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Padmavathy, R.
- Acoustic, Thermodynamic and Spectroscopic Study on Non-aqueous Solution of Imidazolium Haliide
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Authors
Affiliations
1 Department of Physics, Seethalakshmi Ramaswami College, Tiruchirapalli-2.
2 Department of Chemistry, Seethalakshmi Ramaswami College, Tiruchirapalli-2.
1 Department of Physics, Seethalakshmi Ramaswami College, Tiruchirapalli-2.
2 Department of Chemistry, Seethalakshmi Ramaswami College, Tiruchirapalli-2.
Source
International Journal of Pure and Applied Physics, Vol 9, No 1 (2013), Pagination: 1-12Abstract
Infrared spectroscopic techniques are widely used as a tool with unique capability and sensitivity. In the present study, FT-IR spectra are recorded for 1-butyl-3-methyl imidazolium chloride and its solution in non-aqueous solution in the wave number region from 4000cm-1 to 450cm-1. The ultrasonic velocity, density and viscosity of imidazolium halide in non-aqueous solution were measured at different temperatures with various concentrations. The thermo acoustic parameters such as adiabatic compressibility, intermolecular free length, specific acoustic impedance, Rao's Constant, Wada's Constant, internal pressure and free volume were computed with the help of ultrasonic velocity, viscosity and density. From the computation that there is a strong solute-solvent interaction due to high cohesive energy exists. The results are also compared with FT-IR spectrum. The results obtained from FTIR analysis are found to be in good agreement with acoustic and thermodynamic studies.Keywords
Ultrasonic Velocity, Adiabatic Compressibility, Specific Acoustic Impedance, Vibrational Spectra
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- Analysis of Various Routing Protocol in Wireless Sensor Networks
Abstract Views :160 |
PDF Views:3
Authors
Affiliations
1 KTVR Knowledge Park for Engineering and Technology, IN
2 KPR Institute of Engineering and Technology, IN
1 KTVR Knowledge Park for Engineering and Technology, IN
2 KPR Institute of Engineering and Technology, IN
Source
Wireless Communication, Vol 4, No 15 (2012), Pagination: 900-903Abstract
Wireless sensor networks have been identified as one of the most important technologies in the 21st century for various applications. Recent advances in wireless sensor networks have led to many new protocols specifically designed for sensor networks where energy awareness is an essential consideration. The proposed Secure, ANT and Energy Aware Geographic Routing Protocol (SEAGRP) for wireless sensor networks to extend the complete.
Security architecture and the life time of the network. A key feature in the design of Secured Ex-SMAC is its independence from the underlying wireless technology used by network nodes to form the backbone. Extensive simulations have been performed in large-scale network scenarios using NetworkSimulator-2.
The proposed protocol is an efficient and energy conservative routing technique for multi hop wireless sensor networks. The architecture considerably reducing energy consumption for the network by selecting highest minimum energy route for data transmission, with a negligible impact on the network.
Keywords
Energy Efficiency, Network Lifetime, Wireless Sensor Networks, Group of Cluster Heads (GCH), Energy Efficient Routing Ex-SMAC, EAGRP.- Solvation Number and Optical Absorbance Studies in Polyaniline Derivatives
Abstract Views :176 |
PDF Views:6
Authors
Affiliations
1 Department of Physics, Seethalakshmi Ramaswami College, Tiruchirappalli-620002, IN
1 Department of Physics, Seethalakshmi Ramaswami College, Tiruchirappalli-620002, IN
Source
Journal of Pure and Applied Ultrasonics, Vol 37, No 4 (2015), Pagination: 63-67Abstract
Over the past two decades the polyaniline has received the greatest attention due to its stability, easy synthesis and the potential as a material for numerous applications. This makes PANI an attractive material for researchers. The solvation number in the polyaniline solution has been found to be of great interest during the recent years. Solvation number has effects of both physical and chemical. In the present work the solvation number on some polyaniline derivatives is analysed. The solutions of some polyaniline derivative are prepared for different molalities and measured at various temperatures. Solvation number of solutions depends on the number of moles of the solute and the solvent molecules present in the solution. The optical absorption spectra suggests that the presence of molecular interaction between the PANI and the solvent through enolic form. This analysis also confirms the dual nature of the solvent.Keywords
Polyaniline, Solvation Number, Optical Absorption.Full Text