10-09-2014, 05:06 AM
I need project material on the topic air flow detector
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air flow detector
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10-09-2014, 09:37 PM
To get full information or details of air flow detector please have a look on the pages
http://studentbank.in/report-mass-airflow-sensor
if you again feel trouble on air flow detector please reply in that page and ask specific fields in air flow detector
http://studentbank.in/report-mass-airflow-sensor
if you again feel trouble on air flow detector please reply in that page and ask specific fields in air flow detector
05-10-2017, 07:25 PM
Conclusion for air flow detector project
17-10-2017, 02:54 PM
This circuit may provide a visual indication of the air flow rate. It can also be used to check for airflow in a given space. The filament of an incandescent light bulb is the detection part of the circuit. When there is no air flow, the filament resistance will be low. When there is air flow, the resistance decreases because the moving air will remove some of the heat generated in the filament. These variations in resistance will cause voltage variation across the filament. These variations will be picked up by the opamp (LM339) and the brightness of the LED on its output will vary proportionally to the airflow.
Circuit diagram
![[Image: air-flow-detector_circuit.JPG]](http://www.circuitstoday.com/wp-content/uploads/2008/06/air-flow-detector_circuit.JPG)
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