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Viser treff 1-27 av 27

2017
1 Vigran, Tor E.; Davy, John Laurence.
Sound transmission via structural connections in cavity walls. INTER-NOISE 2017 conference; 2017-08-27 - 2017-08-30
NTNU Untitled
 
2016
2 Vigran, Tor E.; Haugen, Torgeir.
Silencers for Circular Ducts-Application of Plates with Micro-Slits. Acta Acustica united with Acustica 2016 ;Volum 102.(3) s. 566-577
NTNU Untitled
 
2015
3 Vigran, Tor E.; Haugen, Torgeir.
Circular duct silencers using duct walls with micro-slits. I: Proceedings of 44th International Congress on Noise Control Engineering (Internoise 2015) Implementing Noise Control Technology, San Francisco, USA, August 9-12, 2015. Curran Associates, Inc. 2015 ISBN 9781510810822. s. 4137-4144
NTNU Untitled
 
2014
4 Vigran, Tor E..
The acoustic properties of panels with rectangular apertures. Journal of the Acoustical Society of America 2014 ;Volum 135.(5) s. 2777-2784
NTNU Untitled
 
5 Vigran, Tor E..
Transmisson loss of rectangular silencers using meso-porous and micro-perforated linings. I: Proceedings of the Forum Acusticum 2014, Krakow, 7-12 September, 2014,. European Acoustics Association (EAA) 2014 s. -
NTNU Untitled
 
2012
6 Vigran, Tor E..
Normal incidence sound transmission loss in impedance tube - Measurement and prediction methods using perforated plates. Applied Acoustics 2012 ;Volum 73.(4) s. 454-459
NTNU Untitled
 
2010
7 Groby, J.-P; Lauriks, W; Vigran, Tor E..
Total absorption peak by use of a rigid frame porous layer backed by a rigid multi-irregularities grating. Journal of the Acoustical Society of America 2010 ;Volum 127.(5) s. 2865-2874
NTNU Untitled
 
8 Vigran, Tor E..
Predicting the sound insulation of building elements - A model based on a transfer matrix scheme with some add-ons. Baltic-Nordic Acoustics Meeting 2010 (BNAM2010); 2010-05-10 - 2010-05-12
NTNU Untitled
 
9 Vigran, Tor E..
Predicting the sound insulation of building elements – A model based on a transfer matrix scheme with some add-ons. I: Proceedings of the Baltic-Nordic Acoustics Meeting, Bergen. Oslo: SINTEF Byggforsk 2010 ISBN 978-82-536-1149-5.
NTNU Untitled
 
10 Vigran, Tor E..
Sound insulation of double-leaf walls - Allowing for studs of finite stiffness in a transfer matrix scheme. Applied Acoustics 2010 ;Volum 71.(7) s. 616-621
NTNU Untitled
 
11 Vigran, Tor E..
Sound transmission in multilayered structures - Introducing finite structural connections in the transfer matrix method. Applied Acoustics 2010 ;Volum 71.(1) s. 39-44
NTNU Untitled
 
2009
12 Vigran, Tor E..
Predicting the sound reduction index of finite size specimen by a simplified spatial windowing technique. Journal of Sound and Vibration 2009 ;Volum 325.(3) s. 507-512
NTNU Untitled
 
2008
13 Vigran, Tor E..
Building Acoustics. Taylor & Francis 2008 (ISBN 978-0-415-42853-8) 382 s.
NTNU Untitled
 
2005
14 Vigran, Tor E.; Pettersen, Odd Kr..
The absorption of slotted panels revisited. I: Proceedings of Forum Acusticum 2005. Budapest, Ungarn: OPAKFI Tudomanyos Egyesulet 2005 ISBN 9638241683. s. -
NTNU Untitled
 
15 Vigran, Tor E.; Pettersen, Odd Kr..
The absorption of slotted panels revisited. Forum Acusticum 2005; 2005-08-29 - 2005-09-02
NTNU Untitled
 
2004
16 Vigran, Tor E..
Conical Apertures in Panels; Sound Transmission and Enhanced Absorption in Resonator Systems. Acta Acustica united with Acustica 2004 ;Volum 90.(6) s. 1170-1177
NTNU Untitled
 
17 Vigran, Tor E..
Conical apertures in panels;sound transmission and enhanced absorption in resonator systems. Internoise 2004; 2004-08-22 - 2004-08-25
NTNU Untitled
 
2001
18 Dutilleux, Guillaume; Vigran, Tor E.; Kristiansen, Ulf R.
An in situ transfer function technique for the assessment of the acoustic absorption of materials in buildings. Applied Acoustics 2001 ;Volum 62.(5) s. 555-572
NTNU Untitled
 
1999
19 Randeberg, Rolf Tore; Kristiansen, Ulf R; Vigran, Tor E..
A Helmholtz Resonator with Elongated Orifice. Forum Acusticum 1999; 1999-03-14 - 1999-03-19
NTNU Untitled
 
1998
20 Dutilleux, Guillaume; Kristiansen, Ulf R; Vigran, Tor E..
In situ absorption measurements using a transfer function technique and MLS. 16th International Congress on Acoustics/ 135th Meeting Acousti cal Society of America (ICA/ASA -98); 1998-07-01
NTNU Untitled
 
21 Storeheier, Svein Ådne; Vigran, Tor E..
Acoustic impedance models applied to ground surfaces. Internoise 98; 1998-11-16 - 1998-11-18
NTNU SINTEF Untitled
 
1997
22 Vigran, Tor E.; Kelders, L.; Lauriks, W.; Dhainaut, Marc; Johansen, T.F..
Forced response of a sandwich plate with a flexible core described by a biot-model. Inter-Noise 97; 1997
NTNU Untitled
 
23 Vigran, Tor E.; Kelders, L.; Lauriks, W.; Dhainaut, Marcel; Johansen, T.F.
Forced response of a sandwich plate with a flexible core described by a biot-model. Acustica 1997 ;Volum 83. s. 1024-1031
NTNU Untitled
 
24 Vigran, Tor E.; Kelders, L.; Lauriks, W.; Leclaire, P.; Johansen, T.F..
Prediction and measurements of the influence of boundary conditions in a standing wave tube. Acta Acustica united with Acustica 1997 ;Volum 83. s. 419-423
NTNU Untitled
 
25 Pettersen, Odd Kr.; Olsen, Herold; Vigran, Tor E..
On spatial sampling using the scanning intensity technique. Applied Acoustics 1997 ;Volum 50.(2) s. 141-153
NTNU SINTEF Untitled
 
1995
26 Lundeby, Anders; Vigran, Tor Erik; Bietz, H.; Vaage, Sveinung; Vorl@ænder, M.; Haukenes, G.; Svardal, A.; Ueland, P. M.; Newman, Mike; Bøe, Lidveig; Heggen, Kåre; Madssen, Kjell-Arild.
Uncertainties of measurements in room acoustics. NGU-rapport 1995 ;Volum 81.(7) s. 344-355
NORD NTNU UiB HVO MF Untitled
 
1985
27 Aas, Einar Johan; Vigran, Tor E..
Skrikende behov for elektronikkingeniører. Teknisk Ukeblad 1985 (2) s. 17-17
NTNU Untitled