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Ice Accretion Modeling using an Eulerian Approach for Droplet Impingement
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Author and Affiliation:
Kim, Joe Woong(Georgia Inst. of Tech., School of Aerospace Engineering, Atlanta, GA, United States);
Garza, Dennis P.(Georgia Inst. of Tech., School of Aerospace Engineering, Atlanta, GA, United States);
Sankar, Lakshmi N.(Georgia Inst. of Tech., School of Aerospace Engineering, Atlanta, GA, United States);
Kreeger, Richard E.(NASA Glenn Research Center, Cleveland, OH, United States)
Abstract: A three-dimensional Eulerian analysis has been developed for modeling droplet impingement on lifting bodes. The Eulerian model solves the conservation equations of mass and momentum to obtain the droplet flow field properties on the same mesh used in CFD simulations. For complex configurations such as a full rotorcraft, the Eulerian approach is more efficient because the Lagrangian approach would require a significant amount of seeding for accurate estimates of collection efficiency. Simulations are done for various benchmark cases such as NACA0012 airfoil, MS317 airfoil and oscillating SC2110 airfoil to illustrate its use. The present results are compared with results from the Lagrangian approach used in an industry standard analysis called LEWICE.
Publication Date: Dec 20, 2012
Document ID:
20130010995
(Acquired Mar 14, 2013)
Subject Category: AIR TRANSPORTATION AND SAFETY
Report/Patent Number: E-18585, GRC-E-DAA-TN7003
Document Type: Conference Paper
Meeting Information: 51st AIAA Aerospace Sciences Meeting; 20 Dec. 2013; Grapevine, TX; United States
Contract/Grant/Task Num: W911W6-06-2-0010; WBS 380046.02.03.04.01.06
Financial Sponsor: NASA Glenn Research Center; Cleveland, OH, United States
Army Aviation Applied Technology Directorate; Fort Eustis, VA, United States
Organization Source: NASA Glenn Research Center; Cleveland, OH, United States
Description: 11p; In English; Original contains color illustrations
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution as joint owner in the copyright
NASA Terms: AIRCRAFT ICING; AIRCRAFT SAFETY; AIRFOILS; CONSERVATION EQUATIONS; EULER EQUATIONS OF MOTION; FLIGHT HAZARDS; FLOW DISTRIBUTION; IMPINGEMENT; LAGRANGIAN FUNCTION; ROTARY WING AIRCRAFT
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