Fredrik Ljunggren
Fredrik Ljunggren

Fredrik Ljunggren

Associate Professor
Luleå University of Technology
Engineering Acoustics
Operation, Maintenance and Acoustics
Department of Civil, Environmental and Natural Resources Engineering
Fredrik.Ljunggren@ltu.se
+46 (0)920 491286
F709 Luleå

Publications

Article in journal

Airborne sound insulation between dwellings, from 50 vs. 100 Hz (2018)

a compilation of Swedish field surveys
Ljunggren. F, Simmons. C
Applied Acoustics, ISSN: 0003-682x, Vol. 133, s. 58-63
Article in journal

Variations in sound insulation from 20 Hz in lightweight dwellings (2018)

Öqvist. R, Ljunggren. F
Noise Control Engineering Journal, ISSN: 0736-2501, Vol. 66, nr. 1, s. 56-65
Article in journal

Walking sound annoyance vs. impact sound insulation from 20 Hz (2018)

Öqvist. R, Ljunggren. F, Johnsson. R
Applied Acoustics, ISSN: 0003-682X, Vol. 135, s. 1-7
Article in journal

Correlation between sound insulation and occupants’ perception (2017)

Proposal of alternative single number rating of impact sound, part II
Ljunggren. F, Simmons. C, Öqvist. R
Applied Acoustics, ISSN: 0003-682x, Vol. 123, s. 143-151
Conference paper

Evaluation of impact sound insulation from 20 Hz (2017)

Ljunggren. F, Simmons. C, Öqvist. R
Paper presented at : 24th International Congress on Sound and Vibration, London, 23-24 July, 2017