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Page Name: Explain eddy current tachometer with suitable sketch ppt


Posted by: project source code cheker
Created at: Tuesday 14th of August 2012 12:46:40 AM
Last Edited Or Replied at :Tuesday 14th of August 2012 12:46:40 AM
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Explain eddy current tachometer with suitable sketch



• In the magnetic drag type of tachometer a transducer produces an analog signal in the form of a continuous drag due to eddy currents induced in an aluminium cup
• The induced current is proportional to speed

Construction And Working

• It consists of a rotor which is coupled to the rotor shaft of the machine whose speed is to be measured
• A permanent magnet is attached to the rotor which rotates within an aluminium cup alongwith the rotor
• A s..................==> [ Click Here to Read More ]



Page Name: ppt on eddy current based flexible sensor for contactless measurement of breathing


Posted by:
Created at: Sunday 30th of March 2014 01:31:53 PM
Last Edited Or Replied at :Sunday 30th of March 2014 01:31:53 PM
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plz send me ppt on eddy current based flexible sensors for the contactless measurement of breathing on my email [email protected].................==> [ Click Here to Read More ]



Page Name: drag cup tachometer working principle


Posted by:
Created at: Sunday 10th of February 2013 11:37:35 PM
Last Edited Or Replied at :Sunday 10th of February 2013 11:37:35 PM
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how the drag cup rotate when permanent magnet rotates in drag cup tachometer
..................==> [ Click Here to Read More ]



Page Name: EDDY CURRENT BRAKES PPT


Posted by: engineering project helper
Created at: Tuesday 20th of November 2012 12:11:53 AM
Last Edited Or Replied at :Sunday 25th of November 2012 11:56:10 PM
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e electromagnets.

WORKING PRINCIPLE

Electromagnets produce magnetic field from supplied current
Change of magnetic flux (with time) induces eddy currents in conductor (disc)
Eddy Currents produce another magnetic field opposing first field
Opposing magnetic fields create force that reduces velocity

Components

Electromagnets
Cast Iron Core
Conducting (Copper) Wire
Mounting bolts
Disc
Mild steel
Machined from plates
It consists of two members, a stationary magnetic field system and a solid rotary member, generally of mild steel, which is sometimes referred..................==> [ Click Here to Read More ]



Page Name: Explain eddy current tachometer with suitable sketch ppt


Posted by: project source code cheker
Created at: Tuesday 14th of August 2012 12:46:40 AM
Last Edited Or Replied at :Tuesday 14th of August 2012 12:46:40 AM
eddy current tachometer ppt, eddy current type tachometer , electrical tachometer ppt, sketch and explain eddy current tachometer , explain working of eddy current tachometer, eddy current ppt , ppt on eddy current drag cup tachometer, tachometer device ppt , drag cup tachometer ppt, eddy current tachometer pdf , images of eddy current or drag type tachometer, eddy current generation type tachometers , explain eddy current, eddy current sketch , eddy current tachometer working and sketch, suitable sketch , powerpoint presentation on eddy current tachometer, eddy current tachometer , eddy current seminar ppt, tachometer calibration ppt , pdf about eddy current tachometer,
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pindle is attached to the aluminium cup to which a pointer is fixed as shown in figure
• A hairspring is fixed to the spindle, which provides necessary controlling torque
• At no revolutions it positions the pointer at zero on the calibrated scale
• As the magnet rotates within the aluminium cup alongwith the shaft of the machine eddy currents are induced in the cup which result in a torque or drag that tends to turn the cup against the spring
• The deflection of the cup is proportional to the induced emf, which in turn is proportional to the speed of the shaft
• The deflection ..................==> [ Click Here to Read More ]



Page Name: eddy current testing


Posted by: lucinajoe
Created at: Tuesday 20th of July 2010 04:41:01 AM
Last Edited Or Replied at :Tuesday 20th of July 2010 05:01:40 AM
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f greater background variations.

While conductivity and permeability are properties of the test material that are outside of the operator's control, the test frequency, coil type, and coil size can be chosen based on test requirements. In a given test, resolution will be determined by the probe type while detection capability will be controlled by material and equipment characteristics. Some inspections involve sweeping through multiple frequencies to optimize results, or inspection with multiple probes to obtain the best resolution and penetration required to detect all possible flaws. It..................==> [ Click Here to Read More ]



Page Name: eddy current brake full report


Posted by: best project report maker
Created at: Saturday 20th of February 2010 11:52:06 PM
Last Edited Or Replied at :Sunday 25th of November 2012 11:56:30 PM
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b the magnetic field in such a way that the magnetic force is diverted to the opposite of the direction of the movement.
The braking energy of the vehicle is converted in eddy current losses which lead to a warming of the rail.


Circular eddy current brakes

When electromagnets are used, control of the braking action is made possible by varying the strength of the magnetic field.
A braking force is possible when electric current is passed through the electromagnets. The movement of the metal through the magnetic field of the electromagnets creates eddy..................==> [ Click Here to Read More ]



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