Vibration Testing Articles

  • Six reasons to get excited about the new LAB-X5000 benchtop XRF

    With handheld devices making it easier to analyse samples on the move, it’s easy to overlook the reliability, flexibility and sheer power of desktop XRF analysers. For 45 years, LAB-X has been a leading name among lab instruments around the world, and the latest in this tried and tested line of products has just been launched. Our XRF expert Matt Kreiner looks at why people are getting ...

  • Smartphone app improves vibration testing setup at Faurecia

    Setting up for modal analysis is time consuming and can be a painstaking task. But with the Transducer Smart Setup app, automotive seating manufacturer, Faurecia, could drastically reduce the setup time and risk of human errors. Modal testing is necessary and the challenges are abundant. Setup errors and human input errors are not difficult to introduce and can make an already ...

  • Forget big data! Collect the right data

    The term big data is everywhere nowadays, but what does it actually mean? According to a definition provided by Google, big data is ‘extremely large data sets that may be analysed computationally to reveal patterns, trends, and associations.’ Sounds great, right? In theory, yes. Through big data, businesses can have a greater overview of their operations than ever before, allowing ...


    By Hansford Sensors

  • HAV mis-measurement – to no standards whatsoever…

    Misunderstanding Hand Arm Vibration monitoring marketing material can put hands and safety policies at risk. Caveat emptor. We are regularly asked about new vibration measurement technology, particularly re the latest hand-held, glove or wrist mounted transducers that are presented as the latest assessment improvements. Whilst they may be useful tools, unfortunately some claims have been ...

  • The vibration monitoring evolution

    A recent report from Markets & Markets estimated that demand for vibration monitoring systems will reach nearly $1.5 billion by 2020. That’s a staggering increase of around 50% compared with today – with a compound annual growth rate (CAGR) of more than 6.5%. Is this growth a big surprise though? As a company that has seen first hand the rapid evolution of the ...


    By Hansford Sensors

  • Marine Monitoring to Maximise the Performance of Marine Machinery

    Considering the cost of putting to sea, it is well worth investing in vibration monitoring equipment that can help engineers to protect and maximise the performance of marine machinery. Here, we discuss the challenges facing engineers and offers advice on how to successfully install and use vibration sensing equipment on marine vessels. As machinery has become more complex and mankind has ...


    By Hansford Sensors

  • Structural performance of prestressed façade limestone panels

    Experimental studies on the behaviour and performance of prestressed natural stone hollow panels were performed using prestressing wires as internal tendons to apply a compression force to pre–assembled dimension stone slabs forming the panels. Six prototypes were subjected to three–point bending and vibration tests, and the effect of filling the panel void with polyurethane and of the ...


    By Inderscience Publishers

  • Optimisation of gearbox replacement policy using vibration measurement data

    Gearbox system reliability is a critical factor in the success of any industrial project. Poor reliability directly affects both the project's revenue stream through increased operation and maintenance (O&M) costs and reduced availability to the system due to its downtime. Indirectly, the acceptance of the system by the financial and developer communities as a viable enterprise is influenced by ...


    By Inderscience Publishers

  • Modal parameters of a flexible disk–flexible shaft system from simulated data

    A global multiple–input multiple–output modal parameter scheme is employed with the frequency response function (FRF) matrix, to accurately estimate modal parameters of the closely coupled modes of a flexible disk–flexible shaft system from simulated data. The Lagrangian approach is combined with the assumed mode method to derive the governing equations of motion, where the uncoupled disk and ...


    By Inderscience Publishers

  • Field measurements and assessment of vibration serviceability of as–built long–span concrete floor

    Vertical vibration serviceability of an as–built concrete floor, whose 41.55 m span is currently the longest in China, are investigated in this paper by field measurements and numerical analysis. A vibration monitoring system were designed and installed on the floor. Different types of human–induced excitation are simulated such as single person walking, multi–person walking at the same pace ...


    By Inderscience Publishers

  • Modal parameters of a flexible disk-flexible shaft system from simulated data

    A global multiple-input multiple-output modal parameter scheme is employed with the frequency response function (FRF) matrix, to accurately estimate modal parameters of the closely coupled modes of a flexible disk-flexible shaft system from simulated data. The Lagrangian approach is combined with the assumed mode method to derive the governing equations of motion, where the uncoupled disk and ...


    By Inderscience Publishers

  • Vibration Monitors Help Protect Property During Remediation

    Vibration instrumentation on hire from Ashtead Technology helped a firm of engineering contractors to ensure that remediation of contaminated land did not incur costly structural damage to nearby properties. Part 2A of the Environmental Protection Act 1990 aims to identify land affected by contamination that presents an unacceptable risk in its present state. If such land is identified, Part 2A ...


    By Ashtead Technology Ltd

  • Prevention of outage major downtime

    Sulzer Dowding & Mills uses a range of condition-monitoring methods to assess the status of motors and generators to prevent the customer from major downtime and lost production. One of the most common root causes of failure of rotating electrical machines is bearing failure; but the failure mode that has the greatest impact, with regards to downtime and lost production, is failure of the ...


    By Sulzer Ltd.

  • Inalfa - production testing of sunroof systems

    Production Testing of Sunroof Systems Sound and vibration are growing in importance as critical factors in product quality. Therefore, manufacturers are required to perform noise and/or vibration quality testing prior to shipping a product. The proper implementation of such a test is a significant challenge – one that can offer a very large return on investment. To address this ...

  • GU-General Utility Ltd. – a perfect partnership

    The Company GU-General Utility Ltd. provides advanced test and measurement solutions and is the exclusive representative of LDS in Korea. GU was founded by Sung-Hak (Simon) Kang in 1999. A Bachelor in Physics and with a Masters degree in sound and vibration from Bookyeong University, Korea, Mr. Kang worked for Brüel & Kjær for ten years as a sales engineer primarily ...

  • TRaC UK – LDS V984 vibration testing of fuel probes for the V22 Osprey

    The Partnership Founded in 1934 as Flight Refuelling Limited (FRL), Cobham plc is a British manufacturing company based in Wimborne Minster, Dorset, England. It is organised into four core technology divisions – Mission Systems, Defence Systems, Avionics and Surveillance, and Aviation Services. The Cobham Mission Systems Division claims to be the world market leader for air-to-air ...

  • Vibration testing of a carbon composite fuselage

    This paper describes the details of an experimental investigation focusing on the vibration characteristics of a composite fuselage structure of an ultralight unmanned aerial vehicle (UAV). The UAV has a total empty weight of 70.3 kg and 6.3 m in length. The fuselage structure consists of the fuselage body with an integrated vertical stabiliser. All structural components are fabricated from ...


    By Inderscience Publishers

  • Ulsan Technopark - Automotive Parts Innovation Center, Korea

    Ulsan Technopark Ulsan Technopark’s Automotive Parts Innovation Center provides test services for its customers who are mainly manufacturers of components, both Tier 1 and Tier 2. Brüel & Kjær’s PULSE platform, LDS shakers, arrays and transducers are all used at the facility for automotive NVH vibration testing, environmental testing and material testing. ...

  • Interview with John O`Higgins, chief executive of Spectris

    Environmental issues - a growing concern among organisations Presently, organisations are seriously contemplating environmental issues and are taking necessary steps towards improving their products and processes. Large companies are now focusing on reducing their carbon footprint and ensuring that their products are environment-friendly. Even in niche segments, organisations are ...

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