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A 5 MHz, 1/2 dia, lat straight beam transducer in steel(velocity in sttel=.585 cm or .23 in) has a near field lenth? Can answer because I don't know how to do the math.

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- #1

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A 5 MHz, 1/2 dia, lat straight beam transducer in steel(velocity in sttel=.585 cm or .23 in) has a near field lenth? Can answer because I don't know how to do the math.

- #2

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Second of all, you should try the problem yourself, and tell us where you are stuck on.

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- #4

berkeman

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Like, the units of velocity are not cm or inches, right? And what is a "lat straight beam transducer"? It sounds like some kind of ultrasonic transducer, but that's just a guess. And how does your text book define the "near field"? What fraction or number of wavelengths? The definition of near field varies from discipline to discipline. Also, is "sttel" just a typo for steel? I'm guessing that it is, but you repeated it twice (probably just a cut and paste).

What course is this for? What textbook are you using?

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You should at least come up with relevant equations to work through this problem.

We enforce these rules to prevent people from just posting the question without even trying and letting the helpers do your homework.