Fan Air
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 Dyson AM01 12 Inch Silver Iron Air Multiplier Bladeless Table Fan $119.99 Time Remaining: 15d 2h 59m Buy It Now for only: $119.99 |
 Green USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $7.38 (11 Bids) Time Remaining: 1h 58m |
 Pink USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $9.02 (9 Bids) Time Remaining: 1h 58m |
 Evaporative Cooling Fan Air Purifier with Ionizer and Humidifier NewAir AF 310 $97.00 Time Remaining: 6d 5h 48m Buy It Now for only: $97.00 |
 Green No leaf air condition Bladeless mini Refrigeration fans USBdesktop $8.88 Time Remaining: 2h 1m |
 New PATTON PX306 14 High Velocity Floor Fan Air Circulator Portable Built Tough $44.99 Time Remaining: 10d 1h 22m Buy It Now for only: $44.99 |
 Dyson Air Multiplier TABLE FAN 12 inch Silver $229.00 Time Remaining: 3h 28m |
 Dyson AM01 12 Inch Silver Iron Air Multiplier Fan $129.99 Time Remaining: 21d 2h 25m Buy It Now for only: $129.99 |
 Payne Fan Coil Air Handler 18000 BTU $249.95 Time Remaining: 6h 7m |
 No Leaf Air Condition Mini Portable Bladeless Fan with USB Cable $8.99 Time Remaining: 13d 9h 59m Buy It Now for only: $8.99 |
 HONEYWELL TURBO FORCE AIR CIRCULATOR FAN HT 900 NEW $12.99 Time Remaining: 6h 19m |
 New 48 Lasko Oscillating Tower Fan 3 Speed Cooling Wind Air Ionizer Remote $78.98 Time Remaining: 25d 6h 33m Buy It Now for only: $78.98 |
 NEW DYSON AM02 BLADELESS AIR MULTIPLIER TOWER FAN SILVER + remote control NIB $325.00 Time Remaining: 7h Buy It Now for only: $375.00 |
 Small Fan Mini Air Conditioner Stay Cool Handy Cooler $11.28 Time Remaining: 16d 14h 32m Buy It Now for only: $11.28 |
 air condition Bladeless mini Portable fans USB desktop blue gift for children $15.00 Time Remaining: 7h 21m |
 Black Handy Hand held Air Condition Cool Cooler Fan USB Black $9.98 Time Remaining: 28d 13h 22m Buy It Now for only: $9.98 |
 Dyson AM01 12 Air Multiplier Table Fan 6 months Warranty WHITE CHEAPEST DEAL $161.99 (22 Bids) Time Remaining: 8h 58m |
 MIRA COOL 3 IN 1 5000 BTU PORTABLE AIR CONDITIONER DEHUMIDIFIER AND FAN NEW $199.00 Time Remaining: 23d 17h 37m Buy It Now for only: $199.00 |
 Portable Hand Held USB Mini Air Conditioner Fan Cooler Pink +Bottle + USB Wire $9.99 Time Remaining: 13h 25m |
 CPRB08XCJ 8000 BTU Portable Air Conditioner Dehumidifier Fan w remote control $129.99 Time Remaining: 29d 2h 54m Buy It Now for only: $129.99 |
 Portable Air Cooler Personal Mini AC Spot Evaporative Cooling Conditioner Fan $109.95 Time Remaining: 14h 36m Buy It Now for only: $120.95 |
 No Leaf Air Condition Mini Portable Bladeless Fan with USB Cable $9.89 Time Remaining: 15d 4h 20m Buy It Now for only: $9.89 |
 NEW Evaporative Air Cooler Portable AC Personal A C Conditioner Spot Cooling Fan $129.99 Time Remaining: 14h 52m Buy It Now for only: $142.99 |
 NEW No Leaf Air Condition Mini Portable Refrigeration Bladeless Fan USB Desktop $8.89 Time Remaining: 14d 14h 23m Buy It Now for only: $8.89 |
 Evaporative Portable Air Cooler AC Humidifier Conditioner Fan Ionizer Purifier $129.95 Time Remaining: 15h 45m Buy It Now for only: $142.95 |
 Portable Handheld USB Mini Air Conditioner Cooler Fan $10.36 Time Remaining: 26d 12h 3m Buy It Now for only: $10.36 |
 No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop $4.99 (1 Bid) Time Remaining: 19h 24m |
 Dyson Air Multiplier AM01 10 Inch Desk Fan Iron Blue NIB $169.00 (1 Bid) Time Remaining: 1d 1h 8m |
 Bladeless Fan 12 New Air Multiplier Oscilating and Tilt with Remote $92.50 Time Remaining: 17d 6h 8m Buy It Now for only: $92.50 |
 Pink USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $7.52 (6 Bids) Time Remaining: 1d 1h 58m |
 Mini Portable No leaf Air Conditioner Stay Cool Handy Fan Cooler With USB Cable $8.39 Time Remaining: 17d 14h Buy It Now for only: $8.39 |
 No Leaf Air Condition Mini Portable Bladeless Fan with USB Cable $4.88 Time Remaining: 1d 3h 26m |
 Dyson AM01 12 Inch Silver Iron Air Multiplier Bladeless Table Fan $159.99 Time Remaining: 18d 5h 37m Buy It Now for only: $159.99 |
 Dyson Am 01 am01 10 Table Fan air multiplier Silver $128.88 (2 Bids) Time Remaining: 1d 5h 11m |
 20 BIG AIR FLOOR FAN HIGH VELOCITY 25 X 24 X 12 TILT WE SHIP FAST $58.49 Time Remaining: 21d 18h 14m Buy It Now for only: $58.49 |
 Fan Coil Air Handler 18000 BTU Apartment Replacement $239.99 Time Remaining: 1d 8h 1m |
 1 6 H P AIR CONDITIONER CONDENSER FAN MOTOR $94.00 Time Remaining: 4h 6m Buy It Now for only: $94.00 |
 5 Ton Carrier Performance Series Fan Coil Air Handler FV4CNB006 $999.99 Time Remaining: 1d 8h 1m |
 Sunpentown Evaporative Air Cooler Humidifier Air Filtration Fan SF 613 $116.25 Time Remaining: 9d 11h 46m Buy It Now for only: $116.25 |
 BRAND NEW DYSON AM01 AIR MULTIPLIER Bladeless fan 10 WHITE SILVER $159.99 Time Remaining: 1d 8h 59m Buy It Now for only: $179.99 |
 Evaporative Portable AC Air Cooler Mini Conditioner Cooling Fan Sunpentown $129.00 Time Remaining: 12d 6h 19m Buy It Now for only: $129.00 |
 Handy Air Condition Fan Cool Cooling Handy Pink Color $0.96 Time Remaining: 1d 9h 51m |
 Portable Mini No Leaves Desktop Air conditioner Fan With USB Cable Purple $8.19 Time Remaining: 13d 14h 32m Buy It Now for only: $8.19 |
 Commercial 36 High Velocity Rolling Drum Fan Air Blow All Steel 11200CFM Power $289.99 Time Remaining: 1d 10h 50m |
 NEW No Leaf Air Condition Mini Portable Refrigeration Bladeless Fan USB Desktop $10.99 Time Remaining: 1d 6h 31m Buy It Now for only: $10.99 |
 Air Recirculation Fan $300.00 Time Remaining: 1d 11h 21m Buy It Now for only: $400.00 |
 Handy Cooler Small Fan Mini Air Conditioner Cools air up to 30F Batteries USB $47.99 Time Remaining: 28d 18h 25m Buy It Now for only: $47.99 |
 Dyson AM02 Air Multiplier Tower Silver Oscillating Household Fan $228.50 (30 Bids) Time Remaining: 1d 12h 31m |
 Mini Portable Bladeless Fan No Leaf Air Conditioner w USB Cable Desktop Blue $7.85 Time Remaining: 23d 13h 36m Buy It Now for only: $7.85 |
 NEW DYSON AM02 BLADELESS AIR MULTIPLIER TOWER FAN SILVER + remote control NIB $255.00 (23 Bids) Time Remaining: 1d 12h 35m |
 Honeywell HT 900 TurboForce Air Circulator Fan BRAND NEW Office Dorm Room $25.97 Time Remaining: 11d 8h 45m Buy It Now for only: $25.97 |
 New No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop $0.99 Time Remaining: 1d 13h 55m |
 Handy Air Condition Fan Cool Cooling Handy Blue Color $0.98 Time Remaining: 1d 14h 22m |
 Bladeless Fan 12 Silver Air Multiplier Oscilating New with Tilt includes Remote $94.99 Time Remaining: 20d 13h 1m Buy It Now for only: $94.99 |
 Mini Portable Handheld Air Conditioner No Leaf Fan BEST BUY $14.99 Time Remaining: 1d 17h 1m |
 Ceiling Fan Air Filters 1 Fan Per Pack Qty 1 Pack $3.95 Time Remaining: 23d 8h 9m Buy It Now for only: $3.95 |
 Dyson Air AM01 Multiplier Bladeless Table Fan 12 No Blades No Buffeting $150.00 Time Remaining: 2d 1h 28m Buy It Now for only: $230.00 |
 Blue Handy Hand held Air Condition Cool Cooler Fan USB Blue $109.98 Time Remaining: 28d 13h 26m Buy It Now for only: $109.98 |
 Portable Hand held Air Condition Wet Cool Cooling Fan USB Blue P019 $15.99 Time Remaining: 2d 1h 37m |
 Brand New 10Silver 220V No Leaf Air Condition Bladeless Fridge Table Fan EU $99.00 Time Remaining: 26d 18h 14m Buy It Now for only: $99.00 |
 USB Desktop No Leaf Air Condition Bladeless Mini Portable Refrigeration fans $4.05 (5 Bids) Time Remaining: 2d 2h 5m |
 Fan Motor for Alpine Ecoquest Living Air Purifiers $28.50 Time Remaining: 24d 3h 37m Buy It Now for only: $28.50 |
 Soleus Air Stand Tower Fan with Remote Control $71.60 Time Remaining: 2d 2h 39m |
 No Leaf Small Fan Mini Air Conditioner Stay Cool Handy Cooler Green $8.99 Time Remaining: 21d 12h 24m Buy It Now for only: $8.99 |
 DYSON FAN AIR MULTIPLIER AM01 BLADE LESS 12 TABLE FAN SILVER NO RESERVE NR $96.51 (7 Bids) Time Remaining: 2d 5h 19m |
 OEM GE Genteq Air Conditioner Condenser FAN MOTOR 1 6 HP 208 230v 5KCP29DCA023S $179.99 Time Remaining: 23d 23h 57m Buy It Now for only: $179.99 |
 Purple USB Desktop No Leaf Air Condition Bladeless Portable Refrigeration fan $3.25 (7 Bids) Time Remaining: 2d 5h 45m |
 4 Color NEW No Leaf Air Condition Mini Portable Refrigeration Fan USB Desktop $7.89 Time Remaining: 20d 4h 7m Buy It Now for only: $7.89 |
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 Air King 9312 Multi Mount Fan Optimal Air Circulation Versatile New $74.35 Time Remaining: 21d 4h 2m Buy It Now for only: $74.35 |
 Honeywell HY 048 Series Tower Fan Washable Air Filter Used $19.95 Time Remaining: 2d 10h 15m |
 Honeywell HT 904C Tabletop Air Circulator Fan White $40.49 Time Remaining: 23d 16h 5m Buy It Now for only: $40.49 |
 Dyson AM01 Air Multiplier 10 Bladeless Table Desk Fan Blue $110.00 (19 Bids) Time Remaining: 2d 12h 36m |
 Vornado Whole Room Air Circulator Fan CR1 0118 06 Black $34.99 Time Remaining: 2d 8h 39m Buy It Now for only: $34.99 |
 DYSON AM02 Air Multiplier Tower Fan Silver New Manufacturer Sealed Box $241.50 (11 Bids) Time Remaining: 2d 15h 35m Buy It Now for only: $339.00 |
 Vornado Premium Whole Room Air Circulation Fan Model 715 Free UPS Ground $69.99 Time Remaining: 25d 8h 56m Buy It Now for only: $69.99 |
 Soleus Air 10 Table or Wall Mounted Fan $49.00 Time Remaining: 2d 23h 49m |
 MAXX AIR HIGH VELOCITY SHOP FAN $50.00 (1 Bid) Time Remaining: 3d 2h 28m |
 Cool Breeze Fan Packs Air Conditioning Alternative $3.99 Time Remaining: 8d 2h 31m Buy It Now for only: $3.99 |
 New PATTON PX306 14 High Velocity Floor Fan Air Circulator Portable Built Tough $63.95 Time Remaining: 3d 11h 15m Buy It Now for only: $71.95 |
 Honeywell HT 904C Tabletop Air Circulator Fan White $22.88 Time Remaining: 26d 20h 27m Buy It Now for only: $22.88 |
 Dyson AM01 12 Inch Silver Iron Air Multiplier Fan $120.00 Time Remaining: 3d 13h 10m Buy It Now for only: $140.00 |
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 New yellow Mini portable No leaf air condition Foldable fan USB desktop $4.99 Time Remaining: 4d 1h 15m |
 Portable Hand Held USB Mini Smile Face Air Conditioner Cooler Fan Lightweight $9.29 Time Remaining: 1d 12h 37m Buy It Now for only: $9.29 |
 blue Noleaf air condition Bladeless mini Portable Refrigeration fans USB desktop $4.99 Time Remaining: 4d 1h 15m |
 Dyson AM02 Silver Tower Air Multiplier Fan Brand NEW in BOX SAVE $319.99 Time Remaining: 27d 14h 45m Buy It Now for only: $319.99 |
 No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop Blu $0.99 Time Remaining: 4d 3h |
 No leaf air condition Bladeless mini Portable Refrigeration fans USB desktop $11.55 Time Remaining: 18d 3h 21m Buy It Now for only: $11.55 |
 Carrier Fan Coil Air Handler 18000 BTU $249.99 Time Remaining: 4d 8h 21m |
 Handy Hand held Air Condition Cool Cooler Fan USB Black $16.99 Time Remaining: 12d 2h 33m Buy It Now for only: $16.99 |
 Portable Industrial Blowing Fan 3 Speed Air Circulation Office Home Business New $59.49 Time Remaining: 4d 9h 48m |
 Cool Breeze in Summer No Leaf Air Conditioner Mini Portable Bladeless Fan USB $8.49 Time Remaining: 21d 9h 56m Buy It Now for only: $8.49 |
 Lasko Air King 9900 20 Inch Window Floor Fan $65.99 Time Remaining: 4d 10h 16m |
 Mini bladeless cooling fan fortable air condition USB powered 7 purple NEW $21.99 Time Remaining: 28d 5h 58m Buy It Now for only: $21.99 |
 HONEYWELL HT 900 TGT TurboForce Power Air Circulator Fan 25 Quieter Model $0.99 (1 Bid) Time Remaining: 4d 10h 48m |
 SOLEUS 10000 BTU PORTABLE AC AIR CONDITIONER HEATER DEHUMIDIFIER FAN X LX 100 $302.49 Time Remaining: 26d 7h 21m Buy It Now for only: $302.49 |
 NEW 6 2 Speed Portable Air King Circulating Stand Ventilation Cooling Fan 9146 $25.99 Time Remaining: 4d 11h 55m Buy It Now for only: $28.99 |
 Portable Mini Fan Hand Held Air Condition Small Conditioner Cooler USB Battery $19.99 Time Remaining: 29d 18h 42m Buy It Now for only: $19.99 |
 Air King 6 Inch 2 Speed Fan 9146 $5.00 Time Remaining: 4d 12h 33m Buy It Now for only: $15.00 |
Fan Air
Selection of Right Axial Fan for Ventilation
In a typical axial fan, the effective progress of the air is straight through the impeller at a constant distance from the axis. The primary component of blade force on the air is directed axially from inlet to outlet and thus provides the pressure rise by a process that may be called direct blade action.
The blade force necessarily has an additional component in the tangential direction, providing the reaction to the driving torque : this sets the air spinning about the axis independently of its forward motion.
The air delivering capacity of axial flow fans ranges from 100 to 500,000 cubic feet per minute (3,000 to 15,000 cubic meters per minute). Impellers usually have blades with airfoil cross-sections.
As compared to curved sheet blades, aerofoils can apply greater force to the air, thereby increasing maximum pressure and can maintain better efficiency over a wider range of volumetric flow. Also by increasing the thickness & curvature of the inner sections, the blades can be made stiffer, this limits flutter and allows the impellers to be run at higher speeds.
Selection of a a right fan one should consider such factors like cost optimization, power rating & noise levels govern the selection of a fan suitable for a given application. Various combinations are possible to meet any given duty or operating requirements for best performance, lesser noise, power and cost characteristics.
Once the volume of airflow and the static pressure of the system are known, it is possible to specify a fan. The governing principle in fan selection is that any given fan can only deliver one flow at one pressure in a given system. To select a fan one must consider the following parameters:
- total airflow required
- total operating pressure
- fan installation space
The fan efficiency is defined as the ratio of air power (output) to shaft power requirement (input). An optimally designed fan impeller with improved aerodynamics requires less shaft input power for desired delivery of air volume with total pressure rise as per the system requirement. With reduced shaft power requirement, there is a commensurate reduction in energy consumption.
Thus the fan efficiency is directly contingent upon selection of fan and the operating point relevant to the system resistance.
The way fan impellers (blades or rotors) are designed, the amount of air they can move decreases as the pressure they are working against increases.
The airflow vs. pressure information for a particular fan is called the fan performance data. The performance of a fan depends on the size, shape & speed of the impeller. The fan performance data is essential for selecting fans as per the desired airflow and system pressure.
Most fans are tested using procedures specified by Air Movement and Control Association International Inc. (AMCA), Illinois, USA. The fan under test is mounted near the outlet of the test rig and air in-flow through the rig is varied by the movable gate assembly situated at the other end of the test rig.
The airflow through the rig is determined by measurement of the pressure differential and simultaneous readings are taken of the static pressure developed by the fan, air velocity at the exit side, power consumed by the fan driving motor etc.
Fan performance curves and data show how much pressure and airflow a given fan can produce at a given speed. This data is based on the system resistance (pressure) occurring away from the fan. Fan performance curves are developed by fan manufacturers based on the testing of a prototype fan fabricated based on the theoretical design.
The axial flow fans are widely used for providing the required airflow for heat & mass transfer operations in various industrial equipment and processes. These include cooling towers for air-conditioning & ventilation, humidifiers in textile mills, air-heat exchangers for various chemical processes, ventilation & exhaust as in mining industry etc. All the major industries use large number of axial flow fans for operations, such as :
- Power generation
- Petroleum refining & petrochemicals
- Cement industry
- Chemicals & pharmaceuticals production
- Fertilizer production
- Mining manufacturing
- Humidification in textile mills
- building Ventilation, etc..
For additional information please refer to http://canadianblower.com/fans/index.html.
Susan Terlitski
Canadain Ventilation Systems Designer / Engineer
Canadian Blower
http://canadianblower.com/oem/index.html
http://canadianblower.com/news/index.html
About the Author
Susan Terlitski
Canadain Ventilation Systems Designer / Engineer
Canadian Blower
http://canadianblower.com/oem/index.html
http://canadianblower.com/news/index.html
Do you have to keep the air-conditioning fan running in order to turn the power humidifier on?
I have a Lennox power humidifier model WP2-18. I have noticed that whenever I turn off the air-conditioning fan, the humidifier doesnot work. How are these two things tied together? Do I have to keep the fan running for the humidifier to be operational.
The humidifier only receives power when the fan is running.
Balloons and Dyson Air Multiplier™ fans