Thermal accommodation coefficients for laser-induced incandescence sizing of metal nanoparticles in monatomic gases

Daun, Kyle J.; Sipkens, Timothy A.; Titantah, John John; Karttunen, Mikko

doi:10.1007/s00340-013-5508-0

Cited by 36 publications

(30 citation statements)

References 57 publications

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“…It has been observed that an interaction potential based on quantum calculations such as ab-initio computations is the most reliable one for computing different ACs. Such a behavior has been reported by Mane et al [21] and Daun et al [25], where using molecular beam approach, they studied the interaction between monoatomic gases with aluminum and iron surfaces, respectively. At the end, to unravel the importance of including gas-gas interactions on the MD obtained accommodations coefficients, we compare our two parallel plates results with those obtained by the molecular beam approach.…”

Section: Introductionsupporting

confidence: 62%

The Influence of Gas–Wall and Gas–Gas Interactions on the Accommodation Coefficients for Rarefied Gases: A Molecular Dynamics Study

et al. 2020

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Molecular dynamics (MD) simulations are conducted to determine energy and momentum accommodation coefficients at the interface between rarefied gas and solid walls. The MD simulation setup consists of two parallel walls, and of inert gas confined between them. Different mixing rules, as well as existing ab-initio computations combined with interatomic Lennard-Jones potentials were employed in MD simulations to investigate the corresponding effects of gas-surface interaction strength on accommodation coefficients for Argon and Helium gases on a gold surface. Comparing the obtained MD results for accommodation coefficients with empirical and numerical values in the literature revealed that the interaction potential based on ab-initio calculations is the most reliable one for computing accommodation coefficients. Finally, it is shown that gas-gas interactions in the two parallel walls approach led to an enhancement in computed accommodation coefficients compared to the molecular beam approach. The values for the two parallel walls approach are also closer to the experimental values.

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Section: Introductionsupporting

confidence: 62%

The Influence of Gas–Wall and Gas–Gas Interactions on the Accommodation Coefficients for Rarefied Gases: A Molecular Dynamics Study

et al. 2020

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“…In a newer work by Sipkens et al [39], the same technique was applied. As in [43] by Daun et al in [88]. In Figure 2, the measured values of the thermal accommodation coefficients of metal nanoparticles as a function of the molecular weight of bath gas are summarized and presented.…”

Section: The Results Of the Accommodation Coefficient Measurements Ofmentioning

confidence: 90%

A review on determining the refractive index function, thermal accommodation coefficient and evaporation temperature of light-absorbing nanoparticles suspended in the gas phase using the laser-induced incandescence

Gurentsov

2018

Nanotechnology Reviews

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In this review, the possibility of using pulsed, nanosecond laser heating of nanoparticles (NPs) is demonstrated, in order to investigate their thermo-physical properties. This approach is possible because the laser heating produces high NP temperatures that facilitate the observation of their thermal radiation (incandescence). This incandescence depends on the thermo-physical properties of the NPs, such as heat capacity, density, particle size, volume fraction and the refractive index of the particle material, as well as on the heat-mass transfer between the NPs and the surrounding gas media. Thus, the incandescence signal carries information about these properties, which can be extracted by signal analyses. This pulsed laser heating approach is referred to as laser-induced incandescence. Here, we apply this approach to investigate the properties of carbon, metal and carbon-encapsulated Fe NPs. In this review, the recent results of the measurements of the NP refractive index function, thermal energy accommodation coefficient of the NP surface with bath gas molecules and the NP evaporation temperature obtained using laser-induced incandescence are presented and discussed.

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“…As is shown explicitly by Daun et al by comparing the Lorentz–Berthelot (L‐B) rules mixed Lennard–Jones potential with the density functional theory (DFT) fitted potential, the widely used L‐B mixing rule overestimates the potential energy strength, especially for the short‐range repulsion. Therefore, a relatively softer energy combining method involved in the F‐H mixing rules were tested as well.…”

Section: Model and Methodsmentioning

confidence: 99%

Molecular simulation study of aluminum–noble gas interfacial thermal accommodation coefficients

et al. 2017

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Thermal accommodation coefficients (TAC) between aluminum and noble gases were studied with molecular dynamics (MD) simulations. Gases interacting with aluminum substrates were modeled by MD with gas velocities sampled from the Maxwell-Boltzmann distribution to give accumulated TAC results. Different implementations of the equation to calculate the TAC, which differ in the amount of information gleaned from MD and the corresponding simulation results, were carefully discussed. The best formula for MD modeling in finite simulation time was determined. Additionally, the influence of the combining rules applied on aluminum-noble gas interatomic potential was characterized with the wellknown Lennard-Jones 12-6 potential combined with Lorentz-Berthelot and Fender-Halsey mixing rules. The results were compared with experimental values and previous analytical model. TACs simulated with Fender-Halsey rules present excellent agreement with the experimental values. Detailed TAC distributions and accumulated TAC convergence are also included. Figure 7. Accumulated TAC varies with the selected TAC range: (a) He-Al, (b) Ar-Al. [Color figure can be viewed at wileyonlinelibrary.com]

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Thermal accommodation coefficients for laser-induced incandescence sizing of metal nanoparticles in monatomic gases

Cited by 36 publications

References 57 publications

The Influence of Gas–Wall and Gas–Gas Interactions on the Accommodation Coefficients for Rarefied Gases: A Molecular Dynamics Study

The Influence of Gas–Wall and Gas–Gas Interactions on the Accommodation Coefficients for Rarefied Gases: A Molecular Dynamics Study

A review on determining the refractive index function, thermal accommodation coefficient and evaporation temperature of light-absorbing nanoparticles suspended in the gas phase using the laser-induced incandescence

Molecular simulation study of aluminum–noble gas interfacial thermal accommodation coefficients

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