Casos particulares (en inglés)

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Continuing a long tradition of using Brüel & Kjær equipment, Burke E. Porter supplies their wind turbine gearbox test stands with PULSE Data Acquisition Hardware and PULSE software built in, as well as the associated transducers and cabling. In this way, they incorporate the complete sound and vibration testing solution from Brüel & Kjær into a cohesive system that tests wider parameters.

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Environmental issues, particularly the impact of aircraft noise, comprise the most significant constraint on the growth potential of attractive airport businesses.

The proactive use of impact reduction approaches has resulted in significant outcomes for many airports and remains an important part of any balanced programme, however the increasing use of sophisticated tolerance-building initiatives is heralding the arrival of the new, collaborative, fourth generation aviation airport environment management.

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The Department of Aerospace Science and Technology (DCTA) is the Brazilian national military research centre for aviation and space flight. DCTA is subordinated to the Brazilian Air Force and coordinates all technical and scientific activities related to the aerospace sector. Noise and vibration testing play a vital role in many phases of operations and DCTA benefits from Brüel&Kjær’s complete measurement solutions. They have a large installed base of Brüel&Kjær products ranging from shakers for environmental and structural testing, noise and vibration sensors for a wealth of applications from rugged flight-testing to highly sophisticated laboratory use, multichannel data acquisition and analysis platforms, and an enormous range of noise, vibration and shock software application packages.

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Christie Digital Systems Canada Inc., manufactures cinema projectors and LED illumination display devices, and is a leader in visual solutions for world-class organisations, offering diverse applications for business, entertainment, and industry. Brüel & Kjær products, including the PULSE LAN-XI platform in conjunction with an LDS V875 shaker, are used as part of the stringent product testing regime to improve the design and performance of Christie’s projectors.

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Roxtec develops, manufactures and sells complete sealing solutions for cables and pipes. The Roxtec sealing system is based on Roxylon™ rubber modules with removable layers that enable a perfect fit for cables and pipes of different sizes. A PULSE LAN-XI system is used for internal R&D purposes, where Roxtec validates its existing seals and makes experimental tests on rubber. The portable LAN-XI and battery module also make the system perfect for on-site visits to customers.

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In order to improve the perceived sound quality of diesel engines, Isuzu cooperated with Brüel& Kjær to develop mapping of sound quality metrics, where noise sources can be identified based on their sound character, using perception-based metrics such as loudness, sharpness and roughness. Together, they also developed a new impulsiveness algorithm to clearly identify the source of impulsive noise in diesel engines. The result of the Isuzu/Brüel & Kjær project is the world’s first commercially available sound quality metrics mapping software for beamforming and statistically Optimal Near-field Acoustic Holography (SONAH) systems.

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Sound & Vibration Technology Ltd. (SVT), located on Millbrook Proving Ground in Bedfordshire, UK, is a provider of sound and vibration test-based solutions. Its relationship with Brüel & Kjær goes back to 2003. Recently, Brüel & Kjær cooperated on a testservices project that involved making measurements on a prototype Triumph motorcycle. The purpose of the measurements was to characterise certain operating vibration levels for subsequent component durability testing. Brüel & Kjær’s PULSE LAN-XI was used to collect all the measurement data that was then post-processed using PULSE Reflex Core.

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The West Toronto Diamond Project, a large construction project located in the community, initially failed to address community concerns over noise from piling activities. After investigation the regulatory authorities stipulated the piling technology that could be used in the future and imposed operational limits and reporting requirements that significantly increased costs and extended the project by three years.

If an active monitoring programme and a Web-based community engagement programme had been established prior to construction, complaints and the subsequent lengthy delays and cost overruns may have been avoided.

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The Sound Answers/Brüel & Kjær partnership started in November 2006 when Sound Answers selected Brüel & Kjær as its hardware and software strategic partner. Sound Answers wanted to partner with a software/hardware manufacturer in the sound and vibration domain through which they could offer their services while enabling the partner to provide total solutions to customers. Brüel & Kjær was chosen for its test focus, reputation, best-in-class products, sales network, its strength in all its relevant markets and, most importantly, the management vision to provide a complete solution by leveraging consulting for pull-through product sales. Sound Answers President, Paul Goodes, says, "Partnering with Brüel & Kjær was the best choice for both companies because of our similar vision and goals".

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GE Healthcare Systems is one of GE Healthcare’s six primary units. Its industry-leading products are used for medical imaging and diagnostic purposes allowing clinicians to see inside the human body more clearly. Technologies include Computed Tomography (CT), Magnetic Resonance Imaging (MRI), and Positron Emission Tomography (PET) covering a wide range of medical requirements. These provide health care workers with the solutions to enhance the efficiency of medical care. Brüel &Kjær applications are used almost exclusively for product R&D, product life cycle testing, durability, reliability and fatigue testing purposes.