Applications of ultra sound?
Answers
Answer:
Cleaning:
In objects with parts that are difficult to reach, for example, spiral tubes and electronic components, the process of ultrasonic cleaning is used. Here, the object is dipped in a solution of suitable cleaning material and ultrasonic waves are passed into it. As a result of this, high-frequency waves are generated that cause the dirt and grease to detach from the surface.
Application of Ultrasound
Detection of cracks:
Ultrasound is used to detect cracks in the metallic components that are used in the construction of high rise structures such as buildings and bridges. They generate and display an ultrasonic waveform that is interpreted by a trained operator, often with the aid of analysis software, to locate and categorize flaws in test pieces. High-frequency sound waves reflect from flaws in predictable ways, producing distinctive echo patterns that can be displayed and recorded by portable instruments. A trained operator identifies specific echo patterns corresponding to the echo response from good parts and from representative flaws. The echo pattern from a test piece may then be compared to the patterns from these calibration standards to determine its condition.
Echocardiography:
In the process of electrocardiography, the ultrasonic waves are used to form an image of the heart using reflection and detection of these waves from various parts.
Ultrasonography:
Medical ultrasound is a diagnostic imaging technique based on it. It is used for the imaging of internal body structures such as muscles, joints and internal organs. Ultrasonic images are known as sonograms. In this process, pulses of ultrasound are sent to the tissue using a probe. The sound echoes off the tissue, where different tissues reflect sound varying in degrees. These echoes are recorded and displayed an image.
Lithotripsy:
Ultrasonic waves are used to break stones in the kidney. High energy sound waves are passed through the body without injuring it and break the stone into small pieces. These small pieces move through the urinary tract and out of the body more easily than a large stone.
Answer :
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For Cleaning Purposes :
Some hard to reach places.Eg:. Spiral tube , electronic components etc. are placed in cleaning solution and ultra sound waves are sent into it due to high frequency .Dust,grease etc. fell off and thus clean the instrument.
To detect the cracks in metal blocks :
Ultra Sonic sounds/waves are allowed to pass through metal blocks and detectors are present at the other end to detect the waves.Now,if there is any small defect in the block.The block waves will reflect back and detectors will not detect them giving the prove of defection.
Medical Purposes :
- It is used to form the image of the heart after reflection this technique is called as Echocardiography.
- It is used in scanner devices with the help of which doctor get images of internal organs such as livers, kidneys, wall bladders etc. In this the soundwaves get reflected from region where there is a change in density of tissue.These reflected waves are then converted into an electrical signals and an image is formed displayed on the monitor.This technique is called as Ultra Sono Graphic.