Institute of Environmental Sciences and Technology (IEST)

Are you using the latest pyroshock testing techniques?

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Refer to the newly revised IEST-RP-DTE032.2: Pyroshock Testing Techniques for state-of-the-art practices. This IEST Recommended Practice (RP) reflects advances in the art of pyroshock testing and addresses common problems related to data acquisition and analysis. You will find an overview of pyroshock testing concepts and a comparison of provisions from other pyroshock documents. New material in this edition includes:

• Definitions for near-field pyroshock, mid-field pyroshock, and far-field pyroshock consistent with the definitions given in MIL-STD-810G
• A section on pyroshock variability quantified in terms of shock response spectra
• Three resonant techniques for pyroshock simulation—full-scale or complete system tests with a resonant fixture; three-axis simulations for mid-field pyroshock; and three-axis simulations for near-field pyroshock

In addition, a section on data corruption provides the information you need to acquire reliable data. Vesta Bateman, Chair of IEST Working Group DTE032, notes that corrupted pyroshock data are still being taken at government agencies and private companies. Learn how to avoid common problems such as digital aliasing and offsets in the data.

For more information, including a technical report from the Chair, or to order IEST-RP-DTE032.2, visit www.iest.org.

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