Author Archives: John Fuchs

Drying – Conduction vs. Radiation

Posted on May 23, 2013 by John Fuchs

In the previous blog, I promised that we would further explore Conductive vs. Radiant heating as a way to dry parts in this blog.  I can think of no better way than by using a couple of illustrations showing the … Continue reading →

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Drying – Conduction vs. Radiation

Posted on May 16, 2013 by John Fuchs

It should be clear by now that heat plays an important role in drying.  Delivery of heat to a drying system is critical and can be accomplished in a number of ways.  Today’s blog will explore two options for heat … Continue reading →

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Drying – Heat Capacity and Thermal Conductivity

Posted on May 14, 2013 by John Fuchs

If you have deduced from the preceeding few blogs that heat is one of the major factors in drying, you are right.  But before we talk more about heat, let’s “set the stage.”  Heat is that stuff that increases temperature … Continue reading →

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Drying – Enter Evaporative Cooling . . .

Posted on May 9, 2013 by John Fuchs

In reading the last couple of blogs it would be easy for the reader to come to the conclusion that the addition of heat is all that is needed to dry things.  It would be nice and easy if that … Continue reading →

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Drying – Vapor Pressure vs. Temperature

Posted on May 6, 2013 by John Fuchs

In the preceding blog, we learned that relative humidity of air is affected by temperature.  Although I really didn’t say it, I’m sure readers have come to the conclusion that lower relative humidity will result in air which is “hungry” … Continue reading →

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Drying – The Effect of Temperature on Relative Humidity

Posted on May 2, 2013 by John Fuchs

 I first talked about drying a long time ago in the blog called “Don’t Forget Drying.”  In that blog, I stressed the importance of drying as a part of the cleaning process.  In some cases, changes in the cleaning process can … Continue reading →

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Cleaning Chemistry – Water Based Chemistry – Neutral and Emulsions

Posted on March 11, 2013 by John Fuchs

Preceding blogs have discussed acidic and caustic based cleaning chemistry.  There are also chemistries, however, which are neither acidic or caustic but, rather, rely on other more mechanical than chemical mechanisms to affect cleaning.  In a capsule, these mechanisms are wetting … Continue reading →

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Cleaning Chemistry – Water-Based Chemistry – Caustic

Posted on February 26, 2013 by John Fuchs

Acidic cleaning chemistries were discussed in a preceding blog.  Now let’s talk about the second of the three classifications of chemistry we defined – caustics.  Caustics are materials that are basic as opposed to acidic in nature.  The use of … Continue reading →

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Cleaning Chemistry – Water-Based Chemistry – Acidic

Posted on February 13, 2013 by John Fuchs

Water is often referred to as the “universal solvent.”  Yet, as we all know, its hard to get grime off of your hands clean without using some soap!  Water, however, is an attractive “solvent” as it is plentiful, relatively cheap and … Continue reading →

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Ultrasonics – Cleaning Orifices with Ultrasonics III

Posted on February 5, 2013 by John Fuchs

Dimensions of orifices and typical contaminant scenarios were discussed in preceding blogs.  Today, let’s consider the role of ultrasonics in removing contaminants from orifices.  First, we’ll consider the “classic” orifice consisting of a passageway through a solid.  Then we’ll talk … Continue reading →

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