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Keywords: Thermal Conductivity
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Proceedings Papers

Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A013, November 1–5, 2021
Paper No: IMECE2021-67985
... for irradiated fuel is scarce. Since irradiation causes drastic effects in material, a significant change in material properties occurs. Consequently, using representative degradation models becomes essential for accurate performance assessments. This work examines thermal conductivity of U-10Mo, by evaluating...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 2B: Advanced Manufacturing, V02BT02A034, November 1–5, 2021
Paper No: IMECE2021-73730
.... Also, if the scanning speed is increased, the deposition height and width decrease. The hardness of the deposited Yttria-Stabilised Zirconia coating was found to be ~1400 HV. Keywords: Laser Cladding, Thermal Barrier Coating, Yttria-Stabilized Zirconia, Thermal Conductivity. 1. INTRODUCTION Laser...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 2A: Advanced Manufacturing, V02AT02A060, November 1–5, 2021
Paper No: IMECE2021-68913
...Abstract Abstract The underline challenge of low thermal conductivity which is responsible for high centerline temperature in Uranium-dioxide (UO 2 ) nuclear plant fuel type associated with the current generation of commercial reactors remains a huge concern to the nuclear power industry...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A075, November 1–5, 2021
Paper No: IMECE2021-73381
.... For demonstration, material with thermal conductivity over two orders of magnitude (1∼150Wm −1 K −1 ) are measured. This technique enables measuring thermal conductivity independently from volumetric heat capacity, and by using reference sample, the sensitivity to most input parameters is effectively reduced...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A087, November 1–5, 2021
Paper No: IMECE2021-70556
...Abstract Abstract In the present research study, we employ molecular dynamics simulations to investigate strain effect on the thermal conductivity of the polymer composites of carbon nanotubes (CNTs). The results show that the composite exhibits higher thermal conductivity than polymers...
Proceedings Papers

Proc. ASME. IMECE99, Heat Transfer: Volume 4, 103-111, November 14–19, 1999
Paper No: IMECE1999-1109
...HTD-Vol. 364-4, Proceedings of the ASME Heat Transfer Division 1999 Volume 4 ASME 1999 THERMAL CONDUCTIVITY MEASUREMENT OF CVD DIAMOND FILMS USING A MODIFIED THERMAL COMPARATOR METHOD Kumar R. Cheruparambil Bakhtier Farouk Department of Mechanical Engineering and Mechanics Drexel University...
Proceedings Papers

Proc. ASME. IMECE2001, Heat Transfer: Volume 4 — Combustion and Energy Systems, 355-360, November 11–16, 2001
Paper No: IMECE2001/HTD-24276
... SRMs pressed together to extract thermal contact resistance. The results show the feasibility of using to determine the thermal contact resistance of a layered sample from beam deflection data. thermal contact resistance thermal conductivity thin films photothermal deflection spectroscopy...
Proceedings Papers

Proc. ASME. IMECE2001, Heat Transfer: Volume 7 — Heat Transfer in Electronic Equipment, Student Research, and Visualization Techniques, 223-229, November 11–16, 2001
Paper No: IMECE2001/HTD-24397
...Abstract Abstract The cross-plane and in-plane thermal conductivity of four Si/Si 0.7 Ge 0.3 superlattice structures with periods from 45 Å to 300 Å are experimentally investigated using the 3- ω measurement technique. The experiment is conducted over a temperature range from 70 to 340 K...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 11: Heat Transfer and Thermal Engineering, V011T11A007, November 16–19, 2020
Paper No: IMECE2020-24049
... the coefficient of thermal conductivity and specific heat capacity of a PCB which has generally a complex composite layup structure composed of conductive layers, and dielectric layers. In the study, above mentioned properties are obtained performing a simple non- destructive experiment and a numerical analysis...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 11: Heat Transfer and Thermal Engineering, V011T11A049, November 16–19, 2020
Paper No: IMECE2020-24572
...MEASUREMENT OF THERMAL CONDUCTIVITIES OF BI2TE3 AND SB2TE3 NANO- POWDERS AT EXTREME TEMPERATURE AND STRAIN Chenxin Xu, Brandon Wang, Emily Sneddon, Gianna Marcovecchio, Greg Ota, Karina Hunstein, Xian Zhang Department of Mechanical Engineering, Stevens Institute of Technology Hoboken, NJ ABSTRACT...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 2A: Advanced Manufacturing, V02AT02A017, November 16–19, 2020
Paper No: IMECE2020-23102
...Abstract Abstract In the recent years, nanofluids embarked as a new class of fluids with improved thermophysical properties such as thermal conductivity, thermal diffusivity, viscosity, and convective heat transfer coefficients thus promoting better heat transfer. Nanofluids consists of two...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications, V003T03A013, November 16–19, 2020
Paper No: IMECE2020-24597
...: thermoelectric nanomaterials, phononics, phase- transition materials, 2D material, Tin Selenide, Thermopower, Thermal Conductivity, three-phonon method NOMENCLATURE Phonon Mode Surface Roughness Address all correspondence to this author. Thermal Conductivity of Material Correlation Length L Lame...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications, V003T03A026, November 16–19, 2020
Paper No: IMECE2020-23698
... in an improved conductor compared with copper on a weight basis, ultra-conductive copper (UCC) can outperform copper on both volume and weight bases. advanced conductors electrical conductivity thermal conductivity ampacity joule heating carbon nanotube graphene ultra-conductive copper NUMERICAL...
Proceedings Papers

Proc. ASME. IMECE2020, Volume 3: Advanced Materials: Design, Processing, Characterization, and Applications, V003T03A035, November 16–19, 2020
Paper No: IMECE2020-23931
... and can benefit from the use of efficient cooling media. Industrial coolants i.e. water, ethylene glycol (EG), or mineral oils have long been used for heat transport though the low thermal conductivity (TC) of these coolants has made them inefficient options for high-performance operations. Metal...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A080, November 11–14, 2019
Paper No: IMECE2019-11781
...Nanoparticles Shape Effect on Thermal Conductivity of Nanofluids: A Molecular Dynamics Study Md. Rakibul Hasan Roni Dept. of Mechanical Engineering Bangladesh University of Engineering and Technology, Dhaka-1000 Bangladesh Email: mdrakib281403@gmail.com AKM M. Morshed, Ph.D. Dept. of Mechanical...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A082, November 11–14, 2019
Paper No: IMECE2019-11027
... to approximate the thermal conductivities for the aforementioned fuels at several sample lengths and at defect concentrations of 0.1%, 1%, and 5%. The results show that alterations to the lattice structures of these fuels reduce their thermal conductivities significantly. For example, oxygen interstitial defects...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A051, November 11–14, 2019
Paper No: IMECE2019-12005
..., the influence of varying pile sizes and grout backfill material thermal conductivity on the performance of a foundation pile ground heat exchanger is numerically modelled and optimized. Piles with diameters between 0.15 m and 2 m with a depth of 30 m, and backfill material with thermal conductivities of 2.0 W...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 12: Advanced Materials: Design, Processing, Characterization, and Applications, V012T10A045, November 11–14, 2019
Paper No: IMECE2019-10960
...Abstract Abstract Most of the predictive models for thermal conductivity of composites are derived based on the assumption that the filler concentration in the matrix is dilute. This assumption leads to inaccurate predictions when filler concentration is essentially non-dilute and hence...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 12: Advanced Materials: Design, Processing, Characterization, and Applications, V012T10A059, November 11–14, 2019
Paper No: IMECE2019-11556
...Abstract Abstract PolyJet printing technology allows building polymeric materials with complex multi-material structures in the resolution of tens of microns layer thickness providing high control over the entire 3-D part. On the other hand, thermally conductive polymer/CNF nanocomposite...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 12: Advanced Materials: Design, Processing, Characterization, and Applications, V012T10A054, November 11–14, 2019
Paper No: IMECE2019-12053
... the hot-disk transient plane source method, anisotropic thermal conductivity properties were evaluated. An in-plane and through-plane thermal conductivity of 0.87 W/mK and 0.58 W/mK was achieved with the addition of 6 wt% GNP, which is a nearly twofold and over fourfold increase compared to neat PLA...