The Calculation of the Heat Required for Wing Thermal Ice Prevention in Specified Icing Conditions

• Main Authors: Neel, Jr., Carr B., Bergrun, N. R., Jukoff, David, Schlaff, Bernard A.
• Other Authors: NATIONAL AERONAUTICS AND SPACE ADMINISTRATION MOFFETT FIELD CA AMES RESEARCH CENTER
• Format: Text
• Language: English
• Published: 1947
• Subjects: Snow; Ice and Permafrost; *ICE PREVENTION; HEAT; FLIGHT TESTING; AIRFOILS; ATI-8699; ATI-16149; ATI COLLECTION; Ice; permafrost
• Online Access: http://www.dtic.mil/docs/citations/ADA800584; http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA800584

Flight tests were made in natural icing conditions with two 8-ft-chord headed airfoils of different sections. Measurements of meteorological variables conducive to ice formation were made simultaneously with the procurement of airfoil thermal data. The extent of knowledge on the meteorology of icing, the impingement of water drops on airfoil surfaces, and the processes of heat transfer and evaporation from a wetted airfoil surface have been increased to a point where the design of heated wings on a fundamental, wet-air basis now can be undertaken with reasonably certainty.