Thermo acoustic Refrigeration is based on the principles of creation of temperature gradient from sound waves and this theory was first developed in 1960s. Unlike vapour compression system, Thermo acoustic engines uses inert gases which is safe and no adverse effect on the atmosphere like the depletion of ozone layer and global warming.

Even though acoustic Refrigeration is efficient and cost effective its commercial application is warranted the need of more R&D efforts for technology up gradation and standardization without which its eff ....etc

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Composites of shape memory alloys (SMA) with a matrix have been widely studied to suppress the propagation of damage. In these studies, the SMA is used as an actuator. A multi-functional SMA as both sensor and actuator is suitable for constructing intelligent material, such as a material with a sensing and suppressing function. The damage of materials is related to the amount of strain. We studied the use of SMA wire parts as sensors to measure the amount of strain for damage estimation. The acoustic emission (AE) signals induced by phase tran ....etc

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different energy harvesting devices ,techniques used ....etc

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Acoustic cryptanalysis is a side channel attack which exploits sounds, audible or not, produced during a computation or input-output operation. In 2004, Dmitri Asonov and Rakesh Agrawal of the IBM Almaden Research Center announced that computer keyboards and keypads used on telephones and automated teller machines (ATMs) are vulnerable to attacks based on differentiating the sound produced by different keys. Their attack employed a neural network to recognize the key being pressed. By analyzing recorded sounds, they were able to recover the tex ....etc

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Hey,plz do send me the applications,advantages and disadvantages and few interesting slides on Audio finger printing @ Acoustic finger printing... ....etc

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seminar on rainwater harvesting
towseef iqbal
ce 1055
abstract
HW JKIS HYT7S HY NHIYIOS JKJ ....etc

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how to wright seminar report on rain water harvesting? ....etc

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about seminar on acoustic ear scanning technology in to the right box for getting free material and support from us/dedicated premium members...

plz send me complete details abt acoustic ear scanning technology ....etc

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plz send me seminor on acoustic ear scanning
for technical report submisson
it is excellent topic
....etc

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please I want the seminar report of piezoelectric energy harvesting ppt ....etc

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