1. Traffic noises: measuring and simulation Baár-Madas Secondary School, Budapest, Hungary

2. General overview – we’ve already done… Spectral analysis of noise generated by traffic Testing the noise abatement capabilities of different materials Making noise map (in space and time) of a major traffic junction Find the noise-overload of this area

3. General overview – we’ve already done… Spectral analysis of noise generated by traffic Testing the noise abatement capabilities of different materials Making noise map (in space and time) of a major traffic junction Find the noise-overload of this area

4. Spectrum of a vehicle frequency [Hz] intensity bus higher intensity at low, lower intensity at high freq. components

5. Spectral noise abatement of a window frequency [Hz] intensity without abatement with abatement

6. Spectral noise abatement of a window frequency [Hz] intensity effective reducing at high frequencies poor reducing at low,

7. General overview – we’ve already done… Spectral analysis of noise generated by traffic Testing the noise abatement capabilities of different materials Making noise map (in space and time) of a major traffic junction Find the noise-overload of this area

8. Noise map of Moszkva-tér

9. Time evolution of the noise-intensity Ide jön az animáció!

10. Our current investigations I Noise analysis of Ferihegy Terminal I Measuring the noise load near Ferihegy Comparing the results to the national regulation Computing the noise load generated by a plane Simulate the results Differences between the Noise Report of Ferihegy and our measuring and simulation

11. Measuring the noise load near Ferihegy Comparing the results to the national regulation Computing the noise load generated by a plane Simulate the results Differences between the Noise Report of Ferihegy and our measuring and simulation Our current investigations I Noise analysis of Ferihegy Terminal I

12. Ferihegy International Airport – Terminal I.

13. Problems with noise-limit regulations Measuring points 12 3

14. Problems with noise-limit regulations Time average Daytime limit 6-22 h projecting peaks! Time average < Daytime limit

15. 1. 2. 3.

16. Problems with noise-limit regulations Projecting peaks Time average < Daytime limit in line with the regulations

17. Measuring the noise load near Ferihegy Comparing the results to the national regulation Computing the noise load generated by a plane Simulate the results Differences between the Noise Report of Ferihegy and our measuring and simulation Our current investigations I Noise analysis of Ferihegy Terminal I

18. Computing the noise load generated by a plane z α: pressure attenuation constant z: measured noise level from distance m h: height of the plane x: distance from the projection point L: noise intensity in a given point µ: linear absorption capacity of air

19. The final approach of a plain Approach procedure to be followed Daytime Nighttime

20. Results of the simulations Gyuri progamja!

21. The noise map of the area of Ferihegy

22. Computing the decrease of the noise level Simulate the results, making noise maps Comparing the results to the national regulations Our current investigations II Highway noise measuring

23. Noise map of a highway