Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Feat/noise prediction #532

Draft
wants to merge 5 commits into
base: olusanya
Choose a base branch
from
Draft

Feat/noise prediction #532

wants to merge 5 commits into from

Conversation

s-hiitola
Copy link
Collaborator

@s-hiitola s-hiitola commented Jul 4, 2023

This should not be merged into this version of Helmet.
Updated noise calculation method based on the last update on the Nordic noise prediction method, as described in

https://books.googleusercontent.com/books/content?req=AKW5Qaen8XuI4Zzpi1yL840L0unyqTZfBK2-PBLlgS6UJwZpF7uCljYSA8sFP9-pFDwwYLEpPUmY5IOI59S8diml4cVcNUP_z-yANVY9sTdWdB09ITLJZxl518twmqELqP2a8VWIK8u-hHKK_bbpB8axGQFOZ65OUXXDroPlgrcvWr62f9gj6MIa9x8tNC5ceOpQQrXJnb-0ER0JOR9BLKIQxD300-Rtjk9Z6fzJF0-ACc38cQU-SR9EQYsZlMsD9HsiZt5N6Vqmju3kG5auHksVI8z3DhygIg

pp. 98 - 99

Compared to the currently used method, the areas affected by noise are greatly reduced. The last update included reflections from vertical surfaces, which may make up for the difference when doing actual noise assessments. However, since our model is only a noise emission model with atmospheric attenuation, reflections are not taken into account.

Comment on lines 434 to 436
if speed >= 40:
LAE_light = 73.5 + 25*log10(speed/50)
LAE_heavy = 80.5
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

❗ This is not an elif clause, so it will always override the previous if.

@hsl-petrhaj hsl-petrhaj added this to the v5.0 milestone Sep 29, 2023
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants