Results 21 to 30 of about 9,214,751 (299)

Studies on the Effect of Hybridization on Sound Insulation of Coir-banana-polypropylene Hybrid Biocomposites

open access: yesJournal of Natural Fibers, 2022
Natural fiber-based hybrid composites have been explored in this study as possible structural materials. Detailed investigation of sound insulation property of a series of hybrid and nonhybrid composites has been carried out using impedance tube having ...
Vikas Kumar Singh, Samrat Mukhopadhyay
doaj   +1 more source

Moisture Accumulation and Its Impact on the Thermal Performance of Pipe Insulation for Chilled Water Pipes in High Performance Buildings [PDF]

open access: yes, 2012
Mechanical pipe insulation systems are commonly applied to cold piping surfaces in most industrial and commercial buildings in order to limit the heat losses and prevent water vapor condensation on the pipe exterior surfaces.
Cremaschi, Lorenzo   +2 more
core   +1 more source

Space charge behavior in multi-layer oil-paper insulation under different DC voltages and temperatures [PDF]

open access: yes, 2010
Oil-paper as a reliable insulation system is widely used in power transformers and cables. The dielectric properties of oil-paper insulation play an important role in the reliable operation of power equipment. However, the formation and dynamics of space
Liao, Rujin   +7 more
core   +1 more source

Preparation and Sound Insulation Performance of Superfine Metal Powder/Nitrile-Butadiene Rubber-Polyvinyl Chloride Microcellular Foaming Material

open access: yesAdvances in Polymer Technology, 2019
Lightweight sound insulation materials have received much attention. In this study, a series of superfine metal powder (SFM)/nitrile-butadiene rubber (NBR)-polyvinyl chloride (PVC) microcellular foaming materials were prepared with NBR-PVC as matrix and ...
Sheng Hu   +3 more
doaj   +1 more source

Estimating the performance of heavy impact sound insulation using empirical approaches

open access: yesJournal of Asian Architecture and Building Engineering, 2021
With an increasing demand for quieter residential environments, impact sound insulation for floating floors is gaining importance. However, existing methods for estimating the performance of heavy impact sound insulation are limited by their inability to
Jongwoo Cho   +5 more
doaj   +1 more source

Predicted and in situ performance of a solar air collector incorporating a translucent granular aerogel cover [PDF]

open access: yes, 2012
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 ElsevierThere is an opportunity to improve the efficiency of flat plate solar air collectors by replacing their ...
Dowson, M   +3 more
core   +1 more source

Research Progress on Thin-Walled Sound Insulation Metamaterial Structures

open access: yesAcoustics
Acoustic metamaterials (AMs) composed of periodic artificial structures have extraordinary sound wave manipulation capabilities compared with traditional acoustic materials, and they have attracted widespread research attention.
Yumei Zhang   +7 more
doaj   +1 more source

Sound insulation design of modular construction housing [PDF]

open access: yes, 2007
This paper provides an insight into the acoustic issues of modular housing using the Verbus System of construction. The paper briefly summarises the history of the development of Verbus modular housing and the acoustic design considerations of the ...
Campbell, A.   +2 more
core  

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

Research on sound insulation performance of the M-type folded core sandwich panel

open access: yesHangkong gongcheng jinzhan
As an advanced composite sandwich structure,the configuration of folded core is diverse,and previous research has mostly focused on the V-shaped folded core,while there is still relatively little research on the sound insulation performance of other ...
YE Yurui, WANG Zhijin
doaj   +1 more source

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