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International Journal of Engineering and Advanced Research Technology

Volume 3 Issue 9 (September 2017)

S.No. Title & Authors Page No View
1

Title : Design and Optimization of a Pump as Ecofriendly Hydraulic Turbine by Using Ansys

Authors : Rajesh kumar Verma, Mukesh Kumar Verma, Devvrat Verma

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Abstract :

Energy plays an important role in almost all areas of human and commercial activities. Electricity generation through the non-renewable sources is quite common to meet the demand of the growing population and developing world. But the non-renewable energy sources are not expedient from ecological point of view and also responsible for producing major greenhouse gas (GHG) and promote global warming. These impediments forces to look for other clean and cheap sources for energy generation. The current concern on the global environment has imposed restraints on the production of electricity. The emphasis is put on the development of environmental friendly methods to promote the sustainable social development. It is in these circumstances, that micro hydro power is drawing more attention. The deployment of these technologies not only contributes to a significant percentage of carbon dioxide emission reduction, but also aids to reduce energy consumption and mitigate environmental impact. The need for such eco-friendly technologies in buildings has underpinned significant increases in the application of wind-driven ventilation techniques. This includes turbine ventilator, a wind-driven ventilation device or air extractor that is commonly used in attic, rooftop spaces or loft to facilitate ventilation, control high energy consumption, and improve indoor environment. In order to gain a deeper understanding into existing knowledge in this field, this paper discusses low carbon technology concept and characteristics of turbine ventilator. Furthermore, physical and operating parameters that influence its performance are also discussed. This study focuses on the technical, theoretical and financial analysis of a hydro power plant, which is considered as dependable and sustainable among all other forms of renewable energy. Hydropower energy is broadly used all over the world, whether in the form of mini hydro for a single village or a massive dam to serve the entire country. Industrialized countries have utilized their hydro potential extensively. Under the present investigation, performance analysis of a commercial centrifugal pump provided with movable guide vanes to improve part load efficiency in turbine mode has been carried out using Computational Fluid Dynamic. Complete model for simulation was prepared using Pro-E 2.0 and mesh was generated using ANSYS ‘MESH’. Simulation was carried out for different guide vanes positions using ANSYS ‘FLUENT’. Operating characteristics for modified good agreement has been found between the numerical and experimental results.

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2

Title : Design Analysis of Variable Capacity Reverse Air Bag House

Authors : Thakeshwar Prasad Verma, Mukesh Kumar Verma, Devvrat Verma, Sandeep Agrawal

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Abstract :

In a present day the many industries such as cement, asphalt, sugar, power plants, steel mills, pharmaceutical producers, food manufacturers, chemical producers and other industrial companies handles billion tones of dust each year and does a good job in keeping dust out of the atmosphere. Over the years, the allowable dust emissions from these industries have become lower and lower. Particulate Matter (PM) has impacts on climate and it also adversely affects the human health. Currently using process emission control device in Cement Plant include various types of Bag Houses, Bag Filters and Electro Static Precipitator (ESP).The cement sector has been rapidly growing at a rate over 8% and it is expected to grow further. In view of the growth rate it is expected that more & more cement plants would come up and the existing plants may expand their capacities through up gradation or modernization. Usage of more fly ash, slag is also increasing to create additional production capacity. In order to meet the increasing demand, most cement plants are making efforts to achieve higher production levels, at times by stretching the existing production facilities and by adding additional capacities. On the other hand, the environmental concerns in terms of emissions to atmosphere are also growing. Most cement plants have made considerable efforts in controlling the stack emissions using most efficient control systems like RABH bag filters and ESP, and these plants generally meet the environmental regulations for stack emissions. However, fugitive emissions from various sources in cement plants still remain an area of concern. There have been environmental regulations in terms of preventing/controlling fugitive emissions. Many cement plants though have taken initiatives in controlling fugitive emissions with varying degree of effectiveness. However in general more efforts are required in this area to satisfactorily control the fugitive emissions on sustainable basis. The Indian cement industry is at present going through rapid growth in production and simultaneously improving the de-dusting systems to meet lower emission levels. High cement demand forecasts dictated a very Raw Mill and Short Kiln outage for tie-in of the new collector. This article provides an over view of key issues and considerations that lead to successful installation and minimized loss of plant operating time. Typically Indian cement industries had predominantly used Electrostatic Precipitator (ESP) till about 1985. Now most of the new plants are opting for Bag House for cement Raw Mill and kiln de-dusting over ESP. Over the last few years, imported membrane type filter bags have become cheaper due to lower import duty and favorable exchange rate. At the same time, the steel prices have more than doubled. In today’s situation, membrane filter bags offer lower Capital as well as lower operating cost compared to conventional filter bags. Detailed cost analysis and references for both Reverse Air Bag House and Pulse Jet and type of filter bags is described in details in this article. Anyone involved in the selection of de-dusting equipment for cement plant would find the article very useful.

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3

Title : A Study of Characteristics and Damage Assessment of Short Bamboo Fiber Based Polymer Composites

Authors : Preeti Singh, Mukesh Kumar Verma, Devvrat Verma

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Abstract :

Now-a-days, natural fiber reinforced polymer composites are increasingly being used for varieties of engineering applications due to their many advantages. Among natural fibers, bamboo has been widely used for many such applications due to its availability. Since these composites are finding wide applications in highly dusty environment which are subjected to solid particle erosion, a study of their erosion characteristics are of vital importance. Generally solid particle erosion, a typical wear mode leads to material loss due to repeated impact of solid particles. For a composite material, its mechanical behavior and surface damage by solid particle erosion depends on many factors. Attempts have been made in this paper to explore the potential utilization of bamboo fiber in polymer matrix composites. Therefore, the present research is focused on the mechanical and erosion wear behavior of short bamboo fiber reinforced composites filled with Alumina (Al2O3) particulate. It further outlines a methodology based on Taguchi’s experimental design approach to make a parametric analysis of erosion characteristics. Finally, the morphology of eroded surfaces is examined using scanning electron microscopy (SEM) and possible erosion mechanisms are identified.

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4

Title : Study on the Effect of Sulfur on the Thermal Storage Stability of SBS Modified

Authors : Zhongyu Yuan, Zhirong Jia

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Abstract :

SBS modified asphalt has become one of the main materials of road construction, Its quality has a very important impact on the performance of the road. The heat storage stability of SBS modified asphalt is a key factor affecting its quality. The research on the effect of sulfur on performance of SBS modified shows that the addition of sulfur improves the softening point of SBS modified asphalt, improve the compatibility of SBS and matrix asphalt, improve the heat storage stability of SBS modified asphalt.

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