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Ensuring engine reliability and performance

Today’s engine designers need to manage the conflicting goals: increasing performance while reducing fuel consumption and noise. To meet these challenges, engine designers need better tools to simulate performance prior to prototyping. They have to define and prepare the tests as much as possible before the prototype is available, and have to acquire and evaluate large amounts of test data while avoiding errors.

Acoustic & dynamic simulation

With regulations for exterior and interior noise becoming more stringent, the acoustic performance has to be considered early in the design process to avoid problems requiring expensive changes in later stages. LMS Virtual.Lab provides solutions to efficiently model the noise radiated by the engine and calculate its contribution to exterior take-off, flyover and landing noise as well as transmission to the aircraft interior. Dynamic response
can be modeled at the blade, engine section or complete engine level, making it possible to design a safe, efficient, quiet engine early in the development process.

Dynamic testing and qualification of jet engines 

Testing next-generation jet engines requires the ability to safely, rapidly and reliably perform highly specialized rigorous experiments and handle the massive amounts of output data from strain gauges, dynamic pressure transducers, tachometers, accelerometers, microphones, and other sensors. Speed and reliability are absolute necessities in performing these tests efficiently, in addition to integrated monitoring capabilities and tools to quickly post-process results. To meet these challenging demands, LMS Test.lab for jet engine testing combines flexible data acquisition, fast and accurate data recording with on-line analysis, automatic alarm capabilities to avoid damage and accelerated post-processing of large data volumes. A growing number of jet engine manufacturers and testing facilities have turned to LMS, because of its state-of-the-art solution and LMS’ extensive background in noise and vibration testing and analysis. In addition, LMS offers engineering data management and collaboration solutions that allow development teams, often located far away from the testing sites, the capability to retrieve and validate test data within minutes after the measurement.

Optimizing engine development

In the highly competitive aerospace industry, efficient CAE simulation and analyses are vital to improving an engine design and increasing the cost-effectiveness of the development process. The LMS optimization solutions allow integrating and optimizing the numerous types of software and systems that contribute to jet engine development cycle. Those are driving a combination of in-house code and off-the-shelf software that usually operate separately for structural calculations, aerodynamics, combustion, acoustics and thermal analysis. LMS
optimization solutions however allow to run and optimize these in a single process.
 
Download the LMS Aerospace Engineering Brochure



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