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Posted on dom ott 07, 2007 12:07
Post Subject: Text Introduction to Phased Array Ultrasonic Technology Applications
I'm new to ultrasonic testing. I'm studying the first edition of this book and find I don't believe or understand some things that appear in it. With a magnifying glass I find in Fig 1-6 "e2>e2". Am I wrong in expecting a cube root to appear in equation 2.4? I'm having a difficult time deriving the answer in section 2.4. All this may seem trivial but it undermines the requisite faith a new person needs and greatly slows down learning. If a publication exists fo corrections, may I learn where? Thank you
Posted on mer ott 10, 2007 07:52
Post Subject: RE: Text Introduction to Phased Array Ultrasonic Technology Applications
The correct answer in Figure 1.6 should be e2>e1, not e2>e2. Equation 2.4 also seems to be incorrect; we will check and confirm the correct equation, and modify the book when the time is appropriate.
These are errors that were missed during editing. For the record, our book was proof-read by several people, including a university professor. Thanks for bring them to our attention; if and when we re-print, we will correct these errors.
Posted on mer ott 31, 2007 12:57
Post Subject: RE: Text Introduction to Phased Array Ultrasonic Technology Applications
I have both, the "Introduction" and the "Advanaces" in Phased Array, in addition to the spiral bound technical guide ... very good publications. I use these books several times per week!
Posted on dom giu 08, 2008 06:41
Post Subject: RE: Text Introduction to Phased Array Ultrasonic Technology Applications
bjones wrote:
I'm new to ultrasonic testing. I'm studying the first edition of this book and find I don't believe or understand some things that appear in it. With a magnifying glass I find in Fig 1-6 "e2>e2". Am I wrong in expecting a cube root to appear in equation 2.4? I'm having a difficult time deriving the answer in section 2.4. All this may seem trivial but it undermines the requisite faith a new person needs and greatly slows down learning. If a publication exists fo corrections, may I learn where? Thank you
