Project Title:

Surface Roughness Features Formulation for Aircraft Icing

03.01-8581
910250
Surface Roughness Features Formulation for Aircraft Icing
Remtech, Inc.
3304 Westmill Drive
Huntsville
AL
35805
Robert D.
Kirchner
205-536-8581
LeRC
NAS3-26322
027

03.01-8581
910250

Abstract:

Surface Roughness Features Formulation for Aircraft Icing
A theoretical model will be devised to define icing surface roughness features in
detail. The establishment of such a roughness model is crucial to the development
of all future ice accretion models and ice scaling laws, and it is vital in efforts
to gain a full understanding of the ice accretion process. The model will be derived
from an analysis of physical mechanisms that govern the icing process, and it will
define the texture of accreting ices in terms of the size, shape, and surface density
of individual roughness elements that form during icing processes. One goal of this
project is to provide the aviation industry with a tool that can be used to model
the effects of roughness in surface heat transfer studies. Another is to help define
the aerodynamic penalties associated with icing processes and so serve as an indispensable
key in the development of all future ice accretion models and ice scaling laws.
This project will provide a significant advancement in efforts to develop ice accretion
models and ice scaling laws that can be used to establish the extent, growth rate,
and effects of icing processes on aircraft surfaces in all icing conditions.
icing roughness features, ice accretion processes