CENTRATEQ VIBRATION TEST SYSTEM SUPPORTS EXETER UNIVERSITY RESEARCH
CentraTEQ has installed a vibration test system in the Engineering Department at the University of Exeter. The ETS Solutions MPA101/L215M shaker system and controller is capable of 200 Newtons force, with a 25.4mm peak-peak displacement. The new ETS shaker system will be used
for multiple purposes by a number of academic staff, but the primary use of the system will be for the vibration testing of impact or rotating systems to develop energy saving control technology for a broad range of engineering applications, such as percussive drilling for oil and gas
exploitation, energy harvesting and rotating machinery. According to Yang Liu, associate professor in dynamics and control in charge of the new vibration test equipment, the UK has been one of the industrial powerhouses of Europe since the time of the Industrial Revolution. Today, it is a major challenge for power intensive industries to optimise their energy strategy to ensure long-term sustainable economic growth. Strategies to improve energy efficiency are vital. “My research intends to unravel a practical question: can we improve the
❱❱ The University of Exeter’s engineering department is using an ETS vibration system as part of its research
energy efficiency of engineering systems through judiciously switching between their multi-stable states. My mission is to develop a novel control strategy for engineering systems in order to maintain their performance within a satisfactory level by implementing an energy-optimal steering.” When asked about the decision to
purchase the ETS system from CentraTEQ, professor Liu explained: “ We discussed our requirements with potential suppliers, who advised us on the options available. The ETS shaker proved to be the perfect size and capacity, suitable for the limited space in our laboratory – backed up by an affordable price tag. Moreover, the CentraTEQ engineers were able to deliver invaluable expertise and knowledge.” Jim Flanagan, MD of CentraTEQ added:
“We are delighted to be working with the University of Exeter on this valued and important project to improve the efficiencies in engineering systems across a wide range of applications. The team at Exeter are an extremely knowledgeable group of engineers and we look forward to working with them on this project and many others in the future.”
Espec has released a new refrigerant – R-473A – for its range of environmental test chambers which can be ordered as an option to replace R23 and R-508A. R-473A is an environmentally friendly, low
ENVIRONMENTAL TEST CHAMBER REFRIGERANT R-473A is designed to achieve high
GWP refrigerant that has cleared regulations globally. Its characteristics make it possible to reduce both power consumption and the amount of refrigerant required.
DRUG SUPPLIES
performance in ultra-low temperature cooling applications. Effective to -75°C it has a refrigeration capacity 15 per cent higher than R-23, delivering energy savings and sustained performance. With a GWP of 1830 the new gas is 88 per cent lower than R-23 and offers no ozone-depleting potential. By combining Espec’s technology with the
highly efficient refrigerant, power consumption can be significantly reduced as well as CO2 emissions lowered. Currently available on the bench-top
temperature and humidity chambers, constant climate chambers, Platinous J series, environmental stress chambers and walk-in temperature chambers, it will soon be rolled out across the remaining cabinets.
EMC PROTECTED FLEX CIRCUIT
Nortech Systems has successfully received a patent for a flexible printed circuit for transmitting high-frequency signals while precisely controlling both crosstalk and impedance, minimising electromagnetic interference, improving parallel transmission alignment and increasing data density. Development of the Flex Faraday Extreme (FFX), pictured, was based on the important work of Michael Faraday in the 1830s that contributed to the current understanding of
shielding effects of what we now call a Faraday Cage. According to Jay Miller of
Nortech, the FFX is designed to provide the signal integrity necessary to support sensitive, mission-critical applications. Both the FFX and the recent
Active Optical Xtreme product launch are early steps in the company’s long-term pivot
toward serving strategic customers by building higher level assemblies that contain advanced technologies and solve difficult connectivity challenges.
October 2022 /// Testing & Test Houses /// 11
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