US Navy Nuclear trained personnel (like me) become familiar with a process known as \u201ctheory to practice\u201d early in the training \u201cpipeline.\u201d It essentially means that you \u201cmath it out\u201d first, and then you see if it works the way you expect it to. It\u2019s really just a condensed version of the Scientific Method<\/a>, but when dealing with highly radioactive fissionable material, you really can\u2019t put the \u201cpractice\u201d before the \u201ctheory\u201d or you get an accident like the 1986 explosion of Chernobyl reactor #4<\/a>.<\/p>\n Through the course of history, certain previously unknown scientific principles have been used (in \u201cpractice\u201d) before the details of the physical phenomena (the \u201ctheory\u201d) were fully understood. For instance, early aviation pioneers like Orville & Wilbur Wright experimented with curved airfoil wings to get their heavier-than-air flying machines airborne. A decade or so before, a Romanian inventor named Henri Coand\u0103\u2019s interest was piqued by the phenomenon, inspiring him to \u201cmath it out\u201d while developing his own heavier-than-air flying machine, called the Coand\u0103-1910.<\/p>\n In addition to aviation, the Coand\u0103 effect presents advantages \u2013 and challenges \u2013 in other fields:<\/p>\n EXAIR engineered compressed air products, of course, use the Coand\u0103 effect for maximum air entrainment. The high velocity flow from the primary (compressed air supply) stream following the Coand\u0103 profile of our Full Flow Air Knives<\/a>, Standard Air Knives<\/a>, Air Wipes<\/a>, and Air Amplifiers<\/a> generates a low pressure above the profile surface. This results in entrainment, or amplification, ratios of up to 30:1.<\/p>\n There\u2019s no hard evidence that Henri\u2019s Coand\u0103-1910 airplane ever actually flew, but it\u2019s a big source of national pride for Romania. So much, in fact, their largest airport is known as Bucharest Henri Coand\u0103 International Airport. There\u2019s PLENTY of evidence, however, that the Coand\u0103 effect \u2013 specifically, its implementation into the design of EXAIR Intelligent Compressed Air Products<\/a> \u2013 can help you get the most out of your compressed air system. If you\u2019d like to find out more, give me a call<\/a>.<\/p>\n Russ Bowman, CCASS<\/p>\n Application Engineer\n
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