Results 11 to 20 of about 19,059 (257)

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

open access: yesHigh 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   +2 more
doaj   +1 more source

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

open access: yesEnergies, 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   +3 more
doaj   +1 more source

LIQUID THERMAL DIFFUSION [PDF]

open access: yes, 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.   +2 more
openaire   +2 more sources

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

open access: yesMeikuang 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

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

open access: yesResearch 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

Investigating thermal properties of gas-filled planetary regoliths using a thermal probe [PDF]

open access: yesGeoscientific Instrumentation, Methods and Data Systems, 2012
We introduce a general purpose penetrator, fitted with a heater, for measuring temperature and thermal diffusivity. Due to its simplicity of deployment and operation the penetrator is well suited for remote deployment by spacecraft into a planetary ...
M. D. Paton   +3 more
doaj   +1 more source

An Application of the Finite Element Method for Heat and Mass Transfer of Boundary Layer Flow Using Variable Thermal Conductivity and Mass Diffusivity

open access: yesJournal of Mathematics, 2022
Since mass diffusivity and thermal conductivity cannot be considered constants in practical analysis, an existing heat and mass transfer model of unsteady mixed convection flow over a stretching sheet is modified by incorporating the effects of nonlinear
Muhammad Shoaib Arif   +2 more
doaj   +1 more source

Influence of the Precipitation of Secondary Phase on the Thermal Diffusivity Change of Al-Mg2Si Alloys

open access: yesApplied Sciences, 2018
Al-Si-Mg alloys are investigated to determine the relationship between changes in the thermal diffusivity and precipitation behavior of the Mg2Si phase with various contents of Mg2Si and aging treatment conditions. The samples were solid solution-treated
Yu-Mi Kim   +4 more
doaj   +1 more source

Moisture dependent thermal properties of selected vegetables in Akwa Ibom State, Nigeria

open access: yesResearch in Agricultural Engineering, 2019
The thermal properties of some selected vegetables in Akwa Ibom State, Nigeria were investigated. The specific heat, thermal conductivity and thermal diffusivity for the five selected vegetables (Afang, Nkong, Atama, Editan and Nton) were determined and ...
Olugbenga Abiola Fakayode   +1 more
doaj   +1 more source

Application of the Thermal Diffusivity Standard for the Heat Transfer Parameter Control in Absorbing Materials

open access: yesПриборы и методы измерений, 2023
Metrological support creation and use of heat transfer etalons are important stages in the development of modern materials science. This is especially concerned to the emergence of new materials in the world with previously unattainable thermophysical ...
E. V. Ivakin
doaj   +1 more source

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