air filter designs for electronics enclosures
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Air Filter Designs for Electronics EnclosuresTRANSCRIPT
Air Filter Designs for Electronic Enclosures
This webinar will be available afterwards at www.designworldonline.com & email
Q&A at the end of the presentation
Hashtag for this webinar: #DWwebinar
Before We Start
Moderator Presenter
Miles Budimir
Design World
Dan KruppUniversal Air Filter
Air Filter Designs for Electronics Enclosures
2014
Today’s presentation…
Air Filters in Electronics Cooling Applications• Types of equipment• Contamination & system failure
System Design Considerations• Industry standards and compliance• Thermal management / pressure drop
Air Filter Specification Process• Enclosure Air Filter Products• 3D CAD Demo
Enclosure Flame Safety• Flame Retardant Components• Fire Block Vent Panels
Overview
Air Filters in Electronics Equipment
Air Filter Role in Electronics ReliabilityFilters do more than simply capture dust
Thermal Management Shielding Against EMI/RFI InterferenceFire Resistance
Use only UL flame rated air filters
Fire audits have confirmed the effectiveness of flame retardant air filters in catastrophic conditions
Overheating is the #1 cause of costly electronics equipment failure and downtime
Increase Energy Efficiency
Low resistance / clean filters reduce equipment energy costs by providing optimal, laminar air flow thru-out electronics chassis
Environmentally Friendly
Ensure components are 100% compliant with internationally recognized environmental standards
High levels of interference may cause intermittent and unexplained equipment failure, data errors, packet retransmissions and network congestion
Industrial Equipment ApplicationsProduction Automation Equipment
Medical Device ApplicationsSophisticated Medical Electronics
LED/LCD Display ApplicationsEnclosure Thermal Management
Power Gen ApplicationsGreen Vehicle & Utility Scale
Solar Power ApplicationsUtility Grid Scale
Wind Power ApplicationsTurbine Environmental Protection
Military ApplicationsMobile and Aerospace Electronics
Data Center Applications
Pre-Filters for CRAC Units
Extends life of CRAC High Efficiency FiltersCleanable and ReusableReduce High Efficiency Filter Change-outs
Electronics Rack ApplicationsIntelligent Rack Cooling
Backup Power Applications
UPS / Network Power
Enterprise Network Applications
Servers & Storage
Thermal Component Applications
Fan Trays and Fan Packs
Contamination Wrecks Equipment
Air Filters Get Dirty
Quadrafoam keeps out dust and moths.
Very clean inside thanks to Quadrafoam
Green Washable FiltersSave Money & Improve Efficiency
Clean and re-install air filters
Avoid purchasing, inventory, distribution costs
Last several years depending on environment
Sustainability-friendly
Reduce waste
System Design Considerations
System Design Considerations
You need to design a data center chassis… Enclosure size
Density – electronics and components
Fan ratings – power and noise
Fan or blower locations
Industrial designs
And don’t forget the… Air filter – fit , form, function
Industry Standards and Classifications
NEBS GR-63, GR-78, GR-487-CORE Equipment must be: Easy to install, operate reliably, and efficiently occupy building space. Operation within a set of environmental conditions reduces product installation and maintenance costs.
Advanced TCI/Compact PCIA new series of PICMG specifications, targeted to the requirements for the next generation of carrier-grade communications equipment.
UL/CSA 60950 (formerly UL 1950) EN 60950
UL 94 HF-1Component plastics flame spec
UL 900Air filter flame spec
Mil-SpecApplying commercial standards where appropriate
Total Thermal System ManagementThermal management... Intake / Exhaust
Air flow path
Hot / cold aisles
Thermal analysis software libraries... 6 Sigma
FloTHERM
IcePak
MacroFlow
Total System Pressure DropSystem Components affect airflow
Power supplies
Perforated metal
Card guides
EMI / Faraday cages
Industrial designs / bezels / plenums
Air filters
Fan/Filter System RelationshipFan / blower location…
Push = Pressurization
Pull = Evacuation
Push + Pull
Pressurization
Pros:
All air is filtered in harsh environments
Air straightening
Pressure equalization
Cons:
Higher pressure drop through filter
Space requirements
Maximize plenum between fan and filter
Evacuation
Pros:
Maximize cooling air
Saves space
Lower filter pressure drop
Cons:
Not all air is filtered
Potential air bypass
Limited air straightening / pressure equalization from filter
Pressurization + Evacuation
Pros:
Maximum cooling air
Bigger air filters
Cons:
More space
Higher power requirements
Increased noise
Air Filter Design Innovations
Electronics Equipment Air Filters NEBS Certified
UL Listed and CE Certified
Support compliance to UL 60950
EMI shielding capabilities
Special metal finishes for corrosion protection / enhanced EMI
Free custom prototypes for R&D support
Electronics Equipment Filter ProductsMetal Mesh Air Filters
Rugged frame assemblies
Outdoor and other harsh environments
Available with integrated EMI shielding
Washable and reusable
Ultra-thin options for limited space applications
Electronics Equipment Filter ProductsFlex-Frame Air Filters Flexible flame retardant, polypropylene frames
UL 94 recognized flame rating
Conform to radius-type air intake bezels
Laser cutting capabilities for intricate frame designs
Snake around internal electronic components and chassis obstructions
Non-conductive for electronics applications
Electronics Equipment Filter ProductsQuadrafoam Air Filters
UL 94 recognized flame rating
Low pressure drop
Broad range of porosities (PPI)
ASHRAE efficiency ratings up to MERV 8
30% - 90% ASHRAE arrestance most popular
Ideal for networking / electronic enclosures
Electronics Equipment Filter ProductsHigh Efficiency Air Filters
Extends equipment operating life
Enhances air quality
Custom MERV 11, 13 & 15
Captures dust, mold & pollen
Commercial / industrial applications
Rigid aluminum frame and robust media for durability
Electronics Equipment Filter ProductsOutside Plant (OSP) Filters
UPE Membrane Filter Media
(Ultra-High Molecular Weight Polyethylene with Microglass
Backer)
Cleanable Pre-Filter
Tested for Wind Driven Rain / Water Intrusion
Blocks Salt Fog
Air Filter Specification Process Determine standards & specifications – NEBS, UL 60950, CE Understand flame rating requirements – UL 94 Select air filter dimensions (length, width, thickness) Select appropriate framed air filter model Determine handles / tabs or other fixture add-ons Select flame retardant media (thickness and porosity) Calculate linear airflow velocity Calculate maximum filter initial resistance Select media color and special metal finishes Prepare filter drawing – 3D CAD / online tools Request prototypes – test and evaluation
Enclosure Flame Safety
Enclosure – Fire Safety
Enclosure – Fire Safety
Enclosure – Fire Safety
Fire audits have confirmed the effectiveness of UAF flame retardant air filters Example of filters containing the
spread of fire to neighboring equipment
ComplianceApplicable Filter Standards:
UL 94 recognition
UL 900 registration
EU Directive 2002/95/EC
China RoHs
EU No. 1907/2006 REACH
EMI Air Filters & Vents
In addition to air filters…
Air filters with EMI shielding capabilities
EMI vent panels
Honeycomb fireblock Panels
Watch the PyroCide vent Video - next slide
Review Consider air filters early in the design process Understand industry & customer requirements Analyze custom enclosure configuration for total system
thermal and design management Specify filter utilizing the latest technological innovations,
including EMI shielding Ensure customers can acquire replacements
1624 Sauget Industrial Parkway, Sauget, IL 62206
P: 618.271-7300 | F: 618.271.8808 | www.uaf.com
Questions?Editor NameDesign [email protected]: 440.234.4531Twitter: @DW_Motion
Dan KruppUniversal Air [email protected]: 618.271.7300
Thank You This webinar will be available at
designworldonline.com & email
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