Browse Publications Technical Papers 2019-01-1921

Ice-Crystal Icing Accretion Studies at the NASA Propulsion Systems Laboratory 2019-01-1921

This paper describes an ice-crystal icing experiment conducted at the NASA Propulsion System Laboratory during June 2018. This test produced ice shape data on an airfoil for different test conditions similar to those inside the compressor region of a turbo-fan jet engine. Mixed-phase icing conditions were generated by partially freezing out a water spray using the relative humidity of flow as the primary parameter to control freeze out. The paper presents the ice shape data and associated conditions which include pressure, velocity, temperature, humidity, total water content, melt ratio, and particle size distribution. The test featured a new instrument traversing system which allowed surveys of the flow and cloud. The paper is a rough draft but includes all major sections and some data to allow the reviewer to assess its relevance for the conference.


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