Category Archives: Useful Information Miscellaneous

Three Phase Power – Why and How

Three phase power is commonly used where large amounts of electrical power are required.  Examples are power transmission lines and large industrial machines which require considerable power.  What is three phase power anyway? Let’s start by thinking of a two … Continue reading

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A Little About RMS (Root Mean Squared)

Most of us are aware that the power we get from the power line coming into our house or factory comes as alternating current.  Basically, the voltage on the “hot” wire as referenced to ground varies, going negative then positive … Continue reading

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Ultrasonics – The Trouble With Watts – Part 2

As discussed in a previous blog, one problem with watts is that watts do not equal energy.  Let’s carry that thought a little further again using the vehicle analogy I put forth in the initial blog of this series. In the … Continue reading

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The Trouble With Watts

Some time ago I wrote a paper entitled “What is a Watt.”  Although this paper seems lost in history (I can not find a copy of it), I can remember the point that I was trying to make when I … Continue reading

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Ultrasonic Performance – Ceramic Ring Test – Post Script

I usually try to make sure I’ve done my research prior to posting a blog.  As I was thinking about the post about the ceramic ring test, however, it occurred to me that there are a couple of variables that I had … Continue reading

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Ultrasonic Performance – Ceramic Ring Test

Other than to say that there is no perfect, infallible way, the blog has not addressed assessing ultrasonic performance.  In an earlier blog, I did suggest that any of many methods are appropriate to compare ultrasonic performance of an ultrasonic system … Continue reading

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The Trouble With Watts – Efficiency

One of the problems with using the number of watts consumed to produce a particular output of another form of energy (light, motion, heat, etc) is that there are always losses when one form of energy is converted to another.  Although the … Continue reading

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Ultrasonic Machining – A New Use for Ultrasonics?

Over the years, there have been several anecdotal references to otherwise unexplained changes in the properties of surfaces exposed to ultrasonic energy in a liquid.  In some cases, it would make sense that the change was due to increased cleanliness.  … Continue reading

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Ultrasonics – Revisiting Watts Per Gallon

Watts per gallon as a measure of ultrasonic cleaning tank capability is under growing scrutiny.  In a series of blogs over the next several weeks, I hope to explore the origin of watts per gallon and the changes and ambiguities which … Continue reading

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Capillary Flow

In the process of parts cleaning, capillary flow can be our friend or our enemy – sometimes both at the same time.  So let’s take a minute or two to understand this interesting phenomenon. Capillary flow is a property that is … Continue reading

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