INTA – exterior noise certification of Airbus A330 MRTT

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INTA is a Public Research Body specialising in aeronautic and space research and technological development. It owns a multitude of Brüel & Kjær products including a 30-channel PULSE system and a 6-channel LAN-XI system which are used daily. One of the latest and most important jobs performed by INTA is the Noise Certification of Airbus Military’s A330 MRTT which it achieved with the assistance of Brüel & Kjær’s PULSE data acquisition and analysis system and Brüel & Kjær staff.

Introduction

In 2004, The National Institute of Aerospace Technology’s Environmental Laboratory LIMA (Laboratorio de Impacto Ambiental) hired new engineers, and completely renewed its instrumentation and its facilities. Today they have sound level meters, acoustic calibrators, reference sound sources, acoustic analyzers, acoustic impedance measuring systems, ISO sound power systems, sound intensity probes and calibrators, multichannel analyzers and GPS-time generators. Most of these are Brüel&Kjær products. A 30-channel PULSE system and a 6-channel LAN-XI PULSE system are used daily. INTA recently purchased an additional PULSE Reflex Core license for post-processing of data recorded in the field. INTA has a mobile laboratory for making measurements in the field and a workshop for maintenance and construction of small parts and mock-ups.

The INTA-LIMA engineers are renowned for their background in aero- and vibro-acoustics and INTA’s laboratory has its own quality management system covering both procedures and calibration according to ISO 70354.

One of the latest and most important jobs performed by INTA is the Noise Certification of the Airbus A330 MRTT.

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