Characterization of Polymer-Coated MEMS Humidity Sensors for Flight Applications

By: Administration (Nasa), National Aeronaut

Under NASA's Aviation Safety Program (AvSP), in addition to wind velocity and temperature, water vapor is considered one key factor in determining aviation weather, which is a substantial contributor to many general aviation (GA) accidents. The conventional and reliable humidity measuring methods such as radiation reflection or absorption have relatively high cost in addition to highly specialized operating and maintenance characteristics. This paper presents characterizations of inexpensive MEMS and capacitance type humidity sensors for their potential use on aircraft. If installed, these sensors are subjected to ambient environmental conditions as well as to different chemicals and deicing fluids used on aircraft. This paper reports the effect of different deicing fluids and chemicals on these inexpensive humidity sensors. Shams, Qamar A. and Burkett, Cecil G., Jr. and Daniels, Taumi S. and Tsoucalas, George and Comeaux, Toby and Sealey, Bradley S. and Fox, Melanie L. Langley Research Center NASA/TP-2005-213770, L-19142 WU 23-781-40-10 GENERAL AVIATION AIRCRAFT; HUMIDITY; MICROELECTROMECHANICAL SYSTEMS; WATER VAPOR; MEASURING INSTRUMENTS; AIRCRAFT SAFETY; LOW COST; DEICING

• Format: Paperback
• Language: English
• ISBN: B08F6TXV1S
• ISBN13: 9798672700113
• Release Date: January 1
• Publisher: Independently Published
• Length: 34 Pages
• Weight: 0.23 lbs.
• Dimensions: 0.1" x 8.5" x 11.0"