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Crescend RF

Why Do Microwaves Heat Things So Quickly?

Microwaves produce a phenomenon called volumetric heating.  Simply stated, they heat the entire mass of an object uniformly.  This is because the microwave penetrated deeply into the object instead of just acting on the surface.  Volumetric heating is unique to microwaves; almost all other forms of heating are conductive, where heat is applied to the surface of […]

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Crescend RF

How Hot Do Materials Get In A Microwave System?

Microwave heating is a very versatile technology that can be used in a wide range of applications, so this question must be answered with respect to categories of applications. Many industrial microwave systems are used to dry various organic and inorganic materials, or to defrost, cook, or pasteurize food products. This class of applications takes

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Crescend RF

How “Green” Are Microwave Drying Systems?

Very few drying technologies can approach microwave systems for positive environmental impact.  In fact, in most cases environmental permitting is not required.  Let’s consider the common types of possible emissions and examine how microwave system measure up. Combustion Products such as NOx and COx: This is simple. There is no combustion in a microwave system

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