Questions tagged [ultrasound]

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I don't understand a simulation result of frequency vibration analysis of ultrasonic tranducer

I am building a ultrasonic transducer like this (with double-exponential (75%-25%) match and 2 ring PZT8 50x20x6.5 (for the moment I do not take account of pre-stress on bolt) : When I simulate the 2 ...
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27 views

How to create a 3D model of a person's veins using ultrasound?

How to create a 3D model of a person's veins using ultrasound? How to do something like this, CARTOSOUNDĀ® Module: This 3D ultrasound technology gives you all the benefits of traditional ...
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16 views

Is it possible to silver solder a reliable grounding connection to a stainless steel ultrasonic cleaner tank?

My ultrasonic cleaner has a stainless steel tank with a threaded grounding stud for fastening a mains earth wire. I tried to tighten nut that fastens the ground terminal to the stud, but the stud ...
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34 views

What's the best way to get an ultrasonic sensor that can vary its operating frequency

Long story short I'm looking to build an ultrasonic sensor that can also be used to communicate with a seperate sensor. (So it must be able to send out a pitch around ~42kHz, but also alter the pitch ...
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103 views

Measuring flow of polyol with ultrasonic flow meter

Our company is installing flow meters on an old polyurethane foam machine. After some research, ultrasonic flow meters were chosen as they have no moving parts and are easy to clean. Polyurethane ...
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76 views

What is the smallest flaw that can be detected by ultrasonic technology?

Ultrasonic transducer is used to detect flaws. What is the smallest flaw that can be detected by ultrasonic technology? One thing I know is that higher the frequency, higher is the sensitivity of the ...
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7 views

Relationship between particle size and wave parameters in acoustic levitation

Can you tell me in acoustic (ultrasonic) levitation if a relationship between the acoustic sound wave parameters (frequency or amplitude or other) and the particle size that can be levitated is known? ...
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17 views

Is it possible to set up an ultrasonic range-finding system using a separate transmitter and receiver across 30m distance?

I need to set up a system capable of detecting the distance between an object moving further away and an anchor point. This object would be traveling through a slightly curved tunnel (of 1m diameter), ...
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26 views

Effect of wind on ultrasound sensor

For example, if I have an ultrasoundsensor 1 m above the ground while there is a wind speed of 5 m/s, a rough estimate of the horizontal displacement of the beam would be $$ t \approx 2 \frac{1}{343} =...