isaVisc

版本 1.0.1 (1.6 KB) 作者: Marko
provides the viscosity of the ISA model.
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更新时间 2023/7/5

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This is simplifed method which calculates the viscosity nu in m^2/s.
The source for the curve fitting is https://www.engineeringtoolbox.com/international-standard-atmosphere-d_985.html
The data is fitted in three zones:
0km =< h =< 11km
11km =< h =< 20km
20km =< h <= 30km
The absolute error of the fitted functions are less than 2.5e-6, and less than 5e-3 for the rel. error.
For values of h smaller than 0m and larger than 30m the fitting function is clipped to the extreme values.
Usage:
nu = isaVisc(h);

引用格式

Marko (2024). isaVisc (https://www.mathworks.com/matlabcentral/fileexchange/131958-isavisc), MATLAB Central File Exchange. 检索时间: .

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参考作品: Standard Atmosphere Functions

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版本 已发布 发行说明
1.0.1

updated the description
1.0.0