Results 91 to 100 of about 1,377,424 (247)

Acoustic guide for noise-transmission testing of aircraft [PDF]

, 1987
Selective testing of aircraft or other vehicular components without requiring disassembly of the vehicle or components was accomplished by using a portable guide apparatus.
Vaicaitis, Rimas
core   +1 more source

Airborne sound insulation of new composite wall structures

MATEC Web of Conferences, 2018
Protection against noise is one of the essential requirements of the European Construction Product directive. In buildings, airborne sound insulation is used to define the acoustical quality between rooms. In order to develop wall structures with optimal
Ivanova Yonka, Partalin Todor, Lakov Luben, Jivov Bojidar   +3 more
doaj   +1 more source

Effect of sound insulation on noise reduction in an agricultural tractor cab. [PDF]

Sci Rep, 2022
Han HW, Im WH, Choi HJ, Cho SJ, Lee SD, Park YJ.   +5 more
europepmc   +1 more source

Retracted: Impact Sound Insulation Performance Testing of Nano-Inorganic Composite Floor Slabs for Green Buildings. [PDF]

Int J Anal Chem, 2023
Chemistry IJOA.
europepmc   +1 more source

Some considerations about the contribution of roller shutters positions to noise insulation of façades [PDF]

, 2004
This paper describes an experimental study on the evaluation of the influence of roller shutters positions on noise insulation of façades. The study is based on the results of a set of tests carried out in laboratory, and in situ using the 1st, 2nd, 3rd ...
Bragança, L., Patrício, Jorge
core  

Implementarea programului naţional de reabilitare termică a locuinţelor. avantaje şi dezavantaje [PDF]

, 2010
Thermal rehabilitation of collective housing blocks represent a national priority. The cause is the low level of thermal insulation which results in higher energy consumption.
Daniel-Gabriel Vâlceanu
core  

Damping contribution of viscoelastic core on airborne sound insulation performance of finite constrained layer damping panels at low and middle frequencies. [PDF]

Sci Rep, 2023
Wang B, Min H.
europepmc   +1 more source

Method and device for detecting voids in low density material Patent [PDF]

, 1971
Method and photodetector device for locating abnormal voids in low density ...
Howard, W. D., Vukelich, E. K.
core   +1 more source

Development of a vibration-damping, sound-insulating, and heat-insulating porous sphere foam system and its application in green buildings

Scientific Reports
With the development of green buildings, people pay more attention to the quality of the indoor sound environment. The air sound insulation performance of floors and exterior walls plays a key role in today's green buildings.
Shi Hua, Moses Oyaro Okello, Jian Zhang
doaj   +1 more source

Sound Insulation Performance of Furfuryl Alcohol-Modified Poplar Veneer Used in Functional Plywood. [PDF]

Materials (Basel), 2022
Wu S, Xu W.
europepmc   +1 more source