Longitudinal Wave in a Thermally Conducting Elastic Medium
Nirakara Pradhan1, Sapan Kumar Samal2
1Nirakara Pradhan, Department. of Mathematics, Kalinga Institute of Technology, Deemed to be University, Bhubaneswar, India.
2Sapan Kumar Samal*, Department of Mathematics, Kalinga Institute of Technology, Deemed to be University, Bhubaneswar.

Manuscript received on November 12, 2019. | Revised Manuscript received on November 23, 2019. | Manuscript published on 30 November, 2019. | PP: 8769-8771 | Volume-8 Issue-4, November 2019. | Retrieval Number: D9205118419/2019©BEIESP | DOI: 10.35940/ijrte.D9205.118419

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Abstract: The longitudinal wave propagation in a thermally conducting elastic medium has been investigated. Considering the equations of motions of longitudinal wave in displacement and temperature field, the frequency equation has been derived. The dispersion and damping equations have been derived for the propagation of longitudinal wave in four materials i.e Copper, Steel, Aluminum, and Lead. Effect of Phase velocity and damping coefficient are shown graphically. It is found that the increase in wave number results the decrease in Phase velocity and increase in damping coefficient.
Keywords: Longitudinal Wave, Thermally Conducting, Phase Velocity, Damping Coefficient.
Scope of the Article: Optical Phase Lock Loop.