noise reduction in the data center & office processing facilities
TRANSCRIPT
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Noise Reduction in the Data Center & Office Processing Facilities
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“Consolidation and denser equipment make for noisier data centers.”
Computer World (2007)
In 2001, the World Health Organization published revised guidelines for Community Noise in which it recommends a 70 dB (A) noise level limit for commercial areas. It is worth noting that the combined noise level of just eight low form factor servers operating with average CPU loads would be approximately 74 dB
(A).
Data Center Noise
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Demand for quiet racks is growing in these sectors;
Audio Visual/Graphic Design Studios
Education, Schools and Universities, Libraries
SOHO sector
Large Enterprise / Government Facilities with satellite/branch Cloud Deployments
Niche requirements: Healthcare Clinics, Ships, Marketing Exhibits
Decision makers respond well to the following triggers;
Efficiency / Green / Reduced Energy
Direct comparison between the huge cost (both upfront and ongoing) and inflexibility of a dedicated Computer Room.
Desire to be leading edge
Improving the Working Environment
Justifiable ROI
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Is a sound that is noticeably unpleasant
Any sound that is undesired or interferes with one’s hearing of something
What is Noise?
Merriam-Webster.com (2011)
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Decibel (dB) is a measurement of Sound Pressure Level (SPL)
Sound Pressure Level is the physical intensity of sound
The (A) after the dB refers to an ‘A weighting’. This weighting gives more significance to audible sound frequencies and therefore attempts to reflect sound levels as they are experience by a human ear.
What Does dB(A) Mean?
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60 dB(A) - A normal office conversation
70 dB(A) – A Vacuum Cleaner
77 dB(A) – A Passenger Car @ 65 mph
80 dB(A) – Garbage Disposal
90 dB(A) – Power Lawn Mower
140 dB(A) - Jet Engine at takeoff
How Loud is Loud?
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70dB(A) - Sun Fire X2270 M2 Server
72dB(A) – IBM 8852 BladeCenter H (Performance Mode, Enhanced Blowers)
66dB(A) – IBM 8852 BladeCenter H (Performance Mode, Original Blowers)
71dB(A) – Dell PowerEdge 6800
Data Center Equipment Noise
Ratings based on single unit. SPL increases approximately 3dB(A) for each additional unit added to the environment.
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Several Studies have shown that noise levels within Data Centers vary from 68dB(A) to 80dB(A).
Size of facility, amount of equipment, type of cooling systems all have an impact on the noise levels.
Data Center Equipment Noise
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Workplace Regulations
The Human Effects
Cost to Business
Considerations
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When an employee is exposed to noise levels of at least 85dB(A) for a period of 8 hours or more, employers must implement programs to monitor the environment and provide employees with hearing protection.
Workplace Regulations
Occupational Safety & Health Administration
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Hearing Impairment
Interferences with Spoken Communication
Cardiovascular Disturbances
Mental Health Disturbances
Impaired Task Performance
Annoyance Reactions
The Human Effects
World Health Organization
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Exposure to constant sound levels above 85dB(A) is potentially hazardous and can be a main contributor to hearing loss.
Hearing Impairment
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Noise at increased levels interferes with the ability to comprehend normal speech.
Decreased working capacity and stress reactions can also occur.
Interference With Spoken Communication
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Daily exposure to noises above 65dB(A) can trigger nervous system responses that affect the cardiovascular system leading to hypertension, increased blood pressure and increased heart rates.
Cardiovascular Disturbances
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Noise may cause or contribute to effects like anxiety, stress, headaches and changes in mood.
Mental Health Disturbances
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Noise can impair task performance at work, increasing errors and decreasing motivation.
Reading attention, problem solving, and memory are strongly affected by noise.
Impaired Task Performances
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Sound levels above 45dB(A) can produce annoyance reactions in a significant number of people.
Annoyance Reactions
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Employee Productivity
Health Insurance
Workman’s Compensation Claims
Government Regulations
Cost to Business
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Hearing Protection
Lights-Out Operations
Specialized Server Enclosures
Possible Solutions
World Health Organization
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Low cost, quick to implement
Does not reduce noise in workplace
Temporary Solution
Hearing Protection
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Provides reduced exposure for employees
Difficult and costly to implement
Does not reduce noise in workplace
Lights-Out Operations
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Reduces noise of data center equipment (from 14 to 30dB(A) reduction)
Immediate installation, no construction costs
Addresses equipment thermals, potentially decreasing cooling costs
Specialized Acoustic Server Enclosures
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Offers alternative to dedicated server room
100% Portable
Scalable
Use of ambient air for cooling
Specialized Acoustic Server Enclosures
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Use of high density foam designed to attenuate the specific frequencies of server noise
Designed to minimize sound leakage at cable access points
Use of fan systems to facilitate proper thermal dissipation using ambient air
Specialized Acoustic Server Enclosures
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Attractive appearances to fit most workplace environments
Provides secure environment for sensitive equipment
Designed with operational cost-savings in mind
Specialized Acoustic Server Enclosures
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28.5 dB(A) Noise Reduction
Thermal Dissipation of 7.2kW
Energy Efficient
Available in 12u, 24u and 42u sizes
Specialized Acoustic Server Enclosures:
UCOUSTIC
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28.5 dB(A) Noise Reduction
Thermal Dissipation of 7.2kW
Energy Efficient
Available in: Oak, Maple, Beech, Cherry, Ash, Walnut, Mahogany for 12u, 24u and 42u sizes
Specialized Acoustic Server Enclosures:
UCOUSTIC Premium Wood Option
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Up to 30 dB(A) Noise Reduction using Active Noise Cancellation Technology
Thermal Dissipation of 8kW
Glass Front Door
Available in 15u and 33u sizes
Active Silencer Fan Tray™(ASFT™)
AcoustiRACK ACTIVE is an alliance partner in HP BladeSystem
Solution Builder Program and for Intel Modular Servers supporting
Active Noise Control Enclosure Solutions.
http://www.youtube.com/watch?v=4ExBkpLJmpM&feature=related
Specialized Acoustic Server Enclosures: AcoustiRACK
Active
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20.7 dB(A) Noise Reduction
Thermal Dissipation up to 3kW
Built for the Budget conscious Cost-Effective
Available in a variety of sizes & Depths 24U, 35U & 44U – (36” & 42” deep)
Specialized Acoustic Server Enclosures:
AcoustiQuiet
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14 dB(A) Noise Reduction
Thermal Dissipation
9u (1.2KW) & 12u (1.5KW)
Cost-Effective, SOHO applications
Available in 9u & 12u
Specialized Acoustic Server Enclosures: AcoustiQuiet Mini
Cabinet
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Isolation of loud servers in existing data center rooms / NOC (network operation centers)
Laboratories /Libraries / Broadcast & Sound Studios
Classrooms / Lecture Halls /Training Rooms
Medical Offices & Clinics / Hospitals
Boardrooms / Public Safety Facilities
Acoustic Server Enclosure Applications
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Open Office Environments
Alternative to data room build-out in smaller satellite offices / Branch Offices
Environments with limited space / rented space
Future Relocation / Temporary IT Moves
Workspaces where cooling options are limited
Acoustic Server Enclosure Applications
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Budgets
Available Floor Space
Electrical Requirements and Consumption
HVAC Requirements
Deployment Timeline
Scalability
Portability
Deployment Considerations
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ROI ScenariosMkt. Research Firm, Mid Atlantic US
Not building a server room saved:Total Savings Over 3 Years: $119,817
Savings Breakdown:Rental Cost Per Year: $18,720AC Running Cost Per Year: $4,719Room Conversion Cost: $49,500
Equipment Deployed:• 3 x Cisco Catalyst Gb PoE Switches• 6 x Switches• 3 fibre panels• 1 x UPS
Approx Max Thermal Load: 8kWQuiet Rack Solution*: 3 x 42U racksQuiet Rack Purchase Price: $16,000
A-V Studio, Los Angeles CA
Not building a server room saved:Total Savings Over 3 Years: $91,443
Savings Breakdown:Rental Cost Per Year: $13,520AC Running Cost Per Year: $5,961Room Conversion Cost: $33,000
Equipment Deployed:• 2 x XServe (Dual Processor)• 1 x Telephone System• 2 x File Servers• 10 x Render Nodes
Approx Max Thermal Load: 10kWQuiet Rack Solution: 2 x 12U Quiet Rack Purchase Price: $9,000
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Medium Size Enterprise, Chicago Metro
Not building a server room saved:Total Savings Over 3 Years: $55,020
Savings Breakdown:Rental Cost Per Year: $8,700AC. Running Cost Per Year: $1,390Room Conversion Cost: $24,750
Equipment Deployed:• 2 x PoE Switches• 2 x Tower Server (Single Processor)• 3 x Servers (5 Processors in Total)• 2 x NAS boxes• 1 x UPS
Approx Max Thermal Load: 2kWQuiet Rack Solution*: 1 x 24U rackQuiet Rack Purchase Price: $4,900
Private Middle School, North East US
Not building a server room saved:Total Savings Over 3 Years: $45,906
Savings Breakdown:Rental Cost Per Year: $4,355AC. Running Cost Per Year: $2,697Room Conversion Cost: $24,750
Equipment Deployed:• 5 x mini desktops• 5 x Dual Processor Servers• 1 x fully populated RAID• 2 x Switches• 1 x Firewall & 1 x UPS
Approx Max Thermal Load: 4kWQuiet Rack Solution*: 1 x 42U rackQuiet Rack Purchase Price: $8,300
ROI Scenarios
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http://usrackdistributors.com/dealers/dealers.asp
US Rack Distributors Password protected Dealer Web Page
USER NAME: dealers ; Pass Word: USRD2010!
http://usrackdistributors.com/noise-reduction.asp
Demonstrating dB(A) Noise Reduction Effect
http://www.quiet-rack.com/
Industry Forum Web Page
Helpful URL’s
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As OSHA tightens down on undue noise in the work place, in the Data Centers, or at processing facilities, driving workers compensation insurance claims against the enterprise, we offer practical solutions. Our Soundproof Rack Server Cabinets help mitigate the incessant Noise caused by the proliferation of Servers, Network Elements and AV Electronics, even while optimizing power consumption efficiencies. Quiet Server Rack Cabinet Deployments can resolve noise pollution, increase energy efficiency, and reduce costs.
QUESTIONS?
Noise Reduction in the Data Center