Results 11 to 20 of about 146,611 (338)

Influence of Density and Water Content on The Thermal Diffusivity of Wood Chips [PDF]

E3S Web of Conferences, 2021
The use of agro-industrial residues are currently experiencing an undeniable revival of interest in developing fully renewable insulation materials, that can be competitive in price and performance, in addition of low embodied energy.
Zine Oussama, El bouardi Abdelmajid, Taoukil Driss, Kadri El-Hadj, El abbassi Ikram   +4 more
doaj   +1 more source

Thermal Properties of Recycle Aggregate Concrete with Different Densities [PDF]

Engineering and Technology Journal, 2015
The present research intended to determine thermal properties (thermalconductivity, thermal diffusivity and specific heat) of concrete manufactured by recycle waste of clay brick and thermostone for using it as aggregate after crushing process.
Amer M. Ibrahim, Shakir A. Al-Mishhadani, Noor Al Huda H. Ahmed   +2 more
doaj   +1 more source

Equivalent thermal diffusivity of natural and recycled aggregate concrete at temperature up to 350 ⁰C

Acta Polytechnica CTU Proceedings, 2022
The paper presents the evolution of equivalent thermal diffusivity with temperature of concretes with natural coarse aggregates and recycled concrete aggregates.
Izabela Hager, Katarzyna Mróz, Tomasz Tracz, Václav Kočí, Lukáš Fiala   +4 more
doaj   +1 more source

Characteristics and Prediction of the Thermal Diffusivity of Sandy Soil

Energies, 2022
Revealing the variation law of thermal diffusivity of sandy soil can provide a theoretical basis for the engineering design and construction in cold and arid regions.
Baoming Dai, Yaxing Zhang, Haifeng Ding, Yunlong Xu, Zhiyun Liu   +4 more
doaj   +1 more source

Effect of radiative heat loss on thermal diffusivity evaluated using normalized logarithmic method in laser flash technique

High Temperature Materials and Processes, 2020
The laser flash technique is a standard method to measure the thermal diffusivity of solid samples especially at high temperatures. To understand the reliability of thermal diffusivity evaluation at high temperature for solid samples with low-thermal ...
Nishi Tsuyoshi, Azuma Naoyoshi, Ohta Hiromichi   +2 more
doaj   +1 more source

LIQUID THERMAL DIFFUSION [PDF]

, 1946
This volume is one set of a series which has been prepared as a record of the research work done under the Manhattan Project and the Atomic Energy Commission.
Abelson, Philip H., Rosen, Nathan, Hoover, John I.   +2 more
openaire   +2 more sources

Measurement Method of Thermal Diffusivity of the Building Wall for Summer and Winter Seasons in Poland

Energies, 2021
The thermal diffusivity of building materials is an extremely important parameter influencing the subsequent thermal comfort of building users. By definition, thermal diffusivity describes how quickly heat from a hot source can flow through a material ...
Mariusz Owczarek, Stefan Owczarek, Adam Baryłka, Andrzej Grzebielec   +3 more
doaj   +1 more source

Accuracy and uncertainty of single-shot, nonresonant laser-induced thermal acoustics [PDF]

, 2000
We study the accuracy and uncertainty of single-shot nonresonant laser-induced thermal acoustics measurements of the speed of sound and the thermal diffusivity in unseeded atmospheric air from electrostrictive gratings as a function of the laser power ...
Cummings, Eric B., Hornung, Hans G., Schlamp, Stefan, Sobota, Thomas H.   +3 more
core   +1 more source

Moisture and thermal diffusivity of lentil seed under convective infrared-microwave: Modelling with and without shrinkage

Research in Agricultural Engineering, 2016
The effect of infrared radiation and microwave radiation on the moisture and thermal diffusivity characteristics of lentil seeds during infrared and microwave drying was investigated.
R.A. Chayjan, S.A. Radmard
doaj   +1 more source

Experimental study on heat transfer characteristics of bituminous coal with different metamorphic degrees

Meikuang Anquan, 2022
To investigate the development tendency of coal fires, the long-flame coal, gas coal, coking coal, and meager-mean coal from Daliuta Coal Mine, Xinglongzhuang Coal Mine, Dingji Coal Mine, and Wangjialing Coal Mine were selected, and the laser-flash ...
LIU Dong
doaj   +1 more source