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Noise, Vibration and NDT

High-speed cameras measure motions faster

By: Victor Moolman     21st July 2017 The University of Pretoria (UP) has obtained four new high-speed IDT Vision NX8-S2 cameras that, along with the TEMA motion analysis software, can measure vibrations on moving structures at high speeds or events that are too fast for normal cameras to record. 

Need for NDT personnel to be competent

     21st July 2017 To perform nondestructive testing (NDT) in accordance with code requirements and customer expectations, Southern African Institute of Welding (SAIW) systems and quality manager Harold Jansen says there is a need for NDT personnel to be competent. 

New technology for NDT technicians in South Africa

By: Simon Sonnekus     15th July 2016 South African non-destructive testing (NDT) technicians can possibly look forward to the global influx of new technology, following the completion of the nineteenth World Conference on NDT held in Munich, Germany, last month. According to South African Institute of Non-Destructive Testing... 

New technology for NDT technicians in South Africa
WCNDT international NDT institutions have to remain relevant to technicians and the younger generation of professionals within NDT

Possible change in NDT training

By: Simon Sonnekus     15th July 2016 The harmonisation of second and third part assessment certification schemes found in the South African non-destructive testing (NDT) industry could result in continuous skills development and enhanced personnel competence, with companies and employees also retaining a stronger development... 

Possible change in  NDT training
NON-DESTRUCTIVE TESTING South Africa and many other African countries have sustainable market capacity for only one NDT industrial sector

Bipanel plate absorbers reduce lab noise by 45%

By: Mia Breytenbach     17th July 2015 Acoustic consulting engineering practice Mackenzie Hoy Consulting Acoustics Engineers (Machoy Consulting) has completed the installation of biplate panel absorbers on a research ship laboratory last month, reducing noise levels by about 5 dBA, or about 45%. Machoy Consulting owner Terry... 

Bipanel plate absorbers reduce lab noise by 45%
NOISE REDUCTION The biplate panel absorbers can simultaneously absorb low- and high-frequency noises, reducing noise by 5 dBA

Carpet effective, presents sound-absorption solution

By: Mia Breytenbach     17th July 2015 Property developers, designers and architects have a crucial role to play in providing inspirational working environments for the benefit of employees, with the impact of acoustics on employees being one of the key aspects, says local flooring supplier and installer Kevin Bates Albert Carpets... 

Carpet effective, presents sound-absorption solution
FLOORING OUTPERFORMER Carpeting can absorb airborne sound, reducing surface noise generation and reducing impact-sound transmission to rooms below

Integrated NDT qualification, certification approach set for 2017

By: Mia Breytenbach     17th July 2015 To achieve international harmonisation in the qualification and certification of nondestructive testing (NDT) personnel, the national ISO 17024-accredited personnel certification body, the Southern African Institute of Welding - Certification (SAIW - Certification) is collaborating with national... 

Integrated NDT qualification, certification approach set for 2017
CERTIFICATION HARMONISATION The qualification and certification process will also accommodate the American Society for Nondestructive Testing SNT-TC-1A requirements

New portable NDT equipment solutions suitable for welding inspections

By: Mia Breytenbach     17th July 2015 Vereeniging-based nondestructive testing (NDT) equipment provider GammaTec is currently introducing the latest portable, phased-array, ultrasonic testing (PA UT) equipment and new computed radiography (CR) digital systems and focuses on raising awareness of the advantages of this equipment. “The... 

New portable NDT equipment solutions suitable for welding inspections
NEW GENERATION The Zetec TOPAZ phased array system has a 10.4” 1 024 X 768 pixel screen that can display 64% more information than the 800 X 600 pixel screens

Signal-processing technique set for commercial testing 

By: Mia Breytenbach     17th July 2015 Having developed a new signal-processing technique for the vibration monitoring and testing of turbomachinery, the University of Pretoria’s (UP’s) Centre for Asset Integrity Management (C-AIM) research facility aims to create industry partnerships to develop this technique to maturity and... 

Signal-processing technique set for commercial testing
Centre for Asset Integrity Management director Professor Stephan Heyns discusses the importance of the research conducted at the centre.

VT course to meet industry requirements

By: Mia Breytenbach     17th July 2015 Nonprofit technical organisation the Southern African Institute of Welding’s (SAIW’s) nondestructive testing (NDT) department introduced an independent Visual Testing (VT) course as part of its training offering last month. VT was previously incorporated into SAIW’s welding inspectors course only... 

VT course to meet industry requirements
COURSE CONTENT Level 1 of the Visual Testing (VT) course focuses on general theory and application, while Level 2 enhances basic VT theory

Greater attention for inspection of storage tanks

     18th July 2014 Serious and costly accidents involving conventional storage tanks have triggered a greater awareness in terms of safety, nondestructive testing (NDT), cost and environmental issues, reports inspection technologies company Rosen Group. 

Potential for noise reduction untapped

By: Dylan Slater     18th July 2014 Acoustic consulting engineering practice Mackenzie Hoy Consulting Acoustics Engineers (Machoy Consulting) believes there is vast potential to reduce noise in many industrial and mining applications, but that noisy environments remain, unnecessarily, because noise-reduction techniques are seldom... 

Potential for noise  reduction untapped
PROCESSING DATA There is vast potential to reduce noise in many industrial and mining applications

Radioactive-source logistics illuminated at meeting

By: Dylan Slater     18th July 2014 The importance of safely transporting and using radioactive sources, such as iridium 192 and selenium 75, used in non destructive testing (NDT) procedures, was highlighted during the International Atomic Energy Agency’s (IAEA) Technical Meeting on Radiation Safety in Industrial Radiography, held... 

Radioactive-source logistics illuminated at meeting
PHILIP KILFOIL Many regulatory authorities dealing with radioactive materials are not experienced or resourced enough to carry out proper inspections

Wearable personal noise and vibration dosimeters launched

By: Dylan Slater     18th July 2014 Machinery condition monitoring solutions company Spectranalysis launched the SV104 noise and SV103 vibration personal dosimeters onto the local market last month. 

Wearable personal noise and vibration dosimeters launched
NOISE MONITORING The Svantek SV104 provides data required for the appropriate selection of hearing protection

Multichannel vibration analyser decreases maintenance costs

By: Zandile Mavuso     23rd August 2013 The Microlog Analyzer AX – the multichannel vibration measurement monitoring equipment used on motor pumps – can increase productivity and decrease maintenance, as opposed to traditional single-channel vibration measurement monitoring equipment, reports ball and roller bearing supplier and... 

Need for noise measurement qualification in African countries

By: Zandile Mavuso     23rd August 2013 With mining projects continuing to emerge in Africa, communities are being affected by the noise of the developments taking place around them, especially as qualifications in environmental noise measurement and prediction are lacking among Africans, which results in inaccurate noise measurement. 

Need for noise measurement qualification in African countries
PROPER MEASUREMENT STRESSEDIt is important to provide noise-measurement training for local African people, as they are more familiar with the challenges and conditions of their surroundings

New angle grinder reduces vibrations by 40%

     23rd August 2013 The new GWS 26-230 LVI Professional is the lightest large angle grinder in its class and reduces vibration by 40% owing to its decoupled main and side handles and vibration dampening, compared with angle grinders without vibration control, states technology and services supplier Bosch. 

New software for natural vibration modes analysis

By: Zandile Mavuso     23rd August 2013 The simulation software designer Cobham Technical Services has extended the multiphysics capabilities of the Opera-3D design software, a finite element analysis environment for electromagnetic design in three dimensions, by incorporating a new solver that can analyse natural vibration modes. 

Noise-reduction apparel significant for construction sector

By: Zandile Mavuso     23rd August 2013 It is crucially important that protective apparel for hearing forms part of every construction company’s health and safety management controls, owing to the nature of construction work, states Midrand-based building and construction association Master Builders Association (MBA) North. 

Limited opportunities for students to enter acoustic engineering profession

By: Zandile Mavuso     12th October 2012 A lack of opportunity to enter the acoustics engineering profession through higher education institutions in South Africa has resulted in training being provided exclusively, but for a very limited intake, through mentorship opportunities, states acoustics engineering firm Mackenzie Hoy... 

Lubricant reduces vibration, noise

By: Zandile Mavuso     12th October 2012 US-based lubricant manufacturer Lubricant Engineers’ Pyroshield open gear lubricant, which is distributed locally by wear control specialist Filter Focus, reduces friction, vibration and noise levels. “Higher vibration means higher friction, which results in higher electricity consumption.... 

New building technology designed to reduce noise pollution

By: Zandile Mavuso     12th October 2012 Interior building solutions group Saint-Gobain Gyproc has launched its Gyproc SoundBloc plasterboard walling system, which is designed for high-impact resistance and the reduction of noise pollution. 

New gear pump reduces noise emissions

     12th October 2012 The new external Silence Plus gear pump from automation equipment manufacturer Bosch Rexroth reduces noise emissions by an average of 15 dBA, compared with conventional external gear pumps, the company states.  

New Q2-Trim technology reduces noise

     12th October 2012 Global technology and services provider Metso Corporation’s new Neles Q2-Trim technology reduces noise by up to 30 dB compared with a typical control valve, helping process industry customers improve personnel and plant safety, while simultaneously increasing efficiency and reliability. “For more... 

Ultrasonic camera to enhance NDT in industry

By: Zandile Mavuso     12th October 2012 Aerospace and defence group EADS’ Innovation Works research and technology network has signed a cooperation agreement with Norway-based DolphiTech for the development of a new nondestructive testing (NDT) system based on an ultrasonic camera component used for composite inspection 

Company launches low-noise amplifier transistor

     7th October 2011 Provider of advanced semiconductor solutions Renesas Electronics has a new Silicon Germanium:Carbon (SiGe:C) heterojunction bipolar transistor (HBT), which has a low-noise performance for wireless local area networks (LANs) and similar applications. 

First VHF and UHF low-noise amplifiers released for mobile devices

     7th October 2011 Semiconductor company Panasonic Corporation, based in Japan, has developed the industry’s first very high frequency (VHF) and ultra high frequency (UHF) low-noise amplifiers (LNAs) for mobile devices to operate at voltages as low as 1.7 V. The company began sample shipments in late March this year. 

Grooved mechanical piping systems reduce noise, vibration

     7th October 2011 Traditional noise and vibration attenuation methods may be unnecessary for heating, ventilating and air-conditioning systems, as well as industrial utility piping and fire protection systems when using grooved mechanical piping systems. 

Institute to host world conference, improve NDT training

By: Joanne Taylor     7th October 2011 The South African Institute of Nondestructive Testing (Saint) is set to host the eighteenth World Conference on Nondestructive Testing, in Durban, from April 16 to 20 next year. 

Local NDT company performs testing on Airbus components

By: Joanne Taylor     7th October 2011 Training and inspection company African Non-destructive Testing (NDT) Centre says it is currently the only company in the country performing high-volume NDT testing on Airbus aircraft parts. 

New noise and vibration analyser features user-inspired refinements

     7th October 2011 Years after launching its three-series analysers, noise and vibration instrument manufacturer Oros has added user-inspired refinements to the product. 

New vibrometer with hand-held probe now available

     7th October 2011 The Monitran model MTN/VM110, an entry-level vibration meter, is now available from instrumentation company Instrotech. The compact, lightweight and portable meter is designed to operate with a constant current type accelerometer, making vibration measurements simple and convenient. 

US company provides leak detection training sessions

     7th October 2011 Mining industry suppliers that use leak test instrumentation can now achieve higher quality and efficiency through improved training offered at no cost by US-based leak detector provider Uson. 

Vibrometer wins industry award

     7th October 2011 Technology and laser-based measurement solutions company Polytec, based in Germany, received the 2011 Industry Prize at this year’s Hannover Messe trade fair for its ultra high frequency-120 (UHF-120) vibrometer. 

Grooved piping systems reduce 
vibration and noise

By: Eleanor Seggie     8th October 2010 Traditional noise and vibration attenuation methods may be unnecessary for heating, ventilating and air-conditioning (HVAC) systems, and industrial utility piping and fire protection systems when using grooved mechanical piping systems, says US-based mechanical pipe joining systems manufacturer... 

Phased system offers 
vibration monitoring

By: Eleanor Seggie     8th October 2010 Condition monitoring company Engineering Dynamics has launched a three-phased vibration monitoring and protection system, where clients choose the level of monitoring capabilities in their plants. 

South Africa hosts international NDT conference

By: Eleanor Seggie     8th October 2010 The 18th World Conference on Nondestructive Testing (WCNDT) will be held on African soil for the first time, in Durban, from April 12 to 16, 2012.  

Gautrain aims for low 
noise and vibration

     9th October 2009 Substantial effort has been put into South Africa’s R35-billion Gautrain rapid rail project to contain noise and vibration. 

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