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225 articles for “Variance”
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A Survey of Jellyfish Attack in Mobile Ad Hoc Network
Abstract: AbstractMANET is ad hoc network which has independent behavior with dynamic network topology and multi-hop network. There are many benefits and limitations of the mobile ad hoc network like autonomous behavior, dynamic topology, multi-hop routing and maximum flexibility. Jellyfish attack is a passive attack which is difficult to detect and prevent as they do not alter the data during the transmission. Jellyfish attack is further classified into three sub-categories Jellyfish …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 4, Issue 2, 2017 · pp. 17–24 Read article
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Alzheimer's Diseases Risk Level Classifications Using Chaos Technique
Abstract: This paper aim to classify Alzheimer's diseases risk level determining Dementia and Epilepsy which is a collective term used to describe the problems that people with various underlying brain disorders or damage can have with their memory, language and thinking. Alzheimer disease is the best known and most common disorder under the umbrella of Dementia and Epilepsy. Brain functions are measured in the hope of determining and differentiating certain functional …
Published in Journal of Software Engineering Tools & Technology Trends · Vol. 2, Issue 2, 2015 · pp. 36–46 Read article
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Big Data Management: Theory & Practice
Abstract: In this paper, Big Data Management is studied. There is finite number of information in Big Data and correspondingly its method of analysis exists. Big Data Analysis (BDA) method is proposed in this paper. A compact method (K-Means Cluster, Generalised K-Means Cluster, C-Means, Fuzzy Means, Fuzzy Numbers, Fuzzy Set, Fuzzy Logic, Neural Network, Genetic Algorithm) based big data analysis is presented in this paper. There are four models are presented …
Published in Journal of Software Engineering Tools & Technology Trends · Vol. 7, Issue 2, 2020 · pp. 13–22 Read article
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Adapting LSB Method on Bit-Plane for High-embedding Ratio of Steganography
Abstract: Internet is one of the medium of communication mostly used now a day. To conserve the security of information sent over the internet, steganographic concept makes its arrival. Least-significant bit and multi-bit embedding methods are the most well-known and familiar in this domain. Here, in this work, only least-significant bit method is used. It is a new technique which is indeed very simple in comparison to the other existing ones …
Published in Journal Of Network security · Vol. 1, Issue 1, 2013 Read article
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OPTIMIZATING FUSION ZONE GRAIN SIZE, HARDNESS AND TENSILE STRENGTH OF MICRO PLASMA ARC WELDED TITANIUM ( Ti-6Al-4V) ALLOY USING GREY RELATIONAL ANALYSIS
Abstract: In the present work, Titanium (Ti-6Al-4V) alloy sheet of 0.5 mm thick is butt welded using Micro Plasma Arc Welding. Welding input parameters like peak current, base current, pulse rate and pulse width are considered and output responses like fusion zone grain size, hardness and ultimate tensile strength of the welded joint are considered. Taguchi L25 orthogonal matrix is adopted by considering four factors and five levels of weld input …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 Read article
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Statistical Optimization and Decolourization of Methyl Violet Using Peroxisdase from Radish
Abstract: Statistical optimization design based on Response surface methodology for the decolourization of methyl violet using peroxidase from radish (Raphanus sativus) was applied. Effect of four influencing parameters (pH, Temperature, Dye concentration, enzyme volume) on decolourization was studied using One Factor At a Time (OFAT) method. The factors were optimized using RSM based on Box- Behnken design and analyzed for its significance through Analysis of Variance. The optimized operating conditions for …
Published in Journal of Water Pollution & Purification Research · Vol. 1, Issue 1, 2014 · pp. 20–29 Read article
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Optimization of Venturimeter Geometry for Minimum Pressure Drop using CFD Analysis
Abstract: A venturimeter is one of the accurate flow measurement devices used to measure volumetric flow rate based on differential pressure. Pressure recovery is a problem when flow measurement is done by venturimeter. So, it is necessary to select its geometrical parameters in such a way that minimum pressure loss occurs. In this paper, optimization of geometrical parameters of venturimeter for minimum pressure drop has been done using CFD analysis. For …
Published in Recent Trends in Fluid Mechanics · Vol. 3, Issue 2, 2016 · pp. 31–35 Read article
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Study of Wear Characteristics of Aluminium/B4C/CNT Hybrid Composites under the Influence of Controlled Factors
Abstract: The main objective of present work is to thoroughly study the wear characteristics of aluminium/B4C/CNT hybrid composites under different load conditions. Current work is majorly aimed at the development of aluminium/B4C/CNT hybrid metal matrix composites. Aluminium metal matrix composites with boron carbide particle reinforcements are finding vast applications in underwater, aerospace and automobile applications. Here, the wear characteristics of composites developed through powder metallurgy has been investigated for different blends …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 2, 2016 · pp. 21–32 Read article
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Optimization of Machining Parameters for Titanium Alloy (Grade-5) Using CBN Tool Insert with Different Nose Radius Using Taguchi Technique
Abstract: In this research paper, focus is on the machinability study of titanium (grade-5) alloy using the CBN cutting tool inserts having nose radius of 0.4 mm and 0.8 mm. Taguchi method provides a simple, systematic and efficient methodology for optimization of the cutting parameters. Taguchi design of experiment approach has been used for planning the experiments and analysis of experimental data obtained. An orthogonal array L27 (313), the signal-to-noise (S/N) …
Published in Trends in Mechanical Engineering & Technology · Vol. 2, Issue 2, 2012 · pp. 17–31 Read article
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Evaluation of Coefficient of Performance of Water– Carrol Vapor Absorption Refrigeration System Using Artificial Neural Network approach
Abstract: Normal 0 false false false EN-US X-NONE X-NONE The aim of this work is to apply expert system methods, like artificial neural network (ANN), for evaluating the coefficient of performance (COP) of water-carrol (lithium bromide-ethylene glycol)-based vapor absorption refrigeration system. Theoretical performance analysis of vapor absorption refrigeration system is too complex since very tedious second-order mathematical differential equations are used. In order to simplify this complex process, artificial neural networks …
Published in Trends in Mechanical Engineering & Technology · Vol. 2, Issue 3, 2012 · pp. 29–37 Read article
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Prediction of Surface Roughness in Boring Operation on Mild Steel using Taguchi Approach
Abstract: Surface quality is one of the specified customer and technical requirements for machined parts. There are many cutting parameters that have an effect on surface roughness, but those are difficult to quantify adequately. In a finished boring operation, many parameters such as cutting speed, feed and depth of cut are known to have a large impact on surface quality. In this paper, experimental work on a Jig boring machine has …
Published in Trends in Mechanical Engineering & Technology · Vol. 3, Issue 3, 2013 · pp. 29–34 Read article
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Review on Evaluation Techniques Such as DOE and ANN Used for Evaluate Heat Flow Parameters for Resistance Spot Welding
Abstract: Resistance spot welding is a widely used process of metal joining in industries. In resistance spot welding process, the time of welding is very little so, during welding process maintenance of high accuracy and precision is very difficult. Resistance spot welding has a wide application in automobile industry, household and domestic appliances manufacturing industry and fabrication industry like air craft manufacturing industry. For better output quality of product, save time …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 26–32 Read article
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Influence of Process Parameters of TIG Welding Process on Mechanical Properties of SS304L Welded Joint: A Review
Abstract: The purpose of this study is to study the effects of various process parameters (welding current, filler materials and groove design) of tungsten inert gas welding (TIG) on aspect ratio, hardness and impact strength of SS304L welded joint. Aspect ratios are obtained by taking the ratio of bead width and bead penetration. This bead dimensions can be measured by digital vernier calipers. Weld joint quality depends on the bead dimensions. …
Published in Trends in Mechanical Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 11–17 Read article
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Improvement in Furan No-bake Molding System to Reduce Defects
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Casting foundry markets will continue to face challenge from global producers because of their lower wage scales and ecological standards, which lower the cost of their casting jobs. Production constraints on the foundry industry’s processes are increasingly more costly to the industry and cut into the profit. Casting foundries have also made changes to their processes to help decrease pollution. One of …
Published in Journal of Production Research & Management · Vol. 5, Issue 3, 2015 · pp. 1–7 Read article
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Rapid Determination of Content of Etoricoxib in Pharmaceutical Formulations by Mid-Infrared Spectroscopy
Abstract: The present paper is an attempt to highlight a new technique FTIR-ATR along with its referenced validated method, UV spectrophotometric analysis. Different concentrations of etoricoxib were used as samples to draw standard plot. From different samples, a transmission spectrum was recorded according to the prominence of peaks. The present study has chosen the three most prominent peaks for analytical purpose in case of samples of etoricoxib and marketed formulations. All …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 4, Issue 3, 2013 · pp. 20–32 Read article
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Experimental Investigations of Mechanical Properties of Friction Stir Welded Joints of Aluminium Alloys AA6063 and AA6082
Abstract: One of the advantages of friction stir welding process is its ability to join dissimilar metals and alloys. The objective of this study was to study the possibility of joining two dissimilar Al alloys, typically A6082 and A6083 using in FSW. In this experiment, joint properties of A6082 and 6063 were studied. Three parameters considered were tool rotation speed, welding speed, depth of cut with three levels; and nine runs …
Published in Journal of Experimental & Applied Mechanics · Vol. 8, Issue 2, 2017 · pp. 45–52 Read article
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Prevalence and Factors of Pregnancy Execution among Nepalese Married Women: A Cross-Sectional Study
Abstract: This paper, statistically presents the pregnancy termination issues in context of Nepal. An application of logistic regression model is used to address the prevalence and cause factors of pregnancy termination. The estimate of parameters of the model is obtained through Maximum Likelihood Estimate (MLE) and validates the model through different diagnostic tests (log-likelihood, Hosmer and Lameshow R2, Negelkerke R2, Cox-Snell’s R2, residual plot and variance inflation factor). In outlook of …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 8, Issue 3, 2018 · pp. 16–21 Read article
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Estimation of Land Surface Temperature using Landsat Data: a Case Study of Agra City, India
Abstract: Land surface temperature (LST) is an important indicator for the study of climate change, urban environment, heat balance studies, hydrological and agricultural process, and urban land use and land cover as well as user input for climate models. Landsat data is utilized for the number of applications such as environment study, digester and resource management. Land surface temperate is estimated by the help of ArcGIS through Landsat 8 and 5 …
Published in Journal of Remote Sensing & GIS · Vol. 10, Issue 3, 2019 · pp. 48–57 Read article
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Use of INDEST E-Resources by the Faculty of IITs: Factor Analysis with Designation
Abstract: This study examines the use of INDEST E-Resources by designation wise by Indian Institutes of Technology (IIT) faculty. It also highlights the testing of analysis of variance (ANOVA) basic advantages, disadvantages, augmented purpose, availability and accessibility, limitation of accessing, strength in accessing, expected facilitation, core purpose, value addition, satisfaction, importance, reading pattern with designation wise using INDEST E-Resources by faculty of top seven IITs. The F value is 2.11 and …
Published in Journal of Advancements in Library Sciences · Vol. 4, Issue 3, 2017 · pp. 49–64 Read article
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Performance Evaluation and Yield Stability Test of Released Food Barely (Hordeum Vulgare L.) Varieties in Highland Areas of Siltie and Gurage Zones
Abstract: Improved barley varieties under barley production were limited in study areas. Therefore, testing of food barley varieties including check over locations for their performance is of paramount important in identification of superior varieties for production. The experiments were conducted to identify high yielding and to determine the stability of the varieties, and specifically and widely adapted food barley varieties for the target areas. Combined analysis of variance showed highly significant …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 12, Issue 1, 2022 · pp. 1–10 Read article