Metallic sandwich structure having small bend radius

摘要

An acoustic-attenuating wall panel for a nacelle of a turbine engine may include a radiused portion. The radiused portion may include an airflow surface having a concave configuration and which may be exposed to an airflow passing through the nacelle. The radiused portion may include an acoustic attenuating section.

主权项

1. An acoustic-attenuating wall panel, comprising:
a radiused portion of an inner wall panel of a nacelle; the radiused portion including an airflow surface having a concave configuration being exposed to an airflow; and the radiused portion comprising an acoustic attenuating section and formed as a honeycomb sandwich structure having a honeycomb core sandwiched between a pair of face sheets; the honeycomb core in the radiused portion has a cell width that is the same as the cell width of the honeycomb core in at least one of the following portions of the inner wall panel: a barrel portion, an upper bifurcation, a lower bifurcation.