ITS is active in Research and Development in acoustics, with many contents produced by ITS human ressource.

  • Report PhR09-000  Comparisons between measurements and predictions of the properties of dry air in terms of thermodynamics and fluid dynamics (2009)
  • Report PhR08-005  Review of the computation scheme of dissipative silencers (2008)
  • Report PhR16-006  Acoustic development program for ITS: aperiodic report of the implementation (2016)
  • Report PhR08-007  Comparisons between measurements and prediction with a 5-parameters model for the COmputation of Acoustic Layers (2008)
  • Report PhR16-008  User’s manual for the software SILDIS (2016)
  • Report PhR08-009  Overview of the properties of some materials in the context of the design of sound proofing equipments involving porous media (2008)
  • Report PhR14-011  Acoustic and aeraulic design of dissipative silencers: the status of the Art (2014)
  • Report PhR14-012  Comparisons between measurements and predictions of the transmission loss of a single-leaf (plane) partition consisting of a monolithic, isotropic plate (and related considerations) (2014)
  • Report PhR16-013  Sound Impact Limitation Design for Industrialized Solutions: a single Excel based software for a wide range of applications (presentation brochure for the software SILDIS) (2016)
  • Report PhR08-014  Procedure for the use of Excel based programs with a restricted access (2008)
  • Report PhRxx-015  Collection of soundproofing constructions systems: a companion to “User’s manual for the software SILDIS” (20xx)
  • Report PhR16-016  Comparisons between measurements and predictions of the sound absorption of a multilayered (plane) acoustic structure (2016)
  • Report PhR09-017  Comparisons between measurements and predictions of the sound transmission of a single-leaf (plane) partition consisting of a porous medium (2009)
  • Report PhR09-018  Comparisons between measurements and predictions of the sound transmission of a single-leaf (plane) partition consisting of a monolithic, orthotropic plate (2009)
  • Report PhR09-020  Comparisons between measurements and predictions of the sound transmission of  a (plane) partition consisting of a monolithic, isotropic plate covered by a porous medium (2009)
  • Report PhR09-023  Acoustic design of plane partitions: the status of the Art (2009)
  • Report PhR09-024  Comparisons between measurements and predictions of the sound transmission of a double-leaf (plane) partition consisting of 2 monolithic, isotropic plates (2009)
  • Report PhR09-025  Comparisons between measurements and predictions of the sound transmission of a double-leaf (plane) partition consisting of 1 monolithic, isotropic plate and 1 monolithic, orthotropic plate (2009)
  • Report PhR09-026  Comparisons between measurements and predictions of the sound transmission of a triple-leaf (plane) partition consisting of (3) monolithic, isotropic plates (2009)
  • Report PhR09-027  Comparisons between measurements and predictions of the sound transmission of a (plane) plate with an extensional damping (2009)
  • Report PhR09-030  Sécurisation du programme de calcul SILDIS  (2009)
  • Report PhR15-031  Comparisons between measurements and prediction of the acoustic performance of rectangular dissipative silencers. Part 1: propagation loss with or without flow (2015)
  • Report PhR09-032  Comparisons between measurements and predictions of the acoustic performance of rectangular dissipative silencers. Part 2: bypass correction (2009)
  • Report PhR09-033  Comparisons between measurements and predictions of the acoustic performance of rectangular dissipative silencers. Part 3: reflection loss (2009)
  • Report PhR09-034  Comparisons between measurements and predictions of the acoustic performance of rectangular dissipative silencers. Part 4: insertion loss without self noise (2009)
  • Report PhR09-035  Comparisons between measurements and predictions of the acoustic performance of rectangular dissipative silencers. Part 5: self noise (2009)
  • Report PhR13-037  Comparisons between measurements and predictions of the aeraulic performance of rectangular dissipative silencers.  (2013)
  • Report PhR13-041  Comparisons between measurements and prediction of the acoustic performance of square dissipative silencers. Part 1: propagation loss with or without flow (2013)
  • Report PhR09-047  Comparisons between measurements and predictions of the aeraulic performance of square dissipative silencers. (2009)
  • Report PhR09-051  Comparisons between measurements and prediction of the acoustic performance of round dissipative silencers. Part 1: propagation loss with or without flow (2009)
  • Report PhR09-055  Comparisons between measurements and predictions of the acoustic performance of round dissipative silencers. Part 5: self noise (2009)
  • Report PhR09-057  Comparisons between measurements and predictions of the aeraulic performance of round dissipative silencers. (2009)
  • Report PhR16-061  Comparisons between measurements and prediction of the acoustic performance of round dissipative silencers with a central pod. Part 1: propagation loss with or without flow (2016)
  • Report PhR17-065  Comparisons between measurements and prediction of the acoustic performance of round dissipative silencers with a central pod. Part 5: self noise (2017)
  • Report PhR17-067  Comparisons between measurements and predictions of the aeraulic performance of round dissipative silencers with a central pod (2017)
  • Report PhR09-071  Comparisons between measurements and prediction of the acoustic performance of resonant silencers made of Pine Tree splitters with a rear lining. Part 1: propagation loss with or without flow (2009)
  • Report PhR09-075  Comparisons between measurements and prediction of the acoustic performance of resonant silencers made of Pine Tree splitters with a rear lining. Part 5: self noise (2009)
  • Report PhR09-081  Comparisons between measurements and prediction of the acoustic performance of resonant silencers made of Pine Tree splitters with a lateral lining. Part 1: propagation loss with or without flow (2009)
  • Report PhR10-085  Comparisons between measurements and prediction of the acoustic performance of resonant silencers made of Pine Tree splitters with a lateral lining. Part 5: self noise (2010)
  • Report PhR13-090  Comparisons between measurements and predictions of the acoustic performance of rectangular duct wall. Part 1: break-out sound transmission loss (2013)
  • Report PhR11-091  Comparisons between measurements and predictions of the acoustic performance of circular duct wall.Part 1: break-out sound transmission loss (2011)
  • Report PhR13-094  Comparisons between measurements and predictions of the acoustic performance of round bends. Part 1: insertion loss without self noise (2013)
  • Report PhR13-095  Comparisons between measurements and predictions of the acoustic performance of round bends. Part 2: self noise (2013)
  • Report PhR13-096  Comparisons between measurements and predictions of the acoustic performance of round bends. Part 3: insertion loss with self noise (2013)
  • Report PhRxx-100  Comparisons between measurements and predictions of the acoustic performance of rectangular ducts wall. Part 2: sound power level radiated by (duct) wall (20xx)
  • Report PhRxx-101  Comparisons between measurements and predictions of the acoustic performance of circular ducts wall. Part 2: sound power level radiated by (duct) wall (20xx)
  • Report PhR15-104  Comparisons between measurements and predictions of the spatial decay of speech in open-plan offices (2015)
  • Report PhR15-105  Comparisons between measurements and predictions of the sound spatial decay in industrial spaces (2015)
  • Report PhR15-107  Comparisons between measurements and predictions of exhaust ducts directivity  (2015)
  • Report PhR15-108  Comparisons between measurements and predictions of sound attenuation during propagation in air (2015)
  • Report PhR16-111  Comparisons between measurements and predictions of control valves aerodynamic noise.Part 1: flow indicators (2016)
  • Report PhR16-112  Comparisons between measurements and predictions of control valves aerodynamic noise. Part 2: noise level (2016)
  • Report PhR13-115  Comparisons between measurements and predictions of the acoustic performance of rectangular bends. Part 2: self noise (2013)
  • Report PhR16-117  Comparisons between measurements and predictions of control valves aerodynamic noise  (2016)
  • Report PhRxx-121  Comparisons between measurements and prediction of the acoustic performance of conventional splitter silencers versus silencers with discontinued splitters. Part 1: propagation loss with or without flow (20xx)
  • Report PhRxx-122  Comparisons between measurements and prediction of the acoustic performance of conventional splitter silencers versus silencers with discontinued splitters. Part 2: bypass correction (20xx)
  • Report PhRxx-123  Comparisons between measurements and prediction of the acoustic performance of conventional splitter silencers versus silencers with discontinued splitters. Part 3: reflection loss (20xx)
  • Report PhRxx-124  Comparisons between measurements and prediction of the acoustic performance of conventional splitter silencers versus silencers with discontinued splitters. Part 4: insertion loss without self noise (20xx)
  • Report PhRxx-125  Comparisons between measurements and prediction of the acoustic performance of conventional splitter silencers versus silencers with discontinued splitters. Part 5: self noise (20xx)
  • Report PhR16-131  Comparisons between measurements and prediction of the acoustic performance of rectangular dissipative silencers with discontinued splitters. Part 1: propagation loss with or without flow (2016)
  • Report PhRxx-132  Comparisons between measurements and predictions of the acoustic performance of rectangular dissipative silencers with discontinued splitters. Part 2: bypass correction (20xx)
  • Report PhRxx-133  Comparisons between measurements and predictions of the acoustic performance of rectangular dissipative silencers with discontinued splitters. Part 3: reflection loss (20xx)
  • Report PhRxx-134  Comparisons between measurements and predictions of the acoustic performance of rectangular dissipative silencers with discontinued splitters. Part 4: insertion loss without self noise (20xx)
  • Report PhR15-135  Comparisons between measurements and predictions of the acoustic performance of rectangular dissipative silencers with discontinued splitters. Part 5: self noise (2015)
  • Report PhR15-137  Comparisons between measurements and prediction of the aerodynamic performance of rectangular dissipative silencers with discontinued splitters (2015)
  • Report PhR16-139  On the comparison of the performance of silencers with continuous and discontinuous splitters: 2 case studies with the software SILDIS (2016)
  • Report PhR13-141  Comparisons between measurements and predictions of the acoustic performance of straight round ducts. Part 1: insertion loss without self noise (2013)
  • Report PhR13-142  Comparisons between measurements and predictions of the acoustic performance of straight round ducts. Part 2: self noise (2013)
  • Report PhR13-143  Comparisons between measurements and predictions of the acoustic performance of straight round ducts. Part 3: insertion loss with self noise (2013)
  • Report PhR13-151  Comparisons between measurements and predictions of the acoustic performance of straight rectangular ducts. Part 1: insertion loss without self noise (2013)
  • Report PhR13-152  Comparisons between measurements and predictions of the acoustic performance of straight rectangular ducts. Part 2: self noise (2013)
  • Report PhR13-153  Comparisons between measurements and predictions of the acoustic performance of straight rectangular ducts. Part 3: insertion loss with self noise (2013)
  • Report PhR13-161  Comparisons between measurements and predictions of nozzle reflection (2013)
  • Report PhR14-171  Comparisons between measurements and predictions of sound decay in enclosed spaces. Part 1: temporal sound decay after noise-off (2014)
  • Report PhR14-172  Comparisons between measurements and predictions of sound decay in enclosed spaces. Part 2: reverberation time (2014)
  • Report PhR17-173  Comparisons between measurements and predictions of sound decay in enclosed spaces. Part 3: spatial sound decay (2017)
  • Report PhR16-181  Comparisons between measurements and prediction of jet noise. Part 1: turbulence noise. Sub-part 1: acoustic efficiency (2016)
  • Report PhR16-182  Comparisons between measurements and prediction of jet noise. Part 1: turbulence noise. Sub-part 2: sound power  (2016)
  • Report PhR16-184  Comparisons between measurements and prediction of jet noise. Part 1: turbulence noise. Sub-part 4: spectrum (2016)
  • Report PhR16-191  Comparisons between measurements and prediction of jet noise. Part 2: chocked jet noise. Sub-part 1: acoustic efficiency (2016)
  • Report PhR16-192  Comparisons between measurements and prediction of jet noise. Part 2: chocked jet noise. Sub-part 2: sound power  (2016)
  • Report PhR16-193  Comparisons between measurements and prediction of jet noise. Part 2: chocked jet noise. Sub-part 3: peak frequency (2016)
  • Report PhR16-194  Comparisons between measurements and prediction of jet noise. Part 2: chocked jet noise. Sub-part 4: spectrum (2016)
  • Report PhR16-202  Comparisons between measurements and prediction of jet noise. Part 3: undefined jet noise. Sub-part 2: sound power  (2016)
  • Report PhR16-204  Comparisons between measurements and prediction of jet noise. Part 3: undefined jet noise. Sub-part 4: spectrum (2016)
  • Report PhRxx-211  Comparisons between measurements and prediction of jet noise. Part 1: spectrum of turbulence noise (20xx)
  • Report PhRxx-212  Comparisons between measurements and prediction of jet noise. Part 2: spectrum of shock noise (20xx)
  • Report PhRxx-213  Comparisons between measurements and prediction of jet noise. Part 3: power of unspecified noise (20xx)
  • Report PhR16-221  Comparisons between measurements and predictions of safety valves noise (emissions). Part 1: flow indicators (2016)
  • Report PhR16-222  Comparisons between measurements and predictions of safety valves noise (emissions). Part 2: noise level (2016)
  • Report PhR16-230  Comparisons between measurements and predictions of piping systems flow indicators (2016)
  • Report PhR17-241  Comparisons between measurements and prediction of the acoustic performance of simple expansion chamber muffers without extended tubes. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-242  Comparisons between measurements and prediction of the acoustic performance of simple expansion chamber muffers without extended tubes. Part 1: insertion loss with or without flow (2017)
  • Report PhR17-251  Comparisons between measurements and prediction of the acoustic performance of simple expansion chamber muffers with inlet extended tube. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-261  Comparisons between measurements and prediction of the acoustic performance of simple expansion chamber muffers with outlet extended tube. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-271  Comparisons between measurements and prediction of the acoustic performance of simple expansion chamber muffers with inlet & outlet extended tubes. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-281  Comparisons between measurements and prediction of the acoustic performance of double expansion chamber muffers without extended tubes. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-291  Comparisons between measurements and prediction of the acoustic performance of double expansion chamber muffers with inlet extended tube. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-301  Comparisons between measurements and prediction of the acoustic performance of double expansion chamber muffers with outlet extended tube. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-311  Comparisons between measurements and prediction of the acoustic performance of double expansion chamber muffers with inlet & outlet extended tubes. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-321  Comparisons between measurements and prediction of the acoustic radiation of a termination being open & unflanged. Part 1: end correction (2017)
  • Report PhR17-322  Comparisons between measurements and prediction of the acoustic radiation of a termination being open & unflanged. Part 2: reflection coefficient (2017)
  • Report PhR17-323  Comparisons between measurements and prediction of the acoustic radiation of a termination being open & unflanged. Part 3: radiation impedance (2017)
  • Report PhR17-331  Comparisons between measurements and prediction of the acoustic radiation of a termination being open & flanged. Part 1: end correction (2017)
  • Report PhR17-332  Comparisons between measurements and prediction of the acoustic radiation of a termination being open & flanged. Part 2: reflection coefficient (2017)
  • Report PhR17-333  Comparisons between measurements and prediction of the acoustic radiation of a termination being open & flanged. Part 3: radiation impedance (2017)
  • Report PhR17-341  Comparisons between measurements and prediction of the acoustic radiation of a termination being connected & coaxial. Part 1: end correction (2017)
  • Report PhR17-351  Comparisons between measurements and prediction of the acoustic radiation of a termination being connected & staggered. Part 1: end correction (2017)
  • Report PhR17-381  Comparisons between measurements and prediction of the acoustic performance of triple expansion chamber muffers without extended tubes. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-391  Comparisons between measurements and prediction of the acoustic performance of triple expansion chamber muffers with inlet extended tube. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-401  Comparisons between measurements and prediction of the acoustic performance of triple expansion chamber muffers with outlet extended tube. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-411  Comparisons between measurements and prediction of the acoustic performance of triple expansion chamber muffers with inlet & outlet extended tubes. Part 1: transmission loss with or without flow (2017)
  • Report PhR17-421  Comparisons between measurements and prediction of the acoustic performance of simple expansion chamber muffers with overlapping tubes. Part 1: transmission loss with or without flow (2017)