concentration before treatment ranges from 1000 ppm to 5000 ppm. From this concentration about 95 % of chromium exists in the form of Cr (III), which was toxic when its concentration exceeded 5 ppm and oxidized in to Cr (VI). This chromium was disposed to environment with effluent in the form of chromium III and chromium VI was highly toxic to humans, animals …
Published in Journal of Water Pollution & Purification Research · Vol. 6, Issue 2, 2019 · pp. 22–36 Read article
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Optimization of Continuous Cast Steel in Steel Manufacturing Industry
Abstract: Steel industry has given a wide exposure for the researchers, academicians and professionals to deal with even minute plethora and dots to come up with new innovations and creativity. In order to increase the affordability and accessibility, the continuous casting is optimized through various processes and levels. Optimization is required to be done on discovering a range of water flow rate, material properties, thermal heat transfer factors and oscillation parameters …
Published in Trends in Mechanical Engineering & Technology · Vol. 9, Issue 2, 2019 · pp. 7–11 Read article
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Optimize Throughput by Estimating Optimal Packet Length for Wireless Sensor Node
Abstract: AbstractA Wireless Sensor Network (WSN) is employed for monitoring and control of distributed sensing points with the use of Sensor Nodes (SN). The sensor nodes form a wireless network to disseminate the sensed data over to the base station for its processing and analysis. For a wireless network, effective and efficient communication of data from the sensor node to base station plays a vital role in estimating the life of …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 37–45 Read article
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Firefly Algorithm and its Applications to Mechanical Engineering- A Review.
Abstract: The firefly algorithm (FA) is one of the Nature-inspired algorithms which is inspired by the flashing behavior of fireflies. This algorithm appeared about five years ago in 2008, and its literature has expanded with diverse applications. In this, randomly generated solutions will be considered as fireflies, and brightness is depending on their performance on the objective function. This algorithm is based on a formula of light intensity I that decreases …
Published in Journal of Production Research & Management · Vol. 9, Issue 1, 2019 · pp. 9–16 Read article
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Surface Roughness in Traverse Cut Cylindrical Grinding of Phosphor Bronze
Abstract: In the present work, traverse cut cylindrical grinding process has been analyzed and optimized to obtain desired surface roughness while machining of phosphor bronze material. Experiments have been planned as per Taguchi’s L16 orthogonal array. Four levels of the input parameters have been used. The parameters are: longitudinal feed, work-speed and in-feed. The results have been studied, plotted and discussed. The effect of process parameters on responses have been analyzed …
Published in Journal of Automobile Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 20–24 Read article
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Modeling and Numerical Simulation of Forged Ploughing Disc
Abstract: Forging operation is the oldest metal forming process known for producing a product of a reduced void and improved physical properties which make it suitable for manufacturing of a ploughing disc that can be applied in sticky soil, for deep plough. It can also be used safely in stony and stumpy soil without much danger of breakage. This study focuses on identifying appropriate parameters for the manufacturing of a proper …
Published in Journal of Experimental & Applied Mechanics · Vol. 10, Issue 1, 2019 · pp. 35–42 Read article
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Prediction and Optimization of Laser Transformation Hardening Parameters of Unalloyed Titanium Using RSM
Abstract: The optimization abilities in Design-expert software were used to optimize the laser phase transformation hardened bead profile parameters, i.e., to maximize hardened bead width (HBW) and to minimize, the heat input (HI), hardened depth (HD) and angle of entry of hardened bead profile (AEHB) in continuous wave (CW) Nd:YAG laser transformation hardening of unalloyed titanium sheet with 1.6 mm thickness. The mathematical models were developed from Response Surface Methodology (RSM) …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 1, 2015 · pp. 1–11 Read article
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Drilling of Composite Materials: A Review
Abstract: In today’s world composites are replacing metals due to their superior properties such as light weight; low wear rate etc. Composites are widely used in automobile, aerospace and aircraft structural components. While drilling composite laminates, because of high hardness, they are difficult to machine, which results in low drilling efficiency and undesirable drilling induced delamination. The present paper is intended to focus on review of various works reported on drilling …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 2, 2015 · pp. 1–10 Read article
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Parametric optimization of end milling operation on EN24 – A Mapping Review
Abstract: The milling of EN24 hardened steels has been applied in many cases in production. The purpose of this review is to study the effect of influence of milling operation parameters such as cutting speed, feed and depth of cut on the material removal rate and surface roughness in milling of EN24 steel. The effect of milling operation parameters are evaluated for minimum surface roughness and maximizing material removal rate. Maximum …
Published in Journal of Production Research & Management · Vol. 8, Issue 3, 2018 · pp. 42–48 Read article
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On the Optimisation of fundamental frequency to determine the Optimal Design of Bracing System for A Three Storey One Bay Two Dimensional Planar Structure
Abstract: Bracing systems are useful to improve the resistance of multi-storey buildings subjected to wind forces acting in lateral direction on the structure. The main focus of this paper is to find the optimal design of the bracing for a three storey one bay two dimensional planar structure. The eigen frequency of the structure is maximized to determine the relative density using a stress based criteria of each element for every …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 55–59 Read article
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Sulfur recovery process simulation and optimization
Abstract: Objective of this work is to simulate the sulfur recovery process by using the latest version of Aspen HYSYS V10 simulation program. Sulfur recovery model used in the simulation program is Claus three stage process. A total recovery of 97.85% sufur was recovered from the rich acid gas feed. The effects of H2S/SO2 ratio, outlet sulfur dew point margin, catalytic stage temperature, CS2 and COS concentrations, role of catalyst, acid …
Published in Emerging Trends in Chemical Engineering · Vol. 5, Issue 3, 2018 · pp. 32–40 Read article
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Optimization of CMOS Current Mirror Load-based Differential Amplifier using Hybrid Cuckoo Search and Particle Swarm Optimization Algorithm
Abstract: Optimization of CMOS based analog circuits is becoming a practical solution for complex analog modules. There are number of evolutionary algorithms presented to optimize the analog circuits in different reported literatures. During optimization process, the optimal result may not be obtained with only individual algorithm or requires a more time. Therefore the hybrid algorithm of two or more algorithms is more effective method to obtain the goal. The Particle Swarm …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 5, Issue 3, 2018 · pp. 71–78 Read article
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Optimization of process parameters in pocket milling of SAE304 based on tool path strategies using Taguchi method
Abstract: Surface roughness is the most significant factor in manufacturing industry to accept most of the machined components. In modern manufacturing CNC milling is one of the most commonly used machining process for different components. Pocket milling is building importance in plastic molding, Ship building and aircraft manufacturing. The surface finish is attained by finishing operations in most of the cases, which causes increase in production cost and time. This can …
Published in Journal of Production Research & Management · Vol. 8, Issue 3, 2018 · pp. 49–56 Read article
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REVIEW PAPER ON ABRASIVE MACHINING PROCESS
Abstract: Abrasive Machining is the most important process for material removal in the industries. It refers to the action of removing the fibres from a surface. It requires a deep study to obtain a better understanding of the variables that affect the material removal rate, quality of surface & power consumption. Various experiments are designed to determine the impact of interface pressure, belt speed, surface roughness for different grit sizes. A …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 3, 2018 · pp. 31–35 Read article
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ANALYSIS AND OPTIMIZATION OF SINGLE CYLINDER IC ENGINE CONNECTING ROD
Abstract: Connecting rod is an intermediate link between the piston and the crank shaft, which is responsible to transmit reciprocating motion of the piston to rotary motion of the crank shaft. These connecting rods are made of Carbon steel, because of its strength, durability, and lower cost. However, steel with its high mass density exerts excessive stresses on the crankshaft of a high speed engine. Recently Aluminium Alloys have been taken …
Published in Journal of Catalyst & Catalysis · Vol. 5, Issue 2, 2018 · pp. 26–33 Read article