Exact coupled solution for photothermal semiconducting beams using a refined multi-phase-lag theory

AM Zenkour - Optics & Laser Technology, 2020 - Elsevier
The generalized photo-thermoelastic problem of a thick beam subjected to heat flux and
photothermal conditions is studied. A modified multi-phase-lag photo-thermo-elasticity …

Anomalous thermal diffusion in two-layer system: The temperature profile and photoacoustic signal for rear light incidence

A Somer, MN Popovic, GK da Cruz, A Novatski… - International Journal of …, 2022 - Elsevier
We analyze the influence of the generalizations of hyperbolic (Cattaneo) heat equations
(GCE) on temperature profile and photoacoustic signal for the two-layer samples. The GCE …

Estimation of linear expansion coefficient and thermal diffusivity by photoacoustic numerical self-consistent procedure

MV Nesic, MN Popovic, SP Galovic… - Journal of Applied …, 2022 - pubs.aip.org
In this paper, a self-consistent inverse procedure is developed for the estimation of linear
thermal expansion coefficient and thermal diffusivity of solids from transmission …

Optically induced temperature variations in a two-layer volume absorber including thermal memory effects

MN Popovic, DD Markushev, MV Nesic… - Journal of Applied …, 2021 - pubs.aip.org
In this paper, a theoretical model of temperature variations is derived for a two-layer optically
absorbing structure, including thermal memory effects. It is considered that the two-layer …

Theory of photoacoustic effect in media with thermal memory

S Galović, Z Šoškić, M Popović, D Čevizović… - Journal of Applied …, 2014 - pubs.aip.org
This paper presents a model for indirect photoacoustic response that includes thermal
memory effects. At low frequencies, the model reduces to the well-known thermal piston …

Helmholtz resonances in photoacoustic experiment with laser-sintered polyamide including thermal memory of samples

MN Popovic, MV Nesic, S Ciric-Kostic… - International Journal of …, 2016 - Springer
A minimum volume photoacoustic (PA) cell, employed as an acoustic resonator, is
presented. A model of the PA cell transfer function, as a combination of two Helmholtz …

Transmission pulse photoacoustic response of thin semiconductor plate

Z Stanimirović, I Stanimirović, S Galović… - Journal of Applied …, 2023 - pubs.aip.org
In modern high-speed semiconductor electronics, there is a high-rate heating of components
that is affected by very fast relaxation processes. The relaxation times of these processes …

Photoacoustic response of a transmission photoacoustic configuration for two-layer samples with thermal memory

MN Popovic, MV Nesic, M Zivanov… - Optical and Quantum …, 2018 - Springer
In this paper, the models of surface temperature variations have been derived. Based on
these models, photoacoustic (PA) response has been commented for transmission PA setup …

Theoretical predictions for photoacoustic signal: Fractionary thermal diffusion with modulated light absorption source

A Somer, A Novatski, EK Lenzi - The European Physical Journal Plus, 2019 - Springer
We develop a theoretical framework, in the context of the anomalous thermal diffusion, for
the photoacoustic signal. We obtain analytical predictions for the open photoacoustic cell …

Photothermal response for the thermoelastic bending effect considering dissipating effects by means of fractional dual-phase-lag theory

A Somer, A Novatski, MK Lenzi, LR da Silva… - Fractal and …, 2023 - mdpi.com
We analyze an extension of the dual-phase lag model of thermal diffusion theory to
accurately predict the contribution of thermoelastic bending (TE) to the Photoacoustic (PA) …