ASDEC is model example of power generation efficiencies

A turbine blade with the laser pattern and resulting imagery that may be obtained during measurement.
ASDEC (Advanced Structural Dynamics Evaluation Centre) is already helping the power generation industry to use modern, novel lightweight and composite materials for increased efficiency.

The Advanced Structural Dynamics Evaluation Centre (ASDEC) is the UK's first commercial robotised 3D scanning laser vibration measurement and modal analysis centre. It was launched in July 2014 by the University of Leicester and funded by grants from the Government's Regional Growth Fund and the European Regional Development Fund.

Its vibration analysis equipment is used to provide an insight into the structural dynamics of a wind or gas turbine to achieve optimum efficiency and reliability in service.

Lightweight materials are difficult to measure in traditional ways and the simulation models are not as advanced as for traditional materials. ASDEC is overcoming both these issues by measuring through a non-contact technique so that there is no observer effect on even the lightest material. The CAE and FE correlation capabilities supports composite manufacturing customers to improve their modelling techniques.

Tim Stubbs, general manager at ASDEC says: "By offering the capability of CAE and FE correlation with highly detailed experimental structural dynamics analysis, we support our customers in improving the design process and reducing costs. Physical test is expensive but essential, however by providing customers . . . more accurate virtual models they can run more design cycles at low cost through simulation leading to fewer physical prototypes".

The static facilities in the Midlands are capable of structural dynamic tests of large and small items but where it is not possible to bring test objects into the lab, there is the flexibility to bring advanced structural dynamics testing to the test object. Portable 3D scanning LDV can be used in the field or in customer's test facilities, allowing for detailed measurements on running systems where load needs to be absorbed. In the case of running equipment, the non-contact measurement technology means accurate vibration data can be acquired on surfaces of any material and at any temperature.

Caroline Hayes

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