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Review Paper

Factors that cause delay in construction project- A critical review

The occurrence of a delay in the construction project is a common problem in civil engineering. The delay is defined as a situation where the actual progress of a construction project is slower than the planned schedule or late completion of the project. The problem of delay occurs during the life of the project leading to disputes and litigation. The delay will result in several negative effects like conflicts between owner, contractors and consulting, loss of productivity and exaggerated prices. This paper presents a major construction delay caused by rank order retrieved from past literature. The list of construction delay causes is collected and grouped together, are ranked. The result of this paper gives the major causes of delay.

Published by: Haritha C., Dr. K. Murali

Author: Haritha C.

Paper ID: V4I6-1240

Paper Status: published

Published: November 21, 2018

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Review Paper

A critical review on noise absorbing construction material from waste(s)

This study reveals the concept and applications of noise absorbing panels which is made from different materials both natural and artificial. As a part of green construction and to reduce waste from the coir industry which is located in and around Coimbatore in large numbers. A noise absorbing panel is designed and made from the coir with addition of polypropylene. The prepared sample is tested and the result is compared with other artificial made panels.

Published by: A. Aneesul Nayeem, Dr. K. Murali

Author: A. Aneesul Nayeem

Paper ID: V4I6-1230

Paper Status: published

Published: November 21, 2018

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Research Paper

A coordinated control scheme of PSS and comparison of FACTS devices for improving power system stability

Nowadays, the continuous growth in power demand leads to expansion of the Power System network which makes existing system more sensitive and prone to instability. An important issue associated with the stability of a multi-area power system is low-frequency electromechanical oscillations from the multi-machine system. Generally, Power System Stabilizer (PSS) are used to compensate low-frequency electromechanical oscillation of interconnected Power System, but local PSS does not have global observance and controllability of inter-area low-frequency oscillation because of a control signal of local PSS and generated a local signal. So next resolution is Flexible AC Transmission System (FACTS) device with supplementary controller, that are used for effective damping of low-frequency electromechanical oscillations of interconnected Power System and to improve Power System stability. This paper presents Coordination control of PSS and FACTS Devices to damp out low-frequency electromechanical oscillation. In this research study, we use different FACTS Devices like Static VAR Compensator (SVC), Static Synchronous Series Compensator (SSSC), Static Synchronous Compensator (STATCOM), and Unified Power Flow Compensator (UPFC) to damp out low frequency electromechanical oscillation from a Multi-machine Power System and improve the stability of Interconnected Power System. Analyzing result of all FACTS devices on simulation, we found that UPFC gives a better response. Due to re-activeness, FACTS device like UPFC are considered and assessed for their damping controller design. In this research, we studied the implementation of supplementary Power Oscillation Damping (POD) Controller to control UPFC. POD Controller are designed to improve the dynamic performance of interconnected Power System under the transient condition to stabilize Power System. Some simulation results are carried out on Kundur Two area Four Machine systems under small disturbances. From simulation result, it reveals that the proposed controller damp-out low-frequency electromechanical oscillations effectively to improve Power System stability under small disturbance.

Published by: Kiran Singh, Rohit Kumar, Prabhakar Kumar

Author: Kiran Singh

Paper ID: V4I6-1256

Paper Status: published

Published: November 21, 2018

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Review Paper

Educational aspects of internet

The Internet has played a prominent role in evolving student-teacher relationship. Of late, the relationship has been evolving over the WEB CLASS. With various advancements in the field of internet and the world wide web, the involvement and communication between students and teachers have increased. Unlike the traditional classrooms where learning takes place face-to-face, online classes rely on one or more electronic mediums. Such virtual classrooms are gaining prominence and popularity and are steadily turning into an inseparable part of our lives. This is because of the ease with which information can be shared over electronic media. With the ever-increasing number of internet points, e-learning is also gaining momentum. E-Learning has proved to be a boon for all students, especially for the ones who are disabled and find it cumbersome to move to a certain physical location. Such needs demand the development of as many open source software as possible for producing high-quality multimedia content for e-learning. Since e-learning is coming across as an evolving concept in today's instructive scenario, much focus has been diverted towards its various formats, for example, learning management systems (LMSs) and massive open online courses (MOOCs). The main aims of this paper are: (a) to get a glimpse of the history of e-learning, (b) to discuss the various applications of e-web classes, (c) to compare and contrast the various e-web classes available

Published by: Digant Kaushik, Archit Garg, Dr. Balamurugan J.

Author: Digant Kaushik

Paper ID: V4I6-1203

Paper Status: published

Published: November 21, 2018

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Review Paper

Bandwidth optimization using different algorithm techniques in wireless sensor networks

The main aim of this bandwidth optimization is to transmit data packets from the sender to the receiver without any time delay and loss of packets. Using high bandwidth utilization we can send data to the users with low delay. In this paper, we discussed many algorithm techniques which can minimize the energy consumption, minimal time delay, avoiding un-usable bandwidth on the routing network, execution time. It makes a flexible network between users, avoid traffic rules and provide good network services between the peer to peer systems. The main purpose of this optimization is to provide quality packets from sender to receiver and vice versa at the same time, like a video or audio data by initializing without loss of any IP address. It builds a large bandwidth to transmission of data from source to destination. And it reduces the unusable bandwidth. We used some logarithms to transfer the data in equal time and increase bandwidth as well as transmission of speed.

Published by: P. Rupesh Reddy, K. Venkata Pavan, A. Dinesh Reddy, R. Manikanta, Dr. I. Chandra

Author: P. Rupesh Reddy

Paper ID: V4I6-1234

Paper Status: published

Published: November 21, 2018

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Research Paper

Evaluation of STPs in Jamshedpur city: design of a 45mld STP and reuse option in Jamshedpur city

Effluent quality of the treated wastewater is an important parameter for its reuse. Comprehensive data on the raw and treated effluent of domestic, medical, industrial effluent characteristic are not available in Jamshedpur city, therefore a comparative study of the existing treatment plants in the city was carried out to access the effluent quality for present and future reuse. The study further evaluates the water of 6 STPs in Jamshedpur and 1 STP in Puri. For the reuse of the treated wastewater four parameters are necessary to check i.e. BOD, COD, TSS, pH which was carried out in the study. These STPs are based on the Activated Sludge Process (ASP), Anaerobic treatment (UASBR), BIOFORE, MBBR. STPs employing MBBR and UASBR technology showed the better removal of COD, BOD, and TSS removal as compared to other treatment process based on STPs. There could be improvisation in the current wastewater treatment for better treatment so; a proposed treatment scheme is designed for wastewater treatment plant after the study of different treatment plants. Based upon the physical, chemical, and microbiological removal efficiencies, the actual integrated efficiency of each STP was calculated (IEa) to evaluate its suitability for reuse in irrigation, gardening, and industrial purpose. Two biggest plants of Jamshedpur “kharkai” and “bara” required modification in the treatment process for better reuse of the effluent. Possible reuse option in Jamshedpur and Puri depending on the geographical location has been investigated which include gardening, automobile washing, boiler feed, cooling towers, irrigation, etc. All the experiments were done in Bara laboratory and some necessary data were taken from JUSCO Ltd (Jamshedpur).

Published by: Kumar Rishabh, Pawan Taneja, Arijit Chakraborty, Prakash Nigam, Pratibha Warwade

Author: Kumar Rishabh

Paper ID: V4I6-1232

Paper Status: published

Published: November 21, 2018

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