A scalable high-porosity wood for sound absorption and thermal insulation

X Zhao, Y Liu, L Zhao, A Yazdkhasti, Y Mao… - Nature …, 2023 - nature.com
The search for more-sustainable materials has motivated research on lightweight, porous
structures for thermal insulation and noise reduction, such as for construction and cold-chain …

Facile Preparation of MnO2-Deposited Wood for High-Efficiency Solar Steam Generation

D Li, D Han, C Guo, C Huang - ACS Applied Energy Materials, 2021 - ACS Publications
Wood, a natural renewable material, has drawn great attention in solar steam generation in
recent years due to its intrinsic properties such as high hydrophilicity and low thermal …

Influence of the grain orientation of wood upon its sound absorption properties

MV Guiman, MD Stanciu, IC Roșca, SV Georgescu… - Materials, 2023 - mdpi.com
The purpose of the study was to analyze the influence of the quality class and the orthotropy
of wood upon the sound absorption coefficient, the reflection and the impedance ratio of two …

Unveiling enhanced sound absorption in coconut wood through hemicellulose and lignin modification

H Kolya, CW Kang - International Journal of Biological Macromolecules, 2024 - Elsevier
Coconut wood (Cocos nucifera L.) is lightweight and has variable quality, making it a
potential candidate for manufacturing sound absorption boards. However, its sound …

Hygrothermal treated paulownia hardwood reveals enhanced sound absorption coefficient: An effective and facile approach

H Kolya, CW Kang - Applied Acoustics, 2021 - Elsevier
Hygrothermal treatment is an important and eco-friendly process for softening and improving
the quality of wood. Paulownia (Paulownia coreana) hardwood species mostly used to …

Rice straw stems reveal higher sound absorption coefficient than crushed rice straw: a sustainable approach to the recycling of rice straw

H Kolya, CW Kang - Clean Technologies and Environmental Policy, 2023 - Springer
Burning straw openly in fields destroys beneficial soil microorganisms, accelerates soil
degradation and generates harmful greenhouse gases. Conversely, finding green materials …

Steam exploded wood cell walls reveals improved gas permeability and sound absorption capability

CW Kang, H Kolya, ES Jang, S Zhu, BS Choi - Applied Acoustics, 2021 - Elsevier
Steam explosion is a useful method to soften and dimensionally stabilizing wood. The
effects of steam explosion at low pressure (6 bar) on wood cell walls are characterized by …

Estimation of impact sound reduction by wood flooring installation in a wooden building in Korea

CW Kang, SS Jang, K Hashitsume, H Kolya - Journal of Building …, 2023 - Elsevier
Multi-family homes have been constructed traditionally using heavy materials like
concrete/steel and bricks. Wooden structures are a promising substitute for typical …

Ammonium persulfate treatment on carbohydrate polymers and lignin of wood improved sound absorption capacity

H Kolya, K Hashitsume, CW Kang - International Journal of Biological …, 2022 - Elsevier
The rational design of sound absorption boards made of wood materials is an exciting area
of research. This article describes a simple and inexpensive method to increase the sound …

Oxidation treatment on wood cell walls affects gas permeability and sound absorption capacity

H Kolya, CW Kang - Carbohydrate Polymers, 2022 - Elsevier
This research aimed to study the efficacy of oxidation in wood cell walls by ammonium
persulfate solution and the performances in sound absorption coefficients and gas …