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Experimentation of Diffuser Augmented Wind Turbine

Wind lens is the collection-acceleration device which shrouds a wind turbine. For given turbine diameter, the power augmentation can be achieved by Shroud diffuser, popularly known as wind lens. In this paper, a comparative numerical prediction of mass flow rates in the wind turbine has been carried out with various types of wind lens like straight diffuser with a brim, curved diffuser with the brim, stepped diffuser with the brim, bumped diffuser with the brim. All these eight diffusers are firstly analyzed in Ansys Fluent R14.5 for its velocity variation and pressure variation at inlet and outlet of the diffuser. From the CFD result From above CFD analysis, it is concluded that stepped diffuser with brim shows the higher percentage increase in velocity i.e. 80.33 %, as compared to bare wind turbine so stepped diffuser gave the good performance.

Published by: Ajitkumar Manedeshmukh, S. G Kulkarni, S. R Koli

Author: Ajitkumar Manedeshmukh

Paper ID: V3I2-1495

Paper Status: published

Published: April 14, 2017

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A Review Paper on Novel Approach for Removing Salt-And-Pepper Noise Using Trimmed Median Filter

We know that when we transmit data from transmitter to receiver definitely various types of noises added automatically to our main data and it’s very tough task at the receiver side to get exact data whatever be transmitted from transmitter side. In this review paper, our focus is to remove salt and pepper noise from contaminated image. Therefore we studied various research paper and finally we came to decision that various types filters are available and every filter is used for specific types of noise means used to remove noise. In our research work, we studied the concept of restoration of the pixel. Besides this, we deeply study various research paper in which we will extract salt and pepper noise by using a filter. There are many filters used to remove noise from an image. Every filter has its own advantages and disadvantages. So we have to select which type of filter is suited for us to carry out the desired result according to our interest. Noise removal from images is a part of image restoration in which we try to reconstruct or recover an image that has been degraded by using a priori knowledge of the degradation phenomenon. Noises present in images can be of various types with their characteristic Probability Distribution Functions (PDF). Noise removal techniques depend on the kind of noise present in the image rather than on the image itself. This paper explores the effects of applying noise reduction filters having similar properties on noisy images with an emphasis on Signal-to-Noise-Ratio (SNR) value estimation for comparing the results.

Published by: Minakshi, Suraj Rana

Author: Minakshi

Paper ID: V3I2-1494

Paper Status: published

Published: April 14, 2017

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Review Paper on Integration of Robust Different Hierarchical Routing Protocol of Wireless Sensor Network

Wireless Sensor Networks consist of small nodes with sensing and computation, communication capabilities. Wireless network is highly dependent on the specific application and are constrained by energy, storage capacity, and power. To increase the lifetime of networks, energy awareness is the essential consideration if we analyze routing protocols. Routing protocols of sensor networks are responsible for maintaining the routes in the network. In this paper, we analyze recent routing protocols for wireless sensor network and classify in three types of approaches according to network architecture in WSN. The three main categories on the basis of network structure: Flat, Hierarchical and location based routing protocols. We study the trade-off between energy and communication overhead savings in every routing protocol. We also highlighted the advantages and performance issues of each routing technique.

Published by: Nikita Balhara, Tajendar Malik

Author: Nikita Balhara

Paper ID: V3I2-1493

Paper Status: published

Published: April 14, 2017

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A Review Paper on Comparative Research Analysis on LTE Techniques to Reduce Paper in Multi-Carrier Communication Systems

As we know in today world communication is increasing exponentially. We want the best quality of service at economical cost and at high speed. When we look in deep how these parameters can be carried out then lots of problems arises in front of us and one of them is PAPR. There are various technique to reduce like tone injection, OFDM is a multi-carrier transmission scheme. This is used in 4th generation wireless communication. The main advantage of OFDM, cross talk between the sub-channels is eliminated and intercarrier bands are not required. Coin have two sides similarly OFDM have some advantages and disadvantages, according to this quotation there has a major drawback arises in the OFDM is known as a PAPR (Peak to average power ratio). PAPR reduction techniques, based on computational complexity, bandwidth expansion, spectral spillage, and performance. PAPR problem is reduced by the technique.

Published by: Ritu, Tajendar Malik

Author: Ritu

Paper ID: V3I2-1492

Paper Status: published

Published: April 14, 2017

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A Review Paper on Improvement of Coexistence of LTE Femtocell Network with Dynamic Resource Allocation

A cognitive femtocell is a new small cell based on a smart home base station to solve the spectrum scarcity problem. Recently, dedicated resource allocation for cognitive femtocells is extensively researched to mitigate the co-channel interference. However, the cognitive femtocell may suffer from the lack of frequency resource for its users due to high data traffic load of the macro cell. Interference control and quality-of-service (QoS) awareness are the major challenges for resource management in orthogonal frequency-division multiple access femtocell networks. There should be a self-organization strategy for physical resource block (PRB) allocation with QoS constraints to avoid the co-channel and co-tiered interference. Femtocell self-organization including self-configuration and self-optimization is proposed to manage the large femtocell networks. Recently, operators have resorted to femtocell networks in order to enhance indoor coverage and quality of service since macro-antennas fail to reach these objectives. Nevertheless, they are confronted with many challenges to make a success of femtocells deployment. In this paper, we address the issue of resources allocation in femtocell networks using OFDMA technology (e.g., WiMAX, LTE). Specifically, we propose a hybrid centralized/distributed resource allocation strategy

Published by: Annu Kumari, Suraj Rana

Author: Annu Kumari

Paper ID: V3I2-1490

Paper Status: published

Published: April 14, 2017

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Review Paper on Design and Simulation Result Analysis of Data Aggregation in Ns2 for WSN with Security

Nowadays, Wireless Sensor Networks (WSN’s) are becoming more and more promising and applicable to a variety of fields: military, environmental, medical, wildlife habitat, and transportation as well wearable devices, target-tracking. Wireless sensor networks (WSNs) have significant potential in many application domains such as agriculture, health, environmental monitoring, battlefield surveillance, and wildfire detection. They, however, cannot be used in large geographical areas due to the short communication range of sensors. In addition, sensor networks have been the lack of available network management and control tools, such as for determining the degree of data aggregation prior to transforming it into useful information. Designing different network management tools such for routing, localization, and data aggregation is, therefore, required in large scale WSNs. Only a few of the existing data aggregation methods have been developed for a large scale WSN. In this paper, we have done a review of some literature and techniques for data aggregation in large scale WSN.

Published by: Rachna Kumari, Sunil Dalal

Author: Rachna Kumari

Paper ID: V3I2-1489

Paper Status: published

Published: April 14, 2017

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