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Recommendations for Insulation Radiant Panel AC

Solothurn, Switzerland June 25, 2014. Recommendations for Insulation Radiant Panel AC. Randy Smith, Associate Technical Fellow, Boeing Commercial Airplanes . Recommendations for Insulation Radiant Panel AC .

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Recommendations for Insulation Radiant Panel AC

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  1. Solothurn, Switzerland June 25, 2014 Recommendations for Insulation Radiant Panel AC Randy Smith, Associate Technical Fellow, Boeing Commercial Airplanes

  2. Recommendations for Insulation Radiant Panel AC • Boeing personnel met numerous times to develop a list of recommended improvements to the AC document: • Matt Anglin – Associate Technical Fellow, Flammability AR • Susahn Bodeutsch – Flammability AR • Keith Couilliard – Flammability AR • Hank Lutz – Technical Principle, Flammability Lab • Steve Moffitt, Flammability Lab • Mary Pacher – Flammability AR • Randy Smith – Associate Technical Fellow, Insulation Design • Sara Walter – Boeing Research and Technology • Since the release of the AC in 2005, Boeing has gained considerable experience with certifying new insulation designs and conducting the radiant panel test

  3. Recommendations for Insulation Radiant Panel AC • Boeing provided the recommendations to the FAA Technical Center at the following times: • During the ARAC activity • During the March 2014 materials group meeting (Savannah) • During a telephone conference in April 2014 • The FAA Technical Center incorporated a majority of the Boeing recommendations into AC and Workbook placeholder documents sent to task group members May 2014 • In the placeholder documents, some of the content of the current AC was moved to the Workbook, so the Boeing recommendations moved with that content

  4. Recommendations for Insulation Radiant Panel AC • Goals of recommendations • To improve and clarify test methods • To harmonize acceptable means of compliance within Boeing for certification projects and to harmonize with Industry • Examples of Improvements and Clarifications • Clarify that data from incorrectly constructed samples can be thrown out • Introduce floating thickness range testing for foam (like large panels) • Hook and loop holding frame and specimen position changes • Move damping systems content to the “Test Sample Construction” section where other specialized test configuration information is found • Clarify duct insulation categories and requirements

  5. Recommendations for Insulation Radiant Panel AC • Examples of Harmonizing Acceptable Means of Compliance • Testing for multiple layers of batting and batting density combinations • Passing materials that are sandwiched between batting layers do not have to be included in batting test • Testing quilted blankets acceptable means for showing thread complies • 1” Quilting pattern size acceptable for showing more course patterns comply • Test thinnest foam for bonded foam designs • Any thickness of foam for testing tape on foam • Testing double-sided tape (adhesive on both sides) • Passing auxiliary materials (e.g., felt and coated fabrics) materials on the surface of a blanket tested on standard blanket

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