Vibration Control Articles

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What Are the Benefits of Using a Mechanical Vibrating Separator for Bulk Solids?

by VibraScreener Inc.  (Jul. 15, 2016)

Mechanical vibrating separators are one of three main types of industrial screening machines, along with rectangular and circular screeners. While mechanical separators are generally considered to be at the lower end of the technological spectrum, they offer several advantages over other types of machines in certain bulk solid screening ...

DELUMPER Bulk Bag Unloader (BBU)

by Franklin Miller Inc.  (Aug. 19, 2016)

The DELUMPER Bulk Bag Unloader (BBU) is a heavily constructed system designed for convenient unloading materials even if they contain lumps and agglomerates. This unit employs a gyrator to effectively fluidize the materials for dependable discharge from the bags.  Then,  a heavy duty built-in DELUMPER crusher conditions and freshens the ...

Petrochemistry: Monitoring the magnetic clutch of a boiler fan - Case Study

by Wi-Care  (Jul. 27, 2016)

Equipment, Context:   The manufacturing site is a steam cracker in Europe operating 24 hours 7 days a week. To ensure its production, the plant has three boilers supplying in vapor several steam turbines and furnaces. The monitored equipment is a fan linked to a boiler. Fan is equipped with a magnetic-clutch allowing a driving ...

Vibration surveillance: Oil rig – Power generator - Case Study

by Wi-Care  (Jul. 27, 2016)

Equipment, plant overview, Context Oil rigs are located in Gulf countries, Emirates.Rigs are operating 24/7 and powered by quite big power generator 436 kW. According to operator, generator was running at higher temperature than expected. Due to the periodic displacement of the generator in the oil field, no wired monitoring system was possible. ...

Food industry: Monitoring a fan imbalance - Case Study

by Wi-Care  (Jul. 27, 2016)

Equipment, Context: The Plant is located in Northern Europe, producing amino acids amongst other products. The site is operating 24/7 all year long. The fan (impeller) is supplying drying process with hot air. Fan is unique and doesn’t receive a deep prediction system or strategy. Fan bearing housing is equipped with a vibration ...

Rectangular Vibrating Screen Separators: Uses and Applications

by VibraScreener Inc.  (Jul. 15, 2016)

Vibratory screeners come in a wide range of sizes and configurations to support a diverse set of applications. Choosing the right machine for your purposes can be a daunting task — particularly if you’re upgrading older equipment that has been used for years. Technology has changed considerably, and there’s a good chance what was ...

Investing in a Safe and Healthy Workforce

by EHS Insight  (Mar. 2, 2016)

Poor physical and mental health are some of the leading contributors to inadequate employee performance. These conditions can be easily prevented or treated, but are often overlooked. This is especially true in offshore locations as employees are away from their familiar environment, friends, and family for long periods of time. ...

The Power of the Moon

by Sulzer  (Nov. 4, 2015)

The influence the moon has on life on earth is disputed. However, during an assignment in Southeast Asia, vibration experts from Sulzer were able to clearly confirm that the moon can even affect pumps. With its broad expertise, the Sulzer team was able to solve an unusual case of vibration. Southeast Asia is a key exporter of LNG (liquefied ...

If you can’t stand the CO2, get out of the kitchen – Part 2

by Analox Sensor Technology  (Oct. 22, 2015)

In Part 1 we reviewed the many standards, specifications and technical bulletins on commercial kitchen ventilation that have been published since 2000. In Part 2 we investigate four of the more recent ones, with a particular focus on carbon dioxide (CO2) ...

Acoustically induced vibration: A review of industry best practice

by WKC Group  (Sep. 22, 2015)

WKC Partner and Noise and Vibration practice leader, Richard Palmer, has recently had an article published in the Institute of Acoustics (IOA) Journal titled ‘Acoustically Induced Vibration: A Review of Industry Best Practice’. This technical paper, which provides the reader with a better understanding of the AIV phenomenon, was ...

Former Ordnance Survey – Case Study

by Envirochem Analytical Laboratories LTD  (Aug. 13, 2015)

Project Highlights Envirochem carried out environmental perimeter monitoring during the demolition of the former Ordnance survey site in Southampton. Airborne Dust, noise and vibration levels were all monitored using state of the art equipment. Project Description ...

Airbus Helicopters: Monitoring gearboxes with HUMS accelerometers case study

by Brüel & Kjær Sound & Vibration Measurement A/S  (Mar. 27, 2015)

Airbus Helicopters needed highly robust, flight-certified accelerometers for permanent monitoring of gearboxes to be quickly designed and delivered. Challenge For helicopters, one of the most dangerous possible scenarios – worse than engine failure – is gearbox failure. Quality vibration monitoring is needed to ensure gearbox health ...

Fred Hartman Bridge - Harris County, Texas case study

by Pure Technologies  (Nov. 18, 2014)

Service: SoundPrint - Bridges Client: Texas Department of Transportation (TxDOT) Project Date: 2002 Type of Bridge: Fan arranged cable-stayed bridge Length: 4.185 kilometres (2.60 mi) The Fred Hartman Bridge was opened to traffic in 1995 and is one of the largest cable stayed bridges in the United States. The cable stayed bridge portion ...

Black Box for Electrical Machines

by KONCAR - Electrical Engineering Institute Inc.  (Aug. 29, 2014)

Abstract This article describes a specific monitoring system for electrical machines, called black box for electrical machines (Electrical Machines Black Box, EMBB).  Detailed analysis about problems of harmful working conditions that can occur on all electrical machines has been made. Based on these data and on measurement and control ...

Marine Monitoring to Maximise the Performance of Marine Machinery

by Hansford Sensors  (Apr. 25, 2014)

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 ...

Intensification of flotation treatment by exposure to vibration

by IWA Publishing  (Apr. 10, 2014)

In this paper, an intensification of wastewater flotation treatment by exposure to vibration is studied. Exposure to vibration results in the decrease of air bubble size, increase of air flow through the aerator and more even dispersion of air bubbles in water. This intensifies the aeration process, thus significantly improving the treatment ...

Free-surface flow simulations for discharge-based operation of hydraulic structure gates

by IWA Publishing  (Jan. 21, 2014)

We combine non-hydrostatic flow simulations of the free surface with a discharge model based on elementary gate flow equations for decision support in the operation of hydraulic structure gates. A water level-based gate control used in most of today's general practice does not take into account the fact that gate operation scenarios ...

New Xtreme® metal detector from Eriez® raises industry bar in terms of superior sensitivity, ease of use and reliability

by Eriez Magnetics Europe Ltd  (Dec. 9, 2013)

Eriez Europe, UK manufacturer based in Caerphilly, South Wales, introduces the new Xtreme® Metal Detector, which surpasses previous units and competitive models alike with enhanced features, improved sensitivity and intuitive operation. The ultra-sleek Xtreme Metal Detector combines simplicity and sophistication with its easy-to-navigate ...

System for detection of excitation winding shorted turns in hydro generators

by KONCAR - Electrical Engineering Institute Inc.  (Oct. 9, 2013)

Abstract This article describes a specific instrument for detection of excitation winding shorted turns in hydro generators, developed in Koncar - Electrical Engineering Institute Inc., called Hydro generator Winding Fault Detection (HO WFD). This instrument is a part of the Institute's product line used for monitoring and diagnosis of rotating ...

Analytical and experimental study on bending vibration of internal combustion engines shafting system based on wave equations

by Inderscience Publishers  (Aug. 12, 2013)

This paper proposes a new analytical approach to study the bending vibration of N step shafting system. Changes of the shaft step properties under rotary condition are governed by two–dimensional wave equations. The source of the bending vibration is first analysed. Then strain and stress equations of the spinning shaft are established. After ...

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