air cleaner Articles
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Methodology to determine component shell noise targets of vehicle induction systems
This paper describes a study that utilises transfer path analysis to quantify the shell noise contribution of a production air cleaner and compares the results to a prototype air cleaner with different surface characteristics. This technique utilises the surface velocity of the intake manifold and air cleaner and the transfer function of both components to predict the sound at the driver's ear. A ...
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Polarized-Media EACs are coming of Age
Non-ionizing polarized media is an IAQ technology finding broader market uses. It applies an active electric field to cap tore airborne particles, changing the way particles, behave in the air. In smaller residential equipment, this allows an electronic air cleaner (EAC) to operate efficiently within a space only 1 inch wide - the same sp-ace as a disposable filter. In larger commercial systems, ...
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Meeting the demands of Foreign Representative office for international air quality standards - Case Study
Problem: The client had been using stand-alone air purifiers of some of the best European grades but was incurring high recurring costs while the safety levels were not being achieved even in the moderate air pollution periods. Furthermore, they were worried about the secondary source of infection and gas off from the HEPA filters that were applied to their air purifiers. Solution: The ...
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ADO GL luxury coaches Mexico City, Mexico - Case Study
Key Parameters Market Segment - Transportation Function - Luxury Coach Service Project Timeline - 2000 to present Challenge: Superior indoor air quality. ADO GL began in 1992 providing high-end coach service between Mexico City and Veracruz with a fleet of buses that were fitted for passenger comfort. Since then the company has grown steadily, in part by taking steps to ensure that the ...
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J. Erik Jonsson Central Library Dallas, Texas - Case Study
Key parameters Type of Facility - Existing Function - Public Library (Government) Area - 8 stories, 563,000 sq.ft. Project Completed - 2009 Challenge: Optimize Indoor Air Quality and reduce maintenance costs. The owner wanted clean indoor air to protect the library contents in an urban environment and wanted to replace outdated electronic air cleaners and rolled media filters that were ...
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Helping IFFCO to re-open in Pandemic - Case Study
Problem: IFFCO wanted to run their operations and provide protection from pandemic COVID-19 to their employees. They were looking for a solution that eliminates the SARS-CoV-2 category of the virus, infectious pollutants, bacteria, and all other microorganisms from the air inside the office space. They also were looking for a system that neither requires very high maintenance nor has a high ...
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World`s largest air purifier produces gem stones
How Clean Air Produces Jewelry Cleaner air has never been this rewarding. Well, let’s face it, clean air alone is its own reward - something everyone should try and make an effort and do their part. Daan Roosegaarde, a designer from Rotterdam, has taken this one large step farther by building the biggest air purifier the world has ever seen. After 3 arduous years of research and ...
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What is Indoor Air Quality and How Can You Improve It?
For the longest time, air quality was meant to refer to the quality of air circulating outdoors. However, indoor air or the air found inside and around homes and office buildings is just as important to pay attention to. Improving indoor air quality should be a priority for everyone. What is Indoor Air Quality? Indoor air quality is the quality of air found circulating inside and around home ...
By Filter Buy
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SAGE Advice on Air Cleaners
The UK’s Scientific Advisory Group for Emergencies (SAGE) Advice on Virus Air Cleaners The UK’s Scientific Advisory Group for Emergencies (SAGE) has produced timely advice on the effectiveness and safety (or otherwise) of air cleaning technologies and devices in the context of fighting COVID-19. While the advice focusses on pre-Airora technologies, it is a valuable contribution as ...
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Air Cleaner and Filter Efficiencies - Case study
Our model PC-2H 10-stage Quartz Crystal Microbalance (QCM) real-time cascade impactor is a proven instrument for the testing of air cleaner and filter efficiencies in multiple application conditions. Whether it is for testing the efficiency of air cleaners in a nuclear submarine or for finding out how efficient an air cleaning system is in a factory, engineers have relied on our PC-2H 2 lpm flow ...
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Lead Monitoring
New lead standards are going to require new sampling methods. Fortunately, the latest samplers are making those requirements easier to cope with. Careful planning and research will produce valid, defensible results, while improvements in monitoring technology have increased the effectiveness and accuracy of modern high volume samplers. Today's samplers can save time and money, providing useful ...
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Dynamic Air Quality Solutions - Celebrating Thirty Years!
This year we are very pleased to celebrate the thirtieth anniversary of the first one-inch polarized-media electronic air cleaner. It was thirty years ago that the first polarized-media electronic air cleaner, produced under our “Dynamic Air Cleaner” brand, was introduced. As with many high-efficiency filtration products, polarized media has its roots in industrial applications. ...
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Air Quality Monitoring in the EU – What, Where, and How?
Air quality is essential to all of us, and consequently, so is the monitoring of air quality. However, what should be monitored, and where, and how? There are many bids on that. Some ten years ago, The European Union established its directive 2008/50/EC “on ambient air quality and cleaner air for Europe”. It is aimed at protecting human health as well as vegetation, and it has ever ...
By OPSIS AB
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Churchill Downs Louisville, Kentucky - Case Study
Key Parameters Type of Facility - Existing (EB) Function - Sports, Hospitality Area - 404,000 sf, 6-stories Project Completed - 2007 Challenge: IAQ for patron comfort and effective filtration. A primary objective in the six-story expansion was the ability to handle larger crowds at a variety of events; from races to large concerts. A second objective focused on comfort and performance. ...
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Albany times union newspaper Albany, New York - Case Study
Key Parameters Type of Facility – Existing (EB) Function – Commercial Printing Area – 17,000 sf printing bay Project Completed – 2010 Challenge: Remove noxious ink smell from inside a large commercial newspaper printing facility. An antiquated rolling media filter system was ineffective at removing the heavy ink smell inside the facility. There was a perception of ...
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Treating the Symptom and NOT the Cure?
For years and years, we Americans have been looking for the quick fix. What can we plug in to solve our problem? With everything from chemical air fresheners to make our house smell “better” rather than giving the dog a bath or emptying the vacuum bag, to heated vibrating exercise machines that “burn the fat away” while you watch TV; we are constantly bombarded with ...
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Medanta transforms its Gurgaon facility into a ‘Virus-free’ space with MUVGI technology - Case Study
Problem: With the rising number of COVID-19 cases, Medanta was facing the risk of airborne transmission of COVID-19 and other Hospital Acquired Infections inside the hospital premises, for not just patients, but also doctors, visitors, and support staff. The hospital administrators were aware of the fact that they needed to upgrade their air defense to stop the airborne transmission of ...
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Air-related symptoms no longer trouble in Seppo school - Case Study
Seppo School in Espoo, Southern Finland Elementary school for 1–6 grades, and an international school of Espoo 270 (430) pupils School premises built in 1964 Challenge The staff and pupils had been showing symptoms of poor indoor air quality for quite some time, such as itchy eyes, sneezing, and cough. The school had undergone major renovations and cleaning operations, but these ...
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Why Smog Towers are Effective ?
The smog tower facility is new for India, but turning out to be effective in different aspects. Let’s dig in to find a few points which make it turn out to be an effective technique: Covers a Large Area – Installation of one smog tower helps in cleansing the air of a vast open area. It is observed that this structure filters up to 70% of the incoming PM10 air and 50% of the ...
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Baker Center Childcare Center Punta Gorda, Florida - Case Study
Key Parameters Type of Facility - New Construction Function- Pre-K Education Area- 52,000sf Construction Cost $12.4 Million Project Completed - 2007 LEED Certified Challenge: Sustainable design. The center was rebuilt after Hurricane Charley in 2004 . Project designers wanted the facility to be safe for children as well as environmentally friendly. Solution: Dynamic V8 Air Cleaning ...
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