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Research Paper

Power factor correction in KY Converter fed Switched Reluctance Motor

This paper presents a PF (Power Factor Correction) converter for switched reluctance motor (SRM) drive. Here, KY Converter is proposed for a wide variation of speed control and achieving power correction at AC mains. The converter has a switching frequency of 20 kHz. The KY Converter is a step up converter. The name given to this converter is the first letter of the authors, K.I. Hwu, Y. T. Yau. The KY converter always operate in CCM, and the output current is non-pulsating, and output voltage ripple is low and has higher voltage boosting capability. Normally the converter is used as a power converter for SRM drive is the asymmetric converter. Conventionally three phase ac mains is fed to bridge rectifier is used as a dc source to feed this power converter which possesses a high content of harmonics at ac mains with a very low power factor. The proposed converter reduces a conduction loss, input current ripple, torque ripples and also the Total Harmonic Distortion (THD) and improves power factor. A nearly unity power factor (PF) and 2.97% total harmonic distortion (THD) of input ac current are acquired with maximum efficiency. Thus the presented converter topology gives many advantages for many variable speed drive applications.

Published by: Susmita Suresh Payamalle, J. O. Chandle

Author: Susmita Suresh Payamalle

Paper ID: V5I3-1982

Paper Status: published

Published: June 22, 2019

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Research Paper

A two-parameter fourth-order methods for solving nonlinear equations

In this paper, we present two-parameter iterative methods for solving nonlinear equations. Convergence analysis shows that the new methods converge of order four. Some illustrative examples are solved to show the validity of our method.

Published by: Nor Ahmad

Author: Nor Ahmad

Paper ID: V5I3-1965

Paper Status: published

Published: June 22, 2019

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Case Study

Study of tactical alignment of business and IT in education systems

Business - IT alignment (BITA) is one of the most widely discussed topics for the last decade in the area of Information Systems Planning and Management as it stresses the importance of the technology, business management, and an amalgamation of the two that holds the promise for obtaining the sustainable advantage of business organizations in the long run. Business Information Technology Alignment (BITA) has been found to improve firm performance. Yet little is known about the process through which universities/colleges achieve BITA. It the fastest-growing economy in the world.

Published by: Prajwalita A. Veronica Masih, Dipak Misra, Sanjay Mohapatra

Author: Prajwalita A. Veronica Masih

Paper ID: V5I3-1930

Paper Status: published

Published: June 22, 2019

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Research Paper

Study on behavior of SIFCON produced with low tensile strength steel fibre

The acronym SIFCON stands for Slurry Infiltrated Fibre Concrete. SIFCON is a unique kind of fibre reinforced concrete (FRC) which has large volume percentages of fibre. In SIFCON we can use fibre from 5 to 20 % of the volume of the cube in comparison with FRC; which contains fiber only from 2% to 5% by volume of the cube because of clustering and balling problem. The SIFCON can also be used in wear & tear cases since it consists of a high-performance ductile layer of high fibre concrete. Although it does not perform any load-bearing function since it is only used in very thin layers. In this research work we have used 6%, 12% and 18% of steel fibre by volume of 150 mm × 150 mm × 150 mm cube to find out the strength and compare it with SIFCON which is produced due to partial replacement of cement with the powder of glass. Glass is a non-crystalline brittle and hard, somewhat transparent material produced by fusion, usually consisting of mutually dissolved silicate and silica that also contains lime and soda. The waste glass contains high silica due to which when this waste glass is ground to a very fine powder which reacts with alkalis in cement and forms a cementitious product which helps in the contribution of strength. In this work 5%, 10%, 15% & 20% Glass powder is replaced by weight of cement.

Published by: Krishan Mani Pandey, Anurag

Author: Krishan Mani Pandey

Paper ID: V5I3-1985

Paper Status: published

Published: June 21, 2019

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Research Paper

Quasi experimental study to assess effectiveness of video teaching programme on knowledge regarding prevention and first aid management of selected home accidents among mothers of under five children residing in selected villages of District. Sirmour, Himachal Pradesh

Accidents are the main cause of injury and even death in children. People only relate accidents to a traffic accident or accidents in outdoor activities. However, as a matter of fact, the place where people regard as the safest place–home–hides many “hazards”. Accidents are a major cause of morbidity and mortality in children. The largest number of accidents happen in the living/dining room. However, the most serious accidents happen in the kitchen and on the stairs. Every year more than 67,000 children experience an accident in the kitchen - 43,000 of these are aged between 0-4 years; 58,000 children have accidents on the stairs. About 90% of all accidents are preventable by safety measures. Most of these accidents are preventable through increased awareness, improvements in the home environment and greater product safety. Objective: To evaluate the effectiveness of video teaching programme on knowledge regarding prevention and first aid management of selected home accidents. The study adopted quasi-experimental pretest-post control group test research design and was conducted at selected villages of District Sirmour, H.P. A total of 60 mothers (30 experimental groups) (30 control group) were selected by Non-probability convenience sampling technique. A structured knowledge questionnaire was used to assess the knowledge regarding prevention and first aid management of selected home accidents among mothers of under-five children. Data analysis was done by descriptive and inferential statistics. The study results showed that in experimental group knowledge pre-test mean ±SD was (18.50± 3.739) and post-test mean and SD was (23.87 ± 2.177) and p<0.05 level of significance i.e. (0.001**). There is a highly significant increase in knowledge of mothers of under-five children after the video teaching programme. Hence it is proved that the research hypothesis is accepted. In the control group pre-test mean and SD was (19.30 ± 2.731) and post-test mean and SD was (20.00 ± 2.378). By organizing and providing the educational aid session we can improve the awareness and motivation to prevent household accident among under five children.

Published by: Monika Thakur, Isha Thakur Dharni

Author: Monika Thakur

Paper ID: V5I3-1956

Paper Status: published

Published: June 21, 2019

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Review Paper

Neutrophil Extracellular Traps – The catapult of periodontal disease

Neutrophils are highly versatile and sophisticated cells which act as the body’s first line of defence. They act as effectors in both innate and adaptive immunoregulatory networks. Neutrophil extracellular traps are a new and unexpected antimicrobial activity of neutrophils wherein upon encountering bacteria, neutrophils release a meshlike structure capable of ensnaring and eliminating microbes. Studies have shown that periodontitis is characterized by neutrophil infiltration and the formation of Neutrophil Extracellular Traps (NETs). This review is intended to highlight the structure and formation of NET, NETosis, NET in health and disease and the role of NET production in periodontal pathophysiology.

Published by: Dr. Sharon J. Thomas, Dr. Arunima P. R., Dr. Seba Abraham, Dr. Reejamol K.

Author: Dr. Sharon J. Thomas

Paper ID: V5I3-1954

Paper Status: published

Published: June 21, 2019

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