Development of composite panels based on porous glass aerogels for acoustic applications
The research team from Institute Of Development And Application For Sound Materials (DASM) at Hanoi Architectural University, in collaboration with Le Quy Don Technical University, participated in consulting and conducting acoustic property evaluation experiments for the project “Research on the technology of manufacturing porous glass beads for the production of soundproofing, sound-absorbing, and fire-resistant panels.” […]
Test for Determination of the noise emitted by a generator set driven by a reciprocating internal combustion engine
Test noise emitted from a reciprocating internal combustion engine driven alternating current generating sets: Measurement of airborne noise by the enveloping surface method provides useful information identify priority measures in noise control.
Test for Determination of the noise emitted by rotating electric machines
Test for Determination of the noise emitted by rotating electric machines provides useful information to determine priority noise control solutions, control quality during production; optimize research and development of products and materials that help reduce sound, prevent noise, absorb sound, insulate sound, etc.
Test for Measurement of Airborne Sound Attenuation between Rooms
Test for Measurement of Airborne Sound Attenuation between Rooms proactively controls noise; defines procedures and data for assessing sound isolation between two rooms or parts thereof in a building…
Test for Rating of sound insulation in buildings and of building elements –Airborne sound insulation
Test for Rating of sound insulation in buildings and of building elements –Airborne sound insulation helps simplify the development of sound code requirements; proactively control quality during the production process and optimize research and development of building elements.
Determination of sound insulation performances of enclosures – Measurements under laboratory conditions
Test for Determination of sound insulation performances of enclosures – Measurements under laboratory conditions helps determine the soundproofing effectiveness of soundproofing enclosures; meet the needs of customers who need to announce the results of materials – products which are eligible for installation, use, construction … in works and projects in a convenient and transparent way.
Test for Determination of sound insulation performances of soundproofing enclosures – In situ measurement
This standard specifies a measurement method in-situ to determine sound insulation performances (sound attenuation) of soundproofing enclosures.
Test for Rating of sound insulation in buildings and of building elements –Airborne sound insulation
Test for Rating of sound insulation in buildings and of building elements –Airborne sound insulation helps simplify the development of sound code requirements; proactively control quality during the production process and optimize research and development of building elements.
Evaluation of sound insulation in construction works and construction structures – Impact sound insulation
The Test for Evaluation of sound insulation in construction works and construction structures –provides useful information to help control quality during the production, design, construction, finishing … of all types of floors to ensure optimal soundproofing performance.
Determination of occupational noise exposure levels in public, residential and industrial areas
The test for Determination of occupational noise exposure levels in public, residential and industrial areas provides useful information to determine priority noise control solutions
