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. a) The 100 ml + weight's water level; b) the foam glass and the weight in 100 ml of water 2.3.2 Thermal conductivity The thermal conductivity of each specimen was measured at room temperature by using a C-Therm TCi laboratory instrument. Each

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]. J. Chiu P. G. Fair 1979 Determination of thermal conductivity by differential scanning calorimetry Thermochimica Acta

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. , Kalmár F. ( 2013 ), Investigation of thickness and density dependence of thermal conductivity of expanded polystyrene insulation materials . Materials and Structures , 46 , 1101 – 1105 . [4

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Pollack Periodica
Authors:
Jamal Eldin F. M. Ibrahim
,
Mohammed Tihtih
,
Emese Kurovics
,
Ethem İlhan Şahin
,
László A. Gömze
, and
István Kocserha

agent is of great importance to achieve the product with the required technical properties [ 9 ]. The glass-ceramic foams normally possess fascinating characteristics, including high durability, low thermal conductivity, lightweight, high corrosion

Open access
Progress in Agricultural Engineering Sciences
Authors:
Monika Božiková
,
Peter Hlaváč
,
Vlasta Vozárová
,
Zuzana Hlaváčová
,
Ľubomír Kubík
,
Peter Kotoulek
, and
Ján Brindza

): 1267 – 1277 . Karawacki , E. , Suleiman , B. M. , Ul-Hang , I. , Nhi , B. T. ( 1992 ). An extension to the dynamic plane source technique for measuring thermal conductivity

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) + S E where SE denotes the energy equation's source term. Thermal conductivity, denoted by k , is computed as follows: (6) k = α l k l + α v k v The mass-averaged variables, i.e., the energy term ( E ), are given by the equation below. (7) E = α l ρ l

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Pollack Periodica
Authors:
Jamal Eldin F. M. Ibrahim
,
Emese Kurovics
,
Mohammed Tihtih
, and
László A. Gömze

sintering temperature leads to an increase in the thermal conductivity and mechanical strength. The bricks’ thermal conductivity is highly connected to many factors, including raw material composition, firing temperature, and the porosity of the fired bricks

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. [4] Sayadi A. A. , Tapia J. V. , Neitzert T. R. , Clifton G. C. Effects of expanded polystyrene (EPS) particles on fire resistance , thermal conductivity

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that can be generated by viscous dissipation, thermal conductivity or other physical properties [ 3 ]. Whatever the medium in which instability arises, the motion of the fluid particles caused by buoyancy effects is always driven either by the

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, and the obtained data were analysed by statistical method (analysis of variance). 2 Theoretical background Thermal effusivity e depends on the thermal conductivity κ , density ρ , and the volume

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