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Madhu P.,RVS Technical Campus
International Journal of ChemTech Research | Year: 2016

Pyrolysis of biomass is a means to industrially manufacture renewable oil and gas, in addition to biochar for soil amendment and long-term carbon fixation. In this work, bio oil derived from the flash pyrolysis of palmyra palm fruit bunch are analysed using gas chromatography mass spectroscopy technique. The pyrolysis oil fraction exhibits a wide variety of fatty acids, alkanes, alkenes, amides, aldehydes, terpenes, pyrrolidinines, phytol and phenols. In this work the gas chromatography–mass spectroscopy was developed and applied for the analysis of various chemicals present in the pyrolysis bio oil. More than 250 chemical compounds were identified. Most of these compounds have not been reported earlier. The increase in the number of identified chemical products is due to increased separations. The method described in this article is a suitable research tool for the determination of various chemical compounds from pyrolysis bio oil. © 2016, Sphinx Knowledge House. All rights reserved.


Vincylloyd F.,RVS Technical Campus
Scientific World Journal | Year: 2015

In wireless communication systems, mobility tracking deals with determining a mobile subscriber (MS) covering the area serviced by the wireless network. Tracking a mobile subscriber is governed by the two fundamental components called location updating (LU) and paging. This paper presents a novel hybrid method using a krill herd algorithm designed to optimize the location area (LA) within available spectrum such that total network cost, comprising location update (LU) cost and cost for paging, is minimized without compromise. Based on various mobility patterns of users and network architecture, the design of the LR area is formulated as a combinatorial optimization problem. Numerical results indicate that the proposed model provides a more accurate update boundary in real environment than that derived from a hexagonal cell configuration with a random walk movement pattern. The proposed model allows the network to maintain a better balance between the processing incurred due to location update and the radio bandwidth utilized for paging between call arrivals. © 2015 F. Vincylloyd and B. Anand.


Sekaran A.,RVS Technical Campus | Balaraju S.,RVS Technical Campus
Scientific World Journal | Year: 2015

Environmental and economic factors increasingly encourage higher utility of industrial by-products. The basic objective of this study was to identify alternative source for good quality aggregates which is depleting very fast due to fast pace of construction activities in India. EAF oxidizing slag as a by-product obtained during the process in steel making industry provides great opportunity to utilize it as an alternative to normally available coarse aggregates. The primary aim of this research was to evaluate the physical, mechanical, and durability properties of concrete made with EAF oxidizing slag in addition to supplementary cementing material fly ash. This study presents the experimental investigations carried out on concrete grades of M20 and M30 with three mixes: (i) Mix A, conventional concrete mix with no material substitution, (ii) Mix B, 30% replacement of cement with fly ash, and (iii) Mix C, 30% replacement of cement with fly ash and 50% replacement of coarse aggregate with EAF oxidizing slag. Tests were conducted to determine mechanical and durability properties up to the age of 90 days. The test results concluded that concrete made with EAF oxidizing slag and fly ash (Mix C) had greater strength and durability characteristics when compared to Mix A and Mix B. Based on the overall observations, it could be recommended that EAF oxidizing slag and fly ash could be effectively utilized as coarse aggregate replacement and cement replacement in all concrete applications. © 2015 Alan Sekaran et al.


Kanchana S.,RVS Technical Campus | Joseph S.,Karpagam University
Scientific World Journal | Year: 2015

Construction industry has accomplished extensive growth worldwide particularly in past few decades. For a construction project to be successful, safety of the structures as well as that of the personnel is of utmost importance. The safety issues are to be considered right from the design stage till the completion and handing over of the structure. Construction industry employs skilled and unskilled labourers subject to construction site accidents and health risks. A proper coordination between contractors, clients, and workforce is needed for safe work conditions which are very much lacking in Indian construction companies. Though labour safety laws are available, the numerous accidents taking place at construction sites are continuing. Management commitment towards health and safety of the workers is also lagging. A detailed literature study was carried out to understand the causes of accidents, preventive measures, and development of safe work environment. This paper presents the results of a questionnaire survey, which was distributed among various categories of construction workers in Kerala region. The paper examines and discusses in detail the total working hours, work shifts, nativity of the workers, number of accidents, and type of injuries taking place in small and large construction sites. © 2015 S. Kanchana et al.


PubMed | RVS Technical Campus
Type: | Journal: TheScientificWorldJournal | Year: 2015

Environmental and economic factors increasingly encourage higher utility of industrial by-products. The basic objective of this study was to identify alternative source for good quality aggregates which is depleting very fast due to fast pace of construction activities in India. EAF oxidizing slag as a by-product obtained during the process in steel making industry provides great opportunity to utilize it as an alternative to normally available coarse aggregates. The primary aim of this research was to evaluate the physical, mechanical, and durability properties of concrete made with EAF oxidizing slag in addition to supplementary cementing material fly ash. This study presents the experimental investigations carried out on concrete grades of M20 and M30 with three mixes: (i) Mix A, conventional concrete mix with no material substitution, (ii) Mix B, 30% replacement of cement with fly ash, and (iii) Mix C, 30% replacement of cement with fly ash and 50% replacement of coarse aggregate with EAF oxidizing slag. Tests were conducted to determine mechanical and durability properties up to the age of 90 days. The test results concluded that concrete made with EAF oxidizing slag and fly ash (Mix C) had greater strength and durability characteristics when compared to Mix A and Mix B. Based on the overall observations, it could be recommended that EAF oxidizing slag and fly ash could be effectively utilized as coarse aggregate replacement and cement replacement in all concrete applications.


PubMed | RVS Technical Campus and Karpagam University
Type: | Journal: TheScientificWorldJournal | Year: 2016

Construction industry has accomplished extensive growth worldwide particularly in past few decades. For a construction project to be successful, safety of the structures as well as that of the personnel is of utmost importance. The safety issues are to be considered right from the design stage till the completion and handing over of the structure. Construction industry employs skilled and unskilled labourers subject to construction site accidents and health risks. A proper coordination between contractors, clients, and workforce is needed for safe work conditions which are very much lacking in Indian construction companies. Though labour safety laws are available, the numerous accidents taking place at construction sites are continuing. Management commitment towards health and safety of the workers is also lagging. A detailed literature study was carried out to understand the causes of accidents, preventive measures, and development of safe work environment. This paper presents the results of a questionnaire survey, which was distributed among various categories of construction workers in Kerala region. The paper examines and discusses in detail the total working hours, work shifts, nativity of the workers, number of accidents, and type of injuries taking place in small and large construction sites.


PubMed | RVS Technical Campus
Type: | Journal: TheScientificWorldJournal | Year: 2015

In wireless communication systems, mobility tracking deals with determining a mobile subscriber (MS) covering the area serviced by the wireless network. Tracking a mobile subscriber is governed by the two fundamental components called location updating (LU) and paging. This paper presents a novel hybrid method using a krill herd algorithm designed to optimize the location area (LA) within available spectrum such that total network cost, comprising location update (LU) cost and cost for paging, is minimized without compromise. Based on various mobility patterns of users and network architecture, the design of the LR area is formulated as a combinatorial optimization problem. Numerical results indicate that the proposed model provides a more accurate update boundary in real environment than that derived from a hexagonal cell configuration with a random walk movement pattern. The proposed model allows the network to maintain a better balance between the processing incurred due to location update and the radio bandwidth utilized for paging between call arrivals.


Mouleeswaran S.K.,RVS Technical Campus | Grace Selvarani A.,Sri Ramakrishna Engineering College | Kanya Devi J.,Coimbatore Institute of Technology
Asian Journal of Information Technology | Year: 2016

The cloud computing is visualized as next generation framework for IT enterprise. The technology shifts the software and database to huge fixed central centers where the data management and services are not trustworthy. The technology gives rise to challenges in security which is of prime focus. The study focuses on ensuring security in storing data into cloud system. The third party auditor is allowed on behalf of cloud user for verifying the integrity of dynamicity of data stored into cloud. The third party auditor removes the participation of users through auditing of whether the data hoarded into cloud is certainly intact which is important in achieving the economy for cloud computing. The dynamicity in data is achieved via general forms of data like chunk alteration inclusion and removal which is a significant because the services in cloud systems are not limited for archiving the data. The conventional schemes on assuring data integrity do not support public audits or data dynamicity. The problems in identifying the complexity and security with updates in dynamic data from the earlier works and paved a way for designing a verification scheme for aggregating the above features. In order to achieve data dynamics and for supporting multiple auditing tasks a technique for combining signature are proposed which performs the task of auditing continuously. The security and performance analysis of the proposed scheme are effective and secure. © Medwell Journals, 2016.


Devaraj J.,Coimbatore Institute of Technology | Robinson Y.,RVS Technical Campus | Ganapathi P.,RVS Technical Campus
Energy | Year: 2015

The oil obtained by pyrolysis of waste plastics can be used as an alternate fuel for diesel engine without making any modification to the engine. The WPPO (waste plastic pyrolysis oil) mixed with 5% and 10% DEE (diethyl ether) were used as fuels for single cylinder water cooled, DI engine and its performance, emission and combustion characteristics were found. The experimental results indicated the reduction in smoke levels with that of baseline waste plastic pyrolysis oil. The BTE (brake thermal efficiency) increased when compared to pure plastic pyrolysis oil and diesel. The pollutants such as CO (carbon monoxide) and NOx (nitrous oxide) were reduced in the blend. It was observed that addition of oxygenates had improved the combustion process and reduced the emissions. The investigation revealed that blending of DEE with plastic oil increases the Cetane rating which is superior to neat diesel. © 2015 Elsevier Ltd.


Ganapathi P.,RVS Technical Campus | Robinson Y.,RVS Technical Campus
International Review of Mechanical Engineering | Year: 2013

This paper describes an experimental study of using polymer oil obtained from the plastic waste as a fuel in diesel engine. In this study, the effects of using polymer oil - ethanol fuel blends [PE10, PE20] on the engine performance, exhaust emissions and combustion characteristics have been experimentally investigated. In the present work, 10% ethanol and 90% polymer oil, called here as PE10 and 20% Ethanol and 80% polymer oil called here as PE20 were used in a single cylinder four stroke, water cooled diesel engine. The engine fuelled by the blends is comparable with that fuelled by diesel. The experimental result showed that the carbon monoxide, carbondioxide, Oxides of nitrogen and smoke were significantly reduced. Unburned hydrocarbon, brake specific fuel consumption and brake thermal efficiency were found to have increased with ethanol-polymer oil blends. © 2013 Praise Worthy Prize S.r.L-All rights reserved.

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