page_title: Brüel & Kjær
section_title: Aero engines
hierarchical_section_title: Brüel & Kjær / Markets / Aero engines
caption_attribution_description: English: JACKSONVILLE, Fla. (June 30, 2009) An MH-60R "Romeo" varient of the Sea Hawk helicopter is displayed in the new Helicopter Hangar 1122 during the ribbon-cutting ceremony to officially open the new facility at Naval Air Station Jacksonville. (U.S. Navy photo by Kaylee LaRocque/Released)
context_page_description: Brüel & Kjær is a Danish multinational engineering and electronics company headquartered in Nærum, near Copenhagen. It is the world's largest manufacturer and supplier of sound and vibration measurement equipment, systems and solutions.
  Brüel & Kjær is a subsidiary of Spectris.
context_section_description: Brüel & Kjær provides tools to overcome noise and vibration challenges. These ensure the quality of new lighter material applications by modal testing and improving the quality and test efficiency in aero engines. Systems include those for development and measurement of new noise-optimised engines, acoustic lining designs and propagation code validation (engine duct modal analysis, far-field noise measurement, and acoustic panel in situ impedance measurement)
  It also supplies in-flight engine monitoring with flight-certified, high-temperature accelerometers.
caption: Brüel & Kjaer delivers technologies for the Sikorsky MH-60R which was chosen by the RDAF as replacement for the Lynx helicopter in 2012
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