Estimation of thermal contact conductance using transient approach with inverse heat conduction problem

Asif, Mohammad; Tariq, Andallib; Singh, Krishna M.

doi:10.1007/s00231-019-02617-x

Cited by 16 publications

(6 citation statements)

References 26 publications

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“…T A=(0,0,0) = T B=(l/2,0,0) = T B =(l/2,w/2,0) = T A =(0,w/2,0) , T D=(0,0,h) = T C=(l/2,0,h) = T C =(l/2,w/2,h) = T D =(0,w/2,h) = T A=(0,0,0) + ∇T z , T 4=(0,0,z) = T 2=(l/2,0,z) = T 10=(l/2,w/2,z) = T 12=(0,w/2,z) , T 1=(0,y,0) = T 5=(x,w/2,0) = T 9=(l/2,y,0) = T 8=(0,y,0) = T A=(0,0,0) , T 3=(0,y,h) = T 6=(x,w/2,h) = T 11=(l/2,y,h) = T 7=(0,y,h) = T A=(0,0,0) + ∇T z . (12) As mentioned above, the temperature boundary conditions used to calculate the thermal conductivities of UC2 have been derived. Before predicting the effective thermal conductivities of 4D C/C composites, the thermal conductivities of carbon fiber rods and carbon fiber bundles need to be calculated first.…”

Section: Boundary Conditions For Calculating λ Zz Of Uc2mentioning

confidence: 99%

“…Mierzwiczak and Koiodziej proposed two analytic-numerical algorithms for determination of the volume fraction of fibers [10] and the thermal contact resistance between the components [11] in order to obtain a given value of the transverse effective thermal conductivity. Mohammad et al [12] employed 1-D inverse heat conduction method for the estimation of thermal contact conductance for metallic contacts. FEM [13][14][15] are also widely used to predict the thermal conductivity of composites.…”

Section: Introductionmentioning

confidence: 99%

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Prediction of Effective Thermal Conductivities of Four-Directional Carbon/Carbon Composites by Unit Cells with Different Sizes

Sun

Shao

2021

Applied Sciences

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Two-unit cells developed to predict the effective thermal conductivities of four-directional carbon/carbon composites with the finite element method are proposed in this paper. The smaller-size unit cell is formulated from the larger-size unit cell by two 180° rotational transformations. The temperature boundary conditions corresponding to the two-unit cells are derived, and the validity is verified by the temperature and heat flux distributions at specific positions of the larger-size unit cell and the smaller-size unit cell. The thermal conductivities of the carbon fiber bundles and carbon fiber rods are measured firstly. Then, combined with the properties of the matrix, the effective thermal conductivities of the four-directional carbon/carbon composites are numerically predicted. The results in transverse direction predicted by the larger-size unit cell and the smaller-size unit cell are both higher than experimental values, which are 5.8 to 6.2% and 7.3 to 8.2%, respectively. In longitudinal direction, the calculated thermal conductivities of the larger-size unit cell and the smaller-size unit cell are 6.8% and 6.2% higher than the experimental results, respectively. In addition, carbon fiber rods with different diameters are set to clarify the influence on the effective thermal conductivities of the four-directional carbon/carbon composites.

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Section: Boundary Conditions For Calculating λ Zz Of Uc2mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Prediction of Effective Thermal Conductivities of Four-Directional Carbon/Carbon Composites by Unit Cells with Different Sizes

Sun

Shao

2021

Applied Sciences

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“…The distance between the closest thermocouple to the contact area and the interface is 3 mm. Asif et al 39 provided the mathematical formulation for the 1D heat conduction problem between two conforming solids. Asif et al 39 considered the transient TCC at the interface as follows,…”

Section: Direct Problemmentioning

confidence: 99%

“…Asif et al 39 provided the mathematical formulation for the 1D heat conduction problem between two conforming solids. Asif et al 39 considered the transient TCC at the interface as follows,…”

Section: Direct Problemmentioning

confidence: 99%

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Steady‐state estimation of thermal contact conductance between sliding disk and stationary cylinder with similar/dissimilar materials under the isothermally heated boundary condition

2021

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An accurate understanding of the thermal contact conductance (TCC) is imperative for the enhancement of the performance and service life of metallic cylindrical joints. However, the evaluation of the TCC between conforming cylindrical solids is quite intricate, as it depends on the temperature, pressure, roughness, relative sliding speed, and thermophysical properties of solids. Instead of generating contacting surfaces stochastically, in this communication, an experimental setup in the lab-scale consisting of a stationary cylinder and a sliding hot disk has been fabricated in which temporal evolutions of the temperature on both solids are recorded by thermocouples. Effects of the disk | 8013

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Optimization of gas carburizing treatment parameters of low carbon steel using Taguchi and grey relational analysis (TA-GRA)

Touati

Ghelani

Zemmouri

et al. 2022

Int J Adv Manuf Technol

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Estimation of thermal contact conductance using transient approach with inverse heat conduction problem

Cited by 16 publications

References 26 publications

Prediction of Effective Thermal Conductivities of Four-Directional Carbon/Carbon Composites by Unit Cells with Different Sizes

Prediction of Effective Thermal Conductivities of Four-Directional Carbon/Carbon Composites by Unit Cells with Different Sizes

Steady‐state estimation of thermal contact conductance between sliding disk and stationary cylinder with similar/dissimilar materials under the isothermally heated boundary condition

Optimization of gas carburizing treatment parameters of low carbon steel using Taguchi and grey relational analysis (TA-GRA)

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