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Soni, Sandeep
- Feed Forward System and Feedback System:The Basic Noise Control System
Abstract Views :180 |
PDF Views:5
Authors
Anita
1,
Sandeep Soni
2
Affiliations
1 Maharshi Dayanand University, Rohtak, Haryana, IN
2 Department of Electrical Engineering, Manav Institute of Engg., Jevra, Hisar, Haryana, IN
1 Maharshi Dayanand University, Rohtak, Haryana, IN
2 Department of Electrical Engineering, Manav Institute of Engg., Jevra, Hisar, Haryana, IN
Source
International Journal of Science, Engineering and Computer Technology, Vol 7, No 2 (2017), Pagination: 179-182Abstract
The present paper reviews on the basic noise control system i.e. feedforward system and feedback system. In applications of active noise control, the cancelling signal is generated electronically and introduced into the system using transducers such as loudspeakers that convert the electronic signal to sound. In many cases, the physical mechanism responsible for the reduction of the unwanted noise is a little more subtle than mere cancellation. In cases where cancellation is the only control mechanism, the noise level may be reduced at some locations, but will be increased at others so that the total energy of the unwanted noise and the cancelling sound is conserved.Keywords
Noise Control System, Feedforward System, Feedback System.
- Understanding Acoustic and Vibration Sources for Noise Control
Abstract Views :212 |
PDF Views:5
Authors
Anita
1,
Sandeep Soni
2
Affiliations
1 Department of Electrical Engineering, Maharshi Dayanand University, Rohtak, Haryana, IN
2 Department of Electrical Engineering, Manav Institute of Engg., Jevra, Hisar, Haryana, IN
1 Department of Electrical Engineering, Maharshi Dayanand University, Rohtak, Haryana, IN
2 Department of Electrical Engineering, Manav Institute of Engg., Jevra, Hisar, Haryana, IN
Source
International Journal of Science, Engineering and Computer Technology, Vol 7, No 2 (2017), Pagination: 185-188Abstract
The present paper reviews on acoustic and vibration sources for voices for noise control. Typical acoustic sources include loudspeakers and horn drivers in noise control. Vibration sources are used sometimes to control the vibration of surfaces which are radiating the unwanted sound. The yypical vibration actuators are piezoelectric patches, piezoelectric stacks, magnetostrictive actuators, electrodynamic shakers, inertial shakers, electromagnetic actuators, hydraulic and pneumatic shakers.Keywords
Acoustic Sources, Vibration Sources, Noise Control.- Coating on Surface by Different Methods – A Review
Abstract Views :197 |
PDF Views:0
Authors
Affiliations
1 Department of Mechanical Engineering, SVNIT, Surat, Gujarat, IN
1 Department of Mechanical Engineering, SVNIT, Surat, Gujarat, IN
Source
Manufacturing Technology Today, Vol 19, No 1-2 (2020), Pagination: 10-16Abstract
The material has different properties, because of this properties material have different application. Sometime due to chemical reaction corrosion is done on material surface, due to oxide material degradation is occur and impact of solid particles on surface erosion is occur. So to increase the corrosion resistance different kind of coatings can be done on surface like steel, aluminums, alloys. This corrosion decreases the life of the material and decrease the properties. For coating deposition laser cladding, magnetron-sputtering, thermal spray (HVOF) methods are use. This coating is requiring in aerospace application, oil and gas industries, high temperature application and turbine industry.Keywords
Degradation, Coatings, Hot Corrosion, Erosion, Oxidation, Prevention.References
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